YUL - LON

£255 Find Cheap Flights from Montreal to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Montreal to London departing on 24/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to London, as well as popular online travel agencies
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£434
Typical prices: £571-£474
Air Transat
Thu 4/6Wed 17/6
YUL - LGW • Direct
Cheapest one-way flight
£255
Air Transat
Wed 24/6
YUL - LGW • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Air Transat includes a meal in Eco Budget to Europe.
The Heathrow Express takes 15 minutes to Paddington.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from £434 (return)
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Air Canada, British Airways, and Air Transat. Average duration is 6h 45m
Direct flights
Direct flights
+1
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Direct flights
Direct flights
+1
Top routes
Cheapest • 35% average savings
Most popular
Insights
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Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
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Insights
When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 9% compared to booking last minute.
Insights
Insights
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Insights
When to travel
Cheapest • 46% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
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Flight Deals
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Flight Deals

Cheap Flights from Montreal to London (YUL-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Montreal to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Montreal to London

Thu, 4 Jun - Wed, 17 Jun
Air Transat Logo
22:05 - 09:50
YUL
-
LGW
6h 45mdirect
Air Transat Logo
11:35 - 14:15
LGW
-
YUL
7h 40mdirect
£434Air Transat
Tue, 2 Jun - Thu, 11 Jun
Multiple Airlines Logo
06:45 - 20:30
YUL
-
STN
32h 45m
2 stops
Multiple Airlines Logo
17:55 - 21:00
STN
-
YUL
32h 05m
2 stops
£435Multiple Airlines
Mon, 1 Jun - Sun, 14 Jun
Air Transat Logo
16:15 - 10:45
YUL
-
LGW
13h 30m
1 stop
Air Transat Logo
11:35 - 14:15
LGW
-
YUL
7h 40mdirect
£435Air Transat
Tue, 19 May - Thu, 28 May
Air Transat Logo
20:35 - 10:45
YUL
-
LGW
9h 10m
1 stop
Air Transat Logo
12:40 - 19:32
LGW
-
YUL
11h 52m
1 stop
£436Air Transat
Sat, 6 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:45 - 20:50
YUL
-
STN
22h 05m
2 stops
Multiple Airlines Logo
06:30 - 00:25
STN
-
YUL
22h 55m
3 stops
£437Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Porter Airlines Logo
15:10 - 07:55
YUL
-
LGW
11h 45m
1 stop
Porter Airlines Logo
12:40 - 19:32
LGW
-
YUL
11h 52m
1 stop
£439Porter Airlines
Thu, 21 May - Wed, 27 May
Air Canada Logo
13:10 - 06:30
YUL
-
LHR
12h 20m
1 stop
Air Canada Logo
06:00 - 13:50
LHR
-
YUL
12h 50m
1 stop
£456Air Canada
Thu, 21 May - Fri, 29 May
Air Canada Logo
13:10 - 06:30
YUL
-
LHR
12h 20m
1 stop
Air Canada Logo
08:40 - 15:00
LHR
-
YUL
11h 20m
1 stop
£457Air Canada
Tue, 12 May - Wed, 20 May
Lufthansa Logo
20:40 - 12:50
YUL
-
LHR
11h 10m
1 stop
Lufthansa Logo
07:25 - 18:50
LHR
-
YUL
16h 25m
1 stop
£459Lufthansa
Mon, 18 May - Thu, 28 May
Lufthansa Logo
20:40 - 15:40
YUL
-
LHR
14h 00m
1 stop
Lufthansa Logo
07:25 - 18:50
LHR
-
YUL
16h 25m
1 stop
£463Lufthansa
Booking Insights

KAYAK’s insights & trends for Montreal to London flights

Get data-powered insights and trends into flights from Montreal to London to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London departing in June.

What is the cheapest Montreal Pierre Elliott Trudeau Intl Airport to London flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Montreal Pierre Elliott Trudeau Intl Airport to London costs £228 on the route between Montreal Pierre Elliott Trudeau Intl Airport (YUL) and London Gatwick Airport (LGW). Over the past month, this route was, on average, 35% cheaper than other Montreal Pierre Elliott Trudeau Intl Airport-London routes. The most popular route is between Montreal Pierre Elliott Trudeau Intl Airport (YUL) and London Heathrow Airport (LHR).

What’s the cheapest day of the week to fly from Montreal to London?

The average price of all round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to London on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Montreal to London. For your return ticket, we recommend flying on a Friday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to London is December, where tickets cost £255 (return) on average. On the other hand, the most expensive months are October and April, where the average cost of round-trip tickets is £773 and £685 respectively.

Can I save money by flying with a stopover from Montreal Pierre Elliott Trudeau Intl Airport to London?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £559 on average.

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to London, you should book around 3 weeks before departure, which saves you about 9% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Expert advice

Expert advice for your flight from Montreal to London

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has travelled to more than 50 countries across six continents.

Stefanie Waldek

Stefanie Waldek

Expert on Air Canada

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Air Transat

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Brandon Schultz

Brandon Schultz

Expert on YUL

Brandon travels every week and makes friends with stray cats wherever he goes. Dogs, too... he once brought one home to the US from the Amalfi Coast. He’s written 6 books, visited 6 continents (still waiting on Antarctica), and would eat ice cream 6 times a day if he could. He lives in Brooklyn, New York, with his partner and three cats.

Kirstie Pickering

Kirstie Pickering

Expert on LHR and LGW

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Good to know - Cheap tickets from Montreal to London

Low seasonFebruary
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.

When to book flights from Montreal to London

Are your dates flexible? Find out the best times to travel from Montreal to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Montreal to London flights

  • What dining options are available at Montreal Airport?

    There are more than 30 restaurants and cafés at Montreal-Trudeau Airport, so travelers don’t have to fly on an empty stomach. Dine at European-style bistros, sports bars or fast food outlets, or enjoy a cocktail or microbrew at one of the bars. There are also family-friendly options such as pizza and burger joints as well as healthy options for juices and gourmet salads.

  • Is there a concierge service at Montreal Airport?

    SAVM offers meet and greet services for passengers travelling through Montreal-Trudeau Airport. Passengers will be accompanied throughout their stay at the airport, and offered personalized assistance with check-in, luggage, security and boarding. Private transfers and access to VIP lounges can also be arranged.

  • What facilities are available at Heathrow Airport for families travelling with children?

    Parents travelling with children can take advantage of family-friendly amenities at Heathrow Airport, including a number of Stay & Play areas in the terminal. These areas have interactive slides and activity sheets to keep little ones entertained. A number of restaurants also offer kids menus and high chairs.

  • What is the fastest way to get to central London from Heathrow Airport?

    The Heathrow Express runs from the airport to central London in about 15 minutes. Trains depart from Terminals 2 and 3 and tickets can be purchased online, at the station or on the train. Amenities include air-conditioning, ample luggage space, free Wi-Fi and on-board TV.

  • What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    In the last 3 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London was £255 for a one-way ticket and £434 for a return.

  • Which airports will I be using when flying from Montreal to London?

    When flying out of Montreal you will be using Montreal Pierre Elliott Trudeau Intl. You will be landing at one of these airports: London Heathrow or London Stansted.

  • Which airlines offer Wi-Fi service onboard planes from Montreal to London?

    Air Canada, and Lufthansa offer inflight Wi-Fi service on the Montreal to London flight route.

  • Which aircraft models fly most regularly from Montreal to London?

    The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the Montreal to London flight route.

  • Which airline alliances offer flights from Montreal to London?

    oneworld, and Star Alliance are the airline alliances operating flights between Montreal and London, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Montreal to London?

    There are direct flights from Montreal to London on a daily basis.

  • Which is the best airline for flights from Montreal to London, Air Transat or Air Canada?

    The two airlines most popular with KAYAK users for flights from Montreal to London are Air Transat and Air Canada. With an average price for the route of £554 and an overall rating of 7.8, Air Transat is the most popular choice. Air Canada is also a great choice for the route, with an average price of £556 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Montreal to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Montreal is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montreal to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Montreal with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Montreal Pierre Elliott Trudeau Intl Airport to London

  • Looking for a cheap flight from London to Montreal? 25% of our users found flights on this route for £394 or less one-way and £515 or less round-trip.
  • Flights from Montreal to London depart from Montreal Pierre Elliott Trudeau International Airport and have an average flight time of 7 hours. Flights can be booked through a number of airlines including SWISS, Delta, Air Transat, Air Canada and Icelandair. Direct flights from Montreal to London are generally more expensive.
  • London is served by a number of airports so it is important to check where you’re staying in the UK before you book your flight. Heathrow Airport is located about 30 kilometers west of London and has the most connections to the city. Gatwick is located 45 kilometers to the south and Stanstead is 60 kilometers north-east of central London.
  • If you are looking for something to read on your flight from Montreal-Trudeau Airport, the lirevoustransporte.com platform has a collection of electronic books for passengers to download to a phone or device. Travelers have access to the first chapter and can borrow the full book from the BAnQ portal or purchase it in print or digital format.
  • International travelers can purchase a range of duty-free items at Montreal-Trudeau Airport including perfume, cosmetics, confectionary and liquor. If you’re running short on time, browse through the online catalogue, pre-order your items and simply pick up your purchases when you get to the airport. Duty-free shops are located near Gates 52 and 75.
  • If you are arriving on an early flight and want to go sightseeing in London without bringing your luggage, Transferbags can deliver your bags from Heathrow Airport directly to your hotel, accommodation or office. Your bags will be ready for collection at your chosen destination as soon as you arrive. This service can be booked online or at Heathrow Airport.

Prefer to fly direct from Montreal to London?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Montreal Pierre Elliott Trudeau Intl to London.
Find which airlines fly direct from Montreal Pierre Elliott Trudeau Intl Airport to London, which days they fly and book direct flights.

Direct departures

Montreal Pierre Elliott Trudeau Intl to London

Monday

Air Canada,British Airways,Air Transat

Air Canada,British Airways, +1 more

Tuesday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Wednesday

Air Canada,British Airways,Air Transat

Air Canada,British Airways, +1 more

Thursday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Friday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Saturday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Sunday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

See more direct flights

Direct returns

London to Montreal Pierre Elliott Trudeau Intl

Monday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Tuesday

Air Canada,British Airways,Air Transat

Air Canada,British Airways, +1 more

Wednesday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Thursday

Air Canada,British Airways,Air Transat

Air Canada,British Airways, +1 more

Friday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Saturday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

Sunday

Air Canada,Air Transat,British Airways

Air Canada,Air Transat, +1 more

See more direct flights

Reviews of the top 3 airlines flying from Montreal to London

 
See real verified KAYAK customer reviews for airlines flying from Montreal to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Montreal to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
Air TransatOverall score based on 542 reviews
6.8Food
7.3Comfort
7.1Entertainment
7.9Boarding
8.5Crew
Airline reviews

I didn't have any problems during my flight. My main issue is with airlines in general, they keep offering less and less every year, AirTransat is no different.

10.0 ExcellentAnonymous, Apr 2026
YUL - POP
Read more Air Transat reviews

I didn't have any problems during my flight. My main issue is with airlines in general, they keep offering less and less every year, AirTransat is no different.

Crew was good, helpful. Flight ran on time.would have liked to take airtransat home to MTL. But the price back from San Jose Costa Rica was MUCH more expensive than the flight from MTL to San Jose c.r.

i was not able to take my flight because the information i needed to book my dog correctly was not provided

We are a senior couple (70+) and chose emergency exit seats so we would have 2 seats together and neither of us had to sit in a middle seat. My husband is type 1 diabetic on an insulin pump and I monitor his blood sugar levels. I am 5'9" and 250 lbs and found the seats extremely uncomfortable. Toward the end of the flight I developed diarrhea which lasted a full 24 hours.

They never sent me a confirmation to say my flight time had changed so I cut my holiday short by 6 hours Had to pay over 50 American for my luggage to be checked on the way home and that’s more that it cost on the way there. Arbitrarily charging more for the same thing when the passenger has no options is shady The cabin was an icebox going there and back, if all the passengers have their gloves on and their hoods up that should be an obvious sign to turn up the heat

I was very nice to arrive earlier than scheduled. Very much appreciated. No issues with flight. All was good.

The on-board crew were professional and friendly and made the trip feel like we were taken care of well. The gate for the flight departure changed three times...not great but not terrible. Considering it was the day of the New Jalisco Cartel mayhem, we can't really complain.

We were treated well by the staff at the airport and on board aircraft. Delay was uncontrollable due to the weather. Had to wait for another gate as we were late landing in Fort Lauderdale.

I was supose to have a carrey on incluided for each passenger and they made me paid 75$ each at the gate.

Great crew and entertaining Captain. Seats were not what we had expected based on my booking but things worked out in the end. Of course, like all airlines these days not enough leg or elbow room.

This was my second leg of my trip and was delayed so was worried about my connection in Montreal. Still hungry so on boarding I asked a flight attendant if I could use my $14.00 voucher on the plane for food as I was starving. She said she would check and let me know but she never came back. So no food again as none was offered. Had to get my bags and check them again and that was ok but don’t understand why I had to go through security and because of them almost missed my flight. No food offered nor possibility to purchase food so still hungry and just watched a movie and hoped I could get food when I landed. Was able to use the $14.00 voucher to buy something and had my family bring food as I was now starving. I’ve been travelling on AC for years and this was my worst experience ever. After our flight got cancelled in SXM and was told the staff there didn’t work for AC so couldn’t do much to help us was not a good experience

Staff looked unprofessional. Sloppy uniforms and hardly a smile to be found

After 3 hours of delays, they ended up cancelling my flight. And although I could purchase one-way tickets to get to my destination, they would not offer me these flights as compensation for the cancelled flight, and I didn't end up making it home until 13 hours after I was originally supposed to arrive. It made for an extremely strenuous end to an otherwise good trip.

Be careful about the bad policy and when purchasing seats

It was great to have a vegetarian meal option, but departure was delayed because they had oversold the flight. Air Canada, you’re in charge of how many tickets are sold: don’t oversell!

Very disappointed with premier lounge. Food selection very poor, both coffee machines out of order. For the price you charge for an upgrade, the seats don’t fully recline, movie selection is old. Not very good value. Asian airlines are light years ahead at a more affordable price.

Flight late with no explanation why so late boarding. More than made up the time in flight. Woman in seat behind me would not allow me to recline my seat so could not sleep. Slow to clean up after meal so has to leave my tray down. Flight attendants average at best. Premium economy experience was poor. It was a special trip for us, a 70th birthday. We could only book seats that were apart and no efforts could be made to get us together. Just poor all around

Business Class was great with two exceptions: they should board Business Class Only first, then loyalty, then handicapped and families with young children then by zone. With all the loyalty and credit card holders and families with kids, dozens boarded before us and we were in row 3. My only other compliant with Air Canada is they don’t serve drinks and snacks in business class until at a cruising altitude. Transat and Emirates serve prior to takeoff which is especially nice during boarding of big planes and de-icing.

The only good part was what we paid for, we travelled premium economy, good comfort travelling with a baby. Flight with AirCanada was again delayed for more than 4 hours, service level is horrible and they don't care. They deliver the bare minimum for a world class price. If you can avoid canadian air lines, do so, oligopoly does not help them to strive for any service level.

We left over 2 hours late and they didn't even give us a complimentary snack, when getting to the desk I asked if I could be put in a row with only 1 other person or an empt y one I was told the flight was full when the last two rows were empty. All around over it

Boarding was orderly, pilot and flight attendants were nice, entertainment options were good, and low sodium meals were quite tasty.

The whole experience was excellent, O can say out from Miami the best airline to travel with for any European destination. Since the ground staff to the inflight crew attention was great, service on board 10 of 10. Finally the 380 is very confortable and nice to travel.

All crew except 1 were excellent. When I asked assistance with business class seat conversion to a bed (not being familiar as never used before but have numerous times with other airlines) crew member helped very reluctantly. I should have told her that business class seat conversion is totally different in each airline such as Delta, New Zealand Air and United. Sorry it was my 1st time with America Airlines. Now I know, I won't bother asking assistance in future.

I had a mixed experience on this flight. The plane itself was comfortable, the flight was smooth, and the entertainment selection was excellent with plenty of movie options. However, the service fell short. I had an entire row to myself and fell asleep with a blanket over me. A flight attendant, Karleigh, woke me up to see if I had my seatbelt on, which felt unnecessary given the situation. Meanwhile, trash sat uncollected on the tray at the end of the row and was never picked up. During the second meal service, no one woke me up, and when I used the call button multiple times, there was no response. I eventually had to walk to the back to ask for assistance. There was also a long stretch without snacks, and when I requested something savory, I was dropped off sweet options, which wasn’t ideal. Overall, while the flight itself was comfortable, the lack of attentiveness and responsiveness from the crew made the experience disappointing.

The seats in Premier Economy were very comfortable. The food was better than average. The way British Airways handled our seating was atrocious.

The flight attendant does not pay attention to my "call" button more than 3 times when I need a drink.

Flight delayed, connection was not at gate listed and so missed, staff were rude at Heathrow, phone tree stupid and difficult, took me 21 actual hours to reach my destination. Almost lost my hotel reservation after walking in a strange city alone after midnight because they would not put me up in a hotel at sfo or heathrow. I will never fly BA again and will tell all people and Instagram followers never to fly BA.

British Airays fails to enforce its own guidelines regarding carry on size limits. There were MANY passengers with full suitcases stuffing them into the overhead compartments leaving no space for others, like me, who adhere to the posted sizes. I had to put my carryone bag into my foot space, in additon to my carryon personal item, leaving me cramped for a seven hour flight. I was in physical pain, and I attribute this entirely to staff unwilling to enforce limits. The infotainment system was horrible. the touchscreens did dot work correctly, and there was no information on system operation. I am 77 years old, and a lifelong movie-goer. I recognized ONE movie (and not much better TV shows). It seems that BA saves royalty money by limiting its move and TV selection to absolute rubbish. The FlightAware program is the worst informationsystm I have ever seen, it is completely worthless. I pay attention to the safety briefings...in the event of an emergency, one is supposed to assume the "brace" position, except the seats are so close together, front to back, that it is not possible to assume the position without striking the seat in front of you. at age 77, and a lifelong traveler, this is the worst flight experience I have ever had, and I will never fly British Airways again

Overall ok. Best part has always been the sundae dessert.

I’ve never been on a trans-Atlantic (or Pacific) flight where the seats don’t recline—not even a little. I asked my seat mate when BA starting doing this and he said “Oh, a few years ago.” I couldn’t sleep, with my head falling forward waking me continuously, and came off the plane incredibly stiff. I booked a Premium Economy seat to get a more comfortable seat, which was worse than most basic Economy seats I’ve ever booked.

Everything you need to know for your flight from Montreal to London

Information on your arrival and departure airports