LON - YOW

£242 Find Cheap Flights from London to Ottawa

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Ottawa departing on 30/4. 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.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ottawa.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ottawa.
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Cheap Flight Deals from London to Ottawa (LON-YOW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Ottawa 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.

Recent return flight deals from London to Ottawa

Recommended return flight deals departing in the coming months from the most popular airlines that fly from London to Ottawa.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
14:05 - 09:45LHR-YOW
24h 40m2 stops
07:15 - 21:00YOW-LHR
8h 45m1 stop
£367Air Canada
Find Deal
Sat, 26 Apr - Mon, 28 Apr
15:50 - 13:24LHR-YOW
26h 34m1 stop
13:00 - 10:00YOW-LHR
16h 00m1 stop
£372Air Canada
Find Deal
Sat, 26 Apr - Mon, 28 Apr
15:50 - 19:19LHR-YOW
32h 29m1 stop
18:55 - 06:30YOW-LHR
6h 35mdirect
£378Lufthansa
Find Deal
Sat, 26 Apr - Mon, 28 Apr
09:00 - 15:05LHR-YOW
11h 05m1 stop
17:15 - 16:35YOW-LHR
18h 20m1 stop
£428Virgin Atlantic
Find Deal
Sun, 22 Jun - Sun, 6 Jul
15:25 - 00:22LHR-YOW
13h 57m2 stops
17:15 - 10:30YOW-LHR
12h 15m1 stop
£435Air France
Find Deal
Tue, 1 Jul - Fri, 18 Jul
11:30 - 15:05LHR-YOW
32h 35m1 stop
17:15 - 10:30YOW-LHR
12h 15m1 stop
£437Air France
Find Deal
Tue, 1 Jul - Fri, 18 Jul
13:30 - 00:19LHR-YOW
15h 49m2 stops
18:40 - 06:30YOW-LHR
30h 50m1 stop
£443Lufthansa
Find Deal
Tue, 6 May - Tue, 13 May
12:40 - 00:21LGW-YOW
16h 41m1 stop
11:20 - 07:55YOW-LGW
15h 35m1 stop
£469Air Transat
Find Deal
Thu, 10 Jul - Thu, 24 Jul
09:40 - 21:01LGW-YOW
16h 21m1 stop
11:20 - 07:55YOW-LGW
15h 35m1 stop
£469Air Transat
Find Deal
Sun, 15 Jun - Thu, 19 Jun
06:15 - 15:05LHR-YOW
13h 50m1 stop
17:15 - 13:45YOW-LHR
15h 30m1 stop
£679Virgin Atlantic
Find Deal
Fri, 18 Jul - Sat, 26 Jul

Flights from London to Ottawa - Travel Insights & Trends

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

Planning a trip from London to Ottawa? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What is the cheapest London to Ottawa flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from London to Ottawa.
Our data shows that the cheapest route for a return flight from London to Ottawa cost £432 and was between London Heathrow Airport (LHR) and Ottawa (YOW). On average, the best prices are found if you fly this route. The average price for a return flight for this route is £432.

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

The average price of all round-trip flights from London to Ottawa clicked on KAYAK for each day over the last 12 months.
For London to Ottawa, Monday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Ottawa back to London, the best deals are generally found on Wednesday, with Sunday being the most expensive.

What is the cheapest month to fly from London to Ottawa?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Ottawa, 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 London to Ottawa is January, where tickets cost £483 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £758 and £738 respectively.

Can I save money by flying with a stopover from London to Ottawa?

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 £582 on average.

How far in advance should I book a flight from London to Ottawa?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Ottawa, 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 London to Ottawa, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Good to know - Cheap tickets from London to Ottawa

Low season

November

High season

July

Cheapest flight

£242
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (26% more expensive on average)
Flight from London Stansted Airport to Ottawa

When to book flights from London to Ottawa

Are your dates flexible? Find out the best times to travel from London to Ottawa 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 flights from London to Ottawa

  • Can I take a direct flight between London airports and Ottawa Airport?

    Unfortunately you cannot fly directly between these two cities, but there are plenty of indirect routes you can take that only require one stop. You can fly, for example, with WestJet from London Gatwick Airport, which requires a transfer at Toronto Pearson International first. Alternatively, you could fly from Heathrow Airport with Air Canada, which also has a change in Toronto.

  • Can I fast track through security at London airports?

    If you are going to be in a rush at the airport, or should you be travelling at peak times, there is always the option to fast track through security. You need to book at least 24h in advance, and it will cost about £4 at Luton and around £5 at Stansted and Gatwick. For flights from Heathrow, it costs approximately £12.50 to fast track through security.

  • Can I change my currency at London airports?

    Once you have arrived at London airports for your flight, you can use currency exchange bureaus to change your money to Canadian Dollars. If you fly with Air Canada from Heathrow, you will most likely depart from Terminal 2, so you can access the Travelex bureaus and ATMs. From other airports with indirect flights, you can use an International Currency Exchange store or ATM. These are situated prominently in the terminals, so they will be easy to find.

  • How do I get to the city centre from Ottawa Airport?

    It’s easy to get from the airport to the centre as there are many methods of transport to choose from. You can get the Ottawa Airport Bus route 97 from the front of the building. This takes about 30min and costs approx. C$3.30 (£1.90). Alternatively, you could get a taxi from the taxi rank outside the front of the terminal building which takes about 15min and costs around C$29 (£16.75).

  • Are there luggage storage facilities available at Ottawa Airport?

    The Baggage Storage Service at Ottawa Airport (YOW) is located on Level One at the south end of the passenger terminal building. You will be charged a fee of around C$5 (£2.97) per bag per day, along with an additional C$8 (£4.76) charge for overnight storage.

  • Which flights from London to Ottawa help me reduce my CO2 emissions?

    To reduce your carbon emissions when flying from London to Ottawa, you can find more environmentally friendly flights with Air Canada and Lufthansa who both operate flights via Montreal Pierre Elliott Trudeau Airport (YUL). These flights can cut your CO2 emissions by 45%.

  • Which are the cheapest car parks at London Heathrow Airport?

    If you’re looking for the cheapest car parks at London Heathrow Airport, the Long Stay Car Park is your best option. For a 7-day period, charges come to around £115.00 when pre-booked online. This also includes a free shuttle service to the terminal building that takes around 10-20 minutes. When booking, make sure to select your terminal of departure.

  • Do I need a visa to travel from London to Ottawa?

    British nationals need to apply for a visa in order to enter Canada for visits of six months or less. However, you will obtain an eTA (Electronic Travel Authorisation), which can be done online and only takes a few minutes, costing around C$7 (£4.15).

  • How many flights are there between London and Ottawa per day?

    There is a maximum of 1 direct flight a day that takes off from London and lands in Ottawa, with an average flight time of 7h 30m. The most common departure time is 12:00 and most flights take off in the morning. Each week, there are 4 flights.

  • What is the cheapest flight from London to Ottawa?

    In the last 3 days, the lowest price for a flight from London to Ottawa was £313 for a one-way ticket and £476 for a return.

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

    There are 5 airports in London (London City, London Gatwick, London Heathrow, London Luton, and London Stansted.) and only 1 airport in Ottawa (Ottawa). The cheapest flights are generally found on the London Gatwick Airport to Ottawa flight route.

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

    Only KLM offers inflight Wi-Fi service on the London to Ottawa flight route.

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

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the London to Ottawa flight route.

  • Which airline alliances offer flights from London to Ottawa?

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

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

    You can catch a direct flight from London to Ottawa on on Monday, Wednesday, Thursday, and Saturday.

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

    The two airlines most popular with KAYAK users for flights from London to Ottawa are Air Transat and KLM. With an average price for the route of £520 and an overall rating of 7.8, Air Transat is the most popular choice. KLM is also a great choice for the route, with an average price of £479 and an overall rating of 7.8.

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

    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 London to Ottawa.

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

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

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

    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 Ottawa with an airline and back to London with another airline.

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

    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 Ottawa from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from London to Ottawa

  • Looking for a cheap flight from London to Ottawa? 25% of our users found flights on this route for £778 or less one-way and £480 or less round-trip.
  • There are two airports in London that serve the route to Ottawa International Airport (YOW) with one stop. With London Heathrow (LHR) being located so centrally, it makes it very convenient for those travelling on business. Whereas Gatwick is great for those coming from the south of London.
  • Save time on the day of your flight by staying in an airport hotel the night before. If you're flying with Air Canada from Heathrow, then you can opt for a hotel such as Aerotel, which is only a short walk from Terminal 2. At Gatwick you could stay at Hilton, which is also close to the terminal building.
  • From Ottawa Airport, it is easy to continue your journey to nearby cities, such as Cornwall in about 70min and Kingston in about 2h, which makes it a great airport if you are planning to continue your journey to other Canadian cities.
  • Before your flight to Ottawa Airport, you can relax in a peaceful lounge, such as the Aspire Lounges in Heathrow Airport, Gatwick Airport and Luton Airport (LTN), which provide complimentary snacks and Wi-Fi from about £25 per person. The Escape lounge in Stansted (STN) offers similar benefits for about £20. However, there are no lounges at London city Airport.
  • You can call up 48h in advance of your flight to get mobility assistance at London Airports. They will either greet you on arrival or you can locate the assistance reception desks in the check-in zones of the departures hall.
  • If you're interested in purchasing Duty-Free items before your flight but have limited time, consider exploring the convenient online 'Click & Collect' service. This service allows you to buy products in advance, prior to arriving at the airport, and collect them before your flight.
  • If you want to upgrade your flight from London to Ottawa to Business Class or an equivalent, but don’t want to pay too much, then check out TAP AIR Portugal. They provide the Executive Class service at a very reasonable price from London Heathrow Airport (LHR) to Ottawa Airport (YOW) via stopovers in Lisbon and Toronto.
See more tips

Prefer to fly direct from London to Ottawa?

Find which airlines fly direct from London to Ottawa Airport, which days they fly and book direct flights.

Direct departures

London to Ottawa

Monday

Air Canada

Air Canada

Wednesday

Air Canada

Air Canada

Thursday

Air Canada

Air Canada

Saturday

Air Canada

Air Canada

See more direct flights

Direct returns

Ottawa to London

Monday

Air Canada

Air Canada

Wednesday

Air Canada

Air Canada

Thursday

Air Canada

Air Canada

Saturday

Air Canada

Air Canada

See more direct flights
See more direct flights

Top 5 airlines serving from London to Ottawa

 
See real verified KAYAK customer reviews for airlines flying from London to Ottawa. 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 London to Ottawa? 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 379 reviews
7.3Comfort
7.9Boarding
6.7Food
8.5Crew
7.1Entertainment
Airline reviews

Over the wing seat at emergency exit only downside people using lavatory have no respect and wait in the space

10.0 ExcellentSophia, Feb 2025YUL - FDF
Read more Air Transat reviews

Over the wing seat at emergency exit only downside people using lavatory have no respect and wait in the space

Flight delayed any hour and couple of big gate changes

The pilot came out and chatted with the passengers. He explained why there was a slight delay. The crew was excellent. Very helpful. I had to buy meals for my whole family and they were in different seats, so the crew had to deal with that. They were very pleasant and accommodating and did a great job!

We were unable to land in Liberia. It was not the airline’s fault, but we had to be diverted to SJO.

We had things stolen from our luggage, we also were refused an upgrade on a flight that was not full.

When we left, it wasn't Great . People were drinking heavily, very disrespectful Extremely loud, the entire trip. I think the crew members, should have get their attention. Coming back was great.

I sat in the club. The seeds were fantastic. The meal was great and Entertainment was good. The crew was fantastic. I recommend it to everybody.

The food was small portions and not fresh. I was seated at the back of the plane so by the time the cart approached me most of the food options were sold out. The cabin crew was fantastic however.

Great flight and crew. Food isn't free and neither are headphones...

We were in economy class but paid for option Plus which offer you an extra snack after take off, free earplugs & blanket. The crew were very attentive. The comfort however wasn’t great, hard to be comfortable in such restraint place. Wasn’t able to sleep through out the 7hrs flight and was exhausted upon arrival.

Much better than the major US Carriers especially in Biz Class.

I wish that the meal included a vegetable or even a salad instead of couscous! Why serve chicken with rice AND couscous? Service was good overall though a bit lacking in friendliness. Usually on air france I've been offered a glass of champagne before dinner, wine with dinner, and a digestif after dinner. We were only offered wine this time!

It was not Air France but Air Europa. But confusion over our checked luggage. Whether it was checked all the way to Tenerife or not. It was not. Had to line up again in Departures. At least our Sky Priority was honoured. Flight was fine.

My wife and I had a row to ourselves after moving seats. There were no TVs and you had to buy food. So we did nothing but had a quick nap. Flight was fine.

The male attended that served are section was a snob. He did not answer my call light when my wine spilled all over the floor. I did not push it again or drew his attention to it. He just ignored the call light when he came to give us our meal, serving the people behind us first. I did not push it again or drew his attention to it to see his reaction. It was so obvious that he was ignoring us. We were in premium economy!

The plane was old Only 3 bathrooms available for economy The entertainment was old and the selection was poor

Georgian Airways check in staff initially denied us, because they thought passengers required transit visas to transfer on connecting flights. This required 70 minutes for them to call multiple people to confirm how transfers worked. They did not apologize once accepting our check in. Onboard, the four hour flight gave stale bread with spam slices as lunch. The only included drinks were still or sparkling water.

I did not get my baggage at my final destination..poor coordination with connecting flights with partner airlines (Saudi airways). Also the food was very mediocre.

Not great , just ok . I expected better food but it did not deliver . Flight staff was ok . The guy at the drop off bag counter was the only saving grace in this whole trip . He was pleasant, friendly and very helpful . You couldn’t ask for a better assistance from him .

There was 2 hours delay before boarding and 2 hours delay after boarding while waiting in the plane

Flight took off an hour late. Had to stay on the tarmac for half an hour after landing. Both annoying.

We had an unfortunate experience where we had to leave the aircraft after boarding, shortly before the scheduled takeoff time, and re-board. The reason given was that a passenger felt ill and had to cancel their plans and therefor their luggage had to be found and removed.

We’ve used VA before many times the experience is always been good they have lovely staff and the food is always delicious.

Everything about the flight was amazing from check in to boarding entertainment was okay food we didn’t try.

Seats were old and dirty, for a long haul flight you expect to be able to recline and for the av to work properly. Choice for vegans was fruit….

The Virgin Atlantic crew was very good. However, the equipment was OK, the seats were OK, but her bags did not arrive with me. Two bags showed up a day later and I’m still waiting for my third back.

The crew was very good. However, the equipment was a bit dated. Some of the electronics were not working. To top it, three bags didn’t arrive with me. Two of them were delivered a day later. I’m still waiting for the third bag, I was so looking forward to this virgin Atlantic flight, but, I am disappointed.

My only complaint is that the pocket in front of me was ripped and my things, like iPad and airline magazines, kept slipping to the floor.

Flight delayed yet again. Crew apathetic and unhelpful re affect on connecting flight.

I think Virgin is one of the best flying experiences, especially from/to the UK. The staff are so helpful and fun, the food is good, seats comfortable, goof entertainment and great value. Check in and boarding is pretty pain free. I also find that the other passengers are generally so kind and considerate than when I've flown other airlines.

Service is pretty good. Sandwiches have to be purchased but I’ve bought my own food. Seat was comfortable and various movies to chose from.

They announced before boarding that the flight was full and there would be limited space in the overhead bins and you could check in for free. We did and after we boarded the plane found it was not full and there was plenty of space in the overhead bins. I’m not sure why they made this announcement.

Front desk attendant wouldn’t check me in even though there was not a single person in line. Made me use the kiosk. Kiosk had an error (of course) no baggage can be checked at this kiosk please see attendant. Then I had to wait in line for the same front desk attendant waiting for 5 people who ended up coming in front of me while I tried to use a broken and useless kiosk. Finally after checked in, wait 30 min to board all the way to zone 6 and they would deny me even after all the zone 1-5 people already went. Just literally making us wait to board so they stand there doing nothing for 5 minutes. Just ridiculous and awful customer service. Fly with literally anyone else

Boarded smoothly, took off on time. Entertainment screens were reliable and the movie library is abundant. Food better than wtst was served on the first leg of the journey by another airline.

Air Canada first class was a very good experience, it was my first time flying first class . A friend of mine that was with me in the flight paid for my tickets otherwise I would not , if I could afford I would fly first class ! 💪💪💪 I flew many times in air Canada economy class and is also good , I travel to Argentina couple of times a year . Thank you !

All good, but plane outdated, seat uncomfortable, food that we had was 4 out of 10. Crew was great!

We have to wait long time at airport. Plane left from 8 pm to 1:35 am.Long time waiting

My oroginal flight was delayed several times. Finally the flight was cancelled. I had to spend additional money and book another flight with Porter at another airport Fort Lauderdale International Airport or I would miss the event I had in Toronto. I did not board the rescheduled flight which was after my event.

There was nothing wrong with the handling of the flight MUC - YYZ - the crew, from the cockpit down, just did there job, nothing more! What a sharp contrast to the crew, from the gate to the flight itself on the flight YYZ-SJO- you could tell, they liked their job and it showed - nothing extraordinary - the just created a pleasant atmosphere

Check in was incredibly fast, fukuoka was comfortable and crew very pleasant. The only negative was that the boarding was somewhat chaotic, but it so often is these days as airlines tend to board by how much you pay and not by what an orderly process of filling the plane would be.

When we went to the lounge they told us to go into the main lounge and not the full business class section, later they told me that Lufthansa wont pay the full fee to alloq the business class passengers entry to the nicer sectikn where all the other airlines nusiness class passengers go into. Very poor arrangement.

Food was good! Crew very polite however when asked to adjust temperature did not help! It was freezing! Seats uncomfortable 😣

Not what I expected for the last leg of a $5100 business class experience. Boarding was a nightmare. The flight was delayed and I had to keep checking my email to ensure I was at the right gate since the airline or the terminal had no clue until 15 mins prior to boarding. Food was gross, limited drink options.

Flights scheduled with impossible connections - Lufthansa apparently believes it takes 7mins to change terminals, go through passport control, re-clear security and walk 1.8kms…..and everything will work perfectly (which it never does at Frankfurt). No staff on hand to assist with transfers on delayed flights. No transfer guidance provided by app. No compensation offered for 6hr delay to connecting flight.

The flight was ok, the flight attendants were lovely, the movies were good, the food was ok, and I am just sad because my luggage didn't arrive with me in Iasi because the flight from Vancouver to Frankfurt was delayed and then I barely made the rest of my flights. Also, there was no real support once I got off each of the flights. There was nobody to ask about gate or where to be and for example when I got off in Vienna to catch the flight to Iasi there was no screen where I could read the gate and time of departure of the plane. I was going crazy trying to find the plane to Iasi and I barely made it. When my luggage finally arrived home it was broken. The handle was completely broken and that was not so good. I am in a visit here, in Romania, and I will have to buy a new luggage.

Crew were friendly and very helpful Plane was clean and the legroom is standard. Overall a good flight, no complaints.

The connection to LYON was very tight. The flight was nearly finished boarding when we got to the gate

The flight crew, the on-plane service, and the food were fine. The seats lacked cushioning and were uncomfortable compared to other planes from recent flights. The plane was initially delayed one hour and that expanded to 1.5 hours. When we boarded, there was insufficient room for our carry-on bags, which added more time to disembarking from the plane. It appeared the Air Canada staff or the Toronto Airport staff were less than competent to handle whatever the issue was that caused the delays, which was never communicated.

I did not like that they failed to put my luggage on my connecting flight to Athens. I was promised it would be located and delivered within 2 days but later told there was no information on its location. This caused me to have unplanned for expenses because I then had to purchase new clothing to wear on my vacation. I did not receive my luggage until my return flight home. I will not be traveling with them again.

Absolutely the most awful experience in the history of service from gate agents to baggage handlers. Never will i use kayak or Lufthansa again. Ever.

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

Other airlines flying from London to Ottawa

Flights from the other most popular airlines that fly from London to Ottawa according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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