BOS - LHR

£249 Find Cheap Flights from Boston to London Heathrow Airport

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Heathrow departing on 14/11. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to London.
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Flights Deals

Cheap Flights from Boston to Heathrow (BOS-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Boston to Heathrow 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 Boston to Heathrow

Fri, 14 Nov - Sun, 16 Nov
Scandinavian Airlines Logo
17:35 - 18:30BOS-LHR
19h 55m2 stops
Scandinavian Airlines Logo
13:55 - 15:50LHR-BOS
30h 55m2 stops
£249Scandinavian Airlines
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Scandinavian Airlines Logo
17:35 - 16:00BOS-LHR
17h 25m1 stop
Scandinavian Airlines Logo
13:55 - 15:50LHR-BOS
30h 55m2 stops
£251Scandinavian Airlines
Find Deal
Tue, 2 Sep - Wed, 3 Sep
Iberia Logo
20:10 - 07:50BOS-LHR
6h 40mdirect
Iberia Logo
20:50 - 21:15LHR-BOS
29h 25m1 stop
£330Iberia
Find Deal
Wed, 3 Sep - Thu, 4 Sep
Iberia Logo
20:10 - 07:50BOS-LHR
6h 40mdirect
Iberia Logo
15:50 - 15:00LHR-BOS
28h 10m1 stop
£333Iberia
Find Deal
Mon, 1 Sep - Thu, 9 Oct
Virgin Atlantic Logo
20:15 - 08:05BOS-LHR
6h 50mdirect
Virgin Atlantic Logo
09:00 - 20:20LHR-BOS
16h 20m1 stop
£358Virgin Atlantic
Find Deal
Mon, 1 Sep - Thu, 9 Oct
Icelandair Logo
12:35 - 20:20BOS-LHR
26h 45m1 stop
Icelandair Logo
13:05 - 18:50LHR-BOS
10h 45m1 stop
£361Icelandair
Find Deal
Tue, 7 Oct - Wed, 15 Oct
British Airways Logo
19:40 - 07:20BOS-LHR
6h 40mdirect
British Airways Logo
14:40 - 17:10LHR-BOS
7h 30mdirect
£365British Airways
Find Deal
Wed, 13 Aug - Thu, 21 Aug
British Airways Logo
20:10 - 07:50BOS-LHR
6h 40mdirect
British Airways Logo
20:10 - 22:40LHR-BOS
7h 30mdirect
£366British Airways
Find Deal
Fri, 17 Oct - Wed, 22 Oct
Icelandair Logo
20:50 - 11:55BOS-LHR
10h 05m1 stop
Icelandair Logo
21:25 - 11:35LHR-BOS
19h 10m1 stop
£367Icelandair
Find Deal
Sun, 20 Jul - Tue, 29 Jul
Virgin Atlantic Logo
20:15 - 08:05BOS-LHR
6h 50mdirect
Virgin Atlantic Logo
12:45 - 15:40LHR-BOS
7h 55mdirect
£386Virgin Atlantic
Find Deal
Expert advice

Expert advice for your flight from Boston to Heathrow

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
British Airways

BA's premium economy offers 18 cm extra legroom, ideal for long-haul comfort.


BA's Executive Club offers Avios rewards, ideal for frequent transatlantic travellers.

Virgin Atlantic

Virgin's Upper Class offers fully flat beds and exclusive lounge access for a luxurious experience.


Virgin's Economy Delight offers extra legroom and priority boarding, enhancing your travel experience.

Iberia

Iberia's Business class offers all-aisle access and quality Spanish cuisine on long-haul flights.


Iberia's Premium Economy offers wider seats and adjustable headrests for enhanced comfort.

Read more about Iberiaby Marisa Garcia
KLM

KLM's Premium Comfort offers 20 cm recline and SkyPriority, perfect for long-haul flights.


KLM's World Business Class offers lay-flat seats and direct aisle access for ultimate comfort.

Read more about KLMby Blane Bachelor
Air France

Enjoy complimentary champagne in all cabins, enhancing your long-haul flight experience.


Air France's Premium cabin offers SkyPriority benefits, enhancing your long-haul journey with comfort and convenience.

Finnair

Finnair's A350 offers lower cabin altitude and higher humidity, enhancing passenger comfort.


Finnair's Economy Comfort offers extra legroom, enhancing comfort on long-haul flights.

Read more about Finnairby Gabriel Leigh
Airports
BOS

Download the FlyLogan app for gate info, flight status, and order ahead options at BOS restaurants.

Read more about BOSby Blane Bachelor
LHR

Take the Heathrow Express for a quick 15-minute ride to London Paddington. Buy tickets in advance for the best rate.

Read more about LHRby Kirstie Pickering
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

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.

Read more
Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff

Laura Ratliff

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Read more
Blane Bachelor

Blane Bachelor

Expert on KLM, Air France and BOS

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

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.

Read more
Useful Info

KAYAK's insights & trends for Boston to Heathrow flights

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

What’s the cheapest day of the week to fly from Boston to London Heathrow Airport?

The average price of all round-trip flights from Boston to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Boston to London Heathrow Airport, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from London Heathrow Airport, Wednesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Boston to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to London Heathrow Airport, 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 Boston to London Heathrow Airport is January, where tickets cost £414 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £621 and £568 respectively.

Can I save money by flying with a stopover from Boston to London Heathrow Airport?

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 £453 on average.

How far in advance should I book a flight from Boston to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to London Heathrow Airport, 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 Boston to London Heathrow Airport, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.


Good to know - Cheap tickets from Boston to London Heathrow Airport

Low seasonJanuary
High seasonApril
Cheapest flight£112
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.
Flight from Boston to London Heathrow Airport

When to book flights from Boston to Heathrow

Are your dates flexible? Find out the best times to travel from Boston to Heathrow 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 Boston to London Heathrow Airport flights

  • What is the cheapest flight from Boston to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Boston to London Heathrow Airport was £152 for a one-way ticket and £338 for a return.

  • Which airports will I be using when flying from Boston to London Heathrow Airport?

    Boston and London Heathrow Airport are both served by 1 main airport. You will leave Boston from Boston Logan Intl and will be arriving at London Heathrow.

  • Which airlines offer Wi-Fi service onboard planes from Boston to London Heathrow Airport?

    All the following airlines offer inflight Wi-Fi service on the Boston to London Heathrow Airport flight route: JetBlue, American Airlines, Delta, Virgin Atlantic, Air France, KLM, and Iberia.

  • Which aircraft models fly most regularly from Boston to London Heathrow Airport?

    The Boeing 777-200/200ER is the aircraft model that flies most regularly on the Boston to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Boston to London Heathrow Airport?

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

  • On which days can I fly direct from Boston to London Heathrow Airport?

    There are direct flights from Boston to London Heathrow Airport on a daily basis.

  • Which is the best airline for flights from Boston to London, KLM or Finnair?

    The two airlines most popular with KAYAK users for flights from Boston to London are KLM and Finnair. With an average price for the route of £550 and an overall rating of 7.8, KLM is the most popular choice. Finnair is also a great choice for the route, with an average price of £566 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Boston to London Heathrow Airport?

    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 Boston to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Boston 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 Boston to London Heathrow Airport?

    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 Heathrow Airport with an airline and back to Boston with another airline.

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

    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 Heathrow Airport from Boston 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 Boston to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Boston? 25% of our users found flights on this route for £225 or less one-way and £423 or less round-trip.

Prefer to fly direct from Boston to London Heathrow Airport?

Find which airlines fly direct from Boston Logan Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to London Heathrow

Monday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Tuesday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Wednesday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Thursday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Friday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Saturday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Sunday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

See more direct flights

Direct returns

London Heathrow to Boston Logan Intl

Monday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Tuesday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Wednesday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Thursday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Friday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Saturday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

Sunday

Aer Lingus, Air France, American Airlines, +11 more

Aer Lingus, Air France, +12 more

See more direct flights
See more direct flights

Top 5 airlines serving from Boston to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Boston 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 Boston to Heathrow? 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
KLMOverall score based on 1358 reviews
7.2Food
7.8Boarding
7.7Comfort
7.1Entertainment
8.4Crew
Airline reviews

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

8.0 ExcellentAnonymous, Apr 2025AMS - MAN
Read more KLM reviews

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

This portion of the flight was through Indigo. A local carrier. So all economy seating. No real service some refreshments for purchase standard economy stuff.

You should not have to pay for WiFi in business class

Transfer at Amsterdam airport is very convenient and the airport is easy to navigate. Boarding was also quick and easy. Cabin crew were excellent and the meals were good, although lacking in options.

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

I flew premium economy and this was a good option. Although the seats didn’t recline much, I was able to get some sleep with my head propped against the window. The food was good and the entertainment was wonderful The staff were very attentive and professional

They only had vegetarian food left on the flight which I wasn’t happy about. I didn’t get any food to eat at all.

Great boarding, great short flight but no entertainment whatsoever and no wifi. Prepare to disembark by a staircase.

My experience was good overall, the quality of the food really decreased! There used to be a choice between meat and fish now it’s between chicken and pasta! In the choices of entertainment meditation has been added which is very good. Soft chair workout to improve blood circulation and avoid phlebitis should be added.

The only reason the overall rating wasn't "excellent" was due to problems in claiming luggage. The bags are delivered to the main area (Cinta 35) for domestic passengers, but to a DIFFERENT ROOM for international arrivees. After waiting 30 minutes, someone (who didn't appear to be from Air France or the airport) told us to go to another area. There we found our bags, which appeared to have been awaiting us for a while. We had to go through a bag check before leaving the airport. If we had been alerted to this possibility, or better yet, been to go directly to Cinta 34, we could have eliminated quite a bit of waiting.

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 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 .

Super friendly and helpful staff, from check-in desk to cabin crew.

Following a paid seat upgrade for enhanced comfort, I encountered an unacceptable odor in my assigned area. It took three hours for the crew to relocate me, and the replacement seat was unacceptably close to the lavatory, offering no improvement.

Good overall. Cannot fault the airlines. I have had better entertainment systems before ie ice in Emirates but it was not too bad. Food was decent and staff were friendly.

I did not fly by vergin atlantic from bangalore to vasco da gama

Your flight delayed at Heathrow n I almost missed my mother funeral.you idiots. I had to waste 10 hours in different airports. Thank your stars I'm not suing you.

Miami airport needs more thorough signage. It was a long walk from my transport point to the check in desk,

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.

From boarding, to attention in flight, I couldn’t fault it.

Not having to check carry on bags when plane wasn’t full. (The told us it was)

I was in business class for the 8 hour flight where: 1. The WiFi did not work 2. The entertainment system did not work 3. We were told there were no hot drinks for the entire flight

I had an issue with the name on my ticket vs my passport name. I was very upset that the Iberia ticket clerk had no authorization to help me and I was left to fix it. It took 19 calls of persons promising to accomplish and not doing anything before I reached someone who helped me in 10 minutes. Two of them even hung up on me. I missed my original flight because of this. Terrible customer service.

The flight was delayed twice. When the crew explained about the debris causing flat tires, I was glad they took the time to change all four.

My carry-on bag was taken from me when I boarded. It was checked through to London at no charge. It took a big of shuffling, but I was glad not to need to mind it until baggage claim.

Flight boarded three hours late for no reason other than someone made a huge error in crew scheduling. We missed our connecting flight in Madrid and got zero help from American or Iberian airlines on rebooking. We had to pay for a car to take us to the Madrid train station and pay for train tickets to Santiago. We never used our booked flight to Santiago. American claims I can submit the expenses but they are not obligated to cover them. Very frustrating.

Flight delayed Service could be better Iberia staff are not really friendly

They cancelled the flight)(they said bad weather but many other flights took off) and made us wait 5 hours in line to figure out what to do. We ended up making a new flight the next day on another airlines...I hope they honor giving us our money back

Awful. The flight wasn't actually operated by Iberia, but by American Airlines. I was unable to get my boarding pass and as a result missed my connecting flight.

The payment system was not working so was unable to connect wifi the entire flight

everything to do with KAYAK was terrible. Your customer facing departments are utterly useless, timewasting and unhelpful.

I ordered short ribs for main course. It tasted sweet, really sweet. Horrible.

The screen didn’t work and I didn’t get the seat upgrade I paid $300 for. They were no help with that,

Paid $180 for seat selection, and selection essnt honored. Have to call for a refund.

My flights were great and the crew on them was lovely especially the London to Barcelona flight as Al & AJ were so amazingly nice. I wish they would be my crew always as they have the best customer service. Sadly both flights were delayed the first one from Vegas was because they clearly loaded the cargo wrong the plane was off balance making us 2 hours late. This made me miss my connection and sadly it was challenging rebooking while I was on the flight. I will never use Kayak again as there was no customer service number or live chat and you rebooked me on a flight 2 days later. I had my mom call BA to change it which she did after spending an hour on hold. This should not be so difficult. My second flight was an hour delayed due to not being able to disconnect the bridge from the plane but I did finally make it home.

The delay was not communicated via text and the person who helped with check in also didn’t inform me about the delay. I ended up missing my connection and it was a waste of 5 hours. The crew didn’t mention there would be someone at the gate informing of if I would be rebooked and there was no signage. Overall a very poor experience. The British Airways app was also very buggy, and didn’t work. I will avoid flying with British Airways when possible.

A little better than outward journey but mild chaos at the boarding gate because some people with boarding cards from connecting flights had cards which weren't recognised

The BA business class cabin is excellent,very comfortable for sleeping but the service could be improved.

Surly rude flight attendants. I ordered the chicken and was given a vegetarian meal with no explanation and no opportunity to change it. I tried to order another beverage and was told by the young humorless flight attendant to “wait”. And she never came back. The seats were very uncomfortable and cramped. The last time I flew British Airways was many years ago but I remember it was amazing and the crew were very charming. This was a terrible disappointment given the cost of the flight.

Everything you need to know for your flight from Boston to Heathrow

Information on your arrival and departure airports

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