Cheap flights from Boston to London Heathrow Airport from £153
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
6 Feb — 13 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to London Heathrow are usually found in October or August, booked 69 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Cheap flight deals from Boston to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 January 2026.
Explore the most affordable flight options available from Boston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.
Wed 8/422:45BOS - LHR
1 stop11h 50mTAP AIR PORTUGAL
Sun 12/419:50LHR - BOS
1 stop23h 50mTAP AIR PORTUGAL
Deal found 5/1£368
Wed 11/313:55BOS - LHR
1 stop13h 00mDelta
Fri 20/309:40LHR - BOS
Nonstop7h 45mDelta
Deal found 6/1£369
Fri 13/206:15BOS - LHR
1 stop19h 15mUnited Airlines
Tue 17/213:45LHR - BOS
1 stop11h 35mUnited Airlines
Deal found 6/1£370
Wed 25/319:06BOS - LHR
1 stop10h 34mFinnair
Mon 30/320:10LHR - BOS
Nonstop7h 25mFinnair
Deal found 5/1£370
Fri 20/219:15BOS - LHR
Nonstop6h 35mDelta
Fri 27/206:20LHR - BOS
1 stop12h 20mDelta
Deal found 6/1£371
Mon 19/113:00BOS - LHR
2 stops13h 10mMultiple Airlines
Fri 20/306:00LHR - BOS
1 stop13h 05mMultiple Airlines
Deal found 5/1£372
Mon 4/523:10BOS - LHR
Nonstop6h 30mMultiple Airlines
Thu 14/508:55LHR - BOS
1 stop11h 00mMultiple Airlines
Deal found 6/1£373
Sun 18/119:12BOS - LHR
Nonstop6h 43mJetBlue
Sat 24/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/1£373
Fri 23/119:12BOS - LHR
Nonstop6h 43mJetBlue
Mon 9/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 6/1£374
Tue 13/118:40BOS - LHR
1 stop20h 55mUnited Airlines
Fri 23/113:45LHR - BOS
1 stop11h 15mUnited Airlines
Deal found 5/1£375
Thu 9/415:17BOS - LHR
1 stop10h 08mBritish Airways
Mon 13/421:10LHR - BOS
1 stop22h 30mBritish Airways
Deal found 6/1£376
Thu 7/518:35BOS - LHR
1 stop9h 30mAer Lingus
Thu 14/509:50LHR - BOS
1 stop10h 50mAer Lingus
Deal found 6/1£376
Best flights from Boston to Heathrow
Discover carefully curated flight deals from Boston to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 January 2026.
Wed 29/421:30BOS - LHR
Nonstop6h 45mKLM
Wed 6/506:30LHR - BOS
1 stop11h 40mKLM
Deal found 5/1£373
Sun 1/219:15BOS - LHR
Nonstop6h 35mDelta
Sun 8/206:30LHR - BOS
1 stop11h 55mDelta
Deal found 6/1£373
Mon 9/219:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 17/209:20LHR - BOS
Nonstop8h 00mJetBlue
Deal found 5/1£374
Wed 21/119:12BOS - LHR
Nonstop6h 43mJetBlue
Thu 29/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 4/1£374
Mon 9/320:15BOS - LHR
Nonstop6h 40mJetBlue
Fri 13/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 4/1£374
Sun 1/219:12BOS - LHR
Nonstop6h 43mJetBlue
Fri 6/209:20LHR - BOS
Nonstop8h 00mJetBlue
Deal found 5/1£374
Mon 16/219:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 24/209:20LHR - BOS
Nonstop7h 59mJetBlue
Deal found 6/1£374
Tue 10/219:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 17/209:20LHR - BOS
Nonstop8h 00mJetBlue
Deal found 5/1£374
Tue 27/119:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 3/209:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/1£374
Thu 19/219:12BOS - LHR
Nonstop6h 43mJetBlue
Fri 27/209:20LHR - BOS
Nonstop7h 59mJetBlue
Deal found 4/1£374
Mon 2/319:12BOS - LHR
Nonstop6h 43mJetBlue
Mon 9/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 6/1£374
Direct flights from Boston to Heathrow
Explore direct flight options from Boston to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 January 2026.
Fri 23/119:15BOS - LHR
Nonstop6h 45mBritish Airways
Tue 3/219:10LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 5/1£368
Tue 5/521:50BOS - LHR
Nonstop6h 45mBritish Airways
Tue 12/520:10LHR - BOS
Nonstop7h 25mBritish Airways
Deal found 6/1£369
Thu 5/219:15BOS - LHR
Nonstop6h 45mBritish Airways
Wed 11/219:10LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 6/1£370
Sun 18/119:12BOS - LHR
Nonstop6h 43mJetBlue
Sat 24/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 4/1£370
Sun 18/120:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Sat 24/113:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 5/1£373
Fri 23/119:12BOS - LHR
Nonstop6h 43mJetBlue
Mon 9/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 6/1£374
Fri 16/120:00BOS - LHR
Nonstop6h 50mKLM
Tue 20/109:40LHR - BOS
Nonstop7h 50mKLM
Deal found 6/1£376
Wed 6/523:10BOS - LHR
Nonstop6h 30mDelta
Fri 15/518:55LHR - BOS
Nonstop7h 25mDelta
Deal found 6/1£377
Thu 26/321:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Sun 5/418:55LHR - BOS
Nonstop7h 25mVirgin Atlantic
Deal found 6/1£378
Last-minute flights from Boston to Heathrow
Discover last-minute flight deals from Boston to Heathrow. Data last updated 7 January 2026 and is based on user searches.
Sun 11/115:40BOS - LHR
2 stops12h 40mMultiple Airlines
Tue 20/106:50LHR - BOS
2 stops13h 02mMultiple Airlines
Deal found 5/1£370
Sun 11/106:00BOS - LHR
1 stop19h 20mVirgin Atlantic
Sun 18/108:55LHR - BOS
1 stop11h 58mVirgin Atlantic
Deal found 6/1£370
Sun 11/122:10BOS - LHR
1 stop9h 50mMultiple Airlines
Sun 18/106:50LHR - BOS
2 stops13h 02mMultiple Airlines
Deal found 6/1£371
Sun 11/119:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 20/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 4/1£374
Sun 11/122:10BOS - LHR
1 stop9h 50mMultiple Airlines
Wed 14/111:10LHR - BOS
1 stop12h 25mMultiple Airlines
Deal found 4/1£376
Tue 13/118:40BOS - LHR
1 stop20h 55mUnited Airlines
Wed 28/112:05LHR - BOS
1 stop13h 15mUnited Airlines
Deal found 5/1£375
Wed 14/119:15BOS - LHR
Nonstop6h 45mBritish Airways
Sun 1/211:40LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 6/1£368
Wed 14/119:15BOS - LHR
Nonstop6h 45mBritish Airways
Sat 24/110:00LHR - BOS
1 stop11h 50mBritish Airways
Deal found 6/1£369
Fri 16/118:40BOS - LHR
1 stop20h 55mAir Canada
Mon 19/113:25LHR - BOS
1 stop25h 07mAir Canada
Deal found 6/1£373
Fri 16/120:00BOS - LHR
Nonstop6h 50mKLM
Tue 20/109:40LHR - BOS
Nonstop7h 50mKLM
Deal found 6/1£376
One-way flights from Boston to Heathrow
Search for one-way flight options from Boston to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 January 2026.
Sun 11/119:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 5/1£153
Tue 3/313:55BOS - LHR
1 stop26h 25mAustrian Airlines
Deal found 4/1£154
Thu 5/213:30BOS - LHR
2 stops37h 50mAustrian Airlines
Deal found 6/1£155
Fri 6/318:40BOS - LHR
1 stop20h 55mMultiple Airlines
Deal found 6/1£155
Sat 2/520:05BOS - LHR
1 stop14h 35mLufthansa
Deal found 5/1£156
Sun 8/215:35BOS - LHR
1 stop10h 35mMultiple Airlines
Deal found 4/1£157
Tue 3/213:31BOS - LHR
1 stop14h 39mAustrian Airlines
Deal found 4/1£158
Mon 2/210:45BOS - LHR
2 stops39h 25mAir Canada
Deal found 5/1£160
Sat 4/420:05BOS - LHR
1 stop16h 00mLufthansa
Deal found 5/1£160
Tue 13/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 6/1£161
Cheapflights Fare Finder
Customise your flight search to find flights from Boston to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 January 2026.
Use the filters below to find and compare flights from Boston to London Heathrow Airport that are best for you.
Fly from
Boston
Fly to
Heathrow
Route
Depart
Return
Price
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 29/4
21:30-09:15
Nonstop6h 45m
London Heathrow
Wed 6/5
06:30-13:10
1 stop11h 40m
£373
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 1/2
19:15-06:50
Nonstop6h 35m
London Heathrow
Sun 8/2
06:30-13:25
1 stop11h 55m
£373
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 9/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Tue 17/2
09:20-12:20
Nonstop8h 00m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 21/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Thu 29/1
09:20-12:16
Nonstop7h 56m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 9/3
20:15-06:55
Nonstop6h 40m
London Heathrow
Fri 13/3
09:20-13:16
Nonstop7h 56m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 1/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Fri 6/2
09:20-12:20
Nonstop8h 00m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 16/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Tue 24/2
09:20-12:19
Nonstop7h 59m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 10/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Tue 17/2
09:20-12:20
Nonstop8h 00m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 27/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Tue 3/2
09:20-12:16
Nonstop7h 56m
£374
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 19/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Fri 27/2
09:20-12:19
Nonstop7h 59m
£374
Flights are sorted by cheapest return flights first.
Deals found on 4/1
Showing 1-10 of 23 results
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Best time to book a flight from Boston to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to London Heathrow Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Boston to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Boston to Heathrow. Price data was last updated on 2 January 2026.
The price you pay for your flight from Boston to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £322). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to LHR?
Find hourly flight availability from Boston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 January 2026.
When flying from Boston to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to London Heathrow Airport
Explore weekly flight availability from Boston to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 7 January 2026.
The most flights from BOS to LHR are scheduled on a Monday (32 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).
How often are flights from Boston to London delayed?
About 11% of weekly flights between Boston and London have experienced delays in the past year, with the average delay time being 142 minutes.
What is the most punctual flight time for Boston to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to London flights?
Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 8% of flights being delayed.
What’s the top stopover airport for flights from Boston to London Heathrow Airport?
Share of one-stop return flights from Boston to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 62% of one-stop itineraries from Boston to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Boston to London Heathrow Airport?
Average return fare for one-stop flights from Boston to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Shannon (SNN) is the most affordable one-stop option, with an average return flight price of £349.
What’s the fastest stopover option from Boston to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Boston to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Shannon (SNN) have the shortest average one-way travel time for one-stop routes: 8h 50m.
Which airport typically offers the quickest stopover for flights from Boston to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Boston to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 15m.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 7 January 2026.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andAir France
from Boston to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Not literally sitting in the very last row in the middle
Related info for your journey
Find useful and relevant information for your journey from Boston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Boston to London Heathrow?
Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to London Heathrow from Boston. Booking flights from Logan Intl (BOS) to London Heathrow should be relatively easy as there are 30 daily outbound flights to London Heathrow from 9 different airlines.
How long is the flight from Boston to London Heathrow Airport?
A quick flight from Boston to London Heathrow Airport can take about 6h 35m. KLM provides one of the quickest options available for as low as £373. The distance between Boston and London Heathrow Airport is about 3254 mi. Most flights are nonstop.
What are the cheapest airlines flying from Boston to London Heathrow Airport round-trip?
JetBlue, at £352, was found to be the cheapest airline from Boston to London Heathrow Airport.Alternate airlines flying return to your destination include Finnair and KLM. JetBlue is 25% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Boston to London Heathrow Airport one-way?
For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £95. Users have also found prices from £122 and £136 on Air France and Virgin Atlantic, respectively.
What are the most reliable airlines from Boston to London Heathrow Airport?
The top 3 most reliable airlines when flying from Boston to London Heathrow Airport are Malaysia Airlines (91%), KLM (84%) and Air France (84%).
What are the cheapest flights from Boston to London Heathrow Airport?
Looking for the cheapest flight from Boston to London Heathrow Airport? While on average our users pay £443, our data indicates the cheapest price to be £129. The most popular route (Boston Logan Intl - London Heathrow), is priced around £270.
Can I find deals for business class flights from Boston to Heathrow?
Yes. Cheapflights offers flight deals from Boston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £322). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 January 2026.
Discover the top 9 airlines that operate flights from Boston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 January 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Heathrow?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Boston to Heathrow?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Boston.
Can Cheapflights find flights from Boston to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Boston to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights from Boston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.
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