Cheap flights from Boston to London Heathrow Airport from £145
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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
17 Jan — 24 Jan1
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 January, booked 69 days in advance, depart on a Monday or Wednesday and return on a Wednesday
Cheap flight deals from Boston to Heathrow
Enter your travel dates to find the best prices.
Cheapest flights from Boston to Heathrow
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 18 December 2025.
Wed 31/1219:15BOS - LHR
Nonstop6h 45mBritish Airways
Thu 15/113:30LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 16/12£376
Wed 31/1205:20BOS - LHR
1 stop24h 30mUnited Airlines
Sun 18/113:25LHR - BOS
1 stop25h 07mUnited Airlines
Deal found 17/12£377
Wed 31/1219:44BOS - LHR
1 stop10h 06mLufthansa
Sat 10/116:20LHR - BOS
1 stop12h 29mLufthansa
Deal found 17/12£378
Wed 31/1220:00BOS - LHR
Nonstop6h 50mDelta
Fri 23/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 17/12£379
Wed 31/1205:20BOS - LHR
1 stop24h 30mUnited Airlines
Sat 10/109:00LHR - BOS
2 stops30h 02mUnited Airlines
Deal found 16/12£380
Wed 31/1219:10BOS - LHR
Nonstop6h 40mKLM
Thu 15/106:30LHR - BOS
1 stop12h 00mKLM
Deal found 16/12£381
Wed 31/1219:15BOS - LHR
Nonstop6h 45mFinnair
Mon 19/117:00LHR - BOS
1 stop10h 56mFinnair
Deal found 17/12£381
Wed 31/1219:15BOS - LHR
Nonstop6h 45mIberia
Sun 10/512:20LHR - BOS
1 stop12h 30mIberia
Deal found 18/12£382
Tue 30/1205:45BOS - LHR
1 stop20h 20mDelta
Tue 13/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 17/12£383
Mon 29/1218:40BOS - LHR
1 stop20h 55mAir Canada
Sat 10/109:00LHR - BOS
1 stop13h 50mAir Canada
Deal found 17/12£384
Wed 31/1220:00BOS - LHR
Nonstop6h 50mDelta
Sun 18/109:40LHR - BOS
Nonstop7h 50mDelta
Deal found 17/12£384
Wed 31/1215:40BOS - LHR
1 stop10h 30mUnited Airlines
Fri 9/109:00LHR - BOS
2 stops35h 09mUnited Airlines
Deal found 15/12£385
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 18 December 2025.
Mon 26/119:12BOS - LHR
Nonstop6h 43mJetBlue
Thu 29/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 16/12£377
Wed 31/1223:55BOS - LHR
Nonstop6h 30mDelta
Wed 14/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 17/12£379
Tue 3/217:35BOS - LHR
2 stops45h 20mScandinavian Airlines
Fri 6/218:40LHR - BOS
1 stop26h 10mScandinavian Airlines
Deal found 16/12£380
Sun 18/119:12BOS - LHR
Nonstop6h 43mJetBlue
Sun 25/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£377
Wed 31/1219:10BOS - LHR
Nonstop6h 40mDelta
Fri 16/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 17/12£379
Sat 31/119:12BOS - LHR
Nonstop6h 43mJetBlue
Wed 18/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£377
Tue 30/1205:45BOS - LHR
1 stop20h 20mDelta
Tue 13/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 17/12£383
Tue 3/219:12BOS - LHR
Nonstop6h 43mJetBlue
Thu 19/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£377
Tue 3/319:12BOS - LHR
Nonstop6h 43mJetBlue
Sun 8/309:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 16/12£377
Mon 2/219:12BOS - LHR
Nonstop6h 43mJetBlue
Sun 8/209:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£377
Thu 1/119:10BOS - LHR
Nonstop6h 45mJetBlue
Sat 24/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 16/12£377
Fri 30/119:12BOS - LHR
Nonstop6h 43mJetBlue
Thu 5/209:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 16/12£377
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 18 December 2025.
Wed 31/1219:15BOS - LHR
Nonstop6h 45mBritish Airways
Thu 15/113:30LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 16/12£376
Fri 30/119:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 3/209:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£377
Sat 17/119:12BOS - LHR
Nonstop6h 43mJetBlue
Fri 23/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£378
Thu 19/219:15BOS - LHR
Nonstop6h 45mFinnair
Mon 23/213:30LHR - BOS
Nonstop7h 30mFinnair
Deal found 17/12£379
Thu 8/119:12BOS - LHR
Nonstop6h 43mJetBlue
Thu 15/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 16/12£381
Thu 8/119:15BOS - LHR
Nonstop6h 45mBritish Airways
Mon 12/119:10LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 17/12£381
Wed 14/119:15BOS - LHR
Nonstop6h 45mBritish Airways
Sun 18/113:30LHR - BOS
Nonstop7h 45mBritish Airways
Deal found 15/12£382
Mon 26/119:15BOS - LHR
Nonstop6h 45mFinnair
Thu 29/113:30LHR - BOS
Nonstop7h 45mFinnair
Deal found 15/12£383
Thu 19/320:25BOS - LHR
Nonstop6h 35mFinnair
Mon 23/313:30LHR - BOS
Nonstop7h 25mFinnair
Deal found 15/12£384
Wed 31/1220:00BOS - LHR
Nonstop6h 50mDelta
Wed 14/113:05LHR - BOS
Nonstop7h 55mDelta
Deal found 17/12£384
Wed 31/1219:15BOS - LHR
Nonstop6h 45mBritish Airways
Sun 10/511:00LHR - BOS
Nonstop7h 35mBritish Airways
Deal found 17/12£387
Thu 19/219:15BOS - LHR
Nonstop6h 45mIberia
Mon 23/213:30LHR - BOS
Nonstop7h 35mIberia
Deal found 17/12£388
Last-minute flights from Boston to Heathrow
Discover last-minute flight deals from Boston to Heathrow. Data last updated 18 December 2025 and is based on user searches.
Tue 23/1218:55BOS - LHR
2 stops33h 25mMultiple Airlines
Sun 28/1206:00LHR - BOS
1 stop19h 00mMultiple Airlines
Deal found 16/12£407
Tue 23/1218:55BOS - LHR
2 stops33h 25mMultiple Airlines
Sat 27/1219:25LHR - BOS
1 stop23h 40mMultiple Airlines
Deal found 17/12£409
Tue 23/1218:55BOS - LHR
2 stops33h 25mAir Canada
Sat 27/1209:00LHR - BOS
2 stops29h 32mAir Canada
Deal found 17/12£422
Thu 25/1219:10BOS - LHR
Nonstop6h 40mDelta
Fri 9/109:40LHR - BOS
Nonstop7h 50mDelta
Deal found 17/12£403
Thu 25/1219:10BOS - LHR
Nonstop6h 40mDelta
Tue 13/111:30LHR - BOS
2 stops15h 52mDelta
Deal found 16/12£406
Thu 25/1219:10BOS - LHR
Nonstop6h 40mDelta
Thu 8/109:40LHR - BOS
Nonstop7h 50mDelta
Deal found 16/12£422
Fri 26/1219:10BOS - LHR
Nonstop6h 45mJetBlue
Tue 13/107:25LHR - BOS
1 stop13h 09mJetBlue
Deal found 17/12£430
Fri 26/1219:10BOS - LHR
Nonstop6h 45mJetBlue
Mon 12/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 17/12£440
Fri 26/1219:10BOS - LHR
Nonstop6h 45mJetBlue
Sat 10/108:05LHR - BOS
1 stop15h 40mJetBlue
Deal found 17/12£441
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 18 December 2025.
Wed 14/106:00BOS - LHR
1 stop9h 10mVirgin Atlantic
Deal found 16/12£145
Wed 18/213:55BOS - LHR
1 stop16h 10mAustrian Airlines
Deal found 17/12£147
Fri 16/113:30BOS - LHR
1 stop15h 55mAustrian Airlines
Deal found 17/12£147
Mon 19/114:20BOS - LHR
1 stop11h 20mAustrian Airlines
Deal found 16/12£148
Thu 15/115:40BOS - LHR
2 stops23h 55mAir Canada
Deal found 16/12£149
Sun 18/113:24BOS - LHR
1 stop14h 46mAustrian Airlines
Deal found 16/12£150
Wed 14/110:15BOS - LHR
2 stops29h 20mAir Canada
Deal found 16/12£151
Wed 21/121:50BOS - LHR
1 stop13h 30mSWISS
Deal found 17/12£152
Sun 1/205:30BOS - LHR
2 stops22h 50mAir Canada
Deal found 16/12£153
Wed 11/321:40BOS - LHR
1 stop11h 20mLufthansa
Deal found 16/12£154
Sat 17/112:15BOS - LHR
1 stop27h 30mJetBlue
Deal found 16/12£156
Find 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 18 December 2025.
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 18 December 2025.
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
Mon 26/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Thu 29/1
09:20-12:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 18/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Sun 25/1
09:20-12:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sat 31/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Wed 18/3
09:20-13:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 3/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Thu 19/3
09:20-13:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 3/3
19:12-06:55
Nonstop6h 43m
London Heathrow
Sun 8/3
09:20-13:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 2/2
19:12-06:55
Nonstop6h 43m
London Heathrow
Sun 8/2
09:20-12:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 1/1
19:10-06:55
Nonstop6h 45m
London Heathrow
Sat 24/1
09:20-12:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Fri 30/1
19:12-06:55
Nonstop6h 43m
London Heathrow
Thu 5/2
09:20-12:16
Nonstop7h 56m
£377
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 31/12
23:55-11:25
Nonstop6h 30m
London Heathrow
Wed 14/1
06:20-13:40
1 stop12h 20m
£379
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 31/12
19:10-06:50
Nonstop6h 40m
London Heathrow
Fri 16/1
06:20-13:40
1 stop12h 20m
£379
Flights are sorted by cheapest return flights first.
Deals found on 17/12
Showing 1-10 of 24 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 12 December 2025.
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, January is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £290). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £444). 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 18 December 2025.
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.
How much does it cost for a return flight from Boston to London Heathrow Airport?
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 18 December 2025.
The most flights from BOS to LHR are scheduled on a Wednesday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 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 £353.
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 18 December 2025.
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 31 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 43m. JetBlue provides one of the quickest options available for as low as £377. 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?
Air France, at £231, was found to be the cheapest airline from Boston to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Atlantic and JetBlue. Air France is 51% 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 Air France. According to our data, you can fly for as low as £124. Users have also found prices from £133 and £137 on KLM 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 KLM (90%), Malaysia Airlines (90%) and Air France (89%).
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 £791, our data indicates the cheapest price to be £124. The most popular route (Boston Logan Intl - London Heathrow), is priced around £290.
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, January is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £290). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £444). 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 18 December 2025.
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 18 December 2025.
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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