Cheap flights from Boston to London Heathrow Airport from £158
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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
6 Dec — 13 Dec1
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 January or October, booked 80 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Find 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 6 November 2025.
Wed 19/1115:40BOS - LHR
1 stop10h 30mAir Canada
Tue 25/1109:00LHR - BOS
2 stops17h 27mAir Canada
Deal found 4/11£380
Fri 28/1122:10BOS - LHR
1 stop9h 50mSWISS
Wed 10/1213:45LHR - BOS
1 stop11h 35mSWISS
Deal found 3/11£381
Mon 10/1121:50BOS - LHR
1 stop10h 10mSWISS
Sun 16/1113:45LHR - BOS
1 stop11h 35mSWISS
Deal found 4/11£381
Sun 16/1115:40BOS - LHR
1 stop10h 30mUnited Airlines
Thu 20/1111:10LHR - BOS
1 stop12h 25mUnited Airlines
Deal found 5/11£382
Fri 7/1106:02BOS - LHR
1 stop10h 18mUnited Airlines
Tue 11/1113:45LHR - BOS
1 stop11h 35mUnited Airlines
Deal found 5/11£383
Thu 20/1111:35BOS - LHR
1 stop26h 55mIcelandair
Mon 24/1120:35LHR - BOS
1 stop26h 15mIcelandair
Deal found 5/11£384
Sun 9/1119:12BOS - LHR
Nonstop6h 43mJetBlue
Sun 16/1109:20LHR - BOS
Nonstop7h 54mJetBlue
Deal found 5/11£384
Fri 14/1119:12BOS - LHR
Nonstop6h 43mJetBlue
Wed 19/1109:20LHR - BOS
Nonstop7h 54mJetBlue
Deal found 4/11£385
Fri 14/1119:25BOS - LHR
Nonstop6h 35mFinnair
Tue 18/1113:30LHR - BOS
Nonstop7h 40mFinnair
Deal found 4/11£386
Wed 19/1120:00BOS - LHR
Nonstop6h 50mDelta
Sun 23/1106:20LHR - BOS
1 stop12h 20mDelta
Deal found 5/11£387
Fri 14/1120:00BOS - LHR
Nonstop6h 50mDelta
Sat 22/1106:20LHR - BOS
1 stop12h 20mDelta
Deal found 4/11£387
Tue 11/1119:10BOS - LHR
Nonstop6h 40mDelta
Tue 31/309:55LHR - BOS
1 stop11h 35mDelta
Deal found 5/11£388
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 6 November 2025.
Fri 5/1215:40BOS - LHR
1 stop10h 30mUnited Airlines
Sun 14/1213:25LHR - BOS
2 stops28h 08mUnited Airlines
Deal found 4/11£383
Tue 9/1219:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 20/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£385
Tue 2/1220:00BOS - LHR
Nonstop6h 50mDelta
Tue 9/1209:00LHR - BOS
1 stop12h 20mDelta
Deal found 3/11£387
Mon 8/1216:46BOS - LHR
1 stop10h 59mMultiple Airlines
Tue 16/1213:05LHR - BOS
Nonstop7h 55mMultiple Airlines
Deal found 5/11£392
Fri 16/119:10BOS - LHR
Nonstop6h 45mJetBlue
Tue 20/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 4/11£385
Mon 24/1120:00BOS - LHR
Nonstop6h 50mDelta
Tue 2/1209:40LHR - BOS
Nonstop7h 50mDelta
Deal found 5/11£393
Tue 2/1215:40BOS - LHR
1 stop10h 30mUnited Airlines
Tue 9/1206:50LHR - BOS
2 stops15h 26mUnited Airlines
Deal found 4/11£393
Sat 10/119:10BOS - LHR
Nonstop6h 45mJetBlue
Sat 17/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£385
Fri 28/1111:43BOS - LHR
1 stop14h 22mDelta
Tue 2/1209:40LHR - BOS
Nonstop7h 50mDelta
Deal found 5/11£396
Sat 10/119:10BOS - LHR
Nonstop6h 45mJetBlue
Sun 18/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£385
Wed 21/117:00BOS - LHR
1 stop11h 30mJetBlue
Sun 25/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£388
Sat 6/1219:12BOS - LHR
Nonstop6h 43mJetBlue
Tue 9/1207:25LHR - BOS
1 stop14h 22mJetBlue
Deal found 5/11£393
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 6 November 2025.
Tue 2/1220:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Thu 4/1213:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 4/11£381
Sat 6/1220:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Sat 13/1213:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 5/11£382
Sat 17/119:10BOS - LHR
Nonstop6h 45mJetBlue
Sat 31/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£383
Sat 15/1120:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Thu 20/1113:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 5/11£384
Tue 13/119:10BOS - LHR
Nonstop6h 45mJetBlue
Sun 18/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 5/11£385
Thu 4/1219:15BOS - LHR
Nonstop6h 45mFinnair
Sun 7/1213:30LHR - BOS
Nonstop7h 30mFinnair
Deal found 5/11£386
Wed 19/1119:25BOS - LHR
Nonstop6h 35mBritish Airways
Tue 25/1113:30LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 4/11£387
Mon 1/1219:15BOS - LHR
Nonstop6h 45mIberia
Sat 6/1213:30LHR - BOS
Nonstop7h 30mIberia
Deal found 3/11£388
Wed 19/1119:25BOS - LHR
Nonstop6h 35mBritish Airways
Sun 23/1113:30LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 4/11£389
Sun 16/1119:25BOS - LHR
Nonstop6h 35mFinnair
Mon 24/1113:30LHR - BOS
Nonstop7h 40mFinnair
Deal found 4/11£390
Mon 17/1119:25BOS - LHR
Nonstop6h 35mBritish Airways
Mon 24/1117:05LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 5/11£391
Last-minute flights from Boston to Heathrow
Discover last-minute flight deals from Boston to Heathrow. Data last updated 6 November 2025 and is based on user searches.
Mon 10/1121:50BOS - LHR
1 stop10h 10mSWISS
Sun 16/1113:45LHR - BOS
1 stop11h 35mSWISS
Deal found 4/11£381
Tue 11/1110:15BOS - LHR
2 stops17h 15mAir Canada
Tue 18/1109:00LHR - BOS
2 stops17h 27mAir Canada
Deal found 4/11£384
Tue 11/1120:00BOS - LHR
Nonstop6h 50mDelta
Mon 17/1106:30LHR - BOS
1 stop11h 50mDelta
Deal found 4/11£388
Tue 11/1119:25BOS - LHR
Nonstop6h 35mFinnair
Tue 18/1113:30LHR - BOS
Nonstop7h 40mFinnair
Deal found 4/11£390
Wed 12/1118:40BOS - LHR
1 stop20h 55mUnited Airlines
Fri 21/1106:35LHR - BOS
1 stop17h 00mUnited Airlines
Deal found 5/11£382
Wed 12/1106:02BOS - LHR
1 stop9h 33mUnited Airlines
Tue 18/1113:45LHR - BOS
1 stop11h 35mUnited Airlines
Deal found 4/11£383
Wed 12/1123:55BOS - LHR
Nonstop6h 30mDelta
Sun 23/1106:20LHR - BOS
1 stop12h 20mDelta
Deal found 5/11£387
Fri 14/1119:12BOS - LHR
Nonstop6h 43mJetBlue
Wed 19/1109:20LHR - BOS
Nonstop7h 54mJetBlue
Deal found 5/11£385
Fri 14/1119:25BOS - LHR
Nonstop6h 35mFinnair
Mon 17/1113:30LHR - BOS
Nonstop7h 40mFinnair
Deal found 5/11£386
Fri 14/1120:00BOS - LHR
Nonstop6h 50mDelta
Sat 22/1106:20LHR - BOS
1 stop12h 20mDelta
Deal found 4/11£387
Fri 14/1106:00BOS - LHR
1 stop10h 20mMultiple Airlines
Mon 17/1106:50LHR - BOS
2 stops13h 02mMultiple Airlines
Deal found 4/11£389
Sat 15/1120:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Thu 20/1113:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 5/11£384
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 6 November 2025.
Mon 17/1115:40BOS - LHR
2 stops13h 25mBrussels Airlines
Deal found 5/11£158
Tue 20/113:30BOS - LHR
2 stops19h 35mAustrian Airlines
Deal found 4/11£159
Tue 13/113:30BOS - LHR
2 stops24h 10mAustrian Airlines
Deal found 5/11£160
Wed 4/311:35BOS - LHR
1 stop26h 55mIcelandair
Deal found 3/11£160
Tue 30/1210:15BOS - LHR
2 stops29h 20mAir Canada
Deal found 5/11£163
Thu 4/1218:55BOS - LHR
Nonstop6h 35mBritish Airways
Deal found 4/11£164
Sun 14/1215:40BOS - LHR
1 stop12h 50mJetBlue
Deal found 4/11£165
Wed 7/119:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 5/11£166
Sat 10/113:25BOS - LHR
1 stop26h 20mJetBlue
Deal found 4/11£166
Wed 12/1113:00BOS - LHR
2 stops24h 40mAustrian Airlines
Deal found 5/11£168
Mon 12/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 4/11£169
Mon 8/1215:40BOS - LHR
2 stops20h 25mBrussels Airlines
Deal found 5/11£170
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 6 November 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 6 November 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
Fri 5/12
15:40-07:10
1 stop10h 30m
London Heathrow
Sun 14/12
13:25-12:33
2 stops28h 08m
£383
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 9/12
19:12-06:55
Nonstop6h 43m
London Heathrow
Tue 20/1
09:20-12:16
Nonstop7h 56m
£385
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Fri 16/1
19:10-06:55
Nonstop6h 45m
London Heathrow
Tue 20/1
09:20-12:16
Nonstop7h 56m
£385
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sat 10/1
19:10-06:55
Nonstop6h 45m
London Heathrow
Sat 17/1
09:20-12:16
Nonstop7h 56m
£385
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sat 10/1
19:10-06:55
Nonstop6h 45m
London Heathrow
Sun 18/1
09:20-12:16
Nonstop7h 56m
£385
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 2/12
20:00-07:50
Nonstop6h 50m
London Heathrow
Tue 9/12
09:00-16:20
1 stop12h 20m
£387
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 21/1
17:00-09:30
1 stop11h 30m
London Heathrow
Sun 25/1
09:20-12:16
Nonstop7h 56m
£388
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 8/12
16:46-08:45
1 stop10h 59m
London Heathrow
Tue 16/12
13:05-16:00
Nonstop7h 55m
£392
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 24/11
20:00-07:50
Nonstop6h 50m
London Heathrow
Tue 2/12
09:40-12:30
Nonstop7h 50m
£393
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 2/12
15:40-07:10
1 stop10h 30m
London Heathrow
Tue 9/12
06:50-17:16
2 stops15h 26m
£393
Flights are sorted by cheapest return flights first.
Deals found on 3/11
Showing 1-10 of 24 results
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2
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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 31 October 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 80 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, February is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £277). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £456). 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 6 November 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 6 November 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 (28 on average).
How often are flights from Boston to London delayed?
About 10% of weekly flights between Boston and London have experienced delays in the past year, with the average delay time being 144 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 in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday 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, Aeromexico have had the lowest number of delays on this route, with no flights being classified as 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 67% of one-stop itineraries from Boston to London Heathrow Airport on Cheapflights.
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 Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 30m.
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 Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 30m.
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 6 November 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.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
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 8 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. United Airlines provides one of the quickest options available for as low as £385. The distance between Boston and London Heathrow Airport is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Boston to London Heathrow Airport round-trip?
Air France, at £237, 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 JetBlue. According to our data, you can fly for as low as £171. Users have also found prices from £171 and £171 on United Airlines and Delta, 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 Scandinavian Airlines (88%), Air France (88%) and Delta (87%).
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 £653, our data indicates the cheapest price to be £133. The most popular route (Boston Logan Intl - London Heathrow), is priced around £280.
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, February is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of £277). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of £456). 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 6 November 2025.
Discover the top 8 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 6 November 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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