Cheap flights from London Heathrow Airport to Boston from £323
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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
11 Jan — 18 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in February or September, booked 50 days in advance, depart on a Thursday or Wednesday and return on a Monday
Cheap flight deals from Heathrow to Boston
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to Boston
Explore the most affordable flight options available from Heathrow to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.
Tue 23/1206:00LHR - BOS
1 stop13h 45mTAP AIR PORTUGAL
Sun 11/122:45BOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 11/12£429
Wed 24/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Mon 12/118:05BOS - LHR
1 stop23h 35mTAP AIR PORTUGAL
Deal found 11/12£448
Tue 23/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Wed 7/118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 10/12£450
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Fri 9/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 10/12£452
Thu 18/1219:55LHR - BOS
1 stop23h 40mTAP AIR PORTUGAL
Sat 17/122:25BOS - LHR
1 stop14h 05mTAP AIR PORTUGAL
Deal found 11/12£456
Thu 25/1219:50LHR - BOS
2 stops49h 00mScandinavian Airlines
Mon 12/117:35BOS - LHR
1 stop19h 55mScandinavian Airlines
Deal found 11/12£457
Wed 24/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Thu 8/122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 11/12£458
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Wed 18/319:05BOS - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 9/12£459
Wed 24/1219:50LHR - BOS
2 stops25h 00mScandinavian Airlines
Mon 12/117:35BOS - LHR
2 stops20h 15mScandinavian Airlines
Deal found 10/12£462
Best flights from Heathrow to Boston
Discover carefully curated flight deals from Heathrow to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.
Mon 12/106:50LHR - BOS
2 stops20h 02mUnited Airlines
Mon 19/122:10BOS - LHR
1 stop9h 50mUnited Airlines
Deal found 10/12£425
Tue 23/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Sun 11/122:45BOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 10/12£438
Tue 13/109:20LHR - BOS
Nonstop7h 56mJetBlue
Wed 21/119:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£438
Sun 8/219:10LHR - BOS
Nonstop7h 45mBritish Airways
Sun 15/218:55BOS - LHR
Nonstop6h 35mBritish Airways
Deal found 11/12£443
Mon 9/209:20LHR - BOS
Nonstop7h 56mJetBlue
Wed 18/219:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£440
Fri 23/113:45LHR - BOS
1 stop11h 15mUnited Airlines
Mon 26/116:15BOS - LHR
2 stops14h 00mUnited Airlines
Deal found 9/12£441
Thu 12/217:05LHR - BOS
Nonstop7h 40mBritish Airways
Sun 15/221:35BOS - LHR
Nonstop6h 40mBritish Airways
Deal found 11/12£443
Tue 10/209:20LHR - BOS
Nonstop7h 56mJetBlue
Wed 18/219:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£440
Sun 8/219:10LHR - BOS
Nonstop7h 45mBritish Airways
Wed 18/207:30BOS - LHR
Nonstop6h 30mBritish Airways
Deal found 11/12£443
Wed 11/209:20LHR - BOS
Nonstop7h 56mJetBlue
Thu 19/219:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£440
Thu 12/211:40LHR - BOS
Nonstop7h 40mBritish Airways
Tue 17/207:30BOS - LHR
Nonstop6h 30mBritish Airways
Deal found 11/12£443
Mon 9/209:20LHR - BOS
Nonstop7h 56mJetBlue
Mon 16/219:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£440
Direct flights from Heathrow to Boston
Explore direct flight options from Heathrow to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 December 2025.
Mon 26/119:10LHR - BOS
Nonstop7h 45mBritish Airways
Mon 2/221:35BOS - LHR
Nonstop6h 40mBritish Airways
Deal found 11/12£423
Thu 19/213:30LHR - BOS
Nonstop7h 35mFinnair
Wed 25/221:35BOS - LHR
Nonstop6h 40mFinnair
Deal found 9/12£425
Tue 17/213:30LHR - BOS
Nonstop7h 35mFinnair
Tue 24/219:15BOS - LHR
Nonstop6h 45mFinnair
Deal found 11/12£432
Mon 20/417:35LHR - BOS
Nonstop7h 30mBritish Airways
Wed 29/421:50BOS - LHR
Nonstop6h 45mBritish Airways
Deal found 10/12£432
Wed 29/417:35LHR - BOS
Nonstop7h 30mBritish Airways
Wed 6/521:50BOS - LHR
Nonstop6h 45mBritish Airways
Deal found 11/12£433
Sat 21/213:30LHR - BOS
Nonstop7h 35mIberia
Wed 25/219:15BOS - LHR
Nonstop6h 45mIberia
Deal found 11/12£434
Mon 12/113:30LHR - BOS
Nonstop7h 45mBritish Airways
Mon 19/121:35BOS - LHR
Nonstop6h 40mBritish Airways
Deal found 11/12£437
Tue 13/109:20LHR - BOS
Nonstop7h 56mJetBlue
Tue 20/119:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£438
Sun 1/219:10LHR - BOS
Nonstop7h 45mBritish Airways
Fri 27/207:30BOS - LHR
Nonstop6h 30mBritish Airways
Deal found 11/12£438
Tue 27/109:20LHR - BOS
Nonstop7h 56mJetBlue
Fri 30/119:12BOS - LHR
Nonstop6h 43mJetBlue
Deal found 11/12£439
Last-minute flights from Heathrow to Boston
Discover last-minute flight deals from Heathrow to Boston. Data last updated 12 December 2025 and is based on user searches.
Tue 16/1209:15LHR - BOS
2 stops18h 39mIberia
Thu 8/119:15BOS - LHR
Nonstop6h 45mIberia
Deal found 11/12£475
Tue 16/1209:15LHR - BOS
2 stops18h 39mIberia
Wed 7/115:35BOS - LHR
1 stop25h 35mIberia
Deal found 10/12£480
Wed 17/1211:25LHR - BOS
1 stop13h 25mFinnair
Sun 11/106:00BOS - LHR
1 stop11h 10mFinnair
Deal found 10/12£465
Wed 17/1211:25LHR - BOS
1 stop13h 25mFinnair
Wed 7/107:00BOS - LHR
2 stops42h 20mFinnair
Deal found 10/12£474
Thu 18/1219:55LHR - BOS
1 stop23h 40mTAP AIR PORTUGAL
Sat 17/122:25BOS - LHR
1 stop14h 05mTAP AIR PORTUGAL
Deal found 11/12£456
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Fri 9/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 10/12£452
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Wed 18/319:05BOS - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 9/12£459
One-way flights from Heathrow to Boston
Search for one-way flight options from Heathrow to Boston. Find affordable one-way fares based on user searches. Data last updated 12 December 2025.
Thu 5/206:30LHR - BOS
2 stops17h 27mLufthansa
Deal found 11/12£323
Sun 25/109:20LHR - BOS
Nonstop7h 56mJetBlue
Deal found 11/12£324
Thu 22/109:00LHR - BOS
2 stops15h 42mMultiple Airlines
Deal found 11/12£325
Tue 13/122:15LHR - BOS
3 stops51h 40mMultiple Airlines
Deal found 10/12£326
Sat 14/306:30LHR - BOS
1 stop11h 40mLufthansa
Deal found 10/12£326
Sat 24/106:50LHR - BOS
2 stops13h 02mBrussels Airlines
Deal found 11/12£329
Sat 31/106:35LHR - BOS
2 stops20h 22mUnited Airlines
Deal found 10/12£330
Thu 19/306:50LHR - BOS
2 stops16h 22mAir Canada
Deal found 10/12£331
Tue 2/613:45LHR - BOS
1 stop11h 10mSWISS
Deal found 11/12£332
Sat 18/408:45LHR - BOS
1 stop11h 45mSWISS
Deal found 10/12£333
Find flight deals from Heathrow to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Boston (BOS). 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 12 December 2025.
Customise your flight search to find flights from Heathrow to Boston 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 12 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Boston that are best for you.
Fly from
Heathrow
Fly to
Boston
Route
Depart
Return
Price
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Mon 12/1
06:50-21:52
2 stops20h 02m
Boston Logan Intl
Mon 19/1
22:10-13:00
1 stop9h 50m
£425
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Tue 23/12
18:30-14:35
1 stop25h 05m
Boston Logan Intl
Sun 11/1
22:45-21:35
1 stop17h 50m
£438
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Tue 13/1
09:20-12:16
Nonstop7h 56m
Boston Logan Intl
Wed 21/1
19:12-06:55
Nonstop6h 43m
£438
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Mon 9/2
09:20-12:16
Nonstop7h 56m
Boston Logan Intl
Wed 18/2
19:12-06:55
Nonstop6h 43m
£440
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Tue 10/2
09:20-12:16
Nonstop7h 56m
Boston Logan Intl
Wed 18/2
19:12-06:55
Nonstop6h 43m
£440
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Wed 11/2
09:20-12:16
Nonstop7h 56m
Boston Logan Intl
Thu 19/2
19:12-06:55
Nonstop6h 43m
£440
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Mon 9/2
09:20-12:16
Nonstop7h 56m
Boston Logan Intl
Mon 16/2
19:12-06:55
Nonstop6h 43m
£440
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Fri 23/1
13:45-20:00
1 stop11h 15m
Boston Logan Intl
Mon 26/1
16:15-11:15
2 stops14h 00m
£441
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Sun 8/2
19:10-21:55
Nonstop7h 45m
Boston Logan Intl
Sun 15/2
18:55-06:30
Nonstop6h 35m
£443
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Thu 12/2
17:05-19:45
Nonstop7h 40m
Boston Logan Intl
Sun 15/2
21:35-09:15
Nonstop6h 40m
£443
Flights are sorted by cheapest return flights first.
Deals found on 11/12
Showing 1-10 of 23 results
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Best time to book a flight from Heathrow to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Heathrow 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 London Heathrow Airport to Boston
Prices
Airlines
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Boston?
Use this chart to determine the optimal time to book a return flight from Heathrow to Boston. Price data was last updated on 5 December 2025.
The best time to book flights from London Heathrow Airport to Boston is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to Boston?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £325). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £375). 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 LHR to BOS?
Find hourly flight availability from Heathrow to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
When flying from London Heathrow Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 27% versus a flight in the evening.
What is the cheapest day to fly from London Heathrow Airport to Boston?
Use this chart to determine the cheapest time to fly return from Heathrow to Boston. Price data was last updated on 6 December 2025.
Travellers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London Heathrow Airport to Boston?
Weekly flight availability from London Heathrow Airport to Boston
Explore weekly flight availability from Heathrow to Boston. 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 12 December 2025.
The most flights from LHR to BOS are scheduled on a Wednesday (36 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 on average).
How often are flights from London to Boston delayed?
About 8% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 158 minutes.
What is the most punctual flight time for London to Boston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Boston flights?
Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 5% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Boston?
Share of one-stop return flights from London Heathrow Airport to Boston chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 37% of one-stop itineraries from London Heathrow Airport to Boston on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Boston?
Average return fare for one-stop flights from London Heathrow Airport to Boston, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £362.
What’s the fastest stopover option from London Heathrow Airport to Boston?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Boston, 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: 10h 17m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Boston?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dublin (DUB) offer the fastest connection on this route, with an average stopover time of 1h 51m.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 12 December 2025.
Get a feel of what it's like to fly with KLM, Finnair, andVirgin Atlantic from London Heathrow Airport to Boston by reading reviews from past customers. Users have also rated airlines 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 Heathrow to Boston. 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 into for flights to Boston from London Heathrow?
Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from London Heathrow. On average, Logan Intl has 30 inbound flights from London Heathrow per day from 16 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.
How long is the flight from London Heathrow Airport to Boston?
There are many flights that can get you from London Heathrow Airport to Boston in 7h 56m. Fly via United Airlines, TAP AIR PORTUGAL, or JetBlue to get the fastest option. The distance between London Heathrow Airport and Boston is about 3254 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Boston round-trip?
Our cheapest airline available from London Heathrow Airport to Boston is Delta. Our recent data shows that you can find tickets from as low as £148 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Scandinavian Airlines, starting at £279 and £285 round-trip. Delta is priced at 68% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London Heathrow Airport to Boston one-way?
One-way options have recently been found by users for as low as £252 on JetBlue. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £254 and Aer Lingus from £300 one-way.
What are the most reliable airlines from London Heathrow Airport to Boston?
Consider Malaysia Airlines (96%), Gulf Air (91%) or Finnair (89%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Boston.
What are the cheapest flights from London Heathrow Airport to Boston?
The cheapest flight price from London Heathrow Airport to Boston is £317. On average you can expect to pay £1,370. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for £258.
Can I find deals for business class flights from Heathrow to Boston?
Yes. Cheapflights offers flight deals from Heathrow to Boston 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 London Heathrow Airport to Boston?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £325). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £375). 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.
Book flights to Boston if you plan to visit one of these locations
Burlington
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford
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Fly from Heathrow to Boston on these airlines
Choose from the following airlines for your flight from Heathrow to Boston. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Discover the top 10 airlines that operate flights from Heathrow to Boston. 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 12 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 Heathrow to Boston?
Cheapflights makes it easy to find Heathrow to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Boston?
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 Boston from Heathrow.
Can Cheapflights find flights from Heathrow to Boston with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Boston flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to Boston become cheaper?
Yes! Start tracking prices for Heathrow to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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