Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Boston London Heathrow | Outbound 04/21/25 1 Stopover (KEF) FI0632, FI0450 31h 20min | Return 05/19/25 1 Stopover (KEF) FI0455, FI0633 29h 35min | | ![]() | $445 | ||
Best option Boston London Heathrow | Outbound 09/19/25 direct AY4185 06h 40min | Return 09/29/25 direct AY4186 07h 20min | | ![]() | $533 found 3 days ago | ||
Boston London Heathrow | Outbound 08/19/25 1 Stopover (FRA) DE2039, LH0904 13h 25min | Return 09/02/25 1 Stopover (FRA) LH0923, DE2038 11h 25min | | ![]() | $832 | ||
Boston London Heathrow | Outbound 04/21/25 1 Stopover (KEF) FI0632, FI0450 31h 20min | Return 05/19/25 1 Stopover (KEF) FI0455, FI0633 29h 35min | | ![]() | $449 | ||
Boston London Heathrow | Outbound 04/21/25 1 Stopover (KEF) FI0632, FI0450 31h 20min | Return 05/19/25 1 Stopover (KEF) FI0455, FI0633 29h 35min | | ![]() | ? | $483 | |
Boston London Heathrow | Outbound 04/21/25 1 Stopover (KEF) FI0632, FI0450 31h 20min | Return 05/19/25 1 Stopover (KEF) FI0455, FI0633 29h 35min | | ![]() | ? | $485 | |
Boston London Heathrow | Outbound 08/14/25 1 Stopover (KEF) FI0630, FI0450 10h 05min | Return 09/11/25 1 Stopover (KEF) FI0455, FI0635 19h 10min | | ![]() | ? | $510 | |
Boston London Heathrow | Outbound 09/19/25 1 Stopover (YUL) AC0753, AC0866 10h 10min | Return 09/29/25 1 Stopover (ZRH) LX0317, LX0052 16h 15min | | ![]() | ? | $526 found 3 days ago | |
Boston London Heathrow | Outbound 09/19/25 1 Stopover (KEF) FI0630, FI0450 10h 05min | Return 09/29/25 1 Stopover (KEF) FI0455, FI0631 26h 25min | | ![]() | ? | $527 found 3 days ago | |
Boston London Heathrow | Outbound 08/14/25 1 Stopover (KEF) FI0634, FI0450 18h 20min | Return 09/11/25 1 Stopover (KEF) FI0455, FI0635 19h 10min | | ![]() | ? | $530 |
Stops
- Direct flight
Airline
- Icelandair
- TAP Air Portugal
- United Airlines
- SAS Scandinavian Airlines
- Finnair
Tips and tricks to help you find cheap flights from Boston to London Heathrow
Favorite airline: Icelandair
The most popular airline for flights from Boston to London Heathrow is Icelandair.

Icelandair
28 %

United Airlines
17 %

Air Canada
16 %
Direct flights are more expensive
Compared to direct flights, flights with a stopover on this route are on average 30 % cheaper.
non stop flight
1 stop
2 stops
06h 50min
18h 20min
21h 30min
$ 564
$ 433
$ 583
Favourite connection: via Reykjavik-Keflavik
The most popular route is via Reykjavik-Keflavik and is booked by 35 % of all travelers.
Route
bookings
1 stopover Reykjavik-Keflavik International
18h 20min, from $ 433
35 %
1 stopover Montréal-Pierre Elliott Trudeau International Airport
30h 25min, from $ 537
26 %
Direct flights
06h 50min, from $ 564
20 %
Important flight information
Flight information: Boston - London Heathrow
Roundtrip from | $ 444,23 |
---|---|
Flight duration | min. 06:20 / max. 06:42 |
Return flight duration | min. 07:40/ max. 07:58 |
Distance | 5245 km |
Flights per week | 42 |
Departure airport | Airport Boston Logan International Airport, MA (BOS) |
Arrival airport | Airport London Heathrow (LHR) |
Destination country | Flights to United Kingdom |
Alternative routes to United Kingdom
- Flight Boston - London from $ 445
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $ 636
- Flight Detroit - London Heathrow from $ 464
- Flight Washington DC - London Heathrow from $ 442
- Flight Miami - London Heathrow from $ 571
- Flight Chicago O'Hare - London Heathrow from $ 584
- Flight Seattle-Tacoma - London Heathrow from $ 634
- Flight San Francisco - London Heathrow from $ 608
- Flight Baltimore - London Heathrow from $ 473
- Flight Denver - London Heathrow from $ 588
- Flight Dallas - London Heathrow from $ 732
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $ 686
- Flight London Heathrow - Abu Dhabi from $ 378
- Flight London Heathrow - Toronto from $ 420
- Flight London Heathrow - Cologne from $ 120
- Flight London Heathrow - Dusseldorf from $ 122
- Flight London Heathrow - Frankfurt from $ 161
- Flight London Heathrow - Barcelona from $ 126
- Flight London Heathrow - Ahmedabad from $ 662
- Flight London Heathrow - Amritsar from $ 674
- Flight London Heathrow - Erbil from $ 484
Flight destinations with a similar price
- Flight Boston - London from $ 445
- Flight Boston - Jackson Hole from $ 471
- Flight Boston - Berlin from $ 487
- Flight Boston - Madrid from $ 470
- Flight Boston - Barcelona from $ 472
- Flight Boston - Dublin from $ 421
- Flight Boston - Naples from $ 473
- Flight Boston - Guadalajara from $ 418
- Flight Boston - Panama City from $ 427