Flights from Boston to London Heathrow

Our cheapest offers for flights from Boston to London Heathrow

Here you can compare cheap flights from Boston (BOS) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

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.
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
Favourite connection: via Reykjavik-Keflavik
The most popular route is via Reykjavik-Keflavik and is booked by 35 % of all travelers.
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 %

Flight information: Boston - London Heathrow

Roundtrip from $476.59
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 destinations with a similar price