Our cheapest offers for flights from London to Boston

Here you can compare cheap flights from London (LON) to Boston (BOS) 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 Boston. Prices and availability may change at any time.

	Outbound	Return	Airlines	Shop	Baggage	Price
London Boston	Outbound 26/11/25 2 Stopovers (ZRH, YUL) AC6818, AC6821, AC8610 15h 12min	Return 14/12/25 1 Stopover (YUL) AC8605, AC0864 15h 55min	Air Canada		?	£349
London Boston	Outbound 18/10/25 1 Stopover (YUL) AC0865, AC8614 12h 20min	Return 05/11/25 1 Stopover (YUL) AC8607, AC0864 10h 30min	Air Canada			£385

Important flight information

Flight information: London - Boston

Outbound and return from	£ 300,99
Flight duration	min. 07:30 / max. 07:58
Return flight duration	min. 06:20/ max. 06:42
Distance	5264 km
Flights per week	50
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Boston Logan (BOS)
Destination country	Flights to United States

Alternative routes to United States

Flight London - New York from £ 213
Flight London - Los Angeles from £ 231
Flight London - San Francisco from £ 355
Flight London - Miami from £ 303
Flight London - Orlando from £ 251
Flight London - Chicago from £ 298
Flight London - Las Vegas from £ 404
Flight London - Seattle-Tacoma from £ 411
Flight London - Santa Ana, CA from £ 413
Flight London - Austin from £ 594

Alternative flights to Boston

Flight London Heathrow - Boston from £ 301
Flight London Gatwick - Boston from £ 330
Flight London City - Boston from £ 406

Flights from London to Boston with Air Canada

Our cheapest offers for flights from London to Boston

London (LCY, LGW, LHR, LTN, STN, SEN)

Boston Logan

Air Canada

Important flight information

Flight information: London - Boston

Alternative routes to United States

Alternative flights to Boston

Flight destinations with a similar price