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	Baggage	Price
Best option London Boston	Outbound 18/10/25 direct BA0203 07h 35min	Return 05/11/25 direct BA1540 06h 35min	British Airways	?	£386
London Boston	Outbound 08/12/25 direct BA0239 07h 45min	Return 24/12/25 1 Stopover (JFK) BA1726, BA0112 10h 33min	British Airways		£376
London Boston	Outbound 27/10/25 direct BA1545 07h 35min	Return 14/11/25 direct BA0202 06h 40min	British Airways	?	£388
London Boston	Outbound 01/11/25 direct BA0239 07h 45min	Return 19/11/25 direct BA1540 06h 35min	British Airways	?	£400
London Boston	Outbound 08/12/25 direct BA1545 07h 25min	Return 24/12/25 direct BA0238 06h 30min	British Airways	?	£407
London Boston	Outbound 17/10/25 1 Stopover (BCN) BA0472, VY9795 20h 00min	Return 04/11/25 1 Stopover (DUB) EI0136, EI0164 11h 05min	British Airways, Vueling Airlines	?	£409
London Boston	Outbound 10/10/25 2 Stopovers (DUB, BCN) BA0832, VY8721, VY9795 19h 55min	Return 28/10/25 1 Stopover (SNN) EI0134, EI0380 08h 50min	British Airways, Vueling Airlines	?	£424

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 British Airways

Our cheapest offers for flights from London to Boston

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

Boston Logan

British Airways

Important flight information

Flight information: London - Boston

Alternative routes to United States

Alternative flights to Boston

Flight destinations with a similar price