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 27/11/25 1 Stopover (SNN) EI0381, EI0135 11h 50min	Return 15/12/25 1 Stopover (DUB) EI0132, EI0156 11h 50min	Aer Lingus Irish Airlines			£337
London Boston	Outbound 08/12/25 1 Stopover (DUB) EI8360, EI0133 12h 00min	Return 24/12/25 2 Stopovers (AMS, LUX) KL0618, KL1711, LG4601 16h 25min	Aer Lingus Irish Airlines		?	£3,058

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 Aer Lingus Irish Airlines

Our cheapest offers for flights from London to Boston

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

Boston Logan

Aer Lingus Irish Airlines

Important flight information

Flight information: London - Boston

Alternative routes to United States

Alternative flights to Boston

Flight destinations with a similar price