AirHint found the following cheapest return flights from London (LCY) to Boston (BOS) in February 2026 (see full year).

Return flights

03 Feb - 09 Feb	SWISS
11 Feb - 18 Feb	SWISS
02 Feb - 09 Feb	SWISS
11 Feb - 17 Feb	SWISS
25 Feb - 03 Mar	SWISS
05 Feb - 11 Feb	Iberia
04 Feb - 11 Feb	Iberia
06 Feb - 09 Feb	Iberia
04 Feb - 08 Feb	Iberia
05 Feb - 09 Feb	Iberia
06 Feb - 08 Feb	Iberia
18 Feb - 03 Mar	SWISS
18 Feb - 01 Mar	SWISS
25 Feb - 01 Mar	SWISS
26 Feb - 04 Mar	SWISS
27 Feb - 04 Mar	SWISS
02 Feb - 03 Mar	Delta
28 Feb - 04 Mar	SWISS
09 Feb - 20 Mar	Delta
24 Feb - 03 Mar	British Airways

Also check the deals for one-way flights from London to Boston in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Boston in February from $565

Return flights