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

Return flights

02 Feb - 09 Feb	SWISS
09 Feb - 23 Feb	SWISS
04 Feb - 09 Feb	SWISS
26 Feb - 04 Mar	SWISS
12 Feb - 18 Feb	SWISS
25 Feb - 01 Mar	Iberia
05 Feb - 10 Feb	Iberia
05 Feb - 09 Feb	Iberia
04 Feb - 08 Feb	Iberia
06 Feb - 09 Feb	Iberia
06 Feb - 10 Feb	Iberia
26 Feb - 05 Mar	SWISS
12 Feb - 25 Feb	Delta
19 Feb - 08 Mar	Virgin Atlantic
26 Feb - 02 Mar	Delta
26 Feb - 03 Mar	Delta
27 Feb - 04 Mar	Delta
19 Feb - 05 Mar	KLM
19 Feb - 01 Mar	KLM
27 Feb - 07 Mar	SWISS

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 $483

Return flights