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

Return flights

23 Feb - 25 Feb	Lufthansa
04 Feb - 06 Feb	SWISS
18 Feb - 20 Feb	SWISS
08 Feb - 10 Feb	Air Canada
04 Feb - 05 Feb	Air Canada
07 Feb - 15 Feb	TAP
23 Feb - 28 Feb	TAP
01 Feb - 15 Feb	TAP
22 Feb - 28 Feb	TAP
01 Feb - 28 Feb	TAP
23 Feb - 02 Mar	LEVEL
24 Feb - 03 Mar	British Airways
24 Feb - 10 Mar	British Airways
08 Feb - 03 Mar	British Airways
09 Feb - 09 Mar	Air France
21 Feb - 02 Mar	Aer Lingus
22 Feb - 02 Mar	Aer Lingus
25 Feb - 03 Mar	SWISS
27 Feb - 05 Mar	British Airways
22 Feb - 01 Mar	Austrian Airlines

Also check the deals for one-way flights from Boston to London 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 Boston to London in February from 336€

Return flights