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

Return flights

24 Feb - 04 Mar	Icelandair
25 Feb - 10 Mar	Icelandair
25 Feb - 01 Mar	Icelandair
25 Feb - 03 Mar	Icelandair
25 Feb - 04 Mar	Icelandair
23 Feb - 02 Mar	Icelandair
27 Feb - 01 Mar	British Airways
26 Feb - 10 Mar	Aer Lingus
26 Feb - 11 Mar	Aer Lingus
27 Feb - 11 Mar	Aer Lingus
21 Feb - 28 Feb	Air Canada
24 Feb - 25 Feb	Aer Lingus
11 Feb - 28 Feb	Air Canada
16 Feb - 24 Feb	Lufthansa
20 Feb - 26 Feb	Air Canada
11 Feb - 16 Feb	Air Canada
16 Feb - 26 Feb	Air Canada
14 Feb - 25 Feb	Air Canada
14 Feb - 17 Feb	Air Canada
18 Feb - 28 Feb	Iberia

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 $407

Return flights