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

Return flights

02 Feb - 09 Feb	Iberia For Level
10 Feb - 10 Mar	Icelandair
18 Feb - 25 Feb	Air Canada
11 Feb - 09 Mar	Air Canada
04 Feb - 25 Feb	Aer Lingus
03 Feb - 24 Feb	Aer Lingus
10 Feb - 03 Mar	Aer Lingus
11 Feb - 04 Mar	Aer Lingus
11 Feb - 08 Mar	Aer Lingus
04 Feb - 18 Feb	Air Canada
18 Feb - 10 Mar	Air Canada
15 Feb - 24 Feb	Air Canada
03 Feb - 17 Feb	Air Canada
17 Feb - 22 Feb	Air Canada
11 Feb - 18 Feb	Aer Lingus
26 Feb - 06 Mar	Air Canada
16 Feb - 21 Feb	Air Canada
27 Feb - 03 Mar	Austrian Airlines
10 Feb - 03 Mar	Air France	direct
11 Feb - 04 Mar	Air France	direct

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 $420

Return flights