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

Return flights

16 Feb - 01 Mar	Air Canada
10 Feb - 15 Feb	Aer Lingus
22 Feb - 28 Feb	Aer Lingus
22 Feb - 01 Mar	Aer Lingus
18 Feb - 25 Feb	Aer Lingus
14 Feb - 20 Feb	Aer Lingus
12 Feb - 19 Feb	Aer Lingus
16 Feb - 23 Feb	Aer Lingus
02 Feb - 09 Feb	United
13 Feb - 20 Feb	Air Canada
22 Feb - 28 Feb	American Airlines	direct
10 Feb - 15 Feb	British Airways	direct
22 Feb - 01 Mar	British Airways	direct
16 Feb - 01 Mar	American Airlines	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 $474

Return flights