Cheapest return flights from Boston to London in January from 339€

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

Return flights

27 Jan - 03 Feb Air Canada
21 Jan - 28 Jan Icelandair
18 Jan - 25 Jan Lufthansa
19 Jan - 28 Jan Icelandair
23 Jan - 01 Feb Air Canada
23 Jan - 03 Feb Air Canada
19 Jan - 25 Jan Icelandair
20 Jan - 26 Jan Icelandair
28 Jan - 04 Feb Icelandair
22 Jan - 31 Jan SWISS
22 Jan - 27 Jan TAP
31 Jan - 08 Feb TAP
27 Jan - 31 Jan Lufthansa
13 Jan - 19 Jan KLM
23 Jan - 26 Jan Lufthansa
28 Jan - 09 Feb SWISS
12 Jan - 02 Feb SWISS
26 Jan - 06 Feb SWISS
30 Jan - 07 Feb Iberia
25 Jan - 15 Feb Lufthansa

Also check the deals for one-way flights from Boston to London in January.

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