Cheapest return flights from Boston to London in January from $492

Best time to book flights for Boston (BOS) to London (LHR) flights at AirHint

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

Return flights

29 Jan - 13 Feb Icelandair
11 Jan - 18 Jan Icelandair
31 Jan - 07 Feb Icelandair
21 Jan - 25 Jan Icelandair
05 Jan - 12 Jan Icelandair
06 Jan - 14 Feb Icelandair
06 Jan - 14 Feb jetBlue direct
11 Jan - 18 Jan British Airways direct
21 Jan - 25 Jan Air France direct
05 Jan - 12 Jan British Airways direct
31 Jan - 07 Feb Air France direct
15 Jan - 21 Jan Iberia direct
29 Jan - 13 Feb British Airways direct
01 Jan - 08 Jan Icelandair
01 Jan - 08 Jan British Airways direct

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

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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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