Cheapest return flights from London to Boston in December from $333

AirHint found the following cheapest return flights from London (LGW) to Boston (BOS) in December 2025 (see full year).

Return flights

06 Dec - 07 Dec Vueling Airlines
04 Dec - 08 Dec Vueling Airlines
11 Dec - 15 Dec Vueling Airlines
02 Dec - 08 Dec Vueling Airlines
08 Dec - 15 Dec Iberia For Level
05 Dec - 07 Dec Iberia For Level
01 Dec - 07 Dec Iberia For Level
01 Dec - 30 Dec Iberia For Level
29 Dec - 12 Jan Vueling Airlines
29 Dec - 06 Jan Vueling Airlines
29 Dec - 04 Jan Vueling Airlines
15 Dec - 04 Jan Vueling Airlines
07 Dec - 12 Dec Icelandair
13 Dec - 16 Dec Icelandair
29 Dec - 03 Jan Vueling Airlines
27 Dec - 05 Jan Icelandair
24 Dec - 01 Jan TAP
27 Dec - 04 Jan Icelandair
27 Dec - 06 Jan Iberia
17 Dec - 05 Jan Icelandair

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

Skyscanner

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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