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

Return flights

19 Nov - 24 Nov	Aer Lingus
03 Nov - 10 Nov	Aer Lingus
25 Nov - 10 Dec	Aer Lingus
25 Nov - 01 Dec	Aer Lingus
24 Nov - 08 Dec	Aer Lingus
04 Nov - 01 Dec	Aer Lingus
21 Nov - 27 Nov	SWISS
12 Nov - 15 Nov	SWISS
07 Nov - 09 Nov	United
06 Nov - 13 Nov	SWISS
27 Nov - 30 Nov	United
13 Nov - 16 Nov	SWISS
07 Nov - 11 Nov	SWISS
07 Nov - 14 Nov	SWISS
22 Nov - 06 Dec	SWISS
24 Nov - 06 Dec	Scandinavian Airlines
29 Nov - 03 Dec	Brussels Airlines
27 Nov - 01 Dec	Scandinavian Airlines
25 Nov - 01 Dec	British Airways	direct
04 Nov - 01 Dec	British Airways	direct

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

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 London to Boston in November from $439

Return flights