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

Return flights

14 Nov - 16 Nov	TAP
01 Nov - 08 Nov	TAP
01 Nov - 07 Nov	TAP
05 Nov - 29 Nov	TAP
25 Nov - 30 Nov	TAP
22 Nov - 28 Nov	TAP
20 Nov - 29 Nov	TAP
09 Nov - 23 Nov	TAP
13 Nov - 22 Nov	TAP
21 Nov - 08 Dec	TAP
20 Nov - 03 Dec	TAP
14 Nov - 24 Nov	TAP
20 Nov - 01 Dec	TAP
25 Nov - 03 Dec	TAP
27 Nov - 01 Dec	SWISS
17 Nov - 08 Dec	SWISS
26 Nov - 03 Dec	SWISS
22 Nov - 10 Dec	SWISS
25 Nov - 05 Dec	SWISS
21 Nov - 11 Dec	SWISS

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 $448

Return flights