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

Return flights

04 Nov - 11 Nov	Air Canada
11 Nov - 14 Nov	Air Canada
13 Nov - 22 Nov	Air Canada
26 Nov - 30 Nov	Air Canada
17 Nov - 24 Nov	Air Canada
06 Nov - 09 Nov	Air Canada
09 Nov - 16 Nov	Air Canada
19 Nov - 25 Nov	Air Canada
08 Nov - 19 Nov	Air Canada
10 Nov - 16 Nov	Air Canada
28 Nov - 02 Dec	Air Canada
28 Nov - 07 Dec	Air Canada
29 Nov - 05 Dec	Air Canada
29 Nov - 04 Dec	Air Canada
24 Nov - 07 Dec	Air Canada
30 Nov - 14 Dec	SWISS
30 Nov - 05 Dec	SWISS
26 Nov - 03 Dec	Aer Lingus
25 Nov - 01 Dec	Virgin Atlantic	direct
26 Nov - 03 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 354€

Return flights