Cheapest return flights from London to Boston in October from $371

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

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

Return flights

23 Oct - 12 Nov SWISS
24 Oct - 05 Nov Air France direct
24 Oct - 12 Nov Air France direct
29 Oct - 08 Nov Austrian Airlines
30 Oct - 05 Nov Lufthansa
06 Oct - 29 Oct Scandinavian Airlines
29 Oct - 03 Nov Austrian Airlines
09 Oct - 29 Oct Scandinavian Airlines
17 Oct - 05 Nov Scandinavian Airlines
21 Oct - 12 Nov Scandinavian Airlines
22 Oct - 12 Nov Scandinavian Airlines
04 Oct - 06 Oct Scandinavian Airlines
01 Oct - 06 Oct Scandinavian Airlines
02 Oct - 09 Oct Scandinavian Airlines
15 Oct - 05 Nov Scandinavian Airlines
07 Oct - 12 Oct Scandinavian Airlines
14 Oct - 25 Oct Scandinavian Airlines
20 Oct - 27 Oct Scandinavian Airlines
06 Oct - 12 Oct Scandinavian Airlines
16 Oct - 26 Oct Scandinavian Airlines

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

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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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