Cheapest return flights from London to Boston in October from 363€

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

Return flights

03 Oct - 13 Oct Scandinavian Airlines
31 Oct - 09 Nov Scandinavian Airlines
06 Oct - 14 Oct Scandinavian Airlines
31 Oct - 07 Nov Air Canada
31 Oct - 05 Nov Air Canada
29 Oct - 05 Nov Air Canada
16 Oct - 21 Oct Scandinavian Airlines
06 Oct - 19 Oct Scandinavian Airlines
06 Oct - 16 Oct Aer Lingus
06 Oct - 15 Oct Aer Lingus
16 Oct - 20 Oct Scandinavian Airlines
09 Oct - 13 Oct Scandinavian Airlines
07 Oct - 14 Oct Aer Lingus
02 Oct - 12 Oct SWISS
30 Oct - 05 Nov SWISS
30 Oct - 02 Nov SWISS
29 Oct - 03 Nov Air Canada
01 Oct - 13 Nov SWISS
01 Oct - 12 Nov SWISS
30 Oct - 09 Nov SWISS

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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