Cheapest return flights from London to Boston in October from $467

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

29 Oct - 02 Nov SWISS
01 Oct - 07 Oct SWISS
01 Oct - 08 Oct SWISS
21 Oct - 12 Nov SWISS
20 Oct - 04 Nov SWISS
01 Oct - 07 Oct British Airways direct
01 Oct - 08 Oct British Airways direct
21 Oct - 12 Nov British Airways direct
01 Oct - 22 Oct SWISS
21 Oct - 28 Oct SWISS
27 Oct - 02 Nov SWISS
20 Oct - 23 Oct Austrian Airlines
20 Oct - 04 Nov British Airways direct
25 Oct - 05 Nov SWISS
15 Oct - 20 Oct SWISS
20 Oct - 02 Nov Air Canada
06 Oct - 13 Oct Austrian Airlines
01 Oct - 22 Oct British Airways direct
30 Oct - 15 Nov Virgin Atlantic
25 Oct - 05 Nov British Airways direct

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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