Cheapest return flights from London to Boston in October from $589

AirHint found the following cheapest return flights from London (LCY) to Boston (BOS) in October 2026 (see full year).

Return flights

06 Oct - 13 Oct Lufthansa
05 Oct - 12 Oct Lufthansa
06 Oct - 20 Oct SWISS
08 Oct - 15 Oct Lufthansa
09 Oct - 18 Oct Lufthansa
19 Oct - 26 Oct SWISS
15 Oct - 29 Oct Lufthansa
17 Oct - 24 Oct SWISS
17 Oct - 02 Nov KLM
03 Oct - 10 Oct 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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