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

Return flights

02 Oct - 14 Oct	SWISS
10 Oct - 23 Oct	SWISS
17 Oct - 23 Oct	SWISS
06 Oct - 15 Oct	SWISS
07 Oct - 19 Oct	SWISS
16 Oct - 27 Oct	SWISS
17 Oct - 28 Oct	SWISS
22 Oct - 27 Oct	SWISS
13 Oct - 22 Oct	SWISS
14 Oct - 21 Oct	SWISS
26 Oct - 08 Nov	SWISS
10 Oct - 03 Nov	SWISS
31 Oct - 14 Nov	SWISS
16 Oct - 03 Nov	SWISS
10 Oct - 11 Nov	SWISS
29 Oct - 14 Nov	SWISS
26 Oct - 26 Nov	SWISS
28 Oct - 03 Nov	SWISS
06 Oct - 11 Nov	SWISS
23 Oct - 07 Nov	SWISS

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

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 New York in October from 355€

Return flights