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

Return flights

28 Oct - 26 Nov	SWISS
28 Oct - 27 Nov	SWISS
29 Oct - 10 Nov	ITA Airways
28 Oct - 11 Nov	SWISS
29 Oct - 04 Nov	SWISS
28 Oct - 29 Oct	SWISS
31 Oct - 11 Nov	ITA Airways
28 Oct - 04 Nov	SWISS
30 Oct - 04 Nov	SWISS
30 Oct - 06 Nov	SWISS
31 Oct - 07 Nov	SWISS
28 Oct - 31 Oct	ITA Airways
28 Oct - 30 Oct	SWISS
29 Oct - 31 Oct	ITA Airways
28 Oct - 28 Oct	ITA Airways
31 Oct - 31 Oct	Aer Lingus

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 $800

Return flights