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

Return flights

22 Oct - 27 Oct	Aer Lingus
20 Oct - 27 Oct	Aer Lingus
13 Oct - 27 Oct	Aer Lingus
02 Oct - 08 Oct	Aer Lingus
02 Oct - 07 Oct	Aer Lingus
21 Oct - 27 Oct	Aer Lingus
14 Oct - 14 Nov	Aer Lingus
09 Oct - 27 Oct	Aer Lingus
13 Oct - 19 Oct	Aer Lingus
22 Oct - 29 Oct	Aer Lingus
14 Oct - 19 Oct	Aer Lingus
31 Oct - 07 Nov	Aer Lingus
31 Oct - 14 Nov	Aer Lingus
30 Oct - 08 Nov	Aer Lingus
31 Oct - 08 Nov	Aer Lingus
30 Oct - 07 Nov	Aer Lingus
31 Oct - 30 Nov	Aer Lingus
02 Oct - 07 Nov	Aer Lingus
28 Oct - 20 Nov	SWISS
24 Oct - 09 Nov	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 $440

Return flights