AirHint found the following cheapest return flights from London (LHR) to New York (JFK) in May 2026 (see full year).

Return flights

04 May - 21 May	Aer Lingus
05 May - 21 May	Aer Lingus
08 May - 23 May	Aer Lingus
11 May - 25 May	Aer Lingus
13 May - 19 May	SWISS
01 May - 24 May	Aer Lingus
01 May - 15 May	Aer Lingus
09 May - 18 May	SWISS
07 May - 12 May	SWISS
12 May - 18 May	SWISS
22 May - 05 Jun	Aer Lingus
25 May - 01 Jun	Aer Lingus
25 May - 05 Jun	Aer Lingus
27 May - 02 Jun	SWISS
15 May - 15 Jun	Lufthansa
23 May - 06 Jun	Aer Lingus
20 May - 02 Jun	Aer Lingus
21 May - 02 Jun	Aer Lingus
30 May - 06 Jun	SWISS
31 May - 05 Jun	Aer Lingus

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

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 May from 371€

Return flights