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

Return flights

18 May - 28 May	SWISS
11 May - 28 May	SWISS
15 May - 19 May	Delta
29 May - 16 Jun	Delta
25 May - 02 Jun	SWISS
04 May - 10 May	SWISS
25 May - 28 May	SWISS
07 May - 18 May	SWISS
22 May - 26 May	Delta
22 May - 27 May	Delta
18 May - 21 May	SWISS
18 May - 24 May	SWISS
24 May - 02 Jun	Delta
27 May - 03 Jun	ITA Airways
28 May - 03 Jun	ITA Airways
16 May - 06 Jun	ITA Airways
29 May - 07 Jun	ITA Airways
23 May - 06 Jun	ITA Airways
28 May - 01 Jun	ITA Airways
28 May - 11 Jun	ITA Airways

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 $581

Return flights