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

Return flights

06 May - 12 May	SWISS
04 May - 12 May	SWISS
04 May - 07 May	SWISS
04 May - 10 May	SWISS
04 May - 14 May	SWISS
11 May - 21 May	SWISS
22 May - 28 May	Virgin Atlantic
23 May - 28 May	Delta
11 May - 17 May	SWISS
09 May - 23 May	SWISS
31 May - 07 Jun	LOT
26 May - 01 Jun	British Airways
27 May - 03 Jun	British Airways
26 May - 04 Jun	British Airways
21 May - 01 Jun	British Airways
27 May - 04 Jun	British Airways
28 May - 02 Jun	ITA Airways
27 May - 02 Jun	British Airways
28 May - 03 Jun	ITA Airways
25 May - 02 Jun	SWISS

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 $644

Return flights