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

Return flights

13 May - 20 May	SWISS
12 May - 20 May	SWISS
11 May - 20 May	SWISS
04 May - 11 May	Lufthansa
04 May - 07 May	Lufthansa
05 May - 12 May	SWISS
14 May - 20 May	SWISS
12 May - 19 May	Lufthansa
07 May - 11 May	SWISS
15 May - 20 May	Lufthansa
25 May - 08 Jun	SWISS
26 May - 08 Jun	SWISS
26 May - 01 Jun	SWISS
29 May - 08 Jun	SWISS
13 May - 03 Jun	KLM
28 May - 01 Jun	Lufthansa
29 May - 01 Jun	Lufthansa
29 May - 09 Jun	SWISS
31 May - 16 Jun	Lufthansa
28 May - 04 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 501€

Return flights