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	Lufthansa
13 May - 19 May	Lufthansa
04 May - 11 May	Lufthansa
06 May - 19 May	Lufthansa
13 May - 18 May	Lufthansa
01 May - 07 May	Lufthansa
12 May - 17 May	Lufthansa
07 May - 14 May	Lufthansa
11 May - 17 May	Lufthansa
13 May - 17 May	Lufthansa
11 May - 08 Jun	KLM
04 May - 07 Jun	KLM
12 May - 07 Jun	KLM
15 May - 01 Jun	KLM
13 May - 03 Jun	KLM
20 May - 03 Jun	KLM
27 May - 03 Jun	KLM
01 May - 30 Jun	Lufthansa
24 May - 04 Jun	Lufthansa
26 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 515€

Return flights