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

Return flights

15 May - 22 May	Iberia
12 May - 18 May	British Airways
13 May - 21 May	British Airways
08 May - 18 May	British Airways
15 May - 29 May	Iberia
03 May - 06 May	KLM
13 May - 20 May	British Airways
27 May - 31 May	British Airways
29 May - 31 May	British Airways
25 May - 31 May	SWISS
19 May - 02 Jun	Aer Lingus
18 May - 05 Jun	KLM
29 May - 02 Jun	Aer Lingus
28 May - 08 Jun	Aer Lingus
28 May - 05 Jun	KLM
16 May - 03 Jun	ITA Airways
27 May - 08 Jun	ITA Airways
28 May - 07 Jun	ITA Airways
23 May - 06 Jun	ITA Airways
28 May - 09 Jun	KLM

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 $602

Return flights