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

Return flights

06 May - 12 May	Icelandair
07 May - 12 May	Icelandair
06 May - 13 May	Icelandair
06 May - 16 May	Icelandair
01 May - 13 May	Icelandair
06 May - 11 May	Icelandair
02 May - 07 May	Icelandair
11 May - 16 May	Icelandair
01 May - 06 May	Icelandair
06 May - 10 May	Icelandair
01 May - 30 Jun	Icelandair
16 May - 16 Jun	Icelandair
13 May - 03 Jun	Icelandair
28 May - 01 Jun	Scandinavian Airlines
11 May - 08 Jun	Icelandair
15 May - 01 Jun	Icelandair
27 May - 01 Jun	Scandinavian Airlines
16 May - 06 Jun	Icelandair
12 May - 07 Jun	Icelandair
26 May - 02 Jun	Icelandair

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 423€

Return flights