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

Return flights

07 May - 13 May	Air Canada
06 May - 12 May	Aer Lingus
02 May - 12 May	Air Canada
08 May - 12 May	Air Canada
01 May - 05 May	Aer Lingus
02 May - 09 May	Air Canada
12 May - 19 May	Lufthansa
01 May - 09 May	Air Canada
08 May - 17 May	Air Canada
03 May - 09 May	Air Canada
29 May - 05 Jun	Lufthansa
30 May - 08 Jun	Air Canada
27 May - 03 Jun	Air Canada
27 May - 10 Jun	Lufthansa
25 May - 01 Jun	Lufthansa
24 May - 07 Jun	Aer Lingus
10 May - 06 Jun	TAP
26 May - 10 Jun	Finnair
20 May - 03 Jun	Icelandair
23 May - 02 Jun	FrenchBee

Also check the deals for one-way flights from New York to London 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 New York to London in May from 328€

Return flights