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

Return flights

06 May - 18 May	TAP
07 May - 14 May	TAP
07 May - 12 May	TAP
05 May - 19 May	TAP
06 May - 14 May	TAP
14 May - 21 May	TAP
07 May - 21 May	TAP
15 May - 19 May	TAP
15 May - 18 May	TAP
07 May - 17 May	TAP
14 May - 06 Jun	TAP
11 May - 06 Jun	TAP
12 May - 06 Jun	TAP
15 May - 06 Jun	TAP
12 May - 02 Jun	TAP
13 May - 06 Jun	Iberia	direct
11 May - 06 Jun	British Airways	direct
12 May - 06 Jun	Iberia	direct
15 May - 13 Jun	Aer Lingus
18 May - 13 Jun	Aer Lingus

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 $401

Return flights