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

Return flights

05 May - 12 May	Icelandair
07 May - 12 May	Icelandair
05 May - 20 May	Iberia
04 May - 07 May	Iberia
06 May - 13 May	Iberia
04 May - 13 May	Iberia
04 May - 20 May	Iberia
01 May - 04 May	Iberia
01 May - 05 May	Iberia
01 May - 11 May	Icelandair
25 May - 05 Jun	FrenchBee
14 May - 04 Jun	Iberia
26 May - 02 Jun	Iberia
25 May - 02 Jun	Iberia
28 May - 02 Jun	Iberia
28 May - 04 Jun	Iberia
28 May - 01 Jun	Aer Lingus
29 May - 05 Jun	Iberia
27 May - 19 Jun	TAP

Also check the deals for one-way flights from Newark 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 Newark to London in May from 458€

Return flights