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

Return flights

07 May - 16 May	TAP
07 May - 10 May	TAP
14 May - 21 May	TAP
07 May - 20 May	Iberia
05 May - 12 May	Icelandair
12 May - 19 May	Icelandair
13 May - 19 May	Icelandair
07 May - 17 May	TAP
12 May - 20 May	TAP
04 May - 14 May	Icelandair
20 May - 02 Jun	Icelandair
14 May - 04 Jun	TAP
23 May - 04 Jun	Icelandair
27 May - 03 Jun	Icelandair
26 May - 09 Jun	TAP
25 May - 02 Jun	Icelandair
25 May - 08 Jun	Icelandair
30 May - 15 Jun	Icelandair
08 May - 12 Jun	TAP
24 May - 14 Jun	Icelandair

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 $507

Return flights