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

Return flights

17 May - 06 Jun	Icelandair
19 May - 07 Jun	Icelandair
16 May - 30 May	Icelandair
24 May - 31 May	Icelandair
30 May - 07 Jun	Icelandair
17 May - 24 May	Icelandair
04 May - 11 May	Icelandair
22 May - 05 Jun	Icelandair
12 May - 19 May	Aer Lingus
14 May - 19 May	Icelandair
05 May - 28 May	Icelandair
15 May - 23 May	Icelandair
13 May - 06 Jun	Icelandair
05 May - 13 May	Icelandair
04 May - 18 May	Icelandair
12 May - 02 Jun	TAP
04 May - 08 Jun	TAP
18 May - 13 Jun	TAP
30 May - 15 Jun	TAP
28 May - 08 Jun	Aer Lingus

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Newark to London in May from $479

Return flights