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

Return flights

02 May - 09 May	Air Canada
13 May - 20 May	Icelandair
10 May - 25 May	Air Canada
17 May - 27 May	Air Canada
27 May - 30 May	Air Canada
13 May - 18 May	Aer Lingus
31 May - 06 Jun	Air Canada
08 May - 16 May	TAP
23 May - 06 Jun	Air Canada
11 May - 21 May	Air Canada
10 May - 16 May	TAP
05 May - 12 May	TAP
28 May - 04 Jun	Air Canada
28 May - 10 Jun	Air Canada
26 May - 10 Jun	Iberia
19 May - 10 Jun	TAP
23 May - 07 Jun	Icelandair
23 May - 08 Jun	FrenchBee
22 May - 03 Jun	TAP
23 May - 02 Jun	Iberia

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 368€

Return flights