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

Return flights

09 May - 14 May	SWISS
14 May - 19 May	SWISS
01 May - 10 May	SWISS
15 May - 19 May	SWISS
13 May - 19 May	SWISS
11 May - 17 May	SWISS
05 May - 12 May	SWISS
01 May - 07 May	SWISS
05 May - 13 May	SWISS
06 May - 14 May	SWISS
26 May - 06 Jun	Delta
27 May - 04 Jun	SWISS
27 May - 02 Jun	SWISS
30 May - 04 Jun	SWISS
29 May - 04 Jun	SWISS
29 May - 02 Jun	SWISS
29 May - 09 Jun	SWISS
22 May - 01 Jun	Delta
28 May - 04 Jun	Delta
20 May - 01 Jun	SWISS

Also check the deals for one-way flights from London to Newark 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 London to Newark in May from $526

Return flights