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

Return flights

13 May - 17 May	SWISS
11 May - 17 May	SWISS
05 May - 26 May	Aer Lingus
12 May - 17 May	SWISS
14 May - 28 May	Aer Lingus
15 May - 29 May	Aer Lingus
07 May - 11 May	Lufthansa
01 May - 04 May	Lufthansa
13 May - 16 May	Lufthansa
01 May - 09 May	Lufthansa
08 May - 02 Jun	Aer Lingus
31 May - 03 Jun	SWISS
09 May - 09 Jun	SWISS
15 May - 05 Jun	Lufthansa
31 May - 08 Jun	SWISS
22 May - 05 Jun	Aer Lingus
29 May - 03 Jun	SWISS
21 May - 04 Jun	SWISS
28 May - 02 Jun	Aer Lingus
31 May - 05 Jun	Aer Lingus

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 374€

Return flights