AirHint found the following cheapest return flights from London (LHR) to Newark (EWR) in August 2025 (see full year).

Return flights

28 Aug - 02 Sep	Finnair
28 Aug - 07 Sep	Finnair
28 Aug - 06 Sep	Aer Lingus
29 Aug - 22 Sep	Vueling Airlines
28 Aug - 05 Sep	Aer Lingus
28 Aug - 22 Sep	Scandinavian Airlines
26 Aug - 10 Sep	SWISS
28 Aug - 16 Sep	SWISS
29 Aug - 16 Sep	SWISS
26 Aug - 05 Sep	SWISS
13 Aug - 18 Aug	SWISS
13 Aug - 22 Aug	SWISS
13 Aug - 17 Aug	SWISS
12 Aug - 18 Aug	SWISS
12 Aug - 19 Aug	SWISS
20 Aug - 24 Aug	Brussels Airlines
14 Aug - 24 Aug	Brussels Airlines
13 Aug - 23 Aug	SWISS
12 Aug - 22 Aug	SWISS
12 Aug - 23 Aug	SWISS

Also check the deals for one-way flights from London to Newark in August.

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 August from 398€

Return flights