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

Return flights

25 Aug - 22 Sep	Icelandair
20 Aug - 29 Sep	Aer Lingus
18 Aug - 08 Sep	Aer Lingus
20 Aug - 08 Sep	Aer Lingus
27 Aug - 04 Sep	Aer Lingus
18 Aug - 09 Sep	Aer Lingus
21 Aug - 09 Sep	Icelandair
20 Aug - 09 Sep	Aer Lingus
29 Aug - 04 Sep	Aer Lingus
29 Aug - 05 Sep	Scandinavian Airlines
27 Aug - 31 Aug	Ryanair
26 Aug - 31 Aug	Ryanair
12 Aug - 19 Aug	Brussels Airlines
29 Aug - 31 Aug	Ryanair
14 Aug - 21 Aug	Vueling Airlines
15 Aug - 25 Aug	Ryanair
07 Aug - 15 Aug	Ryanair
06 Aug - 15 Aug	Ryanair
07 Aug - 10 Aug	Ryanair
15 Aug - 20 Aug	Vueling Airlines

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 $462

Return flights