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

Return flights

13 Aug - 20 Aug	Air Canada
31 Aug - 04 Sep	TAP
08 Aug - 13 Aug	Air Canada
19 Aug - 04 Sep	TAP
16 Aug - 30 Sep	Icelandair
11 Aug - 28 Aug	FrenchBee
13 Aug - 19 Aug	Air Canada
19 Aug - 02 Sep	Air Canada
07 Aug - 26 Aug	FrenchBee
11 Aug - 02 Sep	Icelandair
12 Aug - 13 Aug	Air Canada
25 Aug - 01 Sep	Air Canada
12 Aug - 11 Sep	Spirit Airlines
08 Aug - 15 Aug	Air Canada
23 Aug - 07 Sep	Icelandair
25 Aug - 07 Sep	Icelandair
13 Aug - 25 Aug	Air Canada
13 Aug - 05 Sep	Spirit Airlines
22 Aug - 25 Aug	Air Canada
23 Aug - 28 Aug	Icelandair

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

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Newark to London in August from 347€

Return flights