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

Return flights

14 Jul - 22 Jul	Air Canada
30 Jul - 06 Aug	Air Canada
09 Jul - 16 Jul	Air Canada
07 Jul - 16 Jul	Air Canada
22 Jul - 05 Aug	Air Canada
18 Jul - 26 Aug	Spirit Airlines
29 Jul - 07 Aug	Air Canada
01 Jul - 16 Jul	Air Canada
15 Jul - 22 Jul	Air Canada
10 Jul - 26 Aug	Spirit Airlines
07 Jul - 22 Jul	Air Canada
14 Jul - 26 Aug	Spirit Airlines
01 Jul - 09 Jul	Air Canada
19 Jul - 31 Aug	FrenchBee
30 Jul - 17 Aug	Icelandair
23 Jul - 29 Jul	Air Canada
09 Jul - 14 Jul	Air Canada
22 Jul - 29 Jul	Air Canada
21 Jul - 06 Aug	TAP
22 Jul - 06 Aug	TAP

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

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 Newark to London in July from $473

Return flights