Cheapest return flights from Newark to London in September from 446€

Best time to book flights for Newark (EWR) to London (LGW) flights at AirHint

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

Return flights

22 Sep - 01 Oct Icelandair
14 Sep - 30 Sep Icelandair
08 Sep - 23 Sep Icelandair
09 Sep - 23 Sep Icelandair
29 Sep - 19 Oct Icelandair
22 Sep - 26 Sep TAP
25 Sep - 02 Oct FrenchBee
25 Sep - 28 Sep FrenchBee
05 Sep - 07 Sep Icelandair
13 Sep - 21 Sep FrenchBee
14 Sep - 21 Sep FrenchBee
19 Sep - 21 Sep FrenchBee
06 Sep - 14 Sep FrenchBee
26 Sep - 03 Oct Turkish Airlines

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

Skyscanner

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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