Cheapest return flights from London to Newark in September from $421

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

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

Return flights

11 Sep - 18 Sep Brussels Airlines direct
01 Sep - 24 Sep Icelandair
26 Sep - 30 Sep Icelandair
15 Sep - 08 Oct Icelandair
02 Sep - 16 Sep Icelandair
06 Sep - 09 Sep Icelandair
09 Sep - 14 Sep Icelandair
04 Sep - 07 Sep Icelandair
07 Sep - 21 Sep Icelandair
02 Sep - 20 Sep Icelandair
07 Sep - 20 Sep Icelandair
22 Sep - 15 Oct TAP
21 Sep - 08 Oct Icelandair
30 Sep - 22 Oct TAP
23 Sep - 15 Oct TAP
26 Sep - 15 Oct TAP
27 Sep - 03 Oct Scandinavian Airlines
10 Sep - 01 Oct Scandinavian Airlines
18 Sep - 13 Oct TAP
03 Sep - 06 Oct Vueling Airlines

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