Cheapest return flights from Newark to London in September from $573

AirHint found the following cheapest return flights from Newark (EWR) to London (LGW) in September 2026 (see full year).

Return flights

29 Sep - 08 Oct TAP
25 Sep - 29 Sep TAP
25 Sep - 28 Sep TAP
22 Sep - 28 Sep TAP
17 Sep - 22 Sep Iberia
08 Sep - 15 Sep TAP
25 Sep - 03 Oct TAP
16 Sep - 30 Sep Icelandair
29 Sep - 13 Oct Icelandair
01 Sep - 01 Oct TAP
02 Sep - 09 Sep Icelandair
22 Sep - 29 Sep Icelandair
27 Sep - 03 Oct TAP
11 Sep - 21 Sep TAP
18 Sep - 26 Sep Delta
24 Sep - 06 Oct Icelandair
16 Sep - 03 Oct Icelandair
17 Sep - 03 Oct Icelandair

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

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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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