Cheapest return flights from New York to London in September from $429

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

Return flights

29 Sep - 10 Oct Norse Atlantic Airways (UK)
27 Sep - 07 Oct Norse Atlantic Airways (UK)
24 Sep - 01 Oct SWISS
09 Sep - 16 Sep Air Europa
22 Sep - 30 Sep Norse Atlantic Airways (UK) direct
22 Sep - 24 Sep Norse Atlantic Airways (UK) direct
17 Sep - 24 Sep Icelandair
29 Sep - 10 Oct Norse Atlantic Airways (UK) direct
22 Sep - 26 Sep Norse Atlantic Airways (UK) direct
24 Sep - 08 Oct SWISS
24 Sep - 30 Sep Austrian Airlines
11 Sep - 15 Sep Aer Lingus
18 Sep - 25 Sep Icelandair
16 Sep - 22 Sep Aer Lingus
25 Sep - 26 Sep Norse Atlantic Airways (UK) direct
25 Sep - 02 Oct Air Europa
24 Sep - 02 Oct British Airways direct
24 Sep - 07 Oct SWISS
21 Sep - 11 Oct Norse Atlantic Airways (UK)
25 Sep - 15 Oct Norse Atlantic Airways (UK)

Also check the deals for one-way flights from New York 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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