Cheapest return flights from New York to London in September from $417

Best time to book flights for New York (NYC) to London (LHR) flights at AirHint

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

Return flights

12 Sep - 14 Sep Scandinavian Airlines
26 Sep - 28 Sep Scandinavian Airlines
23 Sep - 07 Oct Icelandair
23 Sep - 22 Oct Icelandair
27 Sep - 10 Oct Icelandair
25 Sep - 08 Oct Icelandair
26 Sep - 06 Oct Icelandair
24 Sep - 05 Oct Icelandair
08 Sep - 24 Sep Scandinavian Airlines
10 Sep - 21 Sep Scandinavian Airlines
23 Sep - 30 Sep Icelandair
08 Sep - 14 Sep Scandinavian Airlines
10 Sep - 14 Sep Scandinavian Airlines
09 Sep - 18 Sep Scandinavian Airlines
16 Sep - 25 Sep Scandinavian Airlines
07 Sep - 14 Sep Scandinavian Airlines
23 Sep - 08 Oct Scandinavian Airlines
17 Sep - 01 Oct Scandinavian Airlines
30 Sep - 07 Oct Icelandair
03 Sep - 01 Oct Scandinavian Airlines

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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