Cheapest return flights from New York to London in September from 459€

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

19 Sep - 29 Sep Icelandair
24 Sep - 29 Sep SWISS
26 Sep - 02 Oct Icelandair
26 Sep - 03 Oct Icelandair
26 Sep - 30 Sep SWISS
19 Sep - 22 Sep SWISS
28 Sep - 02 Oct Icelandair
09 Sep - 24 Sep Icelandair
10 Sep - 21 Sep Icelandair
03 Sep - 08 Sep Icelandair
15 Sep - 21 Sep Icelandair
07 Sep - 13 Sep Icelandair
27 Sep - 04 Oct SWISS
02 Sep - 09 Sep Icelandair
15 Sep - 14 Oct Icelandair
26 Sep - 02 Oct jetBlue direct
28 Sep - 02 Oct jetBlue direct
22 Sep - 03 Oct Icelandair
23 Sep - 29 Oct Icelandair
26 Sep - 03 Oct jetBlue direct

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