Cheapest return flights from New York to London in September from $491

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

21 Sep - 29 Sep TAP
29 Sep - 13 Oct TAP
21 Sep - 29 Sep jetBlue direct
07 Sep - 22 Sep Icelandair
21 Sep - 12 Oct Icelandair
26 Sep - 04 Oct Icelandair
26 Sep - 06 Oct Icelandair
18 Sep - 29 Sep TAP
05 Sep - 12 Sep jetBlue direct
12 Sep - 23 Sep jetBlue direct
10 Sep - 17 Sep Icelandair
05 Sep - 16 Sep Icelandair
05 Sep - 14 Sep Icelandair
05 Sep - 13 Sep Icelandair
21 Sep - 12 Oct British Airways direct
26 Sep - 04 Oct Finnair direct
26 Sep - 06 Oct Finnair direct
29 Sep - 13 Oct British Airways direct
23 Sep - 06 Oct Turkish Airlines

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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