Cheapest one-way flights from New York to London in September from $238

Best time to book flights for New York (JFK) to London (LGW) flights at AirHint

AirHint found the following cheapest one-way flights from New York (JFK) to London (LGW) in September 2025 (see full year).

One-Way flights

17 Sep Norse Atlantic Airways (UK) direct
23 Sep Norse Atlantic Airways (UK) direct
11 Sep Norse Atlantic Airways (UK) direct
12 Sep Norse Atlantic Airways (UK) direct
20 Sep Norse Atlantic Airways (UK) direct
18 Sep Norse Atlantic Airways (UK) direct
30 Sep Norse Atlantic Airways (UK) direct
04 Sep Norse Atlantic Airways (UK) direct
02 Sep Icelandair
01 Sep Icelandair

Also check the deals for return 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.

Book a cheap hotel in London

Cheap car rent in London