Cheapest one-way flights from New York to London in September from $277

AirHint found the following cheapest one-way flights from New York (LGA) to London (STN) in September 2026 (see full year).

One-Way flights

15 Sep Air Canada
07 Sep Air Canada
14 Sep Air Canada
06 Sep Lufthansa
08 Sep Air Canada
10 Sep Lufthansa
11 Sep Air Canada
01 Sep Spirit Airlines
05 Sep Spirit Airlines
04 Sep Porter Airlines (Canada) Ltd

Also check the deals for return 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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