Cheapest one-way flights from London to New York in September from $281

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

One-Way flights

14 Sep British Airways
16 Sep ITA Airways
24 Sep ITA Airways
09 Sep ITA Airways
08 Sep ITA Airways
11 Sep British Airways
15 Sep KLM
26 Sep KLM
10 Sep ITA Airways
22 Sep ITA Airways

Also check the deals for return flights from London to New York 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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