Cheapest return flights from London to New York in September from $507

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

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

Return flights

09 Sep - 16 Sep SWISS
02 Sep - 16 Sep SWISS
26 Sep - 29 Sep Delta
14 Sep - 21 Sep Delta
14 Sep - 23 Sep Delta
10 Sep - 23 Sep Delta
15 Sep - 22 Sep Delta
17 Sep - 23 Sep SWISS
16 Sep - 23 Sep SWISS
24 Sep - 30 Sep SWISS
24 Sep - 08 Oct SWISS
09 Sep - 08 Oct SWISS
10 Sep - 01 Oct SWISS
15 Sep - 08 Oct KLM
21 Sep - 08 Oct KLM
23 Sep - 15 Oct SWISS
03 Sep - 06 Oct SWISS
08 Sep - 01 Oct SWISS
30 Sep - 07 Oct SWISS
22 Sep - 01 Oct SWISS

Also check the deals for one-way 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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