Cheapest return flights from London to New York in September from $459

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

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

Return flights

04 Sep - 17 Sep SWISS
10 Sep - 23 Sep SWISS
10 Sep - 17 Sep Air Canada
10 Sep - 22 Sep SWISS
07 Sep - 16 Sep SWISS
14 Sep - 20 Sep SWISS
18 Sep - 29 Sep Lufthansa
10 Sep - 21 Sep SWISS
17 Sep - 20 Sep SWISS
08 Sep - 19 Sep SWISS
26 Sep - 06 Oct Delta
22 Sep - 08 Oct Delta
27 Sep - 02 Oct Virgin Atlantic
10 Sep - 08 Oct Delta
17 Sep - 08 Oct Delta
17 Sep - 01 Oct Delta
22 Sep - 01 Oct Delta
12 Sep - 06 Oct Delta
26 Sep - 02 Oct Delta
22 Sep - 02 Oct Delta

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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