Cheapest return flights from London to New York in September from $477

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 - 21 Sep United
11 Sep - 19 Sep United
05 Sep - 24 Sep Lufthansa
15 Sep - 19 Sep United
18 Sep - 27 Sep United
16 Sep - 21 Sep SWISS
17 Sep - 29 Sep SWISS
23 Sep - 28 Sep SWISS
16 Sep - 22 Sep SWISS
16 Sep - 26 Sep SWISS
15 Sep - 08 Oct SWISS
11 Sep - 01 Oct SWISS
10 Sep - 01 Oct SWISS
17 Sep - 14 Oct TAP
27 Sep - 05 Oct TAP
22 Sep - 01 Oct SWISS
18 Sep - 07 Oct TAP
23 Sep - 12 Oct TAP
28 Sep - 01 Oct United
15 Sep - 06 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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