Cheapest return flights from London to New York in September from 557€

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

08 Sep - 22 Sep KLM
23 Sep - 02 Oct KLM
23 Sep - 29 Sep KLM
16 Sep - 24 Sep Lufthansa
09 Sep - 23 Sep KLM
11 Sep - 16 Sep Lufthansa
17 Sep - 24 Sep SWISS
24 Sep - 30 Sep SWISS
23 Sep - 30 Sep SWISS
22 Sep - 06 Oct KLM
22 Sep - 29 Sep KLM
24 Sep - 29 Sep KLM
09 Sep - 07 Oct Delta
23 Sep - 01 Oct KLM
24 Sep - 01 Oct KLM
22 Sep - 01 Oct KLM
17 Sep - 01 Oct KLM
23 Sep - 08 Oct KLM
24 Sep - 04 Oct KLM
22 Sep - 05 Oct KLM

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.

Book a cheap hotel in New York

Cheap car rent in New York