Cheapest return LCY–EWR flights, September

AirHint found the following cheapest return flights from London (LCY) to Newark (EWR) in September 2026 (see full year).

Return flights

21 Sep - 30 Sep Lufthansa
16 Sep - 27 Sep SWISS
30 Sep - 05 Oct SWISS
30 Sep - 06 Oct Lufthansa
04 Sep - 17 Sep SWISS
25 Sep - 28 Sep SWISS
09 Sep - 26 Sep Lufthansa
02 Sep - 08 Sep Delta
04 Sep - 07 Sep SWISS
30 Sep - 04 Oct SWISS
10 Sep - 26 Sep SWISS
19 Sep - 26 Sep SWISS
05 Sep - 03 Oct SWISS
03 Sep - 14 Sep Lufthansa
23 Sep - 03 Oct Lufthansa
06 Sep - 03 Oct SWISS
27 Sep - 07 Oct Aer Lingus
28 Sep - 02 Oct Aer Lingus

Also check the deals for one-way flights from London to Newark in September.

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