Cheapest return flights from London to Newark in September from $508

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

Return flights

17 Sep - 21 Sep SWISS
24 Sep - 29 Sep SWISS
17 Sep - 22 Sep SWISS
18 Sep - 22 Sep SWISS
04 Sep - 09 Sep SWISS
19 Sep - 23 Sep SWISS
19 Sep - 26 Sep SWISS
11 Sep - 19 Sep SWISS
26 Sep - 09 Oct Delta
21 Sep - 28 Sep Aer Lingus
14 Sep - 23 Sep Aer Lingus
24 Sep - 08 Oct SWISS

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

Powered by

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 Newark

Cheap car rent in Newark

Feel free to contact us with any feedback or request another flight research.