Cheapest return flights from London to Newark in September from $473

Best time to book flights for London (LHR) to Newark (EWR) flights at AirHint

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

Return flights

18 Sep - 26 Sep United
18 Sep - 22 Sep SWISS
18 Sep - 23 Sep SWISS
18 Sep - 22 Sep Finnair direct
11 Sep - 22 Sep SWISS
09 Sep - 30 Sep SWISS
10 Sep - 22 Sep Finnair direct
09 Sep - 30 Sep Finnair direct
15 Sep - 24 Sep Finnair direct
15 Sep - 22 Sep Finnair direct
18 Sep - 21 Oct TAP
25 Sep - 02 Oct British Airways direct
17 Sep - 01 Oct Delta
20 Sep - 01 Oct British Airways direct
17 Sep - 01 Oct Austrian Airlines direct
09 Sep - 01 Oct Austrian Airlines direct
28 Sep - 02 Oct British Airways direct
24 Sep - 02 Oct British Airways direct
24 Sep - 01 Oct Air Canada
25 Sep - 07 Oct Austrian Airlines direct

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