Cheapest return flights from London to Newark in September from 417€

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

10 Sep - 16 Sep SWISS
09 Sep - 16 Sep SWISS
25 Sep - 16 Oct TAP
10 Sep - 24 Sep SWISS
17 Sep - 22 Sep SWISS
17 Sep - 01 Oct SWISS
10 Sep - 15 Oct TAP
13 Sep - 04 Oct TAP
29 Sep - 15 Oct TAP
09 Sep - 23 Sep Austrian Airlines direct
24 Sep - 29 Sep Austrian Airlines direct
17 Sep - 24 Sep Austrian Airlines direct
03 Sep - 24 Sep Austrian Airlines direct
10 Sep - 24 Sep Austrian Airlines direct
03 Sep - 16 Sep Austrian Airlines direct
24 Sep - 01 Oct Austrian Airlines direct
22 Sep - 13 Oct TAP
25 Sep - 14 Oct TAP
29 Sep - 14 Oct TAP
29 Sep - 08 Oct TAP

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.

Book a cheap hotel in Newark

Cheap car rent in Newark