Cheapest return flights from Newark to London in September from $510

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

Return flights

24 Sep - 01 Oct Iberia
17 Sep - 24 Sep Iberia
17 Sep - 25 Sep Iberia
01 Sep - 15 Sep Iberia
06 Sep - 16 Sep Iberia
04 Sep - 13 Sep TAP
09 Sep - 14 Sep Iberia
02 Sep - 07 Sep Iberia
03 Sep - 10 Sep Iberia
06 Sep - 12 Sep Aer Lingus
11 Sep - 08 Oct Air France
13 Sep - 26 Sep Iberia

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

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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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