Cheapest return EWR–IST flights, September

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

Return flights

18 Sep - 30 Sep Scandinavian Airlines
18 Sep - 25 Sep Scandinavian Airlines
20 Sep - 27 Sep Scandinavian Airlines
04 Sep - 13 Sep Scandinavian Airlines
07 Sep - 26 Sep Scandinavian Airlines
02 Sep - 10 Sep Scandinavian Airlines
14 Sep - 21 Sep Scandinavian Airlines
04 Sep - 18 Sep Scandinavian Airlines
14 Sep - 24 Sep Scandinavian Airlines
21 Sep - 25 Sep Scandinavian Airlines
02 Sep - 07 Oct Scandinavian Airlines
28 Sep - 09 Oct Turkish Airlines direct
29 Sep - 09 Oct Turkish Airlines direct
09 Sep - 06 Oct Scandinavian Airlines
09 Sep - 06 Oct Turkish Airlines direct
25 Sep - 05 Oct Air France

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