AirHint found the following cheapest return flights from Istanbul (IST) to Newark (EWR) in August 2025 (see full year).

Return flights

26 Aug - 16 Sep	Pegasus Airlines
26 Aug - 05 Sep	Pegasus Airlines
27 Aug - 08 Sep	AJet
27 Aug - 15 Sep	AJet
28 Aug - 08 Sep	AJet
28 Aug - 31 Aug	Pegasus Airlines
28 Aug - 01 Sep	AJet
27 Aug - 06 Sep	AJet
28 Aug - 07 Sep	Pegasus Airlines
28 Aug - 10 Sep	Pegasus Airlines
26 Aug - 31 Aug	Pegasus Airlines
26 Aug - 07 Sep	Pegasus Airlines
26 Aug - 30 Aug	Pegasus Airlines
19 Aug - 30 Aug	Delta
20 Aug - 30 Aug	Delta
25 Aug - 30 Aug	Delta
21 Aug - 25 Aug	AJet
21 Aug - 28 Aug	Pegasus Airlines
24 Aug - 30 Aug	Sichuan Airlines
19 Aug - 24 Aug	Pegasus Airlines

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

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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Cheapest return flights from Istanbul to Newark in August from 593€

Return flights