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

Return flights

14 Aug - 11 Sep	Austrian Airlines
25 Aug - 10 Sep	Icelandair
21 Aug - 27 Aug	Icelandair
28 Aug - 03 Sep	Icelandair
24 Aug - 30 Aug	Scandinavian Airlines
14 Aug - 27 Aug	Scandinavian Airlines
20 Aug - 02 Sep	Scandinavian Airlines
24 Aug - 02 Sep	Icelandair
29 Aug - 12 Sep	Icelandair
18 Aug - 25 Aug	Icelandair
18 Aug - 08 Sep	Icelandair
04 Aug - 18 Sep	Icelandair
12 Aug - 20 Aug	Icelandair
06 Aug - 02 Sep	Icelandair
13 Aug - 22 Aug	Icelandair
06 Aug - 03 Sep	TAP
23 Aug - 26 Aug	Scandinavian Airlines
12 Aug - 28 Aug	Icelandair
11 Aug - 21 Aug	Icelandair
11 Aug - 25 Aug	TAP

Also check the deals for one-way flights from Newark to Istanbul 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 Newark to Istanbul in August from 508€

Return flights