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

Return flights

06 Oct - 15 Oct	Scandinavian Airlines
20 Oct - 27 Oct	SWISS
08 Oct - 15 Oct	Scandinavian Airlines
27 Oct - 02 Nov	Austrian Airlines
16 Oct - 30 Oct	SWISS
05 Oct - 08 Oct	Scandinavian Airlines
17 Oct - 21 Oct	Scandinavian Airlines
08 Oct - 14 Oct	Scandinavian Airlines
20 Oct - 04 Nov	Scandinavian Airlines
07 Oct - 21 Oct	Scandinavian Airlines
22 Oct - 29 Oct	Air Canada
30 Oct - 06 Nov	Air Canada
02 Oct - 06 Oct	Scandinavian Airlines
19 Oct - 08 Nov	Air Canada
22 Oct - 15 Nov	TAP
21 Oct - 15 Nov	TAP
29 Oct - 22 Nov	TAP
22 Oct - 02 Nov	TAP
14 Oct - 12 Nov	TAP
31 Oct - 11 Nov	TAP

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

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 October from $526

Return flights