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

Return flights

28 Oct - 04 Nov	SWISS
13 Oct - 20 Oct	SWISS
01 Oct - 07 Oct	Icelandair
01 Oct - 06 Oct	Icelandair
10 Oct - 18 Oct	Icelandair
10 Oct - 14 Oct	Icelandair
09 Oct - 13 Oct	Scandinavian Airlines
14 Oct - 21 Oct	Icelandair
03 Oct - 12 Oct	Scandinavian Airlines
01 Oct - 05 Nov	Icelandair
01 Oct - 19 Nov	Icelandair
03 Oct - 13 Oct	Icelandair
18 Oct - 01 Nov	Icelandair
02 Oct - 13 Oct	Icelandair
23 Oct - 01 Nov	Icelandair
25 Oct - 01 Nov	Scandinavian Airlines
24 Oct - 02 Nov	Scandinavian Airlines
04 Oct - 30 Nov	Spirit Airlines
13 Oct - 30 Nov	FrenchBee
09 Oct - 09 Nov	Icelandair

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 470€

Return flights