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

Return flights

21 Oct - 28 Oct	Scandinavian Airlines
02 Oct - 09 Oct	Scandinavian Airlines
02 Oct - 15 Oct	Air Canada
01 Oct - 06 Oct	Scandinavian Airlines
14 Oct - 08 Nov	Finnair
16 Oct - 01 Nov	Scandinavian Airlines
15 Oct - 08 Nov	Iberia
01 Oct - 08 Oct	Finnair
11 Oct - 15 Oct	Scandinavian Airlines
03 Oct - 12 Oct	Iberia
18 Oct - 19 Oct	Air Canada
04 Oct - 09 Oct	Finnair
02 Oct - 10 Oct	Qatar Airways
31 Oct - 10 Nov	Qatar Airways
09 Oct - 01 Nov	Qatar Airways

Also check the deals for one-way flights from Washington 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 Washington to Istanbul in October from $711

Return flights