Cheapest return flights from Washington to Istanbul in October from $629

Best time to book flights for Washington (IAD) to Istanbul (IST) flights at AirHint

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

Return flights

25 Oct - 08 Nov Icelandair
14 Oct - 18 Oct Icelandair
06 Oct - 13 Oct Icelandair
28 Oct - 11 Nov Delta
28 Oct - 11 Nov Turkish Airlines direct
25 Oct - 08 Nov Turkish Airlines direct
14 Oct - 18 Oct Turkish Airlines direct

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

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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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