Cheapest return flights from Washington to Istanbul in October from $669

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

06 Oct - 17 Oct Icelandair
20 Oct - 25 Oct Icelandair
01 Oct - 11 Oct Icelandair
01 Oct - 22 Oct Icelandair
01 Oct - 15 Oct Icelandair
04 Oct - 18 Oct Etihad Airways
10 Oct - 13 Oct Scandinavian Airlines
01 Oct - 22 Oct Turkish Airlines direct
06 Oct - 17 Oct Turkish Airlines direct
01 Oct - 15 Oct Turkish Airlines direct

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

Skyscanner

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul