Cheapest return flights from Washington to Istanbul in December from $618

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 December 2025 (see full year).

Return flights

08 Dec - 22 Dec Icelandair
11 Dec - 25 Dec Delta
25 Dec - 08 Jan Delta
22 Dec - 05 Jan Icelandair
08 Dec - 22 Dec Turkish Airlines direct
11 Dec - 25 Dec Turkish Airlines direct
25 Dec - 08 Jan Turkish Airlines direct
22 Dec - 05 Jan Turkish Airlines direct

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

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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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