Cheapest return flights from Washington to Istanbul in December from 707€

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

02 Dec - 16 Dec Delta
05 Dec - 19 Dec Delta
24 Dec - 31 Dec Icelandair
02 Dec - 16 Dec Turkish Airlines direct
05 Dec - 19 Dec Turkish Airlines direct
18 Dec - 08 Jan Lufthansa
24 Dec - 31 Dec Turkish Airlines direct
18 Dec - 08 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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