Cheapest return flights from Washington to Istanbul in December from $722

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

Return flights

02 Dec - 11 Dec Aer Lingus
08 Dec - 22 Dec TAP
01 Dec - 21 Dec Aer Lingus
24 Dec - 07 Jan Lufthansa
23 Dec - 06 Jan TAP
19 Dec - 02 Jan Air Canada
18 Dec - 11 Jan Icelandair
23 Dec - 30 Dec TAP
16 Dec - 30 Dec SWISS

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

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.

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