AirHint found the following cheapest return flights from Washington (IAD) to Istanbul (IST) in February 2026 (see full year).

Return flights

25 Feb - 02 Mar	Icelandair
19 Feb - 04 Mar	Scandinavian Airlines
28 Feb - 06 Mar	KLM
22 Feb - 08 Mar	Icelandair
26 Feb - 08 Mar	KLM
25 Feb - 01 Mar	KLM
28 Feb - 08 Mar	KLM
20 Feb - 27 Feb	Austrian Airlines
19 Feb - 04 Mar	Turkish Airlines	direct
15 Feb - 23 Feb	TAP
28 Feb - 06 Mar	Turkish Airlines	direct
20 Feb - 25 Feb	Turkish Airlines	direct
15 Feb - 18 Feb	KLM
25 Feb - 02 Mar	Turkish Airlines	direct
18 Feb - 22 Feb	Turkish Airlines	direct
14 Feb - 26 Feb	KLM
16 Feb - 28 Feb	KLM
12 Feb - 19 Feb	Lufthansa
09 Feb - 23 Feb	Etihad Airways
09 Feb - 22 Feb	Etihad Airways

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

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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Cheapest return flights from Washington to Istanbul in February from 588€

Return flights