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

Return flights

18 Mar - 24 Mar	Icelandair
17 Mar - 24 Mar	Icelandair
09 Mar - 16 Mar	Icelandair
21 Mar - 28 Mar	Icelandair
10 Mar - 23 Mar	SWISS
06 Mar - 15 Mar	Air Canada
08 Mar - 15 Mar	Icelandair
09 Mar - 09 Apr	KLM
10 Mar - 16 Mar	KLM
02 Mar - 21 Mar	KLM
02 Mar - 16 Mar	KLM
22 Mar - 02 Apr	KLM
26 Mar - 03 Apr	Air Canada
09 Mar - 12 Apr	KLM
26 Mar - 09 Apr	Air Canada
26 Mar - 05 Apr	Air Canada
27 Mar - 03 Apr	Air Canada
28 Mar - 12 Apr	Porter Airlines (Canada) Ltd
24 Mar - 04 Apr	SWISS
26 Mar - 06 Apr	Etihad Airways

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

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 March from $540

Return flights