AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (SAW) in February 2026 (see full year).

Return flights

09 Feb - 17 Feb	Icelandair
09 Feb - 18 Feb	Icelandair
06 Feb - 18 Feb	Icelandair
06 Feb - 16 Feb	Icelandair
16 Feb - 25 Feb	Icelandair
09 Feb - 16 Feb	Icelandair
08 Feb - 17 Feb	KLM
01 Feb - 25 Feb	KLM
01 Feb - 26 Feb	KLM
08 Feb - 16 Feb	KLM
17 Feb - 03 Mar	KLM
01 Feb - 04 Mar	KLM
22 Feb - 01 Mar	KLM
21 Feb - 01 Mar	KLM

Also check the deals for one-way flights from Seattle 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 Seattle to Istanbul in February from 437€

Return flights