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

Return flights

11 Feb - 25 Feb	Icelandair
09 Feb - 18 Feb	Icelandair
03 Feb - 17 Feb	British Airways
06 Feb - 20 Feb	KLM
19 Feb - 14 Mar	Air France
22 Feb - 14 Mar	Air France
15 Feb - 21 Feb	Air France
19 Feb - 14 Mar	Turkish Airlines	direct
22 Feb - 14 Mar	Turkish Airlines	direct
09 Feb - 18 Feb	Turkish Airlines	direct
15 Feb - 21 Feb	Turkish Airlines	direct

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 $620

Return flights