Cheapest return flights from Seattle (SEA) to Istanbul (IST), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Sep 26 Sep Scandinavian Airlines
20 Sep 10 Oct Scandinavian Airlines
23 Sep 30 Sep Icelandair
27 Sep 27 Oct Icelandair
07 Sep 21 Sep Qatar Airways
20 Sep 16 Oct Qatar Airways
17 Sep 16 Oct Qatar Airways
01 Sep 18 Sep Qatar Airways
02 Sep 18 Sep Qatar Airways
18 Sep 16 Oct Qatar Airways
05 Sep 27 Oct Qatar Airways
19 Sep 18 Oct Icelandair
20 Sep 30 Oct KLM
02 Sep 30 Oct KLM
20 Sep 30 Oct Turkish Airlines
Direct Flight
02 Sep 12 Sep KLM
23 Sep 30 Sep Turkish Airlines
Direct Flight
07 Sep 21 Sep Turkish Airlines
Direct Flight
02 Sep 18 Sep Turkish Airlines
Direct Flight
01 Sep 18 Sep Turkish Airlines
Direct Flight
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Updated Jul 4, 2026.

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