Cheapest one-way flights from Seattle to Istanbul in October from 288€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Istanbul (IST) in October 2025 (see full year).

One-Way flights

29 Oct Alaska Airlines
23 Oct Alaska Airlines
31 Oct WestJet
26 Oct Alaska Airlines
21 Oct WestJet
23 Oct Turkish Airlines direct
29 Oct Turkish Airlines direct
21 Oct Turkish Airlines direct
26 Oct Turkish Airlines direct
30 Oct Turkish Airlines direct

Also check the deals for return flights from Seattle to Istanbul in October.

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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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