Cheapest one-way flights from Seattle to Istanbul in May from $376

Best time to book flights for Seattle (SEA) to Istanbul (IST) flights at AirHint

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

One-Way flights

04 May Icelandair
25 May Icelandair
27 May Icelandair
20 May Icelandair
16 May Frontier Airlines
20 May Turkish Airlines direct
04 May Turkish Airlines direct
16 May Turkish Airlines direct
15 May Turkish Airlines direct
17 May Qatar Airways

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

Skyscanner

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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