Cheapest one-way flights from Seattle to Istanbul in May from $362

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

27 May Icelandair
09 May Icelandair
31 May Frontier Airlines
30 May Hawaiian Airlines
22 May Icelandair
20 May Icelandair
20 May Turkish Airlines direct
09 May Turkish Airlines direct
22 May Turkish Airlines direct
27 May Turkish Airlines direct

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul