Cheapest one-way flights from Seattle to Istanbul in April from 348€

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 April 2025 (see full year).

One-Way flights

26 Apr Alaska Airlines
22 Apr Icelandair
01 Apr Hawaiian Airlines
03 Apr Alaska Airlines
03 Apr Turkish Airlines direct
22 Apr Turkish Airlines direct
15 Apr Turkish Airlines direct
01 Apr Turkish Airlines direct
26 Apr Turkish Airlines direct

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

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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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