Cheapest return flights from Seattle to Istanbul in May from 797€

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

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

Return flights

03 May - 08 May Icelandair
21 May - 26 May Scandinavian Airlines
01 May - 05 May Icelandair
09 May - 14 May Spirit Airlines
06 May - 11 May Icelandair
15 May - 20 May Spirit Airlines
03 May - 08 May Turkish Airlines direct
27 May - 01 Jun WestJet
01 May - 05 May Turkish Airlines direct
09 May - 14 May Turkish Airlines direct
12 May - 17 May Spirit Airlines
27 May - 01 Jun Turkish Airlines direct

Also check the deals for one-way flights from Seattle to Istanbul in May.

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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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