Cheapest return flights from Seattle to Istanbul in May from 800€

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 - 10 May Hawaiian Airlines
07 May - 27 May Hawaiian Airlines
13 May - 20 Jun WestJet
25 May - 04 Jun Hawaiian Airlines
26 May - 02 Jun Alaska Airlines
17 May - 01 Jun Icelandair
22 May - 29 May Icelandair
07 May - 27 May Turkish Airlines direct
26 May - 31 May WestJet
25 May - 31 May Icelandair
15 May - 27 Jun Turkish Airlines direct
22 May - 29 May Turkish Airlines direct
03 May - 10 May Turkish Airlines direct
13 May - 20 Jun Turkish Airlines direct
31 May - 29 Jun WestJet
31 May - 30 Jun WestJet
25 May - 04 Jun Turkish Airlines direct
26 May - 02 Jun Turkish Airlines direct
26 May - 31 May Turkish Airlines direct
25 May - 31 May 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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