Cheapest return flights from Seattle to Istanbul in June from 671€

AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (IST) in June 2026 (see full year).

Return flights

01 Jun - 15 Jun KLM
21 Jun - 28 Jun KLM
17 Jun - 27 Jun Icelandair
22 Jun - 27 Jun SWISS
29 Jun - 11 Jul SWISS
16 Jun - 30 Jun Air France
19 Jun - 03 Jul Icelandair
20 Jun - 18 Jul KLM
21 Jun - 28 Jun Turkish Airlines direct
01 Jun - 15 Jun Turkish Airlines direct
19 Jun - 03 Jul Turkish Airlines direct
16 Jun - 30 Jun Turkish Airlines direct
29 Jun - 11 Jul Turkish Airlines direct
22 Jun - 27 Jun Turkish Airlines direct

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

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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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