Cheapest return flights from Seattle to Istanbul in June from $778

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

Return flights

08 Jun - 22 Jun Icelandair
12 Jun - 19 Jun Icelandair
11 Jun - 18 Jun KLM
04 Jun - 12 Jun KLM
01 Jun - 15 Jun KLM
17 Jun - 27 Jun KLM
14 Jun - 21 Jun KLM
15 Jun - 22 Jun KLM
17 Jun - 24 Jun KLM
04 Jun - 03 Jul Icelandair
05 Jun - 03 Jul Icelandair
12 Jun - 30 Jun Icelandair
20 Jun - 18 Jul Icelandair
26 Jun - 05 Jul KLM
28 Jun - 12 Jul Air France
22 Jun - 01 Jul WestJet
22 Jun - 01 Jul Turkish Airlines direct
04 Jun - 03 Jul Turkish Airlines direct
05 Jun - 03 Jul Turkish Airlines direct
28 Jun - 12 Jul Turkish Airlines direct

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

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