Cheapest return flights from Seattle to Istanbul in July from $937

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

Return flights

28 Jul - 11 Aug Air France
01 Jul - 15 Jul KLM
31 Jul - 14 Aug KLM
07 Jul - 18 Jul Lufthansa
24 Jul - 10 Aug Lufthansa
02 Jul - 12 Jul KLM
28 Jul - 11 Aug Turkish Airlines direct
31 Jul - 14 Aug Turkish Airlines direct
01 Jul - 15 Jul Turkish Airlines direct
02 Jul - 12 Jul Turkish Airlines direct
07 Jul - 18 Jul Turkish Airlines direct

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

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