Cheapest return flights from Seattle to Istanbul in June from 1020€

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 June 2025 (see full year).

Return flights

11 Jun - 16 Jun WestJet
17 Jun - 22 Jun WestJet
14 Jun - 19 Jun WestJet
20 Jun - 25 Jun Alaska Airlines
21 Jun - 28 Jun SWISS
02 Jun - 07 Jun Alaska Airlines
26 Jun - 01 Jul WestJet
29 Jun - 04 Jul Lufthansa
03 Jun - 21 Jun Lufthansa
11 Jun - 16 Jun Turkish Airlines direct
14 Jun - 25 Jun KLM
23 Jun - 28 Jun KLM
26 Jun - 26 Jul KLM
26 Jun - 01 Jul Turkish Airlines direct
26 Jun - 26 Jul Turkish Airlines direct
29 Jun - 04 Jul 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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