AirHint found the following cheapest one-way flights from Seattle (SEA) to Istanbul (IST) in November 2025 (see full year).
One-Way flights
| 21 Nov | WestJet | ||
| 20 Nov | Alaska Airlines | ||
| 14 Nov | Lufthansa | ||
| 09 Nov | Icelandair | ||
| 11 Nov | Lufthansa | ||
| 12 Nov | Lufthansa | ||
| 20 Nov | Turkish Airlines | direct | |
| 09 Nov | Turkish Airlines | direct | |
| 12 Nov | Turkish Airlines | direct |
Also check the deals for return flights from Seattle to Istanbul in November.
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