AirHint found the following cheapest one-way flights from Seoul (GMP) to Istanbul (IST) in April 2026 (see full year).
One-Way flights
| 17 Apr | Asiana Airlines | ||
| 28 Apr | Parata Air | ||
| 29 Apr | Air China | ||
| 23 Apr | Air China | ||
| 27 Apr | Air China | ||
| 16 Apr | Jeju Air | ||
| 30 Apr | Air China | ||
| 20 Apr | Parata Air | ||
| 22 Apr | Air Busan | ||
| 25 Apr | Air Busan |
Also check the deals for return flights from Seoul to Istanbul in April.
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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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