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 | China Eastern | ||
| 16 Apr | Air Busan | ||
| 10 Apr | Air Busan | ||
| 09 Apr | Air Busan | ||
| 08 Apr | China Southern | ||
| 21 Apr | Air Busan | ||
| 15 Apr | Jin Air | ||
| 05 Apr | China Southern | ||
| 13 Apr | Air Busan | ||
| 01 Apr | China Southern |
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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