AirHint found the following cheapest return flights from Cheju (CJU) to Istanbul (IST) in March 2026 (see full year).
Return flights
| 30 Mar - 12 Apr | Air China | ||
| 03 Mar - 09 Mar | Korean Air | ||
| 31 Mar - 12 Apr | Singapore Airlines | ||
| 17 Mar - 22 Apr | Korean Air | ||
| 25 Mar - 01 Apr | Korean Air | ||
| 25 Mar - 29 Apr | Asiana Airlines |
Also check the deals for one-way flights from Cheju to Istanbul in March.
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