AirHint found the following cheapest return flights from Busan (PUS) to Istanbul (IST) in April 2026 (see full year).
Return flights
| 09 Apr - 17 Apr | Air China | ||
| 04 Apr - 11 Apr | Korean Air | ||
| 25 Apr - 07 May | Vietnam Airlines | ||
| 02 Apr - 09 Apr | Vietnam Airlines |
Also check the deals for one-way flights from Busan to Istanbul in April.
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