AirHint found the following cheapest return flights from Busan (PUS) to Kota Kinabalu (BKI) in April 2026 (see full year).
Return flights
| 08 Apr - 12 Apr | Singapore Airlines | ||
| 27 Apr - 04 May | Singapore Airlines | ||
| 08 Apr - 11 Apr | Singapore Airlines | ||
| 01 Apr - 06 Apr | Singapore Airlines | ||
| 30 Apr - 05 May | Korean Air |
Also check the deals for one-way flights from Busan to Kota Kinabalu in April.
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