AirHint found the following cheapest return flights from Osaka (KIX) to Busan (PUS) in September 2026 (see full year).
Return flights
| 12 Sep - 14 Sep | Korean Air | ||
| 25 Sep - 15 Oct | Korean Air | ||
| 19 Sep - 21 Sep | Korean Air | ||
| 19 Sep - 22 Sep | Korean Air | ||
| 26 Sep - 28 Sep | Korean Air |
Also check the deals for one-way flights from Osaka to Busan in September.
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