AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Busan (PUS) in July 2026 (see full year).
Return flights
| 25 Jul - 30 Jul | Korean Air | ||
| 21 Jul - 29 Jul | Korean Air | ||
| 22 Jul - 29 Jul | Korean Air | ||
| 18 Jul - 25 Jul | Korean Air | ||
| 19 Jul - 29 Jul | Jeju Air | direct |
Also check the deals for one-way flights from Ulaanbaatar to Busan in July.
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