Cheapest one-way flights from Busan to Ulaanbaatar in July from $297
AirHint found the following cheapest one-way flights from Busan (PUS) to Ulaanbaatar (UBN) in July 2025 (see full year).
One-Way flights
| 26 Jul | Jeju Air | direct | |
| 16 Jul | Jeju Air | direct | |
| 23 Jul | Jeju Air | direct | |
| 30 Jul | Jeju Air | direct | |
| 31 Jul | Jeju Air | direct | |
| 25 Jul | Asiana Airlines | direct |
Also check the deals for return flights from Busan to Ulaanbaatar in July.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
