AirHint found the following cheapest return flights from Busan (PUS) to Ulaanbaatar (UBN) in November 2025 (see full year).
Return flights
| 26 Nov - 03 Dec | Korean Air | ||
| 12 Nov - 19 Nov | Korean Air | ||
| 13 Nov - 20 Nov | Jeju Air | ||
| 28 Nov - 03 Dec | Jeju Air |
Also check the deals for one-way flights from Busan to Ulaanbaatar in November.
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.
Find us on social media