AirHint found the following cheapest one-way flights from Busan (PUS) to Ulaanbaatar (UBN) in April 2026 (see full year).
One-Way flights
| 17 Apr | Jin Air | direct | |
| 22 Apr | Jin Air | ||
| 20 Apr | Air Busan | ||
| 21 Apr | Jin Air | ||
| 23 Apr | Air Busan | ||
| 27 Apr | Air Busan | ||
| 01 Apr | T'way Air | ||
| 13 Apr | Air Busan | ||
| 18 Apr | Air Busan | ||
| 29 Apr | Air Busan |
Also check the deals for return flights from Busan to Ulaanbaatar in April.
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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.
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