Cheapest return flights from Busan to Ulaanbaatar in December from 518CAD

AirHint found the following cheapest return flights from Busan (PUS) to Ulaanbaatar (UBN) in December 2025 (see full year).

Return flights

07 Dec - 11 Dec Air China
14 Dec - 21 Dec Jeju Air
15 Dec - 19 Dec Air China
11 Dec - 18 Dec Korean Air
13 Dec - 20 Dec Korean Air
17 Dec - 24 Dec Korean Air
15 Dec - 22 Dec Korean Air
09 Dec - 13 Dec Korean Air
12 Dec - 19 Dec Korean Air
23 Dec - 27 Dec Korean Air

Also check the deals for one-way flights from Busan to Ulaanbaatar in December.

Skyscanner

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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar

Feel free to contact us with any feedback or request another flight research.