Cheapest return flights from Busan to Ulaanbaatar in December from $281

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

Return flights

05 Dec - 11 Dec Air China
05 Dec - 07 Dec Korean Air
02 Dec - 06 Dec Korean Air
03 Dec - 06 Dec Korean Air
09 Dec - 10 Dec Korean Air
14 Dec - 29 Jan Korean Air
16 Dec - 31 Jan Korean Air
02 Dec - 08 Dec Korean Air
10 Dec - 13 Dec Korean Air
11 Dec - 14 Dec Korean Air
05 Dec - 08 Dec Korean Air
09 Dec - 13 Dec Korean Air
28 Dec - 03 Jan Korean Air
30 Dec - 03 Jan Korean Air
31 Dec - 02 Jan Korean Air
25 Dec - 04 Jan Korean Air
27 Dec - 01 Jan Korean Air

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

Powered by

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.