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	Air China
19 Nov - 26 Nov	T'way Air
25 Nov - 02 Dec	Air China
29 Nov - 06 Dec	Air China
28 Nov - 05 Dec	Jin Air
18 Nov - 25 Nov	Jin Air
23 Nov - 30 Nov	Air China
27 Nov - 04 Dec	T'way Air
17 Nov - 24 Nov	Korean Air
20 Nov - 27 Nov	Air China
30 Nov - 07 Dec	Asiana Airlines
21 Nov - 28 Nov	Air China
22 Nov - 29 Nov	Air China
24 Nov - 01 Dec	Eastar Jet
26 Nov - 30 Nov	Korean Air
27 Nov - 01 Dec	Korean Air
26 Nov - 28 Nov	Korean Air
16 Nov - 23 Nov	Korean Air
28 Nov - 01 Dec	Korean Air
25 Nov - 03 Dec	Korean 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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar

Cheapest return flights from Busan to Ulaanbaatar in November from $258

Return flights