Cheapest one-way flights from Ulaanbaatar to Busan in September from $78

AirHint found the following cheapest one-way flights from Ulaanbaatar (UBN) to Busan (PUS) in September 2025 (see full year).

One-Way flights

29 Sep Jin Air direct
26 Sep Jin Air direct
22 Sep Jin Air direct
25 Sep Jeju Air direct
21 Sep Jeju Air direct
28 Sep Jeju Air direct
19 Sep Jeju Air direct
18 Sep Jeju Air direct
30 Sep Jeju Air
27 Sep Korean Air

Also check the deals for return flights from Ulaanbaatar to Busan in September.

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.

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