Cheapest one-way flights from Ulaanbaatar to Busan in September from $129

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

One-Way flights

11 Sep Jeju Air direct
26 Sep Jeju Air direct
25 Sep Jeju Air direct
12 Sep Jeju Air direct
19 Sep Jeju Air direct
08 Sep Jin Air direct
22 Sep Jin Air direct
15 Sep Jin Air direct
18 Sep Jeju Air direct
05 Sep Jeju Air direct

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.

Book a cheap hotel in Busan

Cheap car rent in Busan

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