Cheapest one-way flights from Ulaanbaatar to Busan in August from $140

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

One-Way flights

14 Aug Jeju Air direct
26 Aug Jin Air direct
07 Aug Jeju Air direct
12 Aug Jin Air direct
28 Aug Jeju Air direct
19 Aug Jin Air direct
29 Aug Jin Air direct
15 Aug Jin Air direct
24 Aug Jeju Air direct
05 Aug MIAT Mongolian Airlines direct

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

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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