Cheapest one-way flights from Seoul to Ulaanbaatar in August from $189

AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in August 2026 (see full year).

One-Way flights

18 Aug Jeju Air direct
28 Aug Asiana Airlines direct
14 Aug MIAT Mongolian Airlines direct
15 Aug MIAT Mongolian Airlines direct
19 Aug Korean Air direct
10 Aug Jeju Air direct
08 Aug Asiana Airlines direct
01 Aug Asiana Airlines direct

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

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.