Cheapest one-way flights from Seoul to Ulaanbaatar in June from $237

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

One-Way flights

10 Jun Asiana Airlines direct
06 Jun Asiana Airlines direct
08 Jun Asiana Airlines direct
24 Jun MIAT Mongolian Airlines direct
07 Jun Korean Air direct
12 Jun Air China
29 Jun Air China
20 Jun Korean Air direct
27 Jun Korean Air direct
29 Jun Asiana Airlines direct

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

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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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