Cheapest one-way flights from Seoul to Ulaanbaatar in October from 108€

AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in October 2025 (see full year).

One-Way flights

19 Oct Jeju Air direct
23 Oct Jeju Air direct
17 Oct Air China
17 Oct Asiana Airlines direct
15 Oct MIAT Mongolian Airlines direct
27 Oct Asiana Airlines direct
18 Oct Korean Air direct
26 Oct Jeju Air direct
25 Oct Korean Air direct

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

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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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