Cheapest one-way flights from Seoul to Ulaanbaatar in October from $103

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

One-Way flights

28 Oct Jeju Air direct
30 Oct Jeju Air direct
19 Oct Jeju Air direct
12 Oct Jeju Air direct
27 Oct Air China
14 Oct Air China
23 Oct Jeju Air direct
16 Oct Jeju Air direct
31 Oct MIAT Mongolian Airlines direct
14 Oct MIAT Mongolian Airlines direct

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

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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