Cheapest one-way flights from Seoul to Ulaanbaatar in January from $95

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

One-Way flights

27 Jan Jeju Air direct
04 Jan Jeju Air direct
30 Jan Air China
06 Jan Jeju Air direct
16 Jan Air China
14 Jan Air China
07 Jan Air China
08 Jan Jeju Air direct
18 Jan Jeju Air direct
20 Jan Jeju Air direct

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

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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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