Cheapest one-way flights from Ulaanbaatar to Seoul in December from 151€

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

One-Way flights

11 Dec Aero Mongolia direct
07 Dec China United Airlines
07 Dec Jeju Air direct
16 Dec Jeju Air direct
10 Dec Air China
10 Dec MIAT Mongolian Airlines direct
09 Dec MIAT Mongolian Airlines direct
30 Dec Jeju Air direct
25 Dec Aero Mongolia direct
15 Dec Air China

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

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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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