Cheapest return flights from Ulaanbaatar to Seoul in January from 291€

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

Return flights

19 Jan - 29 Jan Aero Mongolia direct
21 Jan - 29 Jan Aero Mongolia direct
22 Jan - 31 Jan Aero Mongolia direct
19 Jan - 24 Jan Aero Mongolia direct
26 Jan - 02 Feb Aero Mongolia direct
22 Jan - 29 Jan Aero Mongolia direct
24 Jan - 28 Jan Aero Mongolia direct
29 Jan - 07 Feb Asiana Airlines direct
25 Jan - 01 Feb Jeju Air direct
28 Jan - 05 Feb Korean Air direct
28 Jan - 06 Feb Korean Air direct
24 Jan - 01 Feb MIAT Mongolian Airlines direct
29 Jan - 08 Feb Korean Air direct
28 Jan - 12 Feb Korean Air direct
27 Jan - 30 Jan Jeju Air direct
25 Jan - 29 Jan Jeju Air direct
22 Jan - 05 Feb Aero Mongolia direct
27 Jan - 03 Feb Jeju Air direct
25 Jan - 30 Jan Jeju Air direct
25 Jan - 31 Jan Jeju Air direct

Also check the deals for one-way flights from Ulaanbaatar to Seoul 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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