Cheapest return flights from Seoul to Ulaanbaatar in January from 173€

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

Return flights

08 Jan - 15 Jan Jeju Air direct
08 Jan - 22 Jan Jeju Air direct
13 Jan - 15 Jan Jeju Air direct
20 Jan - 22 Jan Jeju Air direct
13 Jan - 22 Jan Jeju Air direct
11 Jan - 15 Jan Jeju Air direct
27 Jan - 29 Jan Jeju Air direct
18 Jan - 22 Jan Jeju Air direct
15 Jan - 29 Jan Jeju Air direct
22 Jan - 29 Jan Jeju Air direct
22 Jan - 05 Feb Jeju Air direct
29 Jan - 12 Feb Jeju Air direct
18 Jan - 01 Feb Jeju Air direct
20 Jan - 03 Feb Jeju Air direct
25 Jan - 08 Feb Jeju Air direct
27 Jan - 10 Feb Jeju Air direct
29 Jan - 03 Feb Jeju Air direct
29 Jan - 01 Feb Jeju Air direct
17 Jan - 01 Feb Asiana Airlines direct
19 Jan - 01 Feb Asiana Airlines direct

Also check the deals for one-way 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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