Cheapest return flights from Seoul to Ulaanbaatar in March from $216

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

Return flights

22 Mar - 26 Mar Jeju Air direct
01 Mar - 05 Mar Jeju Air direct
03 Mar - 08 Mar Jeju Air direct
12 Mar - 15 Mar Jeju Air direct
23 Mar - 28 Mar Korean Air direct
04 Mar - 11 Mar Korean Air direct
26 Mar - 28 Mar Korean Air direct
25 Mar - 29 Mar Asiana Airlines direct
02 Mar - 09 Mar Korean Air direct

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

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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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