Cheapest return flights from Seoul to Ulaanbaatar in March from $205

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
11 Mar - 15 Mar Asiana Airlines direct
02 Mar - 05 Mar Asiana Airlines direct
04 Mar - 11 Mar Korean Air direct
26 Mar - 28 Mar Korean Air direct

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

Skyscanner

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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