Cheapest one-way flights from Seoul to Ulaanbaatar in April from 153€

AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in April 2026 (see full year).

One-Way flights

08 Apr Asiana Airlines direct
29 Apr Asiana Airlines direct
06 Apr Asiana Airlines direct
07 Apr MIAT Mongolian Airlines direct
24 Apr MIAT Mongolian Airlines direct
26 Apr MIAT Mongolian Airlines direct
09 Apr Korean Air direct
19 Apr Korean Air direct

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

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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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