Cheapest one-way flights from Seoul to Ulaanbaatar in May from 84€

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

One-Way flights

05 May Jeju Air direct
16 May Asiana Airlines direct
09 May Asiana Airlines direct
12 May Jeju Air direct
17 May Jeju Air direct
18 May Asiana Airlines direct
14 May Jeju Air direct
20 May Asiana Airlines direct
15 May MIAT Mongolian Airlines direct
08 May Korean Air direct

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

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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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