Cheapest one-way flights from Ulaanbaatar to Seoul in May from 136€

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

One-Way flights

26 May Jeju Air direct
12 May Jeju Air direct
16 May Aero Mongolia direct
06 May Aero Mongolia direct
15 May MIAT Mongolian Airlines direct
20 May MIAT Mongolian Airlines direct
17 May Jeju Air direct
27 May MIAT Mongolian Airlines direct
13 May MIAT Mongolian Airlines direct
05 May Air China

Also check the deals for return flights from Ulaanbaatar to Seoul 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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