Cheapest one-way flights from Ulaanbaatar to Seoul in May from 133€

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

One-Way flights

07 May Jeju Air direct
12 May Jeju Air direct
27 May Aero Mongolia direct
24 May Asiana Airlines direct
03 May Asiana Airlines direct
26 May Jeju Air direct
08 May Air China
11 May Korean Air direct
08 May Korean Air direct
09 May Korean Air direct

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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