Cheapest return flights from Ulaanbaatar to Seoul in May from $393

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

Return flights

03 May - 06 May Asiana Airlines direct
12 May - 16 May Asiana Airlines direct
11 May - 15 May Korean Air direct

Also check the deals for one-way 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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