Cheapest return flights from Seoul to Ulaanbaatar in June from 354€

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

Return flights

12 Jun - 21 Jun Asiana Airlines direct
13 Jun - 21 Jun Asiana Airlines direct
19 Jun - 21 Jun Asiana Airlines direct
17 Jun - 21 Jun Asiana Airlines direct
22 Jun - 26 Jun Air China
22 Jun - 26 Jun Korean Air direct
20 Jun - 21 Jun Korean Air direct

Also check the deals for one-way flights from Seoul to Ulaanbaatar in June.

Skyscanner

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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