Cheapest one-way flights from Seoul to Ulaanbaatar in June from $122

Best time to book flights for Seoul (ICN) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in June 2025 (see full year).

One-Way flights

14 Jun Jeju Air direct
15 Jun T'way Air direct
24 Jun Jeju Air direct
13 Jun T'way Air direct
26 Jun Jeju Air direct
04 Jun T'way Air direct
11 Jun T'way Air direct
23 Jun T'way Air direct
22 Jun T'way Air direct
29 Jun T'way Air direct

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

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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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