Cheapest one-way flights from Seoul to Ulaanbaatar in July from $222

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

One-Way flights

09 Jul T'way Air direct
16 Jul T'way Air direct
26 Jul Jin Air
08 Jul MIAT Mongolian Airlines direct
23 Jul Jeju Air direct
27 Jul Jeju Air
10 Jul Asiana Airlines direct
18 Jul T'way Air direct
28 Jul Air China
25 Jul Air China

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

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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