Cheapest one-way flights from Seoul to Ulaanbaatar in July from $219

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 July 2025 (see full year).

One-Way flights

06 Jul Jeju Air direct
08 Jul Jeju Air direct
21 Jul T'way Air direct
01 Jul Jeju Air direct
22 Jul Jeju Air direct
14 Jul T'way Air direct
02 Jul T'way Air direct
16 Jul T'way Air direct
18 Jul MIAT Mongolian Airlines direct
30 Jul Air China

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

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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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