Cheapest one-way flights from Seoul to Ulaanbaatar in August from 163€

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

One-Way flights

26 Aug Jeju Air direct
25 Aug Jeju Air direct
27 Aug MIAT Mongolian Airlines direct
10 Aug Jeju Air direct
11 Aug MIAT Mongolian Airlines direct
19 Aug Jeju Air direct
18 Aug Jeju Air direct
23 Aug Jeju Air direct
07 Aug MIAT Mongolian Airlines direct
13 Aug Jeju Air direct

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

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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