Cheapest one-way flights from Seoul to Ulaanbaatar in August from 125€

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 August 2025 (see full year).

One-Way flights

25 Aug Jeju Air direct
24 Aug Jeju Air direct
27 Aug T'way Air direct
17 Aug Jeju Air direct
20 Aug T'way Air direct
22 Aug T'way Air direct
18 Aug T'way Air direct
09 Aug Jeju Air direct
23 Aug Jeju Air direct
12 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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