Cheapest return flights from Seoul to Ulaanbaatar in August from 191€

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

Return flights

31 Aug - 08 Sep Jeju Air direct
31 Aug - 13 Sep Jeju Air direct
31 Aug - 11 Sep Jeju Air direct
30 Aug - 13 Sep Jeju Air direct
30 Aug - 20 Sep Jeju Air direct
31 Aug - 07 Sep Jeju Air direct
31 Aug - 04 Sep Jeju Air direct
28 Aug - 01 Sep Jeju Air direct
24 Aug - 01 Sep Jeju Air direct
31 Aug - 03 Sep T'way Air direct
24 Aug - 29 Aug Asiana Airlines direct
27 Aug - 30 Aug MIAT Mongolian Airlines direct
25 Aug - 29 Aug Asiana Airlines direct
26 Aug - 29 Aug Asiana Airlines direct
24 Aug - 27 Aug Asiana Airlines direct
24 Aug - 30 Aug Jeju Air direct
28 Aug - 30 Aug Jeju Air direct
17 Aug - 22 Aug MIAT Mongolian Airlines direct
27 Aug - 31 Aug MIAT Mongolian Airlines direct
19 Aug - 29 Aug MIAT Mongolian Airlines direct

Also check the deals for one-way 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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