Cheapest return flights from Seoul to Ulaanbaatar in August from 235€

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

Return flights

31 Aug - 13 Sep Jeju Air direct
31 Aug - 11 Sep Jeju Air direct
31 Aug - 04 Sep Jeju Air direct
31 Aug - 10 Sep T'way Air direct
30 Aug - 11 Sep Jeju Air direct
30 Aug - 04 Sep Jeju Air direct
28 Aug - 01 Sep Jeju Air direct
25 Aug - 09 Sep Jeju Air direct
25 Aug - 08 Sep MIAT Mongolian Airlines direct
28 Aug - 02 Sep Jeju Air direct
06 Aug - 13 Aug T'way Air direct
30 Aug - 30 Aug Korean Air direct
06 Aug - 10 Aug T'way Air direct
24 Aug - 27 Aug T'way Air direct
08 Aug - 15 Aug MIAT Mongolian Airlines direct
18 Aug - 20 Aug MIAT Mongolian Airlines direct
11 Aug - 18 Aug MIAT Mongolian Airlines
17 Aug - 22 Aug MIAT Mongolian Airlines direct
06 Aug - 11 Aug T'way Air direct
07 Aug - 14 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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