Cheapest return flights from Busan to Ulaanbaatar in August from $204

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

Return flights

30 Aug - 04 Sep Jeju Air direct
07 Aug - 14 Aug Jeju Air direct
31 Aug - 04 Sep Jeju Air direct
16 Aug - 24 Aug Jeju Air direct
10 Aug - 14 Aug Jeju Air direct
31 Aug - 07 Sep Jeju Air direct
17 Aug - 01 Sep Jin Air direct
18 Aug - 08 Sep Jin Air direct
17 Aug - 05 Sep Jin Air direct
17 Aug - 28 Aug Jeju Air direct
24 Aug - 31 Aug Jeju Air direct
17 Aug - 26 Aug Jin Air direct
24 Aug - 28 Aug Jeju Air direct
28 Aug - 01 Sep Jeju Air direct
18 Aug - 01 Sep Jin Air direct
07 Aug - 11 Aug Jeju Air direct
16 Aug - 22 Aug Jeju Air direct
18 Aug - 05 Sep Jin Air direct
18 Aug - 26 Aug Jin Air direct
28 Aug - 12 Sep Jin Air direct

Also check the deals for one-way flights from Busan to Ulaanbaatar in August.

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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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