Cheapest return flights from Busan to Ulaanbaatar in August from $303

Best time to book flights for Busan (PUS) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

27 Aug - 01 Sep Jeju Air direct
18 Aug - 26 Aug Jin Air direct
11 Aug - 26 Aug Jin Air direct
02 Aug - 07 Aug Jeju Air direct
02 Aug - 10 Aug Jeju Air direct
03 Aug - 07 Aug Jeju Air direct
28 Aug - 31 Aug Jeju Air direct
10 Aug - 26 Aug Jin Air direct
18 Aug - 01 Sep Jin Air direct
17 Aug - 21 Aug Jeju Air direct
23 Aug - 29 Aug Jeju Air direct
11 Aug - 01 Sep Jin Air direct
04 Aug - 15 Aug Jin Air direct
27 Aug - 03 Sep Korean Air
26 Aug - 02 Sep Korean Air
21 Aug - 01 Sep Jin Air direct
14 Aug - 01 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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