Cheapest return flights from Busan to Ulaanbaatar in August from $360

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 - 31 Aug Jeju Air direct
23 Aug - 29 Aug Jeju Air direct
23 Aug - 28 Aug Jeju Air direct
21 Aug - 24 Aug Jeju Air direct
20 Aug - 24 Aug Jeju Air direct
21 Aug - 25 Aug Jeju Air direct
16 Aug - 24 Aug Jeju Air direct
13 Aug - 22 Aug Jeju Air direct
09 Aug - 17 Aug Jeju Air direct
02 Aug - 08 Aug Jeju 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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