Cheapest return PUS–UBN flights, August

AirHint found the following cheapest return flights from Busan (PUS) to Ulaanbaatar (UBN) in August 2026 (see full year).

Return flights

23 Aug - 27 Aug Jeju Air direct
24 Aug - 29 Aug Jin Air direct
23 Aug - 28 Aug Jeju Air direct
29 Aug - 03 Sep Jeju Air direct
02 Aug - 13 Aug Jeju Air direct
08 Aug - 14 Aug Jeju Air direct
17 Aug - 22 Aug Jin Air direct
28 Aug - 08 Sep Jin Air direct
27 Aug - 31 Aug Jeju Air direct
26 Aug - 28 Aug Jeju Air direct
05 Aug - 10 Aug Jeju Air direct
02 Aug - 10 Aug Jeju Air direct
02 Aug - 03 Sep Jeju Air direct
31 Aug - 06 Sep Korean Air
04 Aug - 08 Sep Korean Air
31 Aug - 04 Sep Korean Air
05 Aug - 09 Sep Korean Air

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

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