Cheapest return PUS–UBN flights, October

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

Return flights

09 Oct - 12 Oct Air China
04 Oct - 07 Oct Korean Air
01 Oct - 07 Oct Air China
01 Oct - 05 Oct Air China
16 Oct - 21 Oct Air China
24 Oct - 26 Oct Korean Air
04 Oct - 14 Oct Korean Air
04 Oct - 12 Oct Korean Air
06 Oct - 14 Oct Korean Air
10 Oct - 12 Oct Korean Air

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

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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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