Cheapest return flights from Busan to Ulaanbaatar in October from $215

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

Return flights

12 Oct - 19 Oct Jeju Air direct
12 Oct - 17 Oct Jeju Air direct
09 Oct - 20 Oct Jin Air direct
02 Oct - 20 Oct Jin Air direct
05 Oct - 12 Oct Jeju Air direct
22 Oct - 26 Oct Korean Air
05 Oct - 09 Oct Jeju Air direct
05 Oct - 20 Oct Jin Air direct
08 Oct - 12 Oct Jeju Air direct
02 Oct - 06 Oct Jeju Air direct

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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