Cheapest return flights from Ulaanbaatar to Busan in September from $216

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

Return flights

19 Sep - 21 Sep Jeju Air direct
12 Sep - 14 Sep Jeju Air direct
08 Sep - 14 Sep Jin Air direct
05 Sep - 07 Sep Jin Air direct
05 Sep - 14 Sep Jin Air direct
19 Sep - 09 Oct Jin Air direct
01 Sep - 07 Sep Jin Air direct
01 Sep - 14 Sep Jin Air direct
12 Sep - 18 Sep Jin Air direct
19 Sep - 25 Sep Jin Air direct
26 Sep - 09 Oct Jin Air direct
08 Sep - 18 Sep Jin Air direct
22 Sep - 09 Oct Jin Air direct
29 Sep - 19 Oct Jin Air direct
29 Sep - 09 Oct Jin Air direct
19 Sep - 02 Oct Jin Air direct
12 Sep - 02 Oct Jin Air direct
26 Sep - 02 Oct Jin Air direct
22 Sep - 02 Oct Jin Air direct
15 Sep - 02 Oct Jin Air direct

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

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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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