Cheapest one-way flights from Ulaanbaatar to Busan in May from $119

AirHint found the following cheapest one-way flights from Ulaanbaatar (UBN) to Busan (PUS) in May 2026 (see full year).

One-Way flights

03 May Jeju Air direct
08 May Jeju Air direct
14 May Jeju Air direct
04 May Jeju Air direct
15 May Jeju Air direct
10 May Jeju Air direct
22 May Jeju Air direct
07 May Jeju Air direct
16 May Korean Air
26 May Jin Air direct

Also check the deals for return flights from Ulaanbaatar to Busan in May.

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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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