Cheapest return flights from Busan to Ulaanbaatar in May from 146€

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

Return flights

10 May - 21 May Jeju Air direct
16 May - 21 May Jeju Air direct
10 May - 15 May Jeju Air direct
16 May - 22 May Jeju Air direct
09 May - 15 May Jeju Air direct
10 May - 14 May Jeju Air direct
07 May - 14 May Jeju Air direct
09 May - 11 May Jeju Air direct
07 May - 11 May Jeju Air direct
24 May - 28 May Jeju Air direct
27 May - 01 Jun Jeju Air direct
31 May - 05 Jun Jeju Air direct

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