Cheapest return flights from Ulaanbaatar to Busan in May from 213€

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

Return flights

24 May - 31 May Jeju Air direct
21 May - 28 May Jeju Air direct
17 May - 24 May Jeju Air direct
31 May - 07 Jun Jeju Air direct
03 May - 06 May Jeju Air direct
10 May - 17 May Jeju Air direct
29 May - 05 Jun Jeju Air
28 May - 04 Jun Jeju Air direct
11 May - 21 May Jeju Air direct
03 May - 10 May Jeju Air direct
14 May - 21 May Jeju Air direct
18 May - 25 May Jeju Air
14 May - 20 May Jeju Air direct
30 May - 06 Jun MIAT Mongolian Airlines
25 May - 01 Jun Jeju Air
26 May - 02 Jun Jeju Air
27 May - 03 Jun MIAT Mongolian Airlines

Also check the deals for one-way 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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