Cheapest return flights from Busan to Ulaanbaatar in May from $111

Best time to book flights for Busan (PUS) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

21 May - 29 May Jeju Air direct
14 May - 23 May Jeju Air direct
10 May - 19 May Jeju Air direct
22 May - 30 May Jeju Air direct
10 May - 16 May Jeju Air direct
07 May - 16 May Jeju Air direct
10 May - 15 May Jeju Air direct
14 May - 19 May Jeju Air direct
22 May - 29 May Jeju Air direct
25 May - 29 May Jeju Air direct
29 May - 06 Jun Jeju Air direct
29 May - 13 Jun Jeju Air direct
24 May - 02 Jun Jeju Air direct
25 May - 02 Jun Jeju Air direct
15 May - 01 Jun Jeju Air direct
29 May - 02 Jun Jeju Air direct
25 May - 05 Jun Jeju Air direct
29 May - 05 Jun Jeju Air direct
28 May - 02 Jun Jeju Air direct
22 May - 02 Jun Jin Air direct

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

Skyscanner

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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar