Cheapest return flights from Busan to Ulaanbaatar in April from 248€

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

Return flights

27 Apr - 04 May Air Busan
26 Apr - 03 May Air Busan
21 Apr - 28 Apr Eastar Jet
07 Apr - 14 Apr Air Busan
17 Apr - 24 Apr Jin Air
02 Apr - 09 Apr T'way Air
23 Apr - 30 Apr Jeju Air
22 Apr - 29 Apr Jin Air
20 Apr - 27 Apr Air Busan
16 Apr - 23 Apr T'way Air
14 Apr - 21 Apr Air Busan
11 Apr - 18 Apr Air Busan
29 Apr - 06 May Air Busan
25 Apr - 02 May Korean Air
28 Apr - 02 May Korean Air
28 Apr - 05 May Air China
24 Apr - 01 May Korean Air
30 Apr - 07 May Air Busan
10 Apr - 11 May Korean Air
28 Apr - 03 May Korean Air

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

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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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