Cheapest return flights from Seoul to Ulaanbaatar in April from 174€

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

Return flights

23 Apr - 30 Apr Jeju Air direct
26 Apr - 30 Apr Jeju Air direct
09 Apr - 16 Apr Jeju Air direct
21 Apr - 23 Apr Jeju Air direct
09 Apr - 12 Apr Jeju Air direct
14 Apr - 21 Apr Jeju Air direct
23 Apr - 28 Apr Jeju Air direct
02 Apr - 07 Apr Jeju Air direct
21 Apr - 30 Apr Jeju Air direct
09 Apr - 14 Apr Jeju Air direct
28 Apr - 10 May Jeju Air direct
23 Apr - 03 May Jeju Air direct
26 Apr - 03 May Jeju Air direct
29 Apr - 03 May Asiana Airlines direct
28 Apr - 03 May Jeju Air direct
25 Apr - 01 May Korean Air direct
24 Apr - 01 May Korean Air direct
30 Apr - 09 May MIAT Mongolian Airlines direct
25 Apr - 02 May Korean Air direct
29 Apr - 09 May Korean Air direct

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

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