Cheapest return flights from Seoul to Ulaanbaatar in April from 240€

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

Return flights

06 Apr - 11 Apr Aero Mongolia direct
06 Apr - 13 Apr Aero Mongolia direct
07 Apr - 11 Apr MIAT Mongolian Airlines direct
05 Apr - 09 Apr MIAT Mongolian Airlines direct
02 Apr - 08 Apr Korean Air direct
02 Apr - 09 Apr Korean Air direct
02 Apr - 10 Apr Korean Air direct
02 Apr - 17 Apr Korean Air direct
09 Apr - 17 Apr Korean Air direct
16 Apr - 30 Apr Korean Air direct
16 Apr - 01 May Korean Air direct
24 Apr - 01 May Korean Air direct
29 Apr - 03 May Asiana Airlines direct
29 Apr - 05 May Asiana Airlines direct
30 Apr - 04 May Korean Air direct

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

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