Cheapest return flights from Seoul to Ulaanbaatar in June from 246€

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

Return flights

13 Jun - 27 Jun Aero Mongolia direct
17 Jun - 22 Jun MIAT Mongolian Airlines direct
19 Jun - 30 Jun MIAT Mongolian Airlines direct
09 Jun - 13 Jun Asiana Airlines direct
03 Jun - 07 Jun Asiana Airlines direct
10 Jun - 15 Jul Asiana Airlines direct
14 Jun - 21 Jun Korean Air direct
04 Jun - 10 Jun Korean Air direct
03 Jun - 08 Jun Korean Air direct
24 Jun - 28 Jun Asiana Airlines direct
10 Jun - 15 Jun Korean Air direct
29 Jun - 03 Jul Air China
29 Jun - 03 Jul Korean Air direct

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

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