Cheapest return GMP–UBN flights, June

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

Return flights

04 Jun - 08 Jun Air Busan
03 Jun - 08 Jun Air Busan
15 Jun - 03 Jul Air Busan
06 Jun - 06 Jul Air Busan
05 Jun - 08 Jun T'way Air
26 Jun - 30 Jun Air China
20 Jun - 21 Jun Air China
16 Jun - 30 Jun Air China
14 Jun - 30 Jun Air China
07 Jun - 11 Jun Air China
15 Jun - 30 Jun Air China
17 Jun - 21 Jun Air China
14 Jun - 01 Jul Air China
27 Jun - 05 Jul Air China
26 Jun - 08 Jul Air China
24 Jun - 06 Jul Air China
26 Jun - 01 Jul Air China
29 Jun - 20 Jul Air China
29 Jun - 06 Jul Air China
23 Jun - 13 Jul Air China

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

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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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