Cheapest return flights from Seoul to Ulaanbaatar in June from $245

Best time to book flights for Seoul (ICN) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Ulaanbaatar (UBN) in June 2025 (see full year).

Return flights

30 Jun - 08 Jul Jeju Air direct
30 Jun - 06 Jul Jeju Air direct
30 Jun - 07 Jul Jeju Air direct
30 Jun - 03 Jul Jeju Air direct
30 Jun - 21 Jul Jeju Air direct
03 Jun - 10 Jun Air China
07 Jun - 09 Jun Jeju Air direct
29 Jun - 06 Jul Jeju Air direct
07 Jun - 12 Jun Jeju Air direct
18 Jun - 22 Jun Air China
09 Jun - 12 Jun Jeju Air direct
07 Jun - 30 Jun Jeju Air direct
29 Jun - 07 Jul Jeju Air direct
29 Jun - 03 Jul Jeju Air direct
01 Jun - 10 Jun Air China
16 Jun - 22 Jun Air China
18 Jun - 25 Jun Air China
19 Jun - 27 Jun Air China
08 Jun - 21 Jul Jeju Air direct
17 Jun - 14 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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