Cheapest return flights from Seoul to Ulaanbaatar in June from $177

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

07 Jun - 14 Jun Jeju Air direct
07 Jun - 12 Jun Jeju Air direct
08 Jun - 12 Jun Jeju Air direct
08 Jun - 14 Jun Jeju Air direct
08 Jun - 10 Jun Jeju Air direct
07 Jun - 10 Jun Jeju Air direct
15 Jun - 19 Jun Jeju Air direct
01 Jun - 03 Jun Jeju Air direct
15 Jun - 23 Jun Jeju Air direct
01 Jun - 07 Jun Jeju Air direct
16 Jun - 15 Jul T'way Air direct
18 Jun - 16 Jul Air China
29 Jun - 05 Jul Jeju Air direct
29 Jun - 06 Jul Jeju Air direct
08 Jun - 02 Jul T'way Air direct
29 Jun - 12 Jul Jeju Air direct
30 Jun - 09 Jul T'way Air direct
28 Jun - 05 Jul Jeju Air direct
22 Jun - 02 Jul T'way Air direct
22 Jun - 06 Jul Jeju Air direct

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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