Cheapest return flights from Seoul to Ulaanbaatar in June from 188€

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

Return flights

21 Jun - 06 Jul Jeju Air direct
07 Jun - 15 Jun Jeju Air direct
07 Jun - 08 Jun Jeju Air direct
21 Jun - 29 Jun Jeju Air direct
07 Jun - 22 Jun Jeju Air direct
28 Jun - 13 Jul Jeju Air direct
21 Jun - 22 Jun Jeju Air direct
01 Jun - 04 Jun Asiana Airlines direct
01 Jun - 30 Jun Asiana Airlines direct
01 Jun - 03 Jun Asiana Airlines direct
01 Jun - 06 Jun Asiana Airlines direct
01 Jun - 09 Jun Asiana Airlines direct
01 Jun - 01 Jul Asiana Airlines direct
28 Jun - 20 Jul Jeju Air direct
29 Jun - 06 Jul Jeju Air direct
28 Jun - 01 Jul T'way Air direct
28 Jun - 02 Jul Jeju Air direct
30 Jun - 09 Jul MIAT Mongolian Airlines direct
28 Jun - 03 Jul T'way Air direct
17 Jun - 02 Jul Asiana Airlines 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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