Cheapest return flights from Seoul to Ulaanbaatar in June from $226

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

Return flights

07 Jun - 10 Jun T'way Air direct
07 Jun - 17 Jun T'way Air direct
08 Jun - 17 Jun T'way Air direct
07 Jun - 12 Jun T'way Air direct
08 Jun - 12 Jun T'way Air direct
08 Jun - 14 Jun T'way Air direct
01 Jun - 05 Jun T'way Air direct
07 Jun - 14 Jun T'way Air direct
14 Jun - 19 Jun T'way Air direct
05 Jun - 10 Jun T'way Air direct
28 Jun - 01 Jul T'way Air direct
29 Jun - 15 Jul T'way Air direct
28 Jun - 05 Jul T'way Air direct
29 Jun - 03 Jul T'way Air direct
28 Jun - 04 Jul MIAT Mongolian Airlines direct
29 Jun - 05 Jul T'way Air direct
29 Jun - 06 Jul T'way Air direct
30 Jun - 06 Jul Jeju Air direct
29 Jun - 02 Jul Jeju Air direct
22 Jun - 20 Jul T'way 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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