Cheapest return ICN–UBN flights, October

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

Return flights

20 Oct - 22 Oct Jeju Air direct
15 Oct - 18 Oct Jeju Air direct
01 Oct - 15 Oct Jeju Air direct
05 Oct - 08 Oct Asiana Airlines direct
05 Oct - 13 Oct Asiana Airlines direct
05 Oct - 15 Oct Asiana Airlines direct
07 Oct - 13 Oct Asiana Airlines direct
07 Oct - 15 Oct Asiana Airlines direct
10 Oct - 13 Oct Asiana Airlines direct
22 Oct - 25 Oct Korean Air direct
28 Oct - 04 Nov Korean Air direct
12 Oct - 09 Nov Korean Air direct

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

Powered by

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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar

Feel free to contact us with any feedback or request another flight research.