Cheapest return flights from Seoul to Ulaanbaatar in October from 174€

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

Return flights

26 Oct - 30 Oct Jeju Air direct
23 Oct - 30 Oct Jeju Air direct
19 Oct - 21 Oct Jeju Air direct
19 Oct - 23 Oct Jeju Air direct
23 Oct - 06 Nov Jeju Air direct
26 Oct - 02 Nov Jeju Air direct
26 Oct - 09 Nov Jeju Air direct
23 Oct - 26 Oct Jeju Air direct
19 Oct - 02 Nov Jeju Air direct
21 Oct - 30 Oct Jeju Air direct
16 Oct - 30 Oct Jeju Air direct
16 Oct - 23 Oct Jeju Air direct
09 Oct - 21 Oct Jeju Air direct
09 Oct - 16 Oct Jeju Air direct
27 Oct - 02 Nov Asiana Airlines direct
27 Oct - 04 Nov Asiana Airlines direct
27 Oct - 06 Nov Asiana Airlines direct
27 Oct - 09 Nov Asiana Airlines direct
27 Oct - 11 Nov Asiana Airlines direct
29 Oct - 02 Nov Asiana Airlines direct

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

Skyscanner

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.