Cheapest return flights from Seoul to Ulaanbaatar in October from 180€

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

Return flights

12 Oct - 23 Oct Jeju Air direct
12 Oct - 21 Oct Jeju Air direct
12 Oct - 16 Oct Jeju Air direct
12 Oct - 19 Oct Jeju Air direct
26 Oct - 30 Oct Jeju Air direct
28 Oct - 30 Oct Jeju Air direct
19 Oct - 02 Nov Jeju Air direct
28 Oct - 04 Nov Jeju Air direct
16 Oct - 21 Oct Air China
16 Oct - 23 Oct Jeju Air direct
14 Oct - 22 Oct Air China
23 Oct - 30 Oct Jeju Air direct
20 Oct - 10 Nov Air China
27 Oct - 09 Nov Asiana Airlines direct
30 Oct - 03 Nov Air China
30 Oct - 03 Nov Korean Air direct
31 Oct - 03 Nov Korean Air direct
29 Oct - 01 Nov Korean Air direct
31 Oct - 02 Nov Korean Air direct
20 Oct - 10 Nov Korean Air direct

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

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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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