Cheapest return flights from Ulaanbaatar to Seoul in October from 301€

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

Return flights

30 Oct - 16 Nov Jeju Air direct
28 Oct - 12 Nov Jeju Air direct
30 Oct - 25 Nov Jeju Air direct
30 Oct - 17 Nov Korean Air direct
31 Oct - 15 Nov Korean Air direct
30 Oct - 15 Nov Korean Air direct
31 Oct - 07 Nov Korean Air direct
27 Oct - 30 Oct Korean Air direct
28 Oct - 04 Nov Jeju Air direct
29 Oct - 05 Nov Korean Air direct
28 Oct - 30 Oct Jeju Air direct
31 Oct - 08 Nov Korean Air direct
24 Oct - 26 Oct Asiana Airlines direct
28 Oct - 31 Oct Jeju Air direct
25 Oct - 27 Oct Korean Air direct
24 Oct - 27 Oct Korean Air direct
25 Oct - 29 Oct MIAT Mongolian Airlines direct
27 Oct - 31 Oct Korean Air direct

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