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Cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN), October

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Dates, airline, and price
Dates	Airline	Price
06 Oct	Jeju Air Direct Flight
15 Oct	Jeju Air Direct Flight
29 Oct	Jeju Air Direct Flight
05 Oct	Asiana Airlines Direct Flight
21 Oct	Asiana Airlines Direct Flight
13 Oct	MIAT Mongolian Airlines Direct Flight
01 Oct	MIAT Mongolian Airlines Direct Flight
10 Oct	Korean Air Direct Flight

deals for return flights from Seoul to Ulaanbaatar in October.

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Updated Jul 22, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN), October

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