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Results refresh when you open or revisit this page. Last snapshot: Jul 20, 2026.

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

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
15 Sep	Jeju Air Direct Flight
27 Sep	Jeju Air Direct Flight
29 Sep	Jeju Air Direct Flight
14 Sep	T'way Air Direct Flight
13 Sep	Jeju Air Direct Flight
06 Sep	Jeju Air Direct Flight
26 Sep	Jeju Air Direct Flight
12 Sep	Jeju Air Direct Flight
25 Sep	Asiana Airlines Direct Flight
30 Sep	Asiana Airlines Direct Flight

deals for return flights from Seoul to Ulaanbaatar in September.

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Updated Jul 20, 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), September

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