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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
06 Sep	Jeju Air Direct Flight
14 Sep	Jeju Air Direct Flight
15 Sep	Jeju Air Direct Flight
21 Sep	Jeju Air Direct Flight
13 Sep	Jeju Air Direct Flight
17 Sep	Jeju Air Direct Flight
05 Sep	Jeju Air Direct Flight
28 Sep	Jeju Air Direct Flight
09 Sep	T'way Air Direct Flight
12 Sep	Jeju Air Direct Flight

deals for return flights from Seoul to Ulaanbaatar in September.

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Updated May 21, 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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