Cheapest one-way flights from Seoul to Ulaanbaatar in September from 93€

AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in September 2026 (see full year).

One-Way flights

07 Sep T'way Air direct
06 Sep T'way Air direct
02 Sep T'way Air direct
01 Sep Jeju Air direct
08 Sep Jeju Air direct
13 Sep Jeju Air direct
29 Sep Jeju Air direct
05 Sep MIAT Mongolian Airlines direct
09 Sep MIAT Mongolian Airlines direct
19 Sep Jeju Air direct

Also check the deals for return flights from Seoul to Ulaanbaatar in September.

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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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