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Seoul (ICN)Ulaanbaatar (Sergelen) (UBN)
Direct flights from Incheon International Airport in South Korea to Ulaanbaatar Chinggis Khaan International Airport in Mongolia.
6 airlines operate this route.≈ 8.7 flights/day · verified from live schedules, updated Jul 2026
Great-circle distance
1,957 km
Estimated flight time
2h 48m
Flight frequency
8.7 flights/day
Return route
Available
Flight frequency on ICN → UBN
Live dataVerified from live airline schedules · last updated July 2026. Averaged over the most recent 7 days of operations.
Avg flights / day
8.7 flights
Flights / week
61
Verified operators
6
Last verified
July 2026
Today's departures ICN → UBN
TimeFlightTermStatus
Live schedule · times in ICN local time
Airlines flying ICN → UBN
Carriers operating direct flights on this route. Click any airline for its full network, hubs, and loyalty program.
Star Alliance1 carriers
SkyTeam1 carriers
Independent / unaligned4 carriers
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Track a specific flight on this route
Enter the airline's flight number (e.g. LH123) on the tracker for live status, gates, terminals and aircraft type.
Other destinations from Seoul
Other origins flying to Ulaanbaatar (Sergelen)
Seoul to Ulaanbaatar (Sergelen) — frequently asked questions
How many flights per day are there from Seoul (ICN) to Ulaanbaatar (Sergelen) (UBN)?
Based on the latest verified schedules, there are on average 8.7 flights per day from Incheon International Airport (ICN) to Ulaanbaatar Chinggis Khaan International Airport (UBN), as of July 2026.
Which airlines fly from Seoul (ICN) to Ulaanbaatar (Sergelen) (UBN)?
Korean Air, Asiana Airlines, Jeju Air, MIAT Mongolian Airlines, Aero Mongolia, T'Way Air currently operate direct flights on this route.
Are there direct flights from Seoul (ICN) to Ulaanbaatar (Sergelen) (UBN)?
Yes. 6 airlines operate direct flights on the ICN–UBN route, so a non-stop journey is available.
How long is the flight from Seoul (ICN) to Ulaanbaatar (Sergelen) (UBN)?
The estimated flight time is 2h 48m, covering a great-circle distance of 1,957 km between Seoul and Ulaanbaatar (Sergelen).
About this data. Route coverage is built progressively: OpenFlights is the historical bootstrap; AeroDataBox schedules replace it per airport once that origin has been refreshed. Flight frequencies and operators are verified against live airline schedules (averaged over the last 7 days). Distance is calculated as the great-circle distance between airport coordinates; estimated flight time assumes a typical cruise speed of 850 km/h with 30 minutes of taxi/climb buffer.