Tway Air
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South Korea
Cheong Ju International Airport
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Mongolia
Ulaanbaatar International Airport
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Scan through all non-stop flights from Cheongju & Daejeon to Ulaanbaatar. The full flight schedule below gives an overview of all non-stop flights from CJJ to UBN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Ulaanbaatar are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Ulaanbaatar is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
In total there are 2 airlines operating nonstop flights from Cheongju & Daejeon CJJ to Ulaanbaatar UBN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their CJJ UBN flight schedule.
Flights from CJJ to UBN are operated once a week. Departure times vary between 21:25 - 21:35. The earliest flight departs at 21:25, the last flight departs at 21:35. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Cheongju & Daejeon to Ulaanbaatar takes 3 hours and 50 minutes. The flight distance between Cheongju & Daejeon and Ulaanbaatar is 1,293 miles (or 2,081 km).
There is 1 airport in Ulaanbaatar: Ulaanbaatar International Airport (UBN).
There is 1 flight per week flying from Cheongju & Daejeon to Ulaanbaatar (as of April 2026).
3 hours and 50 minutes is the average flight time from Cheongju & Daejeon to Ulaanbaatar.
The distance from Cheongju & Daejeon to Ulaanbaatar is 1,293 miles (2,081 kilometers).
Aero K and Tway Air are flying nonstop from Cheongju & Daejeon to Ulaanbaatar.
There are no alliances flying direct from Cheongju & Daejeon to Ulaanbaatar at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Cheongju & Daejeon to Ulaanbaatar:
The earliest flight departs at 21:25 from Cheongju & Daejeon and arrives at 00:15 at Ulaanbaatar.
The latest flight departs at 21:35 from Cheongju & Daejeon and arrives at 00:05 at Ulaanbaatar.
1,293 miles (2,081 km) · 3h 50m
21:25
00:15
Tway Air
TW 425
Tway Air
Boeing 737 MAX 8
Y
W
J
F
21:35
00:05
Aero K
RF 421
Aero K
Airbus A320-100/200
Y
W
J
F
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