Direct (nonstop) flights from Ulaanbaatar to Seoul
7 airlines fly nonstop from Chinggis Khan International Airport (UBN) to Incheon International Airport (ICN). It's 1,218 miles (1,960 km), about 3h 15m in the air. Operated by Jeju Air, Korean Air, Aero Mongolia and others.
Jeju Air
Korean Air
Aero Mongolia
Miat - Mongolian Airlines
Asiana Airlines
T´Way Air
+1 more
Route data last updated: May 28, 2026
Airlines with non-stop flights
OM
Miat - Mongolian Airlines
OZ
Asiana Airlines
XF
Vladivostok Air
Alternative Routes
Other ways to fly from Ulaanbaatar to Seoul with one stop · direct emits 206 kg CO₂ per passenger
Looking for the return flight?
ICN → UBN: Flights from Seoul to UlaanbaatarOther direct flights from Ulaanbaatar
Direct flights from Seoul (ICN)
Frequently Asked Questions
How long is the direct flight from Ulaanbaatar to Seoul?
A nonstop flight from Ulaanbaatar (UBN) to Seoul (ICN) takes approximately 3 hours and 15 minutes. The distance is 1,218 miles (1,960 km).
Which airlines fly nonstop from Ulaanbaatar to Seoul?
7 airlines: Jeju Air, Korean Air, Aero Mongolia, Miat - Mongolian Airlines, Asiana Airlines, T´Way Air, Vladivostok Air.
Is there a nonstop flight from Ulaanbaatar to Seoul?
Yes. 7 airlines: Jeju Air, Korean Air, Aero Mongolia, Miat - Mongolian Airlines, Asiana Airlines, T´Way Air, Vladivostok Air.
How far is Ulaanbaatar from Seoul?
The flight distance from Ulaanbaatar to Seoul is 1,218 miles (1,960 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What is the time difference between Ulaanbaatar and Seoul?
Seoul is 1 hour ahead of Ulaanbaatar. (Asia/Ulaanbaatar vs Asia/Seoul.)
What type of aircraft flies from Ulaanbaatar to Seoul?
At 3h 15m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Mongolia to Republic of Korea?
Depends on your passport. Check with the Republic of Korea embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Ulaanbaatar to Seoul?
Roughly 206 kg CO2 per passenger one-way. That's about the same as driving 1,030 km.
Is the return flight from Seoul to Ulaanbaatar also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Ulaanbaatar to Seoul?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chinggis Khan International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.