Distance From Liège Airport to Ulaanbaatar Chinggis Khaan International Airport, LGG - UBN Distance

The distance from Liège Airport (LGG) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4205 miles or 6767 kilometers or 3651 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Liège ( Belgium ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Liège and Ulaanbaatar (Sergelen) takes around 9 hours 40 minutes.

Estimated flight time from Liège Airport, Liège, Belgium to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 40 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • LGG - UBN

Kilometers		6767 km
Statute Miles		4205 miles
Nautical Miles		3651 nm
Avg. Time of Flight		9 hours 40 minutes

Liège Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - LGG to UBN Flight Path

Location of Liège Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Liège to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Liège, Belgium and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Liège, Belgium and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • LGG - UBN

Time difference between Liège (Belgium) and Ulaanbaatar (Sergelen) (Mongolia) is 6 Hours.
Ulaanbaatar (Sergelen) time is 6 Hours ahead of Liège.

Location	Local Time
Liège (Belgium)	2026-10-10, 04:02:26 CEST
Ulaanbaatar (Sergelen) (Mongolia)	2026-10-10, 10:02:26 +08

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Liège Airport (LGG / EBLG) Liège, Belgium

Destination

Ulaanbaatar Chinggis Khaan International Airport (UBN / ZMCK) Ulaanbaatar (Sergelen), Mongolia