Distance From La Grande-4 Airport to Ulaanbaatar Chinggis Khaan International Airport, YAH - UBN Distance

The distance from La Grande-4 Airport (YAH) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5431 miles or 8740 kilometers or 4716 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 La Grande-4 ( Canada ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between La Grande-4 and Ulaanbaatar (Sergelen) takes around 12 hours 29 minutes.

Estimated flight time from La Grande-4 Airport, La Grande-4, Canada to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 12 hours 29 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 • YAH - UBN

Kilometers		8740 km
Statute Miles		5431 miles
Nautical Miles		4716 nm
Avg. Time of Flight		12 hours 29 minutes

La Grande-4 Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - YAH to UBN Flight Path

Location of La Grande-4 Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view La Grande-4 to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between La Grande-4, Canada and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between La Grande-4, Canada and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • YAH - UBN

Time difference between La Grande-4 (Canada) and Ulaanbaatar (Sergelen) (Mongolia) is 11 Hours.
Ulaanbaatar (Sergelen) time is 11 Hours ahead of La Grande-4.

Location	Local Time
La Grande-4 (Canada)	2026-09-16, 21:37:10 ADT
Ulaanbaatar (Sergelen) (Mongolia)	2026-09-17, 08:37:10 +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

La Grande-4 Airport (YAH / CYAH) La Grande-4, Canada

Destination

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