Distance From Bigfork Municipal Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Bigfork Municipal Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5730 miles or 9221 kilometers or 4976 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 Bigfork ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Bigfork and Ulaanbaatar (Sergelen) takes around 13 hours 10 minutes.

Estimated flight time from Bigfork Municipal Airport, Bigfork, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 13 hours 10 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 • - UBN

Kilometers		9221 km
Statute Miles		5730 miles
Nautical Miles		4976 nm
Avg. Time of Flight		13 hours 10 minutes

Bigfork Municipal Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

Click to see flight route on Google Map between Bigfork, United States and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Bigfork, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Bigfork (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 13 Hours.
Ulaanbaatar (Sergelen) time is 13 Hours ahead of Bigfork.

Location	Local Time
Bigfork (United States)	2026-03-20, 16:40:02 CDT
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-21, 05:40:02 +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

Bigfork Municipal Airport ( / KFOZ) Bigfork, United States

Destination

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