Distance From Buli Heliport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Buli Heliport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1658 miles or 2669 kilometers or 1440 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 Buli ( Bhutan ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Buli and Ulaanbaatar (Sergelen) takes around 3 hours 48 minutes.

Estimated flight time from Buli Heliport, Buli, Bhutan to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 3 hours 48 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		2669 km
Statute Miles		1658 miles
Nautical Miles		1440 nm
Avg. Time of Flight		3 hours 48 minutes

Buli Heliport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

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

Nonstop flight route between Buli, Bhutan and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Buli (Bhutan) and Ulaanbaatar (Sergelen) (Mongolia) is 2 Hours.
Ulaanbaatar (Sergelen) time is 2 Hours ahead of Buli.

Location	Local Time
Buli (Bhutan)	2026-03-17, 15:05:23 +06
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-17, 17:05:23 +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

Buli Heliport ( / ) Buli, Bhutan

Destination

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