Distance From Leskovo Airfield to Ulaanbaatar Chinggis Khaan International Airport

The distance from Leskovo Airfield () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 3658 miles or 5887 kilometers or 3177 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 Leskovo ( Bulgaria ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Leskovo and Ulaanbaatar (Sergelen) takes around 8 hours 24 minutes.

Estimated flight time from Leskovo Airfield, Leskovo, Bulgaria to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 8 hours 24 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		5887 km
Statute Miles		3658 miles
Nautical Miles		3177 nm
Avg. Time of Flight		8 hours 24 minutes

Leskovo Airfield to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

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

Nonstop flight route between Leskovo, Bulgaria and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

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

Location	Local Time
Leskovo (Bulgaria)	2025-12-14, 00:10:15 EET
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-14, 06:10:15 +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

Leskovo Airfield ( / ) Leskovo, Bulgaria

Destination

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