Distance From Phnom Penh International Airport to Ulaanbaatar Chinggis Khaan International Airport, PNH - UBN Distance

The distance from Phnom Penh International Airport (PNH) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 2497 miles or 4019 kilometers or 2169 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.

---

How long does it take to travel from Phnom Penh (Pou Senchey) ( Cambodia ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Phnom Penh (Pou Senchey) and Ulaanbaatar (Sergelen) takes around 5 hours 44 minutes.

Estimated flight time from Phnom Penh International Airport, Phnom Penh (Pou Senchey), Cambodia to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 5 hours 44 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 • PNH - UBN

Kilometers		4019 km
Statute Miles		2497 miles
Nautical Miles		2169 nm
Avg. Time of Flight		5 hours 44 minutes

Phnom Penh International Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - PNH to UBN Flight Path

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

Click to see flight route on Google Map between Phnom Penh (Pou Senchey), Cambodia and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Phnom Penh (Pou Senchey), Cambodia and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • PNH - UBN

Time difference between Phnom Penh (Pou Senchey) (Cambodia) and Ulaanbaatar (Sergelen) (Mongolia) is 1 Hours.
Ulaanbaatar (Sergelen) time is 1 Hours ahead of Phnom Penh (Pou Senchey).

Location	Local Time
Phnom Penh (Pou Senchey) (Cambodia)	2026-03-19, 03:12:03 +07
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-19, 04:12:03 +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

Phnom Penh International Airport (PNH / VDPP) Phnom Penh (Pou Senchey), Cambodia

Destination

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