Direct (nonstop) flights from Hong Kong to Ulaanbaatar
1 airline flys nonstop from Hong Kong International Airport (HKG) to Chinggis Khan International Airport (UBN). It's 1,790 miles (2,881 km), about 4h 40m in the air. Operated by Miat - Mongolian Airlines.
Miat - Mongolian Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
OM
Miat - Mongolian Airlines
Alternative Routes
Other ways to fly from Hong Kong to Ulaanbaatar with one stop · direct emits 303 kg CO₂ per passenger
Looking for the return flight?
UBN → HKG: Flights from Ulaanbaatar to Hong KongOther direct flights from Hong Kong
Direct flights from Ulaanbaatar (UBN)
Frequently Asked Questions
How long is the direct flight from Hong Kong to Ulaanbaatar?
A nonstop flight from Hong Kong (HKG) to Ulaanbaatar (UBN) takes approximately 4 hours and 40 minutes. The distance is 1,790 miles (2,881 km).
Which airlines fly nonstop from Hong Kong to Ulaanbaatar?
Just Miat - Mongolian Airlines.
Is there a nonstop flight from Hong Kong to Ulaanbaatar?
Yes. 1 airline: Miat - Mongolian Airlines.
How far is Hong Kong from Ulaanbaatar?
The flight distance from Hong Kong to Ulaanbaatar is 1,790 miles (2,881 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Hong Kong to Ulaanbaatar?
At 4h 40m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Hong Kong SAR to Mongolia?
Depends on your passport. Check with the Mongolia embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Hong Kong to Ulaanbaatar?
Roughly 303 kg CO2 per passenger one-way. That's about the same as driving 1,515 km.
Is the return flight from Ulaanbaatar to Hong Kong also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Hong Kong to Ulaanbaatar?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Hong Kong International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.