Direct (nonstop) flights from Ulaanbaatar to Hanoi
1 airline flys nonstop from Chinggis Khan International Airport (UBN) to Noibai International (HAN). It's 1,822 miles (2,933 km), about 4h 30m in the air. Operated by Aero Mongolia.
Aero Mongolia
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Ulaanbaatar to Hanoi with one stop · direct emits 308 kg CO₂ per passenger
Looking for the return flight?
HAN → UBN: Flights from Hanoi to UlaanbaatarOther direct flights from Ulaanbaatar
Direct flights from Hanoi (HAN)
Frequently Asked Questions
How long is the direct flight from Ulaanbaatar to Hanoi?
A nonstop flight from Ulaanbaatar (UBN) to Hanoi (HAN) takes approximately 4 hours and 30 minutes. The distance is 1,822 miles (2,933 km).
Which airlines fly nonstop from Ulaanbaatar to Hanoi?
Just Aero Mongolia.
Is there a nonstop flight from Ulaanbaatar to Hanoi?
Yes. 1 airline: Aero Mongolia.
How far is Ulaanbaatar from Hanoi?
The flight distance from Ulaanbaatar to Hanoi is 1,822 miles (2,933 km), measured as the great-circle (shortest air) distance.
What is the time difference between Ulaanbaatar and Hanoi?
Hanoi is 1 hour behind Ulaanbaatar. (Asia/Ulaanbaatar vs Asia/Ho_Chi_Minh.)
What type of aircraft flies from Ulaanbaatar to Hanoi?
At 4h 30m, 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 Mongolia to Viet Nam?
Depends on your passport. Check with the Viet Nam embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Ulaanbaatar to Hanoi?
Roughly 308 kg CO2 per passenger one-way. That's about the same as driving 1,540 km.
Is the return flight from Hanoi to Ulaanbaatar also nonstop?
Check the HAN to UBN route page for return options.
When is the cheapest time to fly from Ulaanbaatar to Hanoi?
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 Chinggis Khan International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.