Direct (nonstop) flights from Hanoi to Siem Reap
2 airlines fly nonstop from Noibai International (HAN) to Siem Reap-Ankor International Airport (SAI). It's 549 miles (884 km), about 1h 40m in the air. Operated by VietJet Air, Vietnam Airlines.
VietJet Air
Vietnam Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
VN
Vietnam Airlines
Alternative Routes
Other ways to fly from Hanoi to Siem Reap with one stop · direct emits 102 kg CO₂ per passenger
Looking for the return flight?
SAI → HAN: Flights from Siem Reap to HanoiOther direct flights from Hanoi
Direct flights from Siem Reap (SAI)
Frequently Asked Questions
How long is the direct flight from Hanoi to Siem Reap?
A nonstop flight from Hanoi (HAN) to Siem Reap (SAI) takes approximately 1 hours and 40 minutes. The distance is 549 miles (884 km).
Which airlines fly nonstop from Hanoi to Siem Reap?
2 airlines: VietJet Air, Vietnam Airlines.
Is there a nonstop flight from Hanoi to Siem Reap?
Yes. 2 airlines: VietJet Air, Vietnam Airlines.
How far is Hanoi from Siem Reap?
The flight distance from Hanoi to Siem Reap is 549 miles (884 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Hanoi to Siem Reap?
At 1h 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Viet Nam to Cambodia?
Depends on your passport. Check with the Cambodia embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Hanoi to Siem Reap?
Roughly 102 kg CO2 per passenger one-way. That's about the same as driving 510 km.
Is the return flight from Siem Reap to Hanoi 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 Hanoi to Siem Reap?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Noibai International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.