Direct (nonstop) flights from Bangkok to Siem Reap
1 airline flys nonstop from Don Mueang International Airport (DMK) to Siem Reap-Ankor International Airport (SAI). It's 245 miles (395 km), about 1h in the air. Operated by Thai AirAsia.
Thai AirAsia
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Bangkok to Siem Reap with one stop · direct emits 45 kg CO₂ per passenger
Looking for the return flight?
SAI → DMK: Flights from Siem Reap to BangkokOther direct flights from Bangkok
Direct flights from Siem Reap (SAI)
Frequently Asked Questions
How long is the direct flight from Bangkok to Siem Reap?
A nonstop flight from Bangkok (DMK) to Siem Reap (SAI) takes approximately 1 hours. The distance is 245 miles (395 km).
Which airlines fly nonstop from Bangkok to Siem Reap?
Just Thai AirAsia.
Is there a nonstop flight from Bangkok to Siem Reap?
Yes. 1 airline: Thai AirAsia.
How far is Bangkok from Siem Reap?
The flight distance from Bangkok to Siem Reap is 245 miles (395 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Bangkok to Siem Reap?
At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Thailand 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 Bangkok to Siem Reap?
Roughly 45 kg CO2 per passenger one-way. That's about the same as driving 225 km.
Is the return flight from Siem Reap to Bangkok 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 Bangkok 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 Don Mueang International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.