Direct (nonstop) flights from Singapore to Koh Samui
2 airlines fly nonstop from Singapore Changi Airport (SIN) to Samui (USM). It's 624 miles (1,004 km), about 1h 55m in the air. Operated by Bangkok Airways, Scoot.
Bangkok Airways
Scoot
Route data last updated: May 26, 2026
Airlines with non-stop flights
PG
Bangkok Airways
Alternative Routes
Other ways to fly from Singapore to Koh Samui with one stop · direct emits 115 kg CO₂ per passenger
Looking for the return flight?
USM → SIN: Flights from Koh Samui to SingaporeOther direct flights from Singapore
Direct flights from Koh Samui (USM)
Frequently Asked Questions
How long is the direct flight from Singapore to Koh Samui?
A nonstop flight from Singapore (SIN) to Koh Samui (USM) takes approximately 1 hours and 55 minutes. The distance is 624 miles (1,004 km).
Which airlines fly nonstop from Singapore to Koh Samui?
2 airlines: Bangkok Airways, Scoot.
Is there a nonstop flight from Singapore to Koh Samui?
Yes. 2 airlines: Bangkok Airways, Scoot.
How far is Singapore from Koh Samui?
The flight distance from Singapore to Koh Samui is 624 miles (1,004 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What is the time difference between Singapore and Koh Samui?
Koh Samui is 1 hour behind Singapore. (Asia/Singapore vs Asia/Bangkok.)
What type of aircraft flies from Singapore to Koh Samui?
At 1h 55m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Singapore to Thailand?
Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Singapore to Koh Samui?
Roughly 115 kg CO2 per passenger one-way. That's about the same as driving 575 km.
Is the return flight from Koh Samui to Singapore 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 Singapore to Koh Samui?
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 Singapore Changi Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.