Direct (nonstop) flights from Koh Samui to Chiang Mai
1 airline flys nonstop from Samui (USM) to Chiang Mai Intl (CNX). It's 638 miles (1,026 km), about 1h 50m in the air. Operated by Bangkok Airways.
Bangkok Airways
Route data last updated: May 27, 2026
Airlines with non-stop flights
PG
Bangkok Airways
Alternative Routes
Other ways to fly from Koh Samui to Chiang Mai with one stop · direct emits 118 kg CO₂ per passenger
Looking for the return flight?
CNX → USM: Flights from Chiang Mai to Koh SamuiOther direct flights from Koh Samui
Direct flights from Chiang Mai (CNX)
Frequently Asked Questions
How long is the direct flight from Koh Samui to Chiang Mai?
A nonstop flight from Koh Samui (USM) to Chiang Mai (CNX) takes approximately 1 hours and 50 minutes. The distance is 638 miles (1,026 km).
Which airlines fly nonstop from Koh Samui to Chiang Mai?
Just Bangkok Airways.
Is there a nonstop flight from Koh Samui to Chiang Mai?
Yes. 1 airline: Bangkok Airways.
How far is Koh Samui from Chiang Mai?
The flight distance from Koh Samui to Chiang Mai is 638 miles (1,026 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Koh Samui to Chiang Mai?
At 1h 50m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Koh Samui to Chiang Mai?
Roughly 118 kg CO2 per passenger one-way. That's about the same as driving 590 km.
Is the return flight from Chiang Mai to Koh Samui 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 Koh Samui to Chiang Mai?
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 Samui for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.