There are 9 direct nonstop flight destinations from Koh Samui Samui (USM), served by 2 airlines. 6 are domestic routes and 3 are international non-stop flights. The longest direct flight goes to Chengdu (TFU), with a non-stop flight time of 3h 30m.
Route data last updated: May 29, 2026
Most Popular from Koh Samui
Busiest routes by number of airlines
🍃 Lowest-carbon direct flights from Koh Samui
Shortest nonstop routes from USM — direct flights cut takeoff/climb fuel burn vs. taking a layover
Airlines from Koh Samui
About Samui (USM)
Frequently Asked Questions
How many direct flights are there from Koh Samui (USM)?
9 nonstop destinations from Koh Samui (USM), across 2 airlines. 6 domestic, 3 international.
Which airlines fly from Koh Samui (USM)?
2 airlines fly nonstop from Koh Samui (USM). Full list is in the airline section above.
What is the longest nonstop flight from Koh Samui (USM)?
Chengdu (TFU) — 1,456 miles, about 3h 30m.
Can I fly internationally from Koh Samui (USM)?
Yes — 3 international nonstop destinations from USM.
How early should I arrive at Samui?
2 hours for domestic, 3 hours for international. Standard advice for check-in, security, and immigration.
What timezone is Koh Samui (USM) in?
Asia/Bangkok.