There are 10 direct nonstop flight destinations from Sihanoukville Sihanoukville (KOS), served by 5 airlines. 2 are domestic routes and 8 are international non-stop flights. The longest direct flight goes to Wuxi (WUX), with a non-stop flight time of 4h 13m.
Route data last updated: May 31, 2026
Most Popular from Sihanoukville
Busiest routes by number of airlines
🍃 Lowest-carbon direct flights from Sihanoukville
Shortest nonstop routes from KOS — direct flights cut takeoff/climb fuel burn vs. taking a layover
Airlines from Sihanoukville
About Sihanoukville (KOS)
Frequently Asked Questions
How many direct flights are there from Sihanoukville (KOS)?
10 nonstop destinations from Sihanoukville (KOS), across 5 airlines. 2 domestic, 8 international.
Which airlines fly from Sihanoukville (KOS)?
5 airlines fly nonstop from Sihanoukville (KOS). Full list is in the airline section above.
What is the longest nonstop flight from Sihanoukville (KOS)?
Wuxi (WUX) — 1,796 miles, about 4h 13m.
Can I fly internationally from Sihanoukville (KOS)?
Yes — 8 international nonstop destinations from KOS.
How early should I arrive at Sihanoukville?
2 hours for domestic, 3 hours for international. Standard advice for check-in, security, and immigration.
What timezone is Sihanoukville (KOS) in?
Asia/Phnom_Penh.