Preah Sihanouk (KOS) — 9 Flight Routes & Destinations
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Hub Brief
Plan your next trip from Preah Sihanouk
Sihanouk International Airport (KOS) connects to 9 destinations (1 domestic, 8 international) served by 6 airlines including Air Cambodia, Vietnam and Ruili. Browse the route map above to find your destination, then click any route for airline comparisons and schedule details.
How does KOS compare?
Alternative airports within 150 miles of Sihanouk International Airport.
| Metric | KOS | KTI |
|---|---|---|
| Distance | — | 103 mi |
| Nonstop Routes | 9 | 25 |
| International | 8 | 24 |
| Airlines | 6 | — |
| Passengers/yr | — | 1.4M |
On-Time Performance
Seasonal & Recently Added Routes
Seasonal services and routes recently added to AIRO from KOS.
Former nonstop destinations from KOS
Destinations that had nonstop service from KOS but don't appear in current schedules. Most remain reachable with a connection — open any route for the flights that used to operate and live options.
Routes by Distance
Distance breakdown of all routes from KOS.
Schedule Overview
Weekly flight schedule summary from KOS.
Sihanouk International Airport: Quick Facts
Comprehensive reference for KOS airport information.
Frequently Asked Questions
Common questions about flights from Sihanouk International Airport.
Sihanouk International Airport offers nonstop flights to 9 destinations, including 1 domestic and 8 international routes.
6 airlines operate scheduled service from Sihanouk International Airport, including major carriers like Air Cambodia, Vietnam and Ruili. Use the airline filter above to see routes by specific carrier.
Yes, Sihanouk International Airport offers 8 international routes across 1 continent.
Yes. Beyond nonstop routes, the route explorer shows 1-stop and 2-stop connections, letting you reach hundreds of additional destinations via major hubs.
Nearby alternatives include KTI. Check the Nearby Airports section above for route counts and distances.
Use the checkboxes in the route list to select routes, then click Compare to see side-by-side stats including frequency, duration, airlines, and on-time performance.
Check the Schedule Overview section for a day-by-day breakdown of route availability from Sihanouk International Airport.
Route data is updated regularly from official airline schedules. Seasonal or newly announced routes may take a few days to appear.
Click any route to see detailed flight options, then use the 'Search Flights' button to check availability and prices on Google Flights.