Cheap flights from Preah Sihanouk (KOS)

Coastal gateway to Cambodia's Sihanoukville beaches and islands

Sihanouk International serves Preah Sihanouk on Cambodia's southwest coast, sitting about 18 km east of central Sihanoukville. It is the springboard for Koh Rong, Koh Rong Sanloem and other Gulf of Thailand islands. AirAsia, Cambodia Angkor Air and Sky Angkor Airlines operate domestic and regional service to Phnom Penh, Siem Reap, Kuala Lumpur and a thin Chinese network that has fluctuated since 2020.

Why search this airport on Flightmussy

Airlines flying from Preah Sihanouk (KOS)

Major carriers: Cambodia Angkor Air, Sky Angkor Airlines, AirAsia. Low-cost carriers: AirAsia, VietJet Air.

Popular destinations from Preah Sihanouk (KOS)

Frequently asked questions

How far is Sihanoukville airport from the beach?
KOS is about 18 km east of central Sihanoukville and the popular Otres and Serendipity beaches. A taxi takes 25-30 minutes. Ferry piers for Koh Rong are in town near the port, so add another 10-15 minutes. Flightmussy is free and needs no signup, so you can plan transfers without an account.
Which low-cost carriers fly to KOS?
AirAsia connects KOS with Kuala Lumpur, while VietJet Air has run thin service from Vietnamese hubs. Cambodia Angkor Air and Sky Angkor Airlines handle most domestic flights to Phnom Penh and Siem Reap. Flightmussy surfaces these LCC options because Google Flights frequently de-prioritises them against legacy regional carriers.
What is the cheapest month to fly to Sihanoukville?
Wet-season months May through October typically show the lowest fares, with September the rainiest and cheapest. Peak prices hit Christmas, New Year and the February-March dry season. Khmer New Year in April spikes domestic fares. The Flightmussy 12-month fare heatmap surfaces exactly which week each year is cheapest.
Are there direct flights from KOS to China?
Direct service between Sihanoukville and Chinese cities has fluctuated heavily since 2020 and is currently thin. Routes via Phnom Penh on Cambodia Angkor Air or via Kuala Lumpur on AirAsia are the most reliable one-stop options. Flightmussy compares both on a single page, with no signup required.

Other airports in Cambodia

About SpinMussy

SpinMussy is a free flight meta-search built by one person in Oslo. Pick a departure airport, spin the globe, and land on a random international destination — then SpinMussy instantly searches cheap flights there. No signup, no ads, no tracking, no email capture. Compare fares across airlines and see 12 months of prices at a glance — including low-cost carriers Google Flights often deprioritises (Widerøe, Wizz Air, Norwegian, Ryanair). Pay with a card at the airline, or use the Crypto button on any result to check out in BTC, ETH, USDT, BNB or AVA via Travala.

Popular routes from Oslo

Popular routes from Stockholm, Copenhagen and Helsinki

Popular routes from other European hubs

Browse by origin

Read the blog →