There are 5 ways to get from Chiang Rai to Sihanoukville by plane, bus, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly
best- Fly from Mae Fah Luang-Chiang Rai International Airport (CEI) to Sihanoukville (KOS)plane CEI - KOS
16h 22m$274–595Bus, train via Bangkok
cheapest- Take the bus from Jed Yod Cafe to Chiang Mai Train Stationbus
- Take the train from Chiang Mai to Krung Thep Aphiwat Central Terminaltrain 52
- Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
- Take the train from Phnom Penh Station to Sihanoukville stationtrain
38h 50m$69–128Bus via Bangkok
- Take the bus from Chiang Rai Nakhonchaiair to Nakhonchaiair Station Bangkokbus
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
29h 45m$76–79Bus, train
- Take the bus from Jed Yod Cafe to Chiang Mai Train Stationbus
- Take the train from Chiang Mai to Krung Thep Aphiwat Central Terminaltrain 52
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
35h 13m$72–93Bus
- Take the bus from Chiang Rai Transfer to Vientiane stationbus
- Take the bus from Southern Bus Station Vientiane to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
43h 38m$155–157
Mae Fah Luang-Chiang Rai International Airport (CEI) to Sihanoukville (KOS) flights
Comparing Your Travel Options
The cheapest way to get from Chiang Rai to Sihanoukville is to bus and train which costs $70 - $95 and takes 35h 13m.
The fastest way to get from Chiang Rai to Sihanoukville is to fly which takes 16h 22m and costs $270 - $600.
No, there is no direct bus from Chiang Rai to Sihanoukville. However, there are services departing from Chiang Rai Nakhonchaiair and arriving at Sihanoukville Bus Terminal via Nakhonchai Air, Bangkok Mochit Bus Terminal and Phnom Penh. The journey, including transfers, takes approximately 29h 45m.
The distance between Chiang Rai and Sihanoukville is 1145 km.
The best way to get from Chiang Rai to Sihanoukville without a car is to bus via Bangkok which takes 29h 45m and costs $76 - $79.
It takes approximately 16h 22m to get from Chiang Rai to Sihanoukville, including transfers.
Chiang Rai to Sihanoukville bus services, operated by Nakhonchai Air, depart from Chiang Rai Nakhonchaiair station.
The best way to get from Chiang Rai to Sihanoukville is to fly which takes 16h 22m and costs $270 - $600. Alternatively, you can bus via Bangkok, which costs $76 - $79 and takes 29h 45m.
Chiang Rai to Sihanoukville bus services, operated by Nakhonchai Air, arrive at Nakhonchaiair Station Bangkok.
Book your Chiang Rai to Sihanoukville bus tickets online with 12go.asia.
What companies run services between Chiang Rai, Thailand and Sihanoukville, Cambodia?
Thai Airways International, Cambodia Angkor Air, and four other airlines fly from Mae Fah Luang-Chiang Rai International Airport (CEI) to Sihanoukville (KOS) 5 times a day. Alternatively, you can take a bus from Chiang Rai Nakhonchaiair to Sihanoukville Bus Terminal via Nakhonchai Air, Front Mochit 2 Intercty Van Terminal, Bangkok Mochit Bus Terminal, and Phnom Penh in around 29h 45m.
- Website
- cambodiaangkorair.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Don Muang, Siem Reap
- Ave. Duration
- 15h 55m
- When
- Every day
- Estimated price
- $160–460
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Don Muang, Tan Son Nhat
- Ave. Duration
- 17h 25m
- When
- Every day
- Estimated price
- $190–550
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Suvarnabhumi, Siem Reap
- Ave. Duration
- 18h 20m
- When
- Every day
- Estimated price
- $240–650
- Website
- katmaiair.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Singapore Changi, Kuala Lumpur
- Ave. Duration
- 20h 30m
- When
- Friday
- Estimated price
- $220–700
- Phone
- 1690
- [email protected]
- Website
- railway.co.th
Train from Chiang Mai to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 13h 10m
- Frequency
- Hourly
- Estimated price
- $5–26
- Book at
- 12go.asia
- Website
- railway.co.th
- 1st Class (Air-Conditioned Berth)
- $19–26
- 3rd Class (Seat)
- $6–8
- 2nd Class (Air-Conditioned Berth)
- $5–8
- 2nd Class (Air-conditioned Seat)
- $14–16
Train from Chiang Mai to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 13h 10m
- Frequency
- Hourly
- Estimated price
- $5–26
- Book at
- 12go.asia
- Website
- railway.co.th
- 1st Class (Air-Conditioned Berth)
- $19–26
- 3rd Class (Seat)
- $6–8
- 2nd Class (Air-Conditioned Berth)
- $5–8
- 2nd Class (Air-conditioned Seat)
- $14–16
- Phone
- +855 78 888 582
- [email protected]
- Website
- royalrailway.easybook.com
Train from Phnom Penh Station to Sihanoukville station
- Ave. Duration
- 6h 36m
- Frequency
- Once daily
- Estimated price
- $14–30
- Schedules at
- facebook.com
- Book at
- 12go.asia
- Phone
- 1624
- [email protected]
- Website
- Nakhonchai Air
Bus from Chiang Rai Nakhonchaiair to Nakhonchaiair Station Bangkok
- Ave. Duration
- 12h 10m
- Frequency
- Once daily
- Estimated price
- $26–31
- Book at
- 12go.asia
- Website
- Nakhonchai Air
- Website
- 12go.asia
Bus from Phnom Penh to Sihanoukville Bus Terminal
- Ave. Duration
- 3h
- Frequency
- Every 4 hours
- Estimated price
- $14
- Book at
- 12go.asia
Bus from Phnom Penh to Sihanoukville Bus Terminal
- Ave. Duration
- 3h
- Frequency
- Every 4 hours
- Estimated price
- $14
- Book at
- 12go.asia
Bus from Phnom Penh to Sihanoukville Bus Terminal
- Ave. Duration
- 3h
- Frequency
- Every 4 hours
- Estimated price
- $14
- Book at
- 12go.asia
- Phone
- +66 2 225 1025
- [email protected]
- Website
- Pai Friendly Tour
Bus from Jed Yod Cafe to Chiang Mai Train Station
- Ave. Duration
- 3h 30m
- Frequency
- Once daily
- Estimated price
- $20
- Website
- Pai Friendly Tour
Bus from Jed Yod Cafe to Chiang Mai Train Station
- Ave. Duration
- 3h 30m
- Frequency
- Once daily
- Estimated price
- $20
- Website
- Pai Friendly Tour
- Phone
- (+855) 81 911 911
- [email protected]
- Website
- vireakbuntham.com
Bus from Bangkok to Phnom Penh Virak Buntham Express
- Ave. Duration
- 12h
- Frequency
- Every 4 hours
- Estimated price
- $29–50
- Schedules at
- vireakbuntham.com
- Book at
- 12go.asia
- Phone
- +66 2 285 1085
- [email protected]
- Website
- 12go.co
Bus from Chiang Rai Transfer to Vientiane station
- Ave. Duration
- 14h
- Frequency
- Once daily
- Estimated price
- $69
- Book at
- Yortdoy Travel
- Website
- easybook.com
Bus from Southern Bus Station Vientiane to Phnom Penh
- Ave. Duration
- 24h
- Frequency
- Twice daily
- Estimated price
- $69–70
- Book at
- bookaway.com
Want to know more about travelling around the world?
Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including How to get from Florence to Rome, Travelling Croatia’s Dalmatian Coast by boat, bus, car and train, and Getting to Milan from the airport - to help you get the most out of your next trip.
Booking & Getting There
There are 109+ hotels available in Sihanoukville.




















