There are 6 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 27m$274–595Bus, train via Lampang
cheapest- Take the bus from Chiang Rai to Lampangbus
- Take the train from Nakhon Lampang 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
35h 51m$64–130Bus via Bangkok
- Take the bus from Chiang Rai to Bangkok Nakhonchai Air Terminalbus
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
27h 45m$77–79Bus
- Take the bus from Chiang Rai to Bangkok Mochit Bus Terminalbus
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
28h 30m$68–96Bus, 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
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
31h 45m$73–93Bus via Bangkok #2
- Take the bus from Chiang Rai Nakhonchaiair to Nakhonchaiair Station Bangkokbus
- Take the bus from Bangkok Khao San Road to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
32h 46m$79–82
Chiang Rai to Sihanoukville by bus
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 31h 45m.
The fastest way to get from Chiang Rai to Sihanoukville is to fly which takes 16h 27m and costs $270 - $600.
No, there is no direct bus from Chiang Rai to Sihanoukville. However, there are services departing from Chiang Rai and arriving at Sihanoukville Bus Terminal via Nakhonchai Air, Bangkok Mochit Bus Terminal and Phnom Penh. The journey, including transfers, takes approximately 27h 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 27h 45m and costs $76 - $80.
It takes approximately 16h 27m to get from Chiang Rai to Sihanoukville, including transfers.
Chiang Rai to Sihanoukville bus services, operated by Nakhonchai Air, depart from Chiang Rai station.
The best way to get from Chiang Rai to Sihanoukville is to fly which takes 16h 27m and costs $270 - $600. Alternatively, you can bus via Bangkok, which costs $76 - $80 and takes 27h 45m.
Chiang Rai to Sihanoukville bus services, operated by Nakhonchai Air, arrive at Bangkok Nakhonchai Air Terminal station.
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 six 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 to Sihanoukville Bus Terminal via Bangkok Nakhonchai Air Terminal, Nakhonchai Air, Front Mochit 2 Intercty Van Terminal, Bangkok Mochit Bus Terminal, and Phnom Penh in around 27h 45m.
- Website
- vietnamairlines.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Don Muang, Siem Reap
- Ave. Duration
- 16h
- 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
- 16h 55m
- When
- Every day
- Estimated price
- $180–550
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Suvarnabhumi, Tan Son Nhat
- Ave. Duration
- 18h 15m
- When
- Every day
- Estimated price
- $200–600
- Website
- cambodiaangkorair.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Don Muang, Siem Reap
- Ave. Duration
- 16h
- 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
- 16h 55m
- When
- Every day
- Estimated price
- $180–550
- Website
- katmaiair.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Singapore Changi, Kuala Lumpur
- Ave. Duration
- 16h 45m
- When
- Friday
- Estimated price
- $210–700
- Website
- cambodia-airways.com
Flights from Mae Fah Luang-Chiang Rai International Airport to Sihanoukville via Suvarnabhumi, Siem Reap
- Ave. Duration
- 17h 35m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $240–650
- Website
- Thai Railway
Train from Nakhon Lampang to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 10h 33m
- Frequency
- Every 2 hours
- Estimated price
- $6–50
- Schedules at
- Thai Railway
Train from Chiang Mai to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 13h 10m
- Frequency
- Every 2 hours
- Estimated price
- $6–50
- Schedules at
- Thai Railway
- Phone
- 1690
- sarabanklang@railway.co.th
- Website
- railway.co.th
Train from Nakhon Lampang to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 11h 6m
- Frequency
- Twice daily
- Estimated price
- $6–26
- Book at
- 12go.asia
- Website
- railway.co.th
- 1st Class (Air-Conditioned Berth)
- $18–26
- 3rd Class (Seat)
- $6–9
- 2nd Class (Air-Conditioned Berth)
- $6–9
- 2nd Class (Air-conditioned Seat)
- $15–17
Train from Chiang Mai to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 10h 5m
- Frequency
- Hourly
- Estimated price
- $6–26
- Book at
- 12go.asia
- Website
- railway.co.th
- 1st Class (Air-Conditioned Berth)
- $18–26
- 3rd Class (Seat)
- $6–9
- 2nd Class (Air-Conditioned Berth)
- $6–9
- 2nd Class (Air-conditioned Seat)
- $15–17
- Phone
- +855 78 888 582
- cambodia@easybook.com
- 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
- customerservice@nakhonchaiair.com
- Website
- Nakhonchai Air
Bus from Chiang Rai to Bangkok Nakhonchai Air Terminal
- Ave. Duration
- 10h 10m
- Frequency
- Twice daily
- Estimated price
- $28–32
- Book at
- 12go.asia
- 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
Bus from Phnom Penh to Sihanoukville Bus Terminal
- Ave. Duration
- 3h
- Frequency
- Every 4 hours
- Estimated price
- $14
- Book at
- 12go.asia
- Phone
- +66 2 936 3256
- Website
- Sombat Tour
Bus from Chiang Rai to Lampang
- Ave. Duration
- 2h 48m
- Frequency
- Every 4 hours
- Estimated price
- $13
- Book at
- 12 Go
- Website
- Sombat Tour
Bus from Chiang Rai to Bangkok Mochit Bus Terminal
- Ave. Duration
- 11h
- Frequency
- Every 4 hours
- Estimated price
- $20–50
- Book at
- 12 Go
- Website
- Sombat Tour
- VIP
- $32
- Express
- $20–26
- Phone
- +66 5326 6480
- servicecenter@greenbusthailand.com
- Website
- Green Bus Thailand
Bus from Chiang Rai to Lampang
- Ave. Duration
- 4h 50m
- Frequency
- Once daily
- Estimated price
- $13–21
- Book at
- 12 Go
- Website
- Green Bus Thailand
- Phone
- (+855) 81 911 911
- support@virakbuntham.com
- 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 2 225 1025
- booking@paifriendlytour.co.th
- 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
- 02 629 1300
- Website
- 12go.asia
Bus from Bangkok Khao San Road to Phnom Penh
- Ave. Duration
- 14h 35m
- Frequency
- Every 4 hours
- Estimated price
- $36
- Schedules at
- travelmartbangkok.com
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Booking & Getting There
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