The average bus between Phnom Penh and Chiang Rai takes 25h 26m and the fastest bus takes 23h 55m. The bus service runs several times per day from Phnom Penh to Chiang Rai. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between Phnom Penh and Chiang Rai. The earliest departure is at 5:00 AM in the morning, and the last departure from Phnom Penh is at 10:45 PM which arrives into Chiang Rai at 4:00 AM. All services require a transfer, and take on average 25h 26m. The schedules shown below are for the next available departures.
Arrives next day

24h 30m • 1 change
Arrives next day

23h 55m • 1 change
Arrives next day

24h 35m • 1 change
Arrives +2 days

29h 15m • 1 change
Arrives next day

24h 30m • 1 change
Arrives next day

23h 55m • 1 change
Arrives next day

24h 35m • 1 change
Arrives +2 days

29h 15m • 1 change
Arrives next day

24h 30m • 1 change
Arrives next day

23h 55m • 1 change
Arrives next day

24h 35m • 1 change
Arrives +2 days

29h 15m • 1 change
Arrives next day

24h 30m • 1 change
Arrives next day

23h 55m • 1 change
Arrives next day

24h 35m • 1 change
Arrives +2 days

29h 15m • 1 change
Want to know about travelling from Phnom Penh to Chiang Rai? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Phnom Penh to Chiang Rai. However, there are services departing from Phnom Penh station and arriving at Chiang Rai station via Bangkok Mochit Bus Terminal. The journey, including transfers, takes approximately 25h 26m.
Phnom Penh to Chiang Rai bus services, operated by Virak Buntham, depart from Phnom Penh station.
Phnom Penh to Chiang Rai bus services, operated by Virak Buntham, arrive at Chiang Rai station.
The distance between Phnom Penh and Chiang Rai is 1,075.5 km. The road distance is 1,521 km.
You can take a bus from Phnom Penh to Chiang Rai via Bangkok Mochit Bus Terminal in around 26h.