The average bus between Siem Reap and Chiang Mai takes 19h 10m and the fastest bus takes 18h. The bus service runs several times per day from Siem Reap to Chiang Mai. 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 twice daily between Siem Reap and Chiang Mai. The earliest departure is at 8:00 AM in the morning, and the last departure from Siem Reap is at 9:00 AM which arrives into Chiang Mai at 5:20 AM. All services require a transfer, and take on average 19h 10m. The schedules shown below are for the next available departures.
Arrives next day

18h • 1 change
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20h 20m • 1 change
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18h • 1 change
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20h 20m • 1 change
Arrives next day

18h • 1 change
Arrives next day

20h 20m • 1 change
Arrives next day

18h • 1 change
Arrives next day

20h 20m • 1 change
Want to know about travelling from Siem Reap to Chiang Mai? 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 Siem Reap to Chiang Mai. However, there are services departing from Siem Reap station and arriving at Chiang Mai station via Bangkok Mochit Bus Terminal. The journey, including transfers, takes approximately 19h 10m.
Siem Reap to Chiang Mai bus services, operated by The Transport Company, depart from Siem Reap station.
Siem Reap to Chiang Mai bus services, operated by The Transport Company, arrive at Chiang Mai Bus Terminal 3 station.
Book your Siem Reap to Chiang Mai bus tickets online with The Transport Company and Bangkok Busline.
The distance between Siem Reap and Chiang Mai is 797.2 km. The road distance is 1,068 km.
You can take a bus from Siem Reap to Chiang Mai Bus Terminal 3 via Bangkok Mochit Bus Terminal in around 18h 30m.