The bus between Udon Thani and Siem Reap takes 16h 30m. There is at least one bus per day from Udon Thani to Siem Reap. 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 once daily between Udon Thani and Siem Reap. The earliest departure is at 10:30 PM at night, and the last departure from Udon Thani is at 10:30 PM which arrives into Siem Reap at 3:00 PM. All services require a transfer at Bangkok Nakhonchai Air Terminal and take an average of 16h 30m. The schedules shown below are for the next available departures.
Want to know about travelling from Udon Thani to Siem Reap? 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 Udon Thani to Siem Reap. However, there are services departing from Udon Thani station and arriving at Siem Reap station via Bangkok Nakhonchai Air Terminal. The journey, including transfers, takes approximately 16h 30m.
Udon Thani to Siem Reap bus services, operated by Nakhonchai Air, depart from Udonthani station.
Udon Thani to Siem Reap bus services, operated by Nakhonchai Air, arrive at Siem Reap station.
Book your Udon Thani to Siem Reap bus tickets online with Nakhonchai Air, Thai Smile Bus and The Transport Company.
The distance between Udon Thani and Siem Reap is 465.3 km. The road distance is 951 km.
You can take a bus from Udonthani to Siem Reap via Bangkok Nakhonchai Air Terminal, นครชัยแอร์;Nakhonchai Air, หน้าท่ารถตู้ต่างจังหวัด หมอชิต 2;Front Mochit 2 Intercty Van Terminal, and Bangkok Mochit Bus Terminal in around 16h.
