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 service departs Udon Thani at 10:30 PM at night, which arrives into Siem Reap at 15:00:00. All services require a transfer, and take on average 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 Udonthani station and arriving at Siem Reap station via Bangkok Mochit Bus Terminal station. 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 The Transport Company, arrive at Siem Reap station.
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The distance between Udon Thani and Siem Reap is 465.3 km.
You can take a bus from Udonthani to Siem Reap via Bangkok Mochit Bus Terminal in around 16h 3m.
