The average bus between Udon Thani and Chiang Rai (State) takes 15h 16m and the fastest bus takes 13h 15m. The bus service runs several times per day from Udon Thani to Chiang Rai (State). 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 Udon Thani and Chiang Rai (State). The earliest departure is at 2:45 PM in the afternoon, and the last departure from Udon Thani is at 9:00 PM which arrives into Chiang Rai (State) at 2:35 PM. All services require a transfer, and take on average 15h 16m. The schedules shown below are for the next available departures.
Arrives next day

13h 15m • 1 change
Arrives next day

17h 35m • 1 change
Arrives next day

13h 15m • 1 change
Arrives next day

17h 35m • 1 change
Arrives next day

13h 15m • 1 change
Arrives next day

17h 35m • 1 change
Arrives next day

13h 15m • 1 change
Arrives next day

17h 35m • 1 change
Want to know about travelling from Udon Thani to Chiang Rai (State)? 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 Chiang Rai (State). However, there are services departing from Udon Thani station and arriving at Chiang Rai (State) station via Lampang. The journey, including transfers, takes approximately 15h 16m.
Udon Thani to Chiang Rai (State) bus services, operated by Phetprasert Tour, depart from Udon Thani station.
Udon Thani to Chiang Rai (State) bus services, operated by Phetprasert Tour, arrive at Chiang Rai station.
The distance between Udon Thani and Chiang Rai (State) is 418.9 km. The road distance is 861 km.
You can take a bus from Udon Thani to Chiang Rai via Lampang in around 14h 4m.