The average bus between Udon Thani and Samut Prakan takes 9h 40m and the fastest bus takes 9h 9m. The bus service runs several times per day from Udon Thani to Samut Prakan. 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 5 times a day between Udon Thani and Samut Prakan. The earliest departure is at 8:50 AM in the morning, and the last departure from Udon Thani is at 10:30 PM which arrives into Samut Prakan at 7:39 AM. All services require a transfer at Bangkok Nakhonchai Air Terminal and take an average of 9h 40m. The schedules shown below are for the next available departures.


9h 40m • 2 changes

10h 5m • 2 changes

10h • 2 changesArrives next day


9h 33m • 2 changes

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10h 5m • 2 changes

10h • 2 changesArrives next day


9h 33m • 2 changes

9h 40m • 2 changes

10h 5m • 2 changes

10h • 2 changesArrives next day


9h 33m • 2 changes

9h 40m • 2 changes

10h 5m • 2 changes

9h 45m • 2 changesArrives next day


9h 33m • 2 changes

9h 40m • 2 changes

10h 5m • 2 changes

9h 45m • 2 changesArrives next day


9h 33m • 2 changesWant to know about travelling from Udon Thani to Samut Prakan? 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 Samut Prakan. However, there are services departing from Udon Thani station and arriving at Samut Prakan station via Bangkok Nakhonchai Air Terminal. The journey, including transfers, takes approximately 9h 40m.
Udon Thani to Samut Prakan bus services, operated by Nakhonchai Air, depart from Udonthani station.
Udon Thani to Samut Prakan bus services, operated by Nakhonchai Air, arrive at Bangkok Nakhonchai Air Terminal station.
The distance between Udon Thani and Samut Prakan is 484.8 km. The road distance is 589 km.
Nakhonchai Air operates a bus from Udonthani to Bangkok Nakhonchai Air Terminal every 3 hours. Tickets cost ฿650–900 and the journey takes 7h 53m.