The average bus between Siam Square (Station) and Rayong takes 5h and the fastest bus takes 4h 14m. There is a bus service every few hours from Siam Square (Station) to Rayong. 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 hourly between Siam Square (Station) and Rayong. The earliest departure is at 6:15 AM in the morning, and the last departure from Siam Square (Station) is at 10:00 PM which arrives into Rayong at 8:30 AM. All services require a transfer at หน้าท่ารถตู้ต่างจังหวัด หมอชิต 2;Front Mochit 2 Intercty Van Terminal and take an average of 5h. The schedules shown below are for the next available departures.

4h 19m • 1 change

4h 44m • 1 change

4h 49m • 1 change

4h 54m • 1 change

4h 19m • 1 change

4h 44m • 1 change

4h 49m • 1 change

4h 54m • 1 change

4h 19m • 1 change

4h 44m • 1 change

4h 49m • 1 change

4h 54m • 1 change
Want to know about travelling from Siam Square (Station) to Rayong? 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 Siam Square (Station) to Rayong. However, there are services departing from Siam Square (Station) station and arriving at Rayong station via หน้าท่ารถตู้ต่างจังหวัด หมอชิต 2;Front Mochit 2 Intercty Van Terminal. The journey, including transfers, takes approximately 5h.
Siam Square (Station) to Rayong bus services, operated by Bangkok Mass Transit Authority, depart from สยามเซ็นเตอร์;Siam Center station.
Siam Square (Station) to Rayong bus services, operated by Bangkok Mass Transit Authority, arrive at Rayong Tour Office Sai 4 station.
Book your Siam Square (Station) to Rayong bus tickets online with Bangkok Mass Transit Authority and Rayong Tour.
The distance between Siam Square (Station) and Rayong is 141.9 km. The road distance is 200 km.
You can take a bus from สยามเซ็นเตอร์;Siam Center to Rayong Tour Office Sai 4 via หน้าท่ารถตู้ต่างจังหวัด หมอชิต 2;Front Mochit 2 Intercty Van Terminal and Mochit Terminal Platform 3 in around 5h 19m.