The average bus between Pattaya and Siam Square takes 3h 22m and the fastest bus takes 3h 3m. There is a bus service every few hours from Pattaya to Siam Square. 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 Pattaya and Siam Square. The earliest departure is at 4:30 AM at night, and the last departure from Pattaya is at 10:00 PM which arrives into Siam Square at 5:24 AM. All services require a transfer at Bangkok Eastern Bus Terminal and take an average of 3h 22m. The schedules shown below are for the next available departures.

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Want to know about travelling from Pattaya to Siam Square? 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 Pattaya to Siam Square. However, there are services departing from Pattaya station and arriving at Siam Square station via Bangkok Eastern Bus Terminal. The journey, including transfers, takes approximately 3h 22m.
Pattaya to Siam Square bus services, operated by Roong Reuang Coach, depart from Pattaya Klang station.
Pattaya to Siam Square bus services, operated by Roong Reuang Coach, arrive at Bangkok Eastern Bus Terminal station.
Book your Pattaya to Siam Square bus tickets online with Roong Reuang Coach and Thai Smile Bus.
The distance between Pattaya and Siam Square is 97.8 km. The road distance is 136 km.
T Tour Transport operates a bus from Pattaya Klang to Bangkok Eastern Bus Terminal every 3 hours. Tickets cost ฿230–290 and the journey takes 1h 50m.