The average bus between Siam Square and Terminal 21 takes 13 min and the fastest bus takes 12 min. The bus runs at least 9 times per hour from Siam Square to Terminal 21. 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 every 10 minutes between Siam Square and Terminal 21. The earliest departure is at 3:45 PM in the afternoon, and the last departure from Siam Square is at 7:53 PM which arrives into Terminal 21 at 8:09 PM. All services run direct with no transfers required, and take on average 13 min. The schedules shown below are for the next available departures.
Want to know about travelling from Siam Square to Terminal 21? 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.
Yes, there is a direct bus departing from Siam Square station and arriving at Terminal 21 station. Services depart every 10 minutes, and operate Twice daily. The journey takes approximately 13 min.
Siam Square to Terminal 21 bus services, operated by Thai Smile Bus, depart from สยามเซ็นเตอร์;Siam Center station.
Siam Square to Terminal 21 bus services, operated by Thai Smile Bus, arrive at โรบินสันสุขุมวิท;Robinsonsukhumvit station.
The distance between Siam Square and Terminal 21 is 3.1 km. The road distance is 4 km.
Thai Smile Bus operates a bus from สยามเซ็นเตอร์;Siam Center to โรบินสันสุขุมวิท;Robinsonsukhumvit every 10 minutes, and the journey takes 12 min. Bangkok Mass Transit Authority also services this route every 20 minutes.