The average train between Baiyoke Tower II and Terminal 21 takes 11 min and the fastest train takes 9 min. The train runs at least 4 times per hour from Baiyoke Tower II 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.
Trains run every 15 minutes between Baiyoke Tower II and Terminal 21. The earliest departure is at 5:47 AM in the morning, and the last departure from Baiyoke Tower II is at 11:47 PM which arrives into Terminal 21 at 12:02 AM. All services require a transfer at Arl Ratchaprarop and take an average of 11 min. The schedules shown below are for the next available departures.

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13 min • 1 changeWant to know about travelling from Baiyoke Tower II 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.
No, there is no direct train from Baiyoke Tower II to Terminal 21. However, there are services departing from Arl Ratchaprarop station and arriving at Mrt Sukhumvit station via Arl Makkasan station. The journey, including transfers, takes approximately 11 min.
Baiyoke Tower II to Terminal 21 train services, operated by Airport Rail Link, depart from Arl Ratchaprarop station.
Baiyoke Tower II to Terminal 21 train services, operated by Bangkok Metro, arrive at Mrt Sukhumvit station.
The distance between Baiyoke Tower II and Terminal 21 is 2.8 km.
BTS Skytrain operates a vehicle from Bts Phaya Thai to Bts Asok every 10 minutes. Tickets cost ฿16–60 and the journey takes 15 min.