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Chatrium Hotel Riverside Bangkok to Terminal 21 buses

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Trip Overview

The average bus between Chatrium Hotel Riverside Bangkok and Terminal 21 takes 40 min and the fastest bus takes 35 min. The bus runs at least 3 times per hour from Chatrium Hotel Riverside Bangkok 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.

40 min
Duration
9 km
Distance
฿41
Average price
Every 20 minutes
Frequency

Bus

best
  1. Take the bus from Opposite Wat Phraya Krai Post Office to Before Ploenchit Intersectionbus bus 4-3
40 min
฿34–47

Chatrium Hotel Riverside Bangkok to Terminal 21 bus times

Buses run every 20 minutes between Chatrium Hotel Riverside Bangkok and Terminal 21. The earliest departure is at 5:40 AM in the morning, and the last departure from Chatrium Hotel Riverside Bangkok is at 10:25 PM which arrives into Terminal 21 at 11:09 PM. All services require a transfer at Opposite Wat Phraya Krai Post Office and take an average of 40 min. The schedules shown below are for the next available departures.

Departing Monday, November 2, 2026

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change
  • Show more

Departing Tuesday, November 3, 2026

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change
  • Show more

Departing Wednesday, November 4, 2026

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change
  • Show more

Departing Thursday, November 5, 2026

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change
  • Show more

Departing Friday, November 6, 2026

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change

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    Thai Smile BusThai Smile Bus42 min • 1 change
  • Show more

Departing Saturday, November 7, 2026

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    Thai Smile BusBangkok Mass Transit Authority43 min • 1 change

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    Thai Smile BusThai Smile Bus35 min • 1 change

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    Thai Smile BusThai Smile Bus35 min • 1 change

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    Thai Smile BusThai Smile Bus35 min • 1 change
  • Show more

Departing Sunday, November 8, 2026

  •  → 

    Thai Smile BusBangkok Mass Transit Authority43 min • 1 change

  •  → 

    Thai Smile BusThai Smile Bus35 min • 1 change

  •  → 

    Thai Smile BusThai Smile Bus35 min • 1 change

  •  → 

    Thai Smile BusThai Smile Bus35 min • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Chatrium Hotel Riverside Bangkok 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.

Map of how to get from Chatrium Hotel Riverside Bangkok to Terminal 21.ExpandLaunch map view
  • Distance: 8.8 km
  • Duration: 40 min

What companies run services between Chatrium Hotel Riverside Bangkok, Thailand and Terminal 21, Thailand?

Thai Smile Bus operates a bus from Opposite Wat Phraya Krai Post Office to Before Ploenchit Intersection every 20 minutes. Tickets cost ฿17–23 and the journey takes 25 min.

Operators