Blue Flag Boat Bangkok is a hop-on hop-off boat route, also known as Chao Phraya Tourist Boat. If you are looking for the most convenient way to explore the Chao Phraya River and important Bangkok tourist attractions along the river, discover the Bangkok Blue Flag Boat timetable, route, and ticket price.
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Bangkok Chao Phraya River Boats
The Bangkok tourist boat is operated by Chao Phraya Express Boat, the company that operates several public boat routes along the Chao Phraya River in Bangkok. The boat service is very useful for commuting in the central part of the city as well as for sightseeing, with a number of Bangkok’s top attractions, such as the Grand Palace, Wat Arun, and others, situated by the river.
Here you will find the most important information about the most tourist-friendly Bangkok river boat route - the Chao Phraya Tourist Boat.
Blue Flag Boat Bangkok - Chao Phraya Tourist Boat
Blue Flag Boat Bangkok is a Chao Phraya Tourist Boat service running from Phra Arthit Pier to Sathorn Pier. Starting from 11:30, the route is extended all the way to Asiatique The Riverfront.
The Chao Phraya Tourist Boat route connects the touristy district of Khao San Road (Phra Arthit Pier) with Thonburi Railway Station, the Grand Palace and Wat Phra Kaew, Wat Pho, Wat Arun, the Flower Market, Chinatown, ICONSIAM, the BTS SkyTrain Saphan Taksin station, and Asiatique the Riverfront.
Bangkok Blue Flag Boat Route
Chao Phraya Tourist Boat service operates at 10 piers along the Chao Phraya River in Bangkok.
Previously, the Blue Flag Boat was also making a stop at Tha Tien Pier near Wat Pho (the Temple of Reclining Buddha), but now this stop is skipped. To get to Wat Pho, you can drop off at Wat Arun Pier and use the river-crossing ferry service.
Pay attention that the Bangkok Blue Flag Boat is the only Chao Phraya Express Boat route that makes a stop at Wat Arun. The Orange Flag and the Yellow Flag boats don't stop at Wat Arun.
The main hub of all Bangkok riverboats, including the Chao Phraya Tourist Boat, is the Central Pier, also known as Sathorn Pier, which is conveniently connected with BTS Saphan Taksin station and can be easily reached from anywhere in Bangkok by train.
The Chao Phraya Tourist Boat route currently includes stops at the following piers:
N13 / Phra Arthit Pier (nearby Riva Surya Bangkok & Khao San Road)
N10 / Prannok Pier (nearby Baan Wanglang Riverside)
M⭐ / Tha Maharaj Pier
N9 / Tha Chang Pier (stop for Grand Palace and Wat Phra Kaew)
W⭐ / Wat Arun Pier (stop for Wat Arun)
N7 / Rajinee Pier (nearby Riva Arun Bangkok & MRT Sanam Chai Station)
N5 / Ratchawong Pier (next to PIER 808 Hostel & close to MRT Wat Mangkon Station)
I⭐ / ICONSIAM Pier (stop for ICONSIAM, nearby Millennium Hilton Bangkok & The Peninsula Bangkok)
Central Pier / Sathorn Pier (next to Shangri-La Bangkok & BTS Saphan Taksin Station)
A⭐ / Asiatique Pier (only from 11:30)
Below you can find the Bangkok Blue Flag Boat route map as displayed at one of the Chao Phraya Tourist Boat piers.
Bangkok hop-on hop-off boat map PDF free download is available here: Blue Flag Route Map.
The Chao Phraya Tourist Boat is one of the best ways to explore Bangkok’s attractions along the Chao Phraya River, as you can use it not only for single trips but also as a hop-on hop-off service. Some of the boats even offer an open deck!
Bangkok Blue Flag Boat Price & Tickets
The current Chao Phraya Tourist Boat ticket price is the following:
A one-day pass for the hop-on hop-off boat service - 150 THB (cheaper tickets can be purchased online here: Chao Phraya Tourist Boat tickets).
A single trip ticket on the Bangkok Blue Flag Boat - 40 THB.
The Blue Flag Boat day passes can be conveniently booked online here: Chao Phraya Tourist Boat tickets.
Chao Phraya Tourist Boat tickets can also be bought at the desks found at the pier.
If you are going to take single trips on ordinary riverboat lines, you can make traveling easier by purchasing a Rabbit Card that can be topped up and used for traveling not only with Chao Phraya Express Boat but also with BTS SkyTrain, MRT Yellow Line, and MRT Pink Line. The Rabbit card can also be conveniently picked up at the airport by booking online here: Rabbit Card online.
Bangkok Blue Flag Boat Timetable
Chao Phraya Tourist Boat operates daily from 08:30 to 19:45, with a boat leaving Sathorn and Phra Arthit piers approximately every 30 minutes. The journey by the Blue Flag Boat between Sathorn Pier and Phra Arthit Pier takes about 30 minutes. The trip on the extended route from Phra Arthit to Asiatique takes about 40 minutes.
The timetable was updated from 26 December 2025, with the boat operating hours extended by 30 minutes (the last boat from Phra Arthit Pier now departs at 19:00). In addition, the route is extended to Asiatique starting with the boat departing from Phra Arthit at 11:30. The first boat at Asiatique Pier is available at 12:00 (noon).
Departures from Sathorn Pier
The Blue Flag boats depart from Sathorn to Phra Arthit daily from 09:00 to 19:15. The scheduled boat departures are the following:
- 09:00, 09:30
- 10:00, 10:30
- 11:00, 11:30
- 12:15*, 12:45*
- 13:15*, 13:45*
- 14:15*, 14:45*
- 15:15*, 15:45*
- 16:15*, 16:45*
- 17:05*, 17:45*
- 18:15*, 18:45*
- 19:15*, 19:45*
*From 12:00 to 19:30, boats depart from Asiatique around 15 minutes earlier than the indicated time.
Departures from Phra Arthit Pier
The Bangkok Blue Flag Boat departures from Phra Arthit to Sathorn are scheduled daily from 08:30 to 19:00 (hours extended from 26 December 2025) and are the following:
- 08:30
- 09:00, 09:30
- 10:00, 10:30
- 11:00, 11:30*
- 12:00*, 12:30*
- 13:00*, 13:30*
- 14:00*, 14:30*
- 15:00*, 15:30*
- 16:00*, 16:20*
- 17:00*, 17:30*
- 18:00*, 18:30*
- 19:00*
*Boats departing from 11:30 to 19:00 after stopping in Sathorn extend their route to Asiatique.
Other Chao Phraya Boat Types in Bangkok
There are currently 5 types of Bangkok riverboats operated by the Chao Phraya Express Boat company. The types of boats are differentiated by the color of the flag: blue, orange, yellow, green-yellow, and red. Different types of express boats stop at different piers along the way.
Orange Flag Boat Bangkok is the most frequent express boat service, running all the way from Nonthaburi Pier (N30) to Wat Rajsingkorn Pier (S3). It is an affordable alternative to the Chao Phraya Tourist Boat service.
Bangkok Yellow Flag Boat is the express service running from Nonthaburi Pier (N30) to Sathorn Pier (Central). Previously, these boats were operating during rush hour on weekdays only. Currently, Yellow Flag boats also operate between 11:00 and 15:00 daily, with several additional stops added to the route to change Bangkok Orange Flag Boat during these hours.
Green Yellow Flag boats run from Pakkret Pier (N33) to Sathorn Pier (Central), but they are even less frequent than Yellow Flag boats and operate on weekdays and during rush hour only.
Red Flag express boats operate between Nonthaburi Pier (N30) and Sathorn Pier (Central) only on weekdays and during rush hour only.
Thai Smile Boat, previously known as MINE Smart Ferry, is an electric Bangkok riverboat service also operating on the Chao Phraya River. It's a more environmentally friendly alternative to the Chao Phraya Express Boat. Thai Smile Boat currently operates 2 routes in Bangkok.
Chao Phraya Express Boat services are complemented by Bangkok’s cross-river ferries, available at most of the main piers for crossing to the opposite bank of the river.
Tips
You can save money by prebooking your Blue Flag Boat tickets online here: Chao Phraya Tourist Boat tickets.
What is the best area to stay in Bangkok if you are willing to use riverboats as your main mode of transportation in Bangkok? The answer can be found here: Where to Stay in Bangkok.
For a special experience on the Chao Phraya River, choose one of the scenic Bangkok River Dinner Cruises.
Join the Ayutthaya Day Tour with River Cruise and visit the ancient city of Ayutthaya, the capital of Siam. Enjoy a river cruise and take in the beautiful scenery and sites along the Chao Phraya River on the way back from Ayutthaya to Bangkok.
