The right Chao Phraya boat depends on your destination, direction and travel day. For Sathorn–Tha Tien, orange express boats are an option during weekday operating periods. For a direct ride to Wat Arun, the blue tourist boat has a different route and ticket. A ferry that simply crosses the river is another service again.
Checked 10 October 2026. This guide uses the express operator’s timetable effective from 6 October 2026. Oriental Pier N1 is listed as closed. A special timetable applies on 15 October, with routes curtailed from noon; read the notice below before using the normal journey cards.
First choose the kind of journey
- Along the river: Chao Phraya Express Boat uses orange, yellow, green-yellow and red flags. Match your stop to the particular service.
- Sightseeing with repeated stops: blue-flag Chao Phraya Tourist Boat sells its own single-journey ticket and river pass.
- Across the river: a cross-river ferry links opposite banks. Buying a tourist pass does not establish that a separate crossing is included.
Write the actual pier name beside each destination before buying anything. “Wat Arun” and “Tha Tien” are not interchangeable boarding instructions, even if your sightseeing plan includes both.
Three verified pier-to-pier choices
These are route choices, not guaranteed connections. Directions are described from Sathorn; reverse them for the return. Stop pairs use the operator’s 5 May 2025 map, read alongside newer timetable and closure notices.
1. Sathorn → Ratchawong N5: an express-boat trip
- Outward: orange flag, northbound towards Nonthaburi.
- Return: orange flag, southbound towards Wat Rajsingkorn; get off at Sathorn.
- When and fare: weekday morning/evening periods; 19 baht per ride.
Save “Ratchawong N5” as your destination rather than asking only for a neighbourhood. Before returning to the pier, decide whether you still want the boat or would prefer to continue your outing by land. A one-way river ride can be enough; there is no need to build a round trip around the same mode.
2. Sathorn → Tha Tien N8: choose the stopping pattern
- Outward: orange flag, northbound towards Nonthaburi.
- Return: orange flag, southbound towards Wat Rajsingkorn; leave at Sathorn.
- When and fare: the same weekday periods and 19-baht fare as above.
The express operator’s map and timetable also show Tha Tien on the Yellow Midday stopping pattern. The peak-period yellow service skips it. At midday or on a weekend, ask specifically for Yellow Midday and show N8; a yellow flag alone is not enough.
If continuing to Wat Arun, the temple’s access page identifies the separate crossing from Tha Tien. That page contains old fare information, so we do not use it for today’s crossing price or hours. Check those at the ferry landing before relying on the connection.
3. Sathorn → Wat Arun: a direct tourist-boat choice
The current map shows northbound Sathorn–Wat Arun service towards Phra Arthit and a southbound return. One example lists Sathorn 09:00 and Wat Arun 09:20. Confirm service for your date and use the full grid: it shows a Sathorn gap from 11:30 to 12:15 despite the half-hourly heading. Scheduled times are not guarantees.
Why “wait for an orange flag” can go wrong
The current express timetable assigns orange boats to weekday peaks and Yellow Midday to daytime and weekend operation. Here are selected terminal-departure windows:
Terminal departures in Bangkok local time: southbound from Nonthaburi; northbound from Wat Rajsingkorn. These are not intermediate-pier times.
- Orange, Monday–Friday: southbound 06:00–07:45 and 16:00–18:05; northbound 06:15–07:40 and 15:40–18:05.
- Yellow Midday, Saturday: southbound 07:30–17:00; northbound 08:40–17:45.
- Yellow Midday, Sunday: southbound 08:40–17:00; northbound 09:40–17:45.
Do not turn a terminal’s last departure into a precise pickup time at Sathorn or Tha Tien. Check your boarding pier’s next boat and return service separately. The website says public-holiday service operates, but this grid has no separate holiday row; check the applicable notice rather than automatically using Saturday’s column.
The weekday yellow and green-yellow schedules serve southbound morning and northbound evening journeys. Red Riva Express has morning Nonthaburi–Sathorn departures, but its evening return is marked “No service” in the current timetable. None is a substitute for checking that your own stop is served.
Choose the ticket after choosing the route
The express operator’s published fares are:
- Orange: 19 baht flat.
- Yellow, Nonthaburi–Sathorn: 24 baht flat.
- Red: 33 baht flat.
- Green-yellow: 17 baht Pak Kret–Nonthaburi; 24 baht Nonthaburi–Sathorn; 36 baht Pak Kret–Sathorn.
The fare section does not separately explain the extended Yellow Midday service. Confirm that service’s price at the selling point; do not assume that an orange fare carries over when the boat colour changes. Carry small baht notes and coins, name your destination, and follow the operator staff’s instructions on where to pay. Keep the ticket until the journey is finished.
The tourist map lists 40 baht per journey and 150 baht for the all-day pass. Two separate single rides total 80 baht; four total 160. The pass first saves money at ride four, before discounts.
If buying online, read that seller’s redemption instructions before travelling. A purchase confirmation, a voucher and a ticket accepted for boarding may be different things. Check the names and number of travellers, the valid date or period, and the cancellation terms on the selected product.
Closed piers and October service changes
Oriental N1 is closed for renovation on the express operator’s current page. Do not make it your boarding point. Si Phraya N3 and Sathorn are other stops on the route map, but choose between them using your actual street address and a usable walking or road route. A nearby dot on a river map is not proof of an easy, step-free detour.
15 October 2026: the operator’s special rehearsal timetable applies that day, including changed morning departures. From noon, routes are curtailed to Nonthaburi–Payap in the north and Wat Rajsingkorn–Ratchawong in the south; there is a separate evening yellow schedule. Do not use the normal cards for an afternoon through-journey across the Old Town that day. Plan a land-based alternative and recheck the notice before departure.
If a pier closes after you have set out, stop and establish three things: which nearby landing is actually open, whether your service stops there in your direction, and how you will reach it safely. If any part is unclear, switch the whole leg to land transport rather than improvising at the water’s edge. Our Bangkok taxi and ride-hailing guide explains how to make the pickup location clear.
Accessibility: check both landings and the boat
A 2024 Thai government tourism description lists wheelchair and stroller access for the tourist service. It does not verify today’s boarding conditions at a particular pier. We have not established continuous step-free access for the journey cards above.
If you use a wheelchair, have limited balance, or cannot manage steps, give the operator the exact two piers, date and mobility requirements before committing. Ask about the street-to-pontoon route, any boat-entry step or gap, available assistance, and whether you can remain seated in your own chair. Agree on a workable return as well as the outward trip. Use a confirmed accessible land transfer if the required access cannot be established; do not make lifting a person or chair an improvised boarding plan.
For any passenger, let people get off first, keep hands free for a rail, and follow crew instructions. Do not jump for a departing boat. With a stroller or bulky luggage, settle the boarding arrangement before joining the queue.
Your boarding check in one sentence
“I am going from (boarding pier) to (destination pier). Does this boat stop there, in this direction, and what is the fare?”
Keep the answer with a screenshot of your return plan. That small preparation is more useful than memorising every flag: it connects the boat in front of you to the journey you actually need.
Information checked 10 October 2026. Timetables, fares, pier access and river-event restrictions can change. Operator notices and crew instructions take priority. This guide is a transport-planning aid, not a guarantee of access or a reserved connection.