The cheapest and fastest buses from Si Thoi to Bangkok
Cheapest price
$20
Average price
$22
Fastest journey
10 h 30 m
Average duration
11 h 10 m
Buses per day
6
Distance
629 km
The best way to find a cheap bus ticket from Si Thoi to Bangkok is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Si Thoi to Bangkok will cost around $22 if you buy it on the day, but the cheapest tickets can be found for only $20.
Of the 6 buses that leave Si Thoi for Bangkok on Thu, Nov 06, 6 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Nov 06 the direct buses cover the 629 km distance in an average of 11 h 10 m but if you time it right, some buses will get you there in just 10 h 30 m .
On Thu, Nov 06 the slowest buses will take 11 h 30 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Travel Information
Compare bus and flight for Si Thoi to Bangkok
Omio recommends booking the bus as it is the most popular option from Si Thoi to Bangkok among Omio's users. If you are prioritising price take the bus with prices starting from €16. For those with little time consider booking a flight which can get you there in 1h 21m. The ticket price range depends on the travel mode: a bus costs an average of €16, and a flight costs an average of €21.
Distance: 390 miles (629 km)
Compare bus with
Most popular Bus | Flight |
|---|---|
€16 Average price Cheapest | €32 Average price |
11h 0m Average total duration 10h 30m Onboard + 30m Additional time* | 4h 21m Average total duration Fastest 1h 21m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options |
Si Thoi to Bangkok Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Cherdchai Tour | Departure Time 06:00PM | Arrival Time 05:30AM | Duration 11h30 | Departure days Wed, Thu | Cheapest price $20 |
Operator Kasemthara Tour | Departure Time 07:00PM | Arrival Time 06:30AM | Duration 11h30 | Departure days Wed, Thu | Cheapest price $24 |
Operator Cherdchai Tour | Departure Time 07:00PM | Arrival Time 05:30AM | Duration 10h30 | Departure days Wed, Thu | Cheapest price $20 |
Operator Kasemthara Tour | Departure Time 07:20PM | Arrival Time 06:30AM | Duration 11h10 | Departure days Wed, Thu | Cheapest price $24 |
Operator Thaibus Tour | Departure Time 07:35PM | Arrival Time 06:45AM | Duration 11h10 | Departure days Wed, Thu | Cheapest price $21 |
Live departures
Si Thoi to Bangkok bus times
The table below shows live departures for Si Thoi to Bangkok buses for tomorrow, Thursday, November 6. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 11:00 AM Tha Wang Thong, Phayao Bus Terminal | 11h30 | 10:30 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
![]() | 12:00 PM Tha Wang Thong, Phayao Bus Terminal | 11h30 | 11:30 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
![]() | 12:00 PM Mae Ka, Phayao University 2 (forest Pavilion) | 10h30 | 10:30 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
![]() | 12:00 PM Tha Wang Thong, Phayao Bus Terminal | 11h30 | 11:30 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
![]() | 12:20 PM Mae Ka, Phayao University 2 (forest Pavilion) | 11h10 | 11:30 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
![]() | 12:35 PM Tha Wang Thong, Phayao Bus Terminal | 11h10 | 11:45 PM Bangkok, Chatuchak Bus Terminal | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Si Thoi to Bangkok by bus or flight
Compare bus and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Nov 06
Nov 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Journey information
Overview: Bus from Si Thoi to Bangkok
Distance 390 miles (629 km) |
Average bus duration 10h 30m |
Cheapest ticket price $20 (€16) |
Fastest bus 10h 30m |
First bus 15:30 |
Last bus 19:50 |
Key Takeaways
Train Ticket Prices
- Budget Options: Train tickets from Si Thoi to Bangkok start from as low as $20 (€16) if booked well in advance.
- Standard Fares: Typically, trains cost $20 (€16) depending on the train type and class.
Bus providers: Cherdchai Tour from Si Thoi to BangkokYou can travel by bus between Si Thoi to Bangkok with Cherdchai Tour for as low as $20 (€16). When you search for schedules and tickets, Omio will show you the best journey
Cherdchai Tour
FAQs: Bus from Si Thoi to Bangkok
Find answers to the most common questions about traveling from Si Thoi to Bangkok by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Bangkok, this guide helps you travel smarter and with confidence.

To find the cheapest bus tickets for your trip from Si Thoi to Bangkok, follow these tips:
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