The cheapest and fastest buses from Bangkok to Khok Si
Cheapest price
$21
Average price
$22
Fastest journey
9 h 30 m
Average duration
10 h 35 m
Buses per day
2
Distance
536 km
The best way to find a cheap bus ticket from Bangkok to Khok Si is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Bangkok to Khok Si will cost around $22 if you buy it on the day, but the cheapest tickets can be found for only $21.
Of the 2 buses that leave Bangkok for Khok Si on Sun, Jun 21, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 21 the direct buses cover the 536 km distance in an average of 10 h 35 m but if you time it right, some buses will get you there in just 9 h 30 m .
On Sun, Jun 21 the slowest buses will take 11 h 40 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.
11:15 AM11h40Bangkok10:55 PMKhok Si$211One-way0 transfers
12:00 PM9h30Bangkok9:30 PMKhok Si$221One-way0 transfers
12:00 PM9h30Bangkok9:30 PMKhok Si$221One-way0 transfers
11:15 AM11h40Bangkok10:55 PMKhok Si$211One-way0 transfers
Travel Information
Compare bus and flight for Bangkok to Khok Si
Omio recommends booking the bus as it is the most popular option from Bangkok to Khok Si among Omio's users. If you are prioritising price take the bus with prices starting from $21. For those with little time consider booking a flight which can get you there in 1h 7m. The ticket price range depends on the travel mode: a bus costs an average of $21, and a flight costs an average of $27.
Distance: 333 miles (536 km)
Compare bus with
Most popular Bus | Flight | Driving |
|---|---|---|
$22 Average price Cheapest | $48 Average price | $64 Average price (fuel + tolls) |
10h 13m Average total duration 9h 43m Onboard + 30m Additional time* | 4h 7m Average total duration Fastest 1h 7m Onboard + 3h 0m Additional time* | 8h 57m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Bangkok to Khok Si:
A bus is $25 (€21) less than a flight for this route with tickets for a flight from Bangkok to Khok Si costing on average $48 (€39).
Other travel options to Khok Si take longer:
Bus takes on average 9h 43m.
Tickets start at around $22 (€18) compared to roughly $64 (€53) in fuel and tolls — a saving of about $42 (€34). The journey takes 9h 43m versus 8h 57m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by Nakhonchaiair.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
Bangkok to Khok Si Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Lotus Phiboon Tour | Departure Time 11:15AM | Arrival Time 10:55PM | Duration 11h40 | Departure days Mon, Thu, Sun | Cheapest price $21 |
Operator Nakhonchaiair | Departure Time 12:00PM | Arrival Time 09:30PM | Duration 9h30 | Departure days Everyday | Cheapest price $22 |
Operator Nakhonchaiair | Departure Time 01:30PM | Arrival Time 10:45PM | Duration 9h15 | Departure days Thu | Cheapest price $21 |
Live departures
Bangkok to Khok Si bus times
The table below shows live departures for Bangkok to Khok Si buses for today, Saturday, June 20. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 12:00 PM Bangkok | 9h30 | 9:30 PM Khok Si | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Bangkok to Khok Si 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.
Jun 21
Jun 22
Jun 23
Jun 24
Jun 25
Jun 26
Jun 27
Why should you book Bangkok to Khok Si buses with Omio?
Why book with Omio vs Nakhonchaiair?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Nakhonchaiair with all available travel options, which are bus and flight to ensure you get the best deal for traveling from Bangkok to Khok Si.
Why book with Omio over Checkmybus?
- Multiple modes of transport: Omio allows you to compare travel options including bus and flight to find the ideal travel option from Bangkok to Khok Si.
Journey information
Overview: Bus from Bangkok to Khok Si
Buses from Bangkok to Khok Si run on average 12 times per day, taking around 9h 43m. Cheap bus tickets for this journey start at $21 (€17) if you book in advance.
There are 12 buses per day. The earliest bus runs at 11:15, the last at 13:30. The fastest bus covers the 333 miles (536 km) distance in 9h 15m.
Distance 333 miles (536 km) |
Average bus duration 9h 43m |
Cheapest ticket price $21 (€17) |
Buses per day 12 |
Direct buses 12 |
Fastest bus 9h 15m |
First bus 11:15 AM |
Last bus 1:30 PM |
Cheapest Month Jan |
Cheapest Day Thu |
High Season Apr - Jun |
Low Season Jul - Sep |
Bus providers: Nakhonchaiair from Bangkok to Khok SiYou can travel by bus between Bangkok to Khok Si with Nakhonchaiair for as low as $21 (€17). When you search for schedules and tickets, Omio will show you the best journey
Nakhonchaiair
FAQs: Bus from Bangkok to Khok Si
Find answers to the most common questions about traveling from Bangkok to Khok Si 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 Khok Si, this guide helps you travel smarter and with confidence.

popular bus stations
Popular bus stations from Bangkok to Khok Si
- 04:00-22:00
- Free Wi-Fi available throughout terminal
- Large parking area available for both short and long-term parking
- Food court and various food stalls available inside terminal
- Available at designated taxi stand outside terminal
- Wheelchair ramps and elevators available
- Public restrooms available with 5 THB fee
- BTS: Mo Chit Station
- MRT: Chatuchak Park Station
- Bus: 3, 26, 29, 34, 49, 52, 77
- 05:00-22:00
- Free Wi-Fi available throughout terminal
- Available at terminal parking lot, 20 baht per hour
- Food court and several local food vendors available inside terminal
- Available at designated taxi stand outside terminal
- Wheelchair ramps and elevators available
- Public restrooms available for 5 baht
- BTS: Mo Chit Station
- MRT: Chatuchak Park Station
- Bus: 3, 26, 77, 96, 104, 134, 136, 138, 145, 509, 522
Most popular bus connections from Bangkok
More options for your journey from Bangkok to Khok Si
Here are some other resources that might have the information you need
