The cheapest and fastest coaches from Bangkok to Khon Sai
Cheapest price
$16
Average price
$20
Fastest journey
7 h 45 m
Average duration
7 h 46 m
Buses per day
20
Distance
473 km
The best way to find a cheap coach ticket from Bangkok to Khon Sai is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Bangkok to Khon Sai will cost around $20 if you buy it on the day, but you can find cheap coach tickets today for only $16.
Of the 20 buses that leave Bangkok for Khon Sai every day 20 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 473 km distance in an average of 7 h 46 m but if you time it right, some buses will get you there in just 7 h 45 m .
The slowest buses will take 7 h 50 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 coach and flight for Bangkok to Khon Sai
Omio recommends booking the coach as it is the most popular option from Bangkok to Khon Sai among Omio's users. If you are prioritising price take the coach with prices starting from $16. 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 coach costs an average of $16, and a flight costs an average of $10.
Distance: 473 km
Compare bus with
Most popular Coach | Flight |
|---|---|
$21 Average Price Cheapest | $29 Average Price |
8h 13m Average total duration 7h 43m Onboard + 30m Additional time* | 4h 7m Average total duration Fastest 1h 7m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options |
Live departures
Bangkok to Khon Sai bus times
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 12:30 am Bangkok, Chatuchak Bus Terminal | 9h00 | 9:30 am Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 12:55 am Bangkok, Chatuchak Bus Terminal | 7h45 | 8:40 am Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 1:15 am Bangkok, Chatuchak Bus Terminal | 9h45 | 11:00 am Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 1:30 am Bangkok, Chatuchak Bus Terminal | 9h00 | 10:30 am Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 2:00 am Bangkok, Chatuchak Bus Terminal | 8h19 | 10:19 am Udon Thani, Bus Station | 0 changesdirect | |
![]() | 2:55 am Bangkok, Chatuchak Bus Terminal | 8h11 | 11:06 am Udon Thani, Bus Station | 0 changesdirect | |
![]() | 3:30 am Bangkok, Chatuchak Bus Terminal | 8h20 | 11:50 am Udon Thani, Bus Station | 0 changesdirect | |
![]() | 3:55 am Bangkok, Chatuchak Bus Terminal | 8h50 | 12:45 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 9:10 am Bangkok, Chatuchak Bus Terminal | 7h56 | 5:06 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 11:00 am Bangkok, Chatuchak Bus Terminal | 8h30 | 7:30 pm Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 11:30 am Bangkok, Chatuchak Bus Terminal | 7h45 | 7:15 pm Udon Thani, Northern Bus Terminal (Transport 2) (อุดรธานี สถานีขนส่งสายเหนือ (ขนส่งสาย 2)) | 0 changesdirect | |
![]() | 12:30 pm Bangkok, Chatuchak Bus Terminal | 10h00 | 10:30 pm Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 1:10 pm Bangkok, Chatuchak Bus Terminal | 8h00 | 9:10 pm Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 1:20 pm Bangkok, Chatuchak Bus Terminal | 7h45 | 9:05 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 1:30 pm Bangkok, Chatuchak Bus Terminal | 9h00 | 10:30 pm Udon Thani Bus Terminal | 0 changesdirect | |
![]() | 1:50 pm Bangkok, Chatuchak Bus Terminal | 7h50 | 9:40 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 2:15 pm Bangkok, Chatuchak Bus Terminal | 7h58 | 10:13 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 3:35 pm Bangkok, Chatuchak Bus Terminal | 7h50 | 11:25 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 4:05 pm Bangkok, Chatuchak Bus Terminal | 7h45 | 11:50 pm Udon Thani, Bus Station | 0 changesdirect | |
![]() | 4:15 pm Bangkok, Chatuchak Bus Terminal | 7h57 | 12:12 am Udon Thani, Bus Station | 0 changesdirect | |
Find all the dates and times for this journey
Compare prices and tickets Bangkok to Khon Sai by coach or flight
05 Nov
06 Nov
07 Nov
08 Nov
09 Nov
10 Nov
11 Nov
Journey information
Overview: Bus from Bangkok to Khon Sai
Distance 473 km |
Average bus duration 7h 43m |
Cheapest ticket price $16 |
Buses per day 6 |
Direct buses 6 |
Fastest bus 7h 40m |
First bus 09:30 |
Last bus 21:30 |
FAQs: Bangkok to Khon Sai coach

Passengers board the coach most frequently from Bangkok, Chatuchak Bus Terminal (Mo Chit 2), which is located around away from the city centre, and they get off the coach at Khon Sai, PT Gas Station, located away from the city centre.
To find the cheapest bus tickets for your trip from Bangkok to Khon Sai, follow these tips:
Start your search now and compare ticket prices to find the best deal!
popular bus stations
Important Stations and Airports in Bangkok and Khon Sai
- 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
- 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
- Free parking available at gas station
- Small food stalls and convenience store at gas station
- Available at the gas station
- Ground level access
- Available at gas station
- Bus: Local buses from Dan Khun Thot
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