There are 4 ways to get from Udon Thani to Siem Reap by plane, bus, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly, bus
best- Fly from Udon Thani International Airport (UTH) to Siem Reap (SAI)plane UTH - SAI
- Take the bus from Siem Reap Airport to Siem Reap Townbus
5h 5m$173–232Train, bus
cheapest- Take the train from Udon Thani to Rangsittrain
- Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
16h 21m$19–137Bus via Bangkok
- Take the bus from Udonthani to Bangkok Nakhonchai Air Terminalbus
- Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
16h$31–123Bus
- Take the bus from Udonthani to Central Bus Station Vientianebus
- Take the bus from Southern Bus Station Vientiane to Chong Kov Sou Bus Station, Siem Reapbus
28h 39m$73–75
Udon Thani to Siem Reap by bus
Questions & Answers
The cheapest way to get from Udon Thani to Siem Reap is to bus which costs $73 - $75 and takes 28h 39m.
The fastest way to get from Udon Thani to Siem Reap is to fly and bus which takes 5h 5m and costs $170 - $240.
No, there is no direct bus from Udon Thani to Siem Reap. However, there are services departing from Udonthani and arriving at Siem Reap via นครชัยแอร์;Nakhonchai Air and Bangkok Mochit Bus Terminal. The journey, including transfers, takes approximately 16h.
The distance between Udon Thani and Siem Reap is 518 km.
The best way to get from Udon Thani to Siem Reap without a car is to bus via Bangkok which takes 16h and costs $30 - $130.
It takes approximately 5h 5m to get from Udon Thani to Siem Reap, including transfers.
Udon Thani to Siem Reap bus services, operated by Nakhonchai Air, depart from Udonthani station.
Udon Thani to Siem Reap bus services, operated by Nakhonchai Air, arrive at Bangkok Nakhonchai Air Terminal station.
Book your Udon Thani to Siem Reap bus tickets online with 12go.asia.
There are 701+ hotels available in Siem Reap.
What companies run services between Udon Thani, Thailand and Siem Reap, Cambodia?
You can take a bus from Udonthani to Siem Reap via Bangkok Nakhonchai Air Terminal, นครชัยแอร์;Nakhonchai Air, หน้าท่ารถตู้ต่างจังหวัด หมอชิต 2;Front Mochit 2 Intercty Van Terminal, and Bangkok Mochit Bus Terminal in around 16h.
- Website
- thaiairways.com
Flights from Udon Thani International Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 4h 11m
- When
- Every day
- Estimated price
- $100–400
- Website
- airasia.com
Flights from Udon Thani International Airport to Siem Reap via Don Muang
- Ave. Duration
- 4h 25m
- When
- Every day
- Estimated price
- $110–800
- Website
- emirates.com
Flights from Udon Thani International Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 3h 40m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- $100–360
- Website
- bangkokair.com
Flights from Udon Thani International Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- $100–360
- Phone
- 1690
- [email protected]
- Website
- dticket.railway.co.th
Train from Udon Thani to Rangsit
- Ave. Duration
- 7h 51m
- Frequency
- Once daily
- Estimated price
- $6–40
- Book at
- https://12go.asia/en/operator/thai-railways
- Website
- https://dticket.railway.co.th/DTicketPublicWeb/home/Home
- 1st Class (Air-Conditioned Berth)
- $19–26
- 3rd Class (Seat)
- $6–8
- 2nd Class (Air-Conditioned Berth)
- $6–8
- 2nd Class (Air-conditioned Seat)
- $15–17
- Second Class Sleeper
- $32–33
- Ordinary Train
- $7–40
- Website
- siemreap.net
Bus from Siem Reap Airport to Siem Reap Town
- Ave. Duration
- 50 min
- Frequency
- Every 3 hours
- Estimated price
- $8–10
- Schedules at
- siemreap.net
- Phone
- 1624
- [email protected]
- Website
- nakhonchaiair.com
Bus from Udonthani to Bangkok Nakhonchai Air Terminal
- Ave. Duration
- 7h 55m
- Frequency
- Every 3 hours
- Estimated price
- $21–27
- Book at
- https://12go.asia/en/operator/nakhonchai-air
- Website
- https://www.nakhonchaiair.com/view/
- Gold Class
- $21
- First Class
- $27
- Phone
- 1490
- [email protected]
- Website
- tcl99web.transport.co.th
Bus from Bangkok Mochit Bus Terminal to Siem Reap
- Ave. Duration
- 7h
- Frequency
- Twice daily
- Estimated price
- $10–95
- Book at
- https://12go.asia/en/operator/transport-co
- Website
- https://tcl99web.transport.co.th/Home
Bus from Bangkok Mochit Bus Terminal to Siem Reap
- Ave. Duration
- 7h
- Frequency
- Twice daily
- Estimated price
- $10–95
- Book at
- https://12go.asia/en/operator/transport-co
- Website
- https://tcl99web.transport.co.th/Home
- Phone
- +856 21 216 507
- [email protected]
- Website
- facebook.com
Bus from Udonthani to Central Bus Station Vientiane
- Ave. Duration
- 2h 30m
- Frequency
- Every 4 hours
- Estimated price
- $1
- Schedules at
- laos-guide-999.com
- Website
- easybook.com
Bus from Southern Bus Station Vientiane to Chong Kov Sou Bus Station, Siem Reap
- Ave. Duration
- 25h
- Frequency
- Once daily
- Estimated price
- $70–71
- Book at
- bookaway.com
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