There are 3 ways to get from Ubon Ratchathani to Siem Reap by bus, car or plane

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Bus  •  10 h

  1. Take the bus from Ubon Ratchathani to Pakse
  2. Take the bus from Pakse to Siem Reap

$15 - $50

2 alternative options

Drive  •  5 h 2 min

  1. Drive from Ubon Ratchathani to Siem Reap 191.4 miles

$25 - $40

Fly  •  3 h 18 min

  1. Fly from Ubon (UBP) to Siem Reap (REP) UBP - REP

$109 - $261

Questions & Answers

The cheapest way to get from Ubon Ratchathani to Siem Reap is to bus which costs ฿500 - ฿1700 and takes 10 h.

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The quickest way to get from Ubon Ratchathani to Siem Reap is to fly which costs ฿3600 - ฿9000 and takes 3 h 18 min.

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The distance between Ubon Ratchathani and Siem Reap is 234 km. The road distance is 306.3 km.

Get driving directions

It takes approximately 10 h to get from Ubon Ratchathani to Siem Reap, including transfers.

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No, there is no direct bus from Ubon Ratchathani to Siem Reap. However, there are services departing from Ubon Ratchathani and arriving at Siem Reap via Pakse. The journey, including transfers, takes approximately 10 h.

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What companies run services between Ubon Ratchathani, Thailand and Siem Reap, Cambodia?

You can take a bus from Ubon Ratchathani to Siem Reap via Pakse in around 10 h. Alternatively, Thai AirAsia, Thai Smile and three other airlines fly from Ubon Ratchathani to Siem Reap hourly.

Airlines
Thai AirAsia
Website
airasia.com
Flights from Ubon to Siem Reap via Don Muang
Ave. Duration
3 h 53 min
When
Every day
Estimated price
$60 - $160
Thai Smile
Website
thaismileair.com
Flights from Ubon to Siem Reap via Suvarnabhumi
Ave. Duration
6 h 10 min
When
Every day
Estimated price
$130 - $390
Bus operators
The Transport Company
Naga travel
Website
nagatravel.com
Bus from Ubon Ratchathani to Pakse
Ave. Duration
3 h
Frequency
Twice daily
Estimated price
$20
Schedules at
nagatravel.com
Book at
12go.asia
bus
Bus from Pakse to Siem Reap AVT - Asia Van Transfer
Ave. Duration
10 h
Frequency
Once daily
Estimated price
$30
Schedules at
baolau.com
Book at
baolau.com

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