Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
CHITPRASONG | Bus | CPS-Vientiane-C.NO18 | CPS-Siem Reap | No tags | ||||
CHITPRASONG | Bus | CPS-Vientiane-C.NO18 | CPS-Siem Reap | No tags | ||||
CHITPRASONG | Bus | CPS-Vientiane-C.NO18 | CPS-Siem Reap | No tags | ||||
CHITPRASONG | Bus | CPS-Vientiane-C.NO18 | CPS-Siem Reap | No tags | ||||
CHITPRASONG | Bus | CPS-Vientiane-C.NO18 | CPS-Siem Reap | No tags |
Get from Vientiane to Siem Reap
The journey takes about 23 hours 55 minutes, and with fares starting at just R 1 262, it presents an excellent value for a comfortable ride.
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Frequently asked questions about travelling from Vientiane to Siem Reap by bus
Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.
How much is the bus ticket from Vientiane to Siem Reap?
The cheapest bus tickets from Vientiane to Siem Reap start at R 1 262. The average price for this route is around R 1 262. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Vientiane to Siem Reap?
The average bus journey time from Vientiane to Siem Reap is 23h 55m, covering a distance of 530 km. The fastest bus gets you there in 23h 55m and is operated by SRL TRANSPORT.
Which bus companies service the Vientiane to Siem Reap route?
Several major bus companies operate on this route with 2 buses available per day, including services from SRL TRANSPORT, CHITPRASONG.
What is the earliest and latest departure time for the bus from Vientiane to Siem Reap?
The earliest bus departs from Vientiane to Siem Reap at 08:00. And the latest bus departs at 20:00.
What are the CO₂ emissions for the bus trip from Vientiane to Siem Reap?
A bus trip from Vientiane to Siem Reap produces an estimated 13 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Vientiane to Siem Reap was searched and found on 08 Dec 2025 with a price of R 1 224To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Vientiane to Siem Reap as early as possible.
You can expect to pay from R 1 224 to R 1 364 for a bus ticket from Vientiane to Siem Reap based on the last 2 days. You can expect to find the cheapest price for the trip at R 1 224, which is on 2025-12-12.
