What is the best way to travel from Siem Reap to Vientiane?
Looking for a trip? Check and compare all the available Buses and Carpool to Vientiane from Siem Reap. Look at different modes of transportation, search for the cheapest tickets, fastest rides and most popular stations, and see all 5 available companies to find your perfect trip!
What is the cheapest way to reach Vientiane from Siem Reap?
You can reach Vientiane with just £50 by taking a Carpool from Sarah Transport, but there are many more cheap offers: we have selected the best ones for you for the next few days here.
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 06/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 07/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Cheapest Buses Saturday
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 08/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 09/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Cheapest Buses Monday
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Sarah Transport24h 0m008:00Siem ReapCity Tour08:00VientianeSouthern Bus Station0Premium EconomyA Car from Sarah Transport goes from City Tour, Siem Reap (Cambodia) at 09/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 10/12/2025 08:00:00. 50 Premium Economy ticket for £50 per person are available. Travel duration is 24h 0m
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 09/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 10/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Cheapest Carpool Tuesday
Cheapest Buses Tuesday
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 10/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 11/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Cheapest Buses Wednesday
What are the fastest trips from Siem Reap to Vientiane?
You can get to Vientiane from Siem Reap in just 24h 0m with a Bus from SRL TRANSPORT. But this is just one option, click on any of the offers below to compare it with the other available modes of transportations.
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 06/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 07/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Fastest Buses Saturday
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 08/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 09/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Fastest Buses Monday
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 09/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 10/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
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Sarah Transport24h 0m008:00Siem ReapCity Tour08:00VientianeSouthern Bus Station0Premium EconomyA Car from Sarah Transport goes from City Tour, Siem Reap (Cambodia) at 09/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 10/12/2025 08:00:00. 50 Premium Economy ticket for £50 per person are available. Travel duration is 24h 0m
Fastest Buses Tuesday
Fastest Carpool Tuesday
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SRL TRANSPORT24h 0m008:00Siem ReapSok San Road 50 Coach Station08:00VientianeSouthern Bus Station0BasicA Bus from SRL TRANSPORT goes from Sok San Road 50 Coach Station, Siem Reap (Cambodia) at 10/12/2025 08:00:00 to Southern Bus Station, Vientiane (Laos) arriving at 11/12/2025 08:00:00. 50 Basic ticket for £59 per person are available. Travel duration is 24h 0m
Fastest Buses Wednesday
Here you will find all operators and timetables for a
Bus from Siem Reap to Vientiane
What are the most popular stations in Siem Reap and Vientiane?
In Siem Reap, you will usually depart from Taphul Road, Rithya Mondulkiri Express or Sok San Road 50 Coach Station, while in Vientiane you will be arriving at Southern Bus Station, Vientiane-Tai Busbahnhof Train Station or Soutchai Office, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to Vientiane from Siem Reap? With 1 connections between 5 Bus and Carpool operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Siem Reap and Vientiane, you can pay as low as £50 with a Carpool from Sarah Transport.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Bus from SRL TRANSPORT: you will get to Vientiane in just 24h 0m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Siem Reap and Vientiane are SRL TRANSPORT and Sarah Transport, but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Siem Reap and Vientiane is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Krong Siem Reap or to Si Chiang Mai, and look at flights from Siem Reap Airport, and landing at Wattay Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Siem Reap to Vientiane?
The most popular companies between Siem Reap and Vientiane, are SRL TRANSPORT and Sarah Transport. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: SRL TRANSPORT
All you need to know when you travel from Siem Reap to Vientiane
Check all information on comfort and services on all modes of transports from Siem Reap to Vientiane. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Siem Reap to Vientiane
How can I reach Vientiane from Siem Reap?
Every day, there are on average 1 connections between Bus and Carpool, with which you can get to Vientiane from Siem Reap.
How far is Vientiane from Siem Reap?
The distance between Siem Reap and Vientiane is 534.8 km.
What is the most ecofriendly mode of transport between Siem Reap and Vientiane?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 14 kgs of CO2, a train 19 kgs, a car 91 kgs, and a flight 132 kgs.
What is the cheapest mode of transport from Siem Reap to Vientiane?
You can get to Vientiane with just £50 by taking a Carpool from Sarah Transport.
What is the fastest way to get from Siem Reap to Vientiane?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to Vientiane in just 24h 0m with a Bus from SRL TRANSPORT.
More routes to Siem Reap and to Vientiane
Looking for more options? Here you can see the most popular routes to Siem Reap and to Vientiane. Simply click on a connection, and you’ll find all the details about the route!

