Bus Siem Reap to Vientiane - Compare all Companies

Compare all timetables for the bus from Siem Reap to Vientiane

Here is a selection of the cheapest bus trips from the schedule from Siem Reap to Vientiane from various bus operators like SRL TRANSPORT, Rally Tour and Travel or Asia Van Transfer for the next days.

today

tomorrow

$68

Saturday

Sunday

Monday

$68

Tuesday

Wednesday

$78

Cheapest bus trips tomorrow
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Rally Tour and Travel	24h 0m	8:00 AM	Siem Reap	Sok San Road 50 Bus Station	8:00 AM	Vientiane	Southern Bus Station		Business	$68	A Bus from Rally Tour and Travel goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 1/30/2026 8:00:00 AM to Southern Bus Station, Vientiane (Laos) arriving at 1/31/2026 8:00:00 AM. 50 Business ticket for $68 per person are available. Travel duration is 24h 0m
	Asia Van Transfer	23h 0m	8:00 AM	Siem Reap	Sok San Road 50 Bus Station	7:00 AM	Vientiane	Southern Bus Station		Economy	$94	A Bus from Asia Van Transfer goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 1/30/2026 8:00:00 AM to Southern Bus Station, Vientiane (Laos) arriving at 1/31/2026 7:00:00 AM. 50 Economy ticket for $94 per person are available. Travel duration is 23h 0m

Cheapest bus trips Monday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Rally Tour and Travel	24h 0m	8:00 AM	Siem Reap	Sok San Road 50 Bus Station	8:00 AM	Vientiane	Southern Bus Station		Business	$68	A Bus from Rally Tour and Travel goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 2/2/2026 8:00:00 AM to Southern Bus Station, Vientiane (Laos) arriving at 2/3/2026 8:00:00 AM. 50 Business ticket for $68 per person are available. Travel duration is 24h 0m
	Asia Van Transfer	23h 0m	8:00 AM	Siem Reap	Sok San Road 50 Bus Station	7:00 AM	Vientiane	Southern Bus Station		Economy	$94	A Bus from Asia Van Transfer goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 2/2/2026 8:00:00 AM to Southern Bus Station, Vientiane (Laos) arriving at 2/3/2026 7:00:00 AM. 50 Economy ticket for $94 per person are available. Travel duration is 23h 0m

Cheapest bus trips Wednesday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	SRL TRANSPORT	24h 0m	8:00 AM	Siem Reap	Sok San Road 50 Bus Station	8:00 AM	Vientiane	Southern Bus Station		Basic	$78	A Bus from SRL TRANSPORT goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 2/4/2026 8:00:00 AM to Southern Bus Station, Vientiane (Laos) arriving at 2/5/2026 8:00:00 AM. 50 Basic ticket for $78 per person are available. Travel duration is 24h 0m

Did you know that if you travel from Siem Reap to Vientiane via Pakse, you can save more than $15? You can find the corresponding connections below.
- 12Go Asia
  
  24h 0m
  
  0
  
  8:00 AM
  
  Siem Reap
  Sok San Road 50 Bus Station
  
  6:30 PM
  
  Pakse
  Vietnam Consulate
  
  0
  
  Economy
  
  $40
  
  A Bus from 12Go Asia goes from Sok San Road 50 Bus Station, Siem Reap (Cambodia) at 2/2/2026 8:00:00 AM to Vietnam Consulate, Pakse (Laos) arriving at 2/2/2026 6:30:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 10h 30m
- 12Go Asia
  
  12h 0m
  
  0
  
  8:00 PM
  
  Pakse
  Vietnam Consulate
  
  8:00 AM
  
  Vientiane
  Southern Bus Station
  
  0
  
  Business
  
  $23
  
  A Bus from 12Go Asia goes from Vietnam Consulate, Pakse (Laos) at 2/2/2026 8:00:00 PM to Southern Bus Station, Vientiane (Laos) arriving at 2/3/2026 8:00:00 AM. 50 Business ticket for $23 per person are available. Travel duration is 12h 0m
Travel time is the same as the direct connection, but you will save $15

Best Price Offer: The price for the cheapest bus from Siem Reap to Vientiane is $53 on 1/30/2026. Flexible travelers save on ticket prices.

Facts about the bus from Siem Reap to Vientiane

Compare all providers like SRL TRANSPORT, Rally Tour and Travel and Asia Van Transfer that travel 2 times every day by bus from Siem Reap to Vientiane in one click! Book your bus ticket from Siem Reap to Vientiane starting from $53!

Cheapest Bus	$53
Fastest Bus	23h 0m
Earliest Bus	8:00 AM
Latest Bus	8:00 AM
Daily Bus Routes	2 Ø
Distance	332.4 miles
Bus Companies	SRL TRANSPORT, Rally Tour and Travel and Asia Van Transfer

Cheapest bus connections from Siem Reap to Vientiane

Every day, 2 buses from 3 bus companies leave Siem Reap for Vientiane: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 01/29/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 01/25

Monday 01/26

Tuesday 01/27

Wednesday 01/28

Thursday 01/29

Friday 01/30

$53

Saturday 01/31

Sunday 02/01

Monday 02/02

$78

Tuesday 02/03

Wednesday 02/04

$78

Thursday 02/05

$78

Friday 02/06

$78

Saturday 02/07

Sunday 02/08

$83

Monday 02/09

Tuesday 02/10

Wednesday 02/11

Thursday 02/12

$60

Friday 02/13

Saturday 02/14

Sunday 02/15

Monday 02/16

$78

Tuesday 02/17

$78

Wednesday 02/18

Thursday 02/19

$60

Friday 02/20

Saturday 02/21

How to save money travelling from Siem Reap to Vientiane

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Siem Reap to Vientiane in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Siem Reap to Vientiane, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Siem Reap to Vientiane are also emptier.

All bus stations and stops in Siem Reap and Vientiane

In the map below, you can see where to find all bus stations in Siem Reap and Vientiane.

Avis Bus Station

Bus Terminal

Larryta Express Bus Stop

NR6 752

City Tour

Wat Bo Rd

Taphul Road

Southern Bus Station

Vientiane Southern Bus Station Vientiane Southern Bus Station

Soutchai Office

Khua Din Bus Stop

Nongbone Road

Green Discovery

Northern Bus Terminal

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Siem Reap to Vientiane? Compare all modes of transports from Siem Reap to Vientiane.

Service and Comfort on the bus from Siem Reap to Vientiane

Want to know which seat classes are available on the buses from Siem Reap to Vientiane? Or which bus companies serve the route Siem Reap to Vientiane? Below you will find answers to your questions.

FAQs about the Siem Reap to Vientiane bus

How much does a Siem Reap Vientiane bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $53 and takes 24h 0m to reach Vientiane. Compare offers to save money!

How much could I save by comparing buses from Siem Reap to Vientiane?

This route is offered by 3 companies with a range of ticket prices between $53 and $94. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Vientiane.

On average, how many connections are available from Siem Reap to Vientiane each day?

Every day, the Siem Reap to Vientiane bus route is served by approximately 2 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Siem Reap to Vientiane take?

The fastest bus from Siem Reap to Vientiane is offered by Asia Van Transfer and takes 23h 0m. Bus tickets for this connection cost $94. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Siem Reap to Vientiane?

The earliest bus arriving in Vientiane from Siem Reap starts at 8:00 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Siem Reap to Vientiane?

The latest bus trip departing from Siem Reap for Vientiane starts at 8:00 AM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Siem Reap Vientiane route?

When traveling by bus from Siem Reap to Vientiane, passengers can travel with SRL TRANSPORT, Rally Tour and Travel and Asia Van Transfer. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Siem Reap and Vientiane?

You can check all the direct connections between Siem Reap and Vientiane by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: SRL TRANSPORT, Rally Tour and Travel and Asia Van Transfer.

What can I take with me on the Siem Reap to Vientiane bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Siem Reap Vientiane bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Siem Reap Vientiane bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Siem Reap to Vientiane on your planned travel date.

How does CheckMyBus find the best bus deals from Siem Reap to Vientiane?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 2 daily trips between Siem Reap and Vientiane. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Siem Reap to Vientiane?

Prices and availability for 2 trips between Siem Reap and Vientiane change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Siem Reap to Vientiane

Basic

Name referring to the typical seat you will find with companies that don’t distinguish between different classes.

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

Business

Comfortable seating, food and drink service, accompanied generally by ticket flexibility.

More bus routes to Siem Reap and to Vientiane

Here’s an overview of the most popular bus routes to Siem Reap and to Vientiane. Simply click on the connection of your choice, and you will find all the details about your bus route!