What is the travel distance from Vientiane to Siem Reap?

Vientiane and Siem Reap are 333 miles (537 km) apart.

What are the best sights and things to do in Siem Reap?

Once in Siem Reap, you can start exploring the city and discover its surroundings. The top sights and things to do are Ta Prohm, Banteay Srey Butterfly Centre, The Angkor Centre for Conservation of Biodiversity, Cambodia Landmine Museum and Sokkhak Spa.

Bus Vientiane to Siem Reap from $70 | Compare & Save up to 10%

Next departures

Next departures for Vientiane to Siem Reap on November 7
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
CHITPRASONG		8:00am	CPS-Vientiane-C.NO18	23h 55m	7:55am	CPS-Siem Reap	CheapestFastest

Next departures for Vientiane to Siem Reap on November 8
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
CHITPRASONG		8:00am	CPS-Vientiane-C.NO18	23h 55m	7:55am	CPS-Siem Reap	CheapestFastest

Next departures for Vientiane to Siem Reap on November 9
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
CHITPRASONG		8:00am	CPS-Vientiane-C.NO18	23h 55m	7:55am	CPS-Siem Reap	CheapestFastest

Next departures for Vientiane to Siem Reap on November 10
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
CHITPRASONG		8:00am	CPS-Vientiane-C.NO18	23h 55m	7:55am	CPS-Siem Reap	CheapestFastest

Last refresh of the prices: Last Monday at 4:24 PM +07.

Get from Vientiane to Siem Reap

This route is served by bus only

The journey takes about 23 hours 55 minutes and with fares starting at just $73, it presents an excellent value for a comfortable ride.

1bus per day

23h 55mAverage Duration

332 milesDistance

13kgCO₂ emissions

Compare bus companies

CHITPRASONG

A good way to travel this route is with CHITPRASONG buses. The company offers 1 daily departures, with ticket prices starting at $73 and the shortest trip taking about 1435. CHITPRASONG gets you where you want to go for a fair price.

KH bus company: K-LANA EXPRESS

Frequently asked questions about traveling from Vientiane to Siem Reap by bus

What is the travel distance from Vientiane to Siem Reap?
What are the best sights and things to do in Siem Reap?

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11/05

No data

11/06

$70

Today

$70

11/08

$70

11/09

$70

11/10

$70

11/11

$70

11/12

$70

The cheapest trip from Vientiane to Siem Reap was searched and found on Nov 6, 2025 with a price of $70

To 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 $70 to $70 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 $70 which is on 2025-11-08.

Top traveled bus routes

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