• Our partners include:

  • Booking.com
  • Skyscanner
  • Airbnb
  • Expedia
  • Uber
  • Rentalcars.com

There are 7 ways to get from Siem Reap to Vientiane by plane, bus, train, night bus or car

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

Fly to Vientiane  •  4 h 14 min

  1. Fly from Siem Reap (REP) to Vientiane (VTE) REP - VTE

$129 - $350

Cheapest option

Bus  •  19 h 30 min

  1. Take the bus from Siem Reap to Pakse
  2. Take the bus from Pakse to Vientiane Phanthavong Tour Office

$39

5 alternative options

Fly to Udon Thani, bus  •  7 h 57 min

  1. Fly from Siem Reap (REP) to Udon Thani (UTH) REP - UTH
  2. Take the bus from Udon Thani to Vientiane Talat Sao Station

$92 - $304

Bus, train  •  26 h 35 min

  1. Take the bus from Siem Reap to Bangkok Mochit Bus Terminal
  2. Take the train from Bang Sue to Nong Khai 75 Hua Lamphong - Nong Khai - Class II AC

$63 - $139

Minivan, night bus  •  21 h

  1. Take the minivan from Siem Reap AVT - Asia Van Transfer to Pakse
  2. Take the night bus from Pakse to Vientiane

$51

Bus, train via Aranyaprathet  •  30 h 17 min

  1. Take the bus from Siem Reap to Poipet
  2. Take the train from Aranyaprathet to Hua Lamphong
  3. Take the train from Hua Lamphong to Nong Khai

$67 - $156

Drive  •  14 h 14 min

  1. Drive from Siem Reap to Vientiane 576.6 miles

$75 - $110

Questions & Answers

The cheapest way to get from Siem Reap to Vientiane is to bus which costs $39 and takes 19 h 30 min.

More details

The quickest way to get from Siem Reap to Vientiane is to fly which costs $120 - $350 and takes 4 h 14 min.

More details

No, there is no direct bus from Siem Reap to Vientiane. However, there are services departing from Siem Reap and arriving at Vientiane Phanthavong Tour Office via Pakse. The journey, including transfers, takes approximately 19 h 30 min.

More details

The distance between Siem Reap and Vientiane is 530 km. The road distance is 922.5 km.

Get driving directions

The best way to get from Siem Reap to Vientiane without a car is to bus which takes 19 h 30 min and costs $39.

More details

It takes approximately 4 h 14 min to get from Siem Reap to Vientiane, including transfers.

More details

Siem Reap to Vientiane bus services, operated by PPSDN, depart from Siem Reap station.

More details

The best way to get from Siem Reap to Vientiane is to fly which takes 4 h 14 min and costs $120 - $350. Alternatively, you can bus, which costs $39 and takes 19 h 30 min.

Mode details

There is no direct flight from Siem Reap Airport to Vientiane Airport. The quickest flight takes 3 h 20 min and has one stopover.

Search flights

Siem Reap to Vientiane bus services, operated by King of Bus, arrive at Vientiane Phanthavong Tour Office station.

More details

Map of how to get from Siem Reap to Vientiane.
Launch map view
  • Distance: 330.9 miles
  • Duration: 4 h 14 min

What companies run services between Siem Reap, Cambodia and Vientiane, Laos?

Thai Smile, Lao Airlines and five other airlines fly from Siem Reap to Vientiane every 4 hours. Alternatively, you can take a bus from Siem Reap to Vientiane via Pakse in around 19 h 30 min.

Airlines
Thai Airways International
Website
thaiairways.com
Flights from Siem Reap to Vientiane via Suvarnabhumi
Ave. Duration
4 h 36 min
When
Every day
Estimated price
$160 - $500
Flights from Siem Reap to Udon Thani via Suvarnabhumi
Ave. Duration
4 h 52 min
When
Every day
Estimated price
$200 - $600
Thai AirAsia
Website
airasia.com
Flights from Siem Reap to Udon Thani via Don Muang
Ave. Duration
5 h 35 min
When
Every day
Estimated price
$75 - $240
Flights from Siem Reap to Udon Thani via Phuket
Ave. Duration
8 h
When
Every day
Estimated price
$190 - $420
Thai Smile
Website
thaismileair.com
Flights from Siem Reap to Vientiane via Suvarnabhumi
Ave. Duration
3 h 20 min
When
Every day
Estimated price
$130 - $410
Flights from Siem Reap to Udon Thani via Suvarnabhumi
Ave. Duration
6 h 5 min
When
Every day
Estimated price
$200 - $600
Bangkok Airways
Website
bangkokair.com
Flights from Siem Reap to Vientiane via Suvarnabhumi
Ave. Duration
5 h 37 min
When
Every day
Estimated price
$160 - $500
Cambodia Angkor Air
Website
cambodiaangkorair.com
Flights from Siem Reap to Vientiane via Phnom Penh
Ave. Duration
4 h
When
Every day
Estimated price
$310 - $700
Flights from Siem Reap to Vientiane via Tan Son Nhat, Phnom Penh
Ave. Duration
5 h 40 min
When
Every day
Estimated price
$310 - $700
Vietnam Airlines
Website
vietnamairlines.com
Flights from Siem Reap to Vientiane via Phnom Penh
Ave. Duration
4 h
When
Every day
Estimated price
$310 - $700
Flights from Siem Reap to Vientiane via Tan Son Nhat, Phnom Penh
Ave. Duration
5 h 40 min
When
Every day
Estimated price
$310 - $700
Lao Airlines
Website
laoairlines.com
Flights from Siem Reap to Vientiane via Pakse
Ave. Duration
4 h 20 min
When
Every day
Estimated price
$120 - $340
China Southern Airlines
Website
csair.com
Flights from Siem Reap to Vientiane via Guangzhou Baiyun
Ave. Duration
7 h
When
Wednesday, Friday and Sunday
Estimated price
$220 - $700
Train operators
State Railway of Thailand
Phone
1690
Email
webmaster.srt@railway.co.th
Website
railway.co.th
Train from Bang Sue to Nong Khai
Ave. Duration
9 h 6 min
Frequency
Once daily
Estimated price
$12 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$21 - $29
1st Class (Berth)
$35 - $50
Train from Aranyaprathet to Hua Lamphong
Ave. Duration
5 h 45 min
Frequency
Once daily
Estimated price
$9 - $35
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$3 - $7
2nd Class (Seat)
$9 - $13
2nd Class (Berth)
$18 - $25
1st Class (Berth)
$26 - $35
Train from Hua Lamphong to Nong Khai
Ave. Duration
9 h 25 min
Frequency
Once daily
Estimated price
$12 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$6 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$21 - $29
1st Class (Berth)
$35 - $50
Bus operators
The Transport Company
Phone
089 226 2769
Website
home.transport.co.th
Bus from Udon Thani to Vientiane Talat Sao Station
Ave. Duration
3 h
Frequency
Every 4 hours
Estimated price
$2 - $12
Schedules at
home.transport.co.th
Bus from Siem Reap to Bangkok Mochit Bus Terminal
Ave. Duration
7 h
Frequency
Twice daily
Estimated price
$10 - $23
Schedules at
home.transport.co.th
King of Bus
Phone
‎(+84) 931 45 40 25
Email
contact@baolau.vn
Website
baolau.com
Bus from Pakse to Vientiane Phanthavong Tour Office
Ave. Duration
11 h 30 min
Frequency
Once daily
Estimated price
$27
Schedules at
baolau.com
AVT Asia Van Transfer
Phone
+855 63 963 853
Website
asiavantransfer.com
Bus from Siem Reap AVT - Asia Van Transfer to Pakse
Ave. Duration
10 h
Frequency
Once daily
Estimated price
$30
Schedules at
asiavantransfer.com
Book at
baolau.com
Soutchai Travel
Phone
+856 21 254512-5
Email
kenlotchana.travel@gmail.com
Website
soutchaitravel.com
Night bus from Pakse to Vientiane
Ave. Duration
10 h
Frequency
Once daily
Estimated price
$21
Schedules at
soutchaitravel.com
Capitol Tour Cambodia

Want to know more about travelling around the world?

Rome2rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including How to get from Heathrow Airport into central London, Travel Insider: Top Japan travel tips by Beatrix Holland and Want to know more about Flixbus? - to help you get the most out of your next trip.

More Questions & Answers

Yes, the driving distance between Siem Reap to Vientiane is 923 km. It takes approximately 14 h 14 min to drive from Siem Reap to Vientiane.

Get driving directions

Thai Smile, Cambodia Angkor Air, China Southern Airlines and four other airlines offer flights from Siem Reap Airport to Vientiane Airport.

Search flights

There are 224+ hotels available in Vientiane. Prices start at $16 USD per night.

More details

The best way to get from Siem Reap to Siem Reap Airport is to taxi which takes 7 min and costs $7 - $9.

More details

Where to next?