There are 7 ways to get from Siem Reap to Vientiane by plane, bus, train 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  •  3 h 34 min

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

$138 - $362

Cheapest option

Bus  •  19 h 10 min

  1. Take the bus from Siem Reap to Aranyaprathet
  2. Take the bus from Aranyaprathet to Nakhon Ratchasima
  3. Take the bus from Nakhon Ratchasima to Udon Thani
  4. Take the bus from Udon Thani to Vientiane Talat Sao Station

$20 - $35

5 alternative options

Fly to Udon Thani, bus  •  7 h 47 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 King of Bus  •  18 h

  1. Take the bus from Siem Reap to Pakse
  2. Take the bus from Pakse to Vientiane Bus Station

$39 - $45

Bus Budsarakham Tour  •  19 h 36 min

  1. Take the bus from Siem Reap Cambodia to Bangkok Mochit Terminal
  2. Take the bus from Bangkok Mochit to Si Chiang Mai

$45

Bus, train  •  29 h 3 min

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

$65 - $155

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 $19 - $40 and takes 19 h 10 min.

More details

The quickest way to get from Siem Reap to Vientiane is to fly which takes 3 h 34 min and costs $130 - $370.

More details

The distance between Siem Reap and Vientiane is 530 km. The road distance is 923 km.

Get driving directions

It takes approximately 3 h 34 min to get from Siem Reap to Vientiane, including transfers.

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 Bus Station via Pakse. The journey, including transfers, takes approximately 18 h.

More details

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

Lao Airlines, Bangkok Airways 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 18 h.

Airlines
Cambodia Angkor Air
Website
cambodiaangkorair.com
Flights from Siem Reap to Vientiane via Pakse
Ave. Duration
3 h 10 min
When
Tuesday and Saturday
Estimated price
$120 - $340
Flights from Siem Reap to Vientiane via Phnom Penh
Ave. Duration
3 h 45 min
When
Every day
Estimated price
$310 - $700
Flights from Siem Reap to Vientiane via Ho Chi Minh City, Phnom Penh
Ave. Duration
5 h 35 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 30 min
When
Monday, Tuesday, Wednesday, Friday and Saturday
Estimated price
$120 - $340
Vietnam Airlines
Website
vietnamairlines.com
Flights from Siem Reap to Vientiane via Phnom Penh
Ave. Duration
3 h 45 min
When
Every day
Estimated price
$310 - $700
Flights from Siem Reap to Vientiane via Ho Chi Minh City, Phnom Penh
Ave. Duration
5 h 35 min
When
Every day
Estimated price
$310 - $700
Thai Airways International
Website
thaiairways.com
Flights from Siem Reap to Vientiane via Suvarnabhumi
Ave. Duration
4 h 45 min
When
Every day
Estimated price
$180 - $550
Flights from Siem Reap to Udon Thani via Suvarnabhumi
Ave. Duration
6 h 25 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 57 min
When
Every day
Estimated price
$75 - $240
Bangkok Airways
Website
bangkokair.com
Flights from Siem Reap to Vientiane via Suvarnabhumi
Ave. Duration
6 h 35 min
When
Every day
Estimated price
$200 - $700
China Southern Airlines
Website
csair.com
Flights from Siem Reap to Vientiane via Guangzhou
Ave. Duration
6 h 40 min
When
Wednesday, Friday and Sunday
Estimated price
$220 - $700
Thai Smile
Website
thaismileair.com
Flights from Siem Reap to Udon Thani via Suvarnabhumi
Ave. Duration
6 h 25 min
When
Every day
Estimated price
$200 - $600
Train operators
State Railway of Thailand
Website
railway.co.th
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)
$5 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$21 - $29
1st Class (Berth)
$35 - $50
Bus operators
The Transport Company
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 Aranyaprathet
Ave. Duration
2 h 55 min
Frequency
Twice daily
Estimated price
$3 - $6
Schedules at
home.transport.co.th
Bus from Nakhon Ratchasima to Udon Thani
Ave. Duration
5 h 15 min
Frequency
Twice daily
Estimated price
$7 - $11
Schedules at
home.transport.co.th
King of Bus
Website
baolau.com
Bus from Pakse to Vientiane Bus Station
Ave. Duration
10 h
Frequency
Once daily
Estimated price
$27
Schedules at
baolau.com
bus
Bus from Aranyaprathet to Nakhon Ratchasima
Ave. Duration
5 h
Frequency
5 times a day
Estimated price
$7
Nattakan Transport
Bus from Siem Reap Cambodia to Bangkok Mochit Terminal
Ave. Duration
7 h
Frequency
Twice daily
Estimated price
$28
Schedules at
nattakan-transport.com
Book at
bookmebus.com
Budsarakham Tour
Website
12go.asia
Bus from Bangkok Mochit to Si Chiang Mai
Ave. Duration
11 h 36 min
Frequency
Twice daily
Estimated price
$17
Schedules at
busonlineticket.co.th
Book at
busonlineticket.co.th

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