There are 8 ways to get from Sihanoukville 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 from Sihanoukville  •  5 h

  1. Fly from Sihanoukville (KOS) to Vientiane (VTE) KOS - VTE

$177 - $490

Cheapest option

Bus  •  29 h 35 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Trat
  2. Take the bus from Trat 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

$40 - $54

6 alternative options

Minivan to Phnom Penh, fly  •  9 h 15 min

  1. Take the Minivan from Sihanoukville CTT Transports to Phnom Penh CTT Transports
  2. Fly from Phnom Penh (PNH) to Vientiane (VTE) PNH - VTE

$73 - $263

Minivan, bus, train  •  36 h 8 min

  1. Take the Minivan from Sihanoukville CTT Transports to Phnom Penh CTT Transports
  2. Take the bus from Phnom Penh to Bangkok Mochit Bus Terminal
  3. Take the train from Bang Sue to Nong Khai

$80 - $149

Minivan, bus  •  29 h 3 min

  1. Take the Minivan from Sihanoukville CTT Transports to Phnom Penh CTT Transports
  2. Take the bus from Phnom Penh to Bangkok Mochit Bus Terminal
  3. Take the bus from Bangkok Mochit to Si Chiang Mai

$44 - $55

Bus, night bus  •  32 h 15 min

  1. Take the bus from Sihanoukville to Phnom Penh
  2. Take the bus from Phnom Penh to Pakse
  3. Take the night bus from Pakse to Vientiane Naga Travel

$66 - $75

Train  •  43 h 8 min

  1. Take the train from Sihanoukville station to Phnom Penh Station
  2. Take the train from Phnom Penh Station to Poipet
  3. Take the train from Aranyaprathet to Hua Lamphong
  4. Take the train from Hua Lamphong to Nong Khai

$80 - $167

Drive  •  21 h 12 min

  1. Drive from Sihanoukville to Vientiane 829.2 miles

$100 - $160

Questions & Answers

The cheapest way to get from Sihanoukville to Vientiane is to bus which costs $40 - $55 and takes 29 h 35 min.

More details

The quickest way to get from Sihanoukville to Vientiane is to fly which costs $170 - $490 and takes 5 h.

More details

The distance between Sihanoukville and Vientiane is 824 km. The road distance is 1326.8 km.

Get driving directions

It takes approximately 5 h to get from Sihanoukville to Vientiane, including transfers.

More details

No, there is no direct bus from Sihanoukville to Vientiane. However, there are services departing from Sihanoukville CTT Transports and arriving at Si Chiang Mai via Night Market, Phnom Penh and Bangkok Mochit. The journey, including transfers, takes approximately 29 h 3 min.

More details

What companies run services between Sihanoukville, Cambodia and Vientiane, Laos?

Cambodia Bayon Airlines, Vietnam Airlines and nine other airlines fly from Sihanoukville to Vientiane every 2 hours. Alternatively, you can take a bus from Sihanoukville to Vientiane via Phnom Penh CTT Transports, Night Market, Kampuchea Kroen Intersection, Phnom Penh, Bangkok Mochit Bus Terminal, and Bangkok Mochit in around 29 h 3 min.

Airlines
Vietnam Airlines
Website
vietnamairlines.com
Flights from Sihanoukville to Vientiane via Phnom Penh
Ave. Duration
3 h 55 min
When
Every day
Estimated price
$140 - $500
Flights from Sihanoukville to Vientiane via Siem Reap, Phnom Penh
Ave. Duration
7 h 17 min
When
Every day
Estimated price
$150 - $550
Flights from Sihanoukville to Vientiane via Ho Chi Minh City, Phnom Penh
Ave. Duration
8 h 50 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$150 - $550
Flights from Sihanoukville to Vientiane via Ho Chi Minh City, Hanoi
Ave. Duration
7 h 30 min
When
Wednesday
Estimated price
$100 - $550
Flights from Phnom Penh to Vientiane
Ave. Duration
1 h 20 min
When
Every day
Estimated price
$150 - $460
Cambodia Angkor Air
Website
cambodiaangkorair.com
Flights from Sihanoukville to Vientiane via Phnom Penh
Ave. Duration
3 h 55 min
When
Every day
Estimated price
$140 - $500
Flights from Sihanoukville to Vientiane via Siem Reap, Phnom Penh
Ave. Duration
7 h 17 min
When
Every day
Estimated price
$150 - $550
Flights from Sihanoukville to Vientiane via Ho Chi Minh City, Phnom Penh
Ave. Duration
8 h 50 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$150 - $550
Flights from Phnom Penh to Vientiane
Ave. Duration
1 h 20 min
When
Every day
Estimated price
$150 - $460
Lao Airlines
Website
laoairlines.com
Flights from Sihanoukville to Vientiane via Phnom Penh
Ave. Duration
3 h 55 min
When
Every day
Estimated price
$140 - $500
Flights from Sihanoukville to Vientiane via Siem Reap, Pakse
Ave. Duration
6 h 55 min
When
Monday, Wednesday and Friday
Estimated price
$160 - $470
Flights from Phnom Penh to Vientiane
Ave. Duration
1 h 20 min
When
Every day
Estimated price
$150 - $460
Thai Airways International
Website
thaiairways.com
Flights from Sihanoukville to Vientiane via Siem Reap, Suvarnabhumi
Ave. Duration
7 h 40 min
When
Every day
Estimated price
$120 - $600
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Bang Sue to Nong Khai
Ave. Duration
9 h 6 min
Frequency
Once daily
Estimated price
$12 - $45
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $17
2nd Class (Berth)
$21 - $28
1st Class (Berth)
$35 - $45
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 - $6
2nd Class (Seat)
$9 - $13
2nd Class (Berth)
$18 - $24
1st Class (Berth)
$26 - $35
Train from Hua Lamphong to Nong Khai
Ave. Duration
9 h 25 min
Frequency
Once daily
Estimated price
$12 - $45
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $17
2nd Class (Berth)
$21 - $29
1st Class (Berth)
$35 - $45
Royal Railway Cambodia
Website
royal-railway.com
Train from Sihanoukville station to Phnom Penh Station
Ave. Duration
7 h
Frequency
4 times a week
Estimated price
$7 - $10
Schedules at
royal-railway.com
Book at
baolau.com
Train from Phnom Penh Station to Poipet
Ave. Duration
9 h
Frequency
5 times a day
Estimated price
$11 - $12
Schedules at
royal-railway.com
Bus operators
CTT Transports
Website
ctt-express.com
Bus from Sihanoukville CTT Transports to Phnom Penh CTT Transports
Ave. Duration
4 h
Frequency
Hourly
Estimated price
$10
Schedules at
bookmebus.com
The Transport Company
Website
home.transport.co.th
Bus from Phnom Penh to Bangkok Mochit Bus Terminal
Ave. Duration
11 h
Frequency
Once daily
Estimated price
$16 - $27
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
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
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
Virak Buntham
Website
virakbuntham.com
Bus from Sihanoukville Virak Buntham Express to Trat
Ave. Duration
12 h
Frequency
Once daily
Estimated price
$20
Schedules at
virakbuntham.com
Book at
bookmebus.com
bus
Bus from Trat to Nakhon Ratchasima
Ave. Duration
6 h
Frequency
5 times a day
Estimated price
$11
PPSDN
Website
ppsoryatransport.com.kh
Bus from Sihanoukville to Phnom Penh
Ave. Duration
5 h
Frequency
Every 2 hours
Estimated price
$8 - $10
Schedules at
ppsoryatransport.com.kh
Book at
bookmebus.com
Bus from Phnom Penh to Pakse
Ave. Duration
14 h 45 min
Frequency
Once daily
Estimated price
$24 - $29
Schedules at
ppsoryatransport.com.kh
Book at
ppsoryatransport.com.kh
Thero Express
Website
theroexpress.com
Bus from Sihanoukville to Phnom Penh
Ave. Duration
4 h 30 min
Frequency
Twice daily
Estimated price
$12
Schedules at
theroexpress.com
Book at
12go.asia
Naga travel
Website
nagatravel.com
Night bus from Pakse to Vientiane Naga Travel
Ave. Duration
10 h 30 min
Frequency
Once daily
Estimated price
$34
Schedules at
nagatravel.com
Book at
12go.asia

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