Flight (with stopover)
Fastest and easiest but more expensive
Bus / minivan
Cheapest option but very long and tiring
Bus + van (via Pakse)
Common overland route but requires transfers
Train
No direct railway connection available
Quick answer: The main transport options from Vientiane to Siem Reap are bus/minivan (via Bangkok & Poipet), flight (via Bangkok), train + bus (via Bangkok & Poipet), or private car/taxi. The bus is the cost-effective overland route, the flight saves time, train + bus is for those who want to break the journey, and private car is the most flexible. You can book tickets to Siem Reap from Vientiane online in advance.
At a glance:
- 📍 Distance: ~1 060 km by road via Bangkok and Poipet
- ⏱️ Travel time: Bus/minivan ~24-26 hours | Flight ~7-10 hours via Bangkok | Train + bus via Bangkok & Poipet ~26-35 hours | Private car ~22-25 hours
- 💰 Price range: Bus/minivan ~$70-95/pp | Flight ~$120-300/pp | Train + bus ~$35-100/pp | Taxi/Car ~$520-700
- 🚍 Best for budget: Bus/minivan via Bangkok
- ✈️ Fastest option: Flight (via Bangkok)
- 🚆 For those who don’t mind stops: Train + bus via Bangkok & Poipet
- 🚕 Most flexible / comfortable: Private car/taxi with driver
Last updated in March 2026
From Vientiane to Siem Reap you can get by plane, bus, train+van, car.
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- Travel distance from Vientiane in Laos to Siem Reap in Cambodia is about 1 060 km by road via Bangkok and Poipet border crossing. The best and fastest option how to get to Siem Reap from Vientiane is to take a flight with stopover in Bangkok (or Pakse in Laos). There are flights from Wattay International Airport in Vientiane. Travel time by plane from Vientiane to Siem Reap (with stopover in Bangkok) is about 7-10 hours and it costs $120-300/pp. Another cheap option is to travel to Siem Reap by bus via Bangkok and Poipet border crossing, but it takes a lot of time.
- Travel by bus/van from Vientiane to Siem Reap (via Bangkok) costs about $70-95/pp and it takes about 24-26 hours. There are Thai-Lao International buses from Vientiane to Bangkok and some tourist buses or minivans from Bangkok to Siem Reap. You can also travel by combination of train + bus via Bangkok and Aranyaprathet in Thailand, cross the border in Aranyaprathet to Poipet and from Poipet you can travel by bus or minivan to Siem Reap. It is possible to search and book tickets + flights to Siem Reap from Vientiane online.
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- Siem Reap is the second largest city of Cambodia. It is a place where you can visit one of the most attractive and tourist place in southeast Asia – Angkor Wat Temple Complex. But Siem Reap is not only this temple complex, there are also another interesting sites around the city, e.g. Tonle Sap Lake. The Tonlé Sap is the largest freshwater lake in Southeast Asia. It is not so easy to reach Siem Reap from Vientiane in Laos and transport takes a lot of time and there is no direct railway between these cities.
- There are 4 ways how you can get to Siem Reap from Vientiane – flight with stopover to Siem Reap International Airport, tourist bus/minivan, bus + train and private car/taxi, all these options with stopover in Bangkok. The most comfortable way is to travel by plane via Bangkok or Pakse in Laos. From Siem Reap you can travel to Phnom Penh by bus or plane or by bus or minivan to Battambang in Cambodia.
| Transfer Mode – Vientiane to Siem Reap | Travel Time | Cost Range |
|---|---|---|
| Plane (via Bangkok) | 7–10 hours | $120–300 per person |
| Bus / Minivan via Laos or Thailand | 24–26 hours | $70–95 per person |
| Train + Bus (via Bangkok, Aranyaprathet, Poipet) | 26–35 hours | $35–100 per person |
| Private Car (via Bangkok) | 22–25 hours | $520–700 per vehicle |
How do I get from Vientiane to Siem Reap?
1. BUS / VAN from Vientiane to Siem Reap
👉 Bus or minivan is a budget option from Vientiane to Siem Reap.
- ✔️ Best for: low-cost travelers willing to handle long travel times
- ✔️ Total travel time: approx. 24–26 hours
- ✔️ Price: about $70–95 per person
- ✔️ Comfort: basic to moderate (long ride with possible transfers)
- ✅ Best Option: Bus or minivan with transfer via Laos or Thailand
- 💡 Tip: Expect delays and multiple transfers, and always check route details carefully before booking.
One of the options for a ground transfer from Vientiane in Laos to Siem Reap in Cambodia is to travel by bus / minivan through southern Laos or Thailand – Bangkok. Expect a very long journey and not so comfortable travel route. This transfer option is sometimes divided into 2 routes, e.g. you will travel by bus and in another city you will be transferred to another bus or a smaller minivan or minibus to Siem Reap.
Transfer by bus / minivan from Vientiane to Siem Reap can take approx. 24-26 hours, this travel time can vary depending on the traffic situation. Buses in Laos may also be delayed upon departure and thus upon arrival in Siem Reap. For a bus/minivan transfer from Vientiane to Siem Reap, you can use the companies Sarah Transport, Green Paradise, Sarah Transport Laos or Asia Van Transfer.
If you go through Thailand, you can also use other companies on the route from Vientiane to Bangkok and from Bangkok to Siem Reap. Buses or minibuses can leave from different places in Vientiane or you will be transported to the bus station, and in Siem Reap they can also arrive at different places.
BOOK BUS TICKETS to Siem Reap ➜
You will always see this information about departures and arrivals when searching for tickets online, so check everything carefully to avoid any misunderstandings. Bus/minibus transportation from Vientiane to Siem Reap costs approximately $70-95/pp, prices may vary slightly throughout the year.
You can search and buy bus tickets from Vientiane to Siem Reap easily online in advance. It is also advisable to arrive at the departure point at least 30 minutes before the departure of the bus from Vientiane. Transfer by bus or minibus to Siem Reap is sought after mainly by low-cost travelers who have a limited travel budget.
2. FLIGHTS from Vientiane to Siem Reap
👉 Flight is the fastest and most comfortable way from Vientiane to Siem Reap.
- ✔️ Best for: travelers who want to save time and prefer air travel
- ✔️ Travel time: approx. 7–10 hours with transfer
- ✔️ Price: about $120–300 per person
- ✔️ Comfort: high (connecting or limited direct flights)
- ✅ Best Option: Flight connection via Bangkok
- 💡 Tip: Compare separate flight legs for better prices and book in advance for availability.
The fastest, most comfortable, but at the same time more expensive means of transport from Vientiane to Siem Reap in Cambodia are flights, usually with a transfer in, for example, Bangkok. Between Vientiane – Bangkok and Siem Reap there are the most flights of different companies. Only Lao Airlines can offer direct flights, but you must first try to find out if they are even available.
Flights from Vientiane to Siem Reap via Bangkok are offered by Thai AirAsia, Bangkok Air, Thai Airways, Thai Smile, Lao Airlines and others. The air transfer is operated from Wattay International Airport in Vientiane to Siem Reap Angkor International Airport, this airport is about 45 km from the city center of Siem Reap.
In Bangkok, connecting flights are operated from Don Mueang Airport and Suvarnabhumi Airport. Transfer by plane from Vientiane to Siem Reap with a transfer in Bangkok can take about 7-10 hours, but it depends on the connecting flight, so this time may vary a little.
An air transfer from Vientiane to Siem Reap is more expensive than a bus trip and costs in the range of $120-300/pp, take this range as an average and it may vary. Search for flights from Vientiane to Siem Reap via Bangkok separately for 2 air routes (Vientiane to Bangkok, Bangkok to Siem Reap), then the prices can be a little lower and you can easily buy them online in advance.
Air transfer is probably the best transport option to Siem Reap from Vientiane, Laos, but in terms of price, it is not a good option for low-cost solo travelers. However, you can save several hours of time with this transport option compared to a ground transfer.
3. TRAIN + BUS from Vientiane to Siem Reap
👉 Train + bus is a scenic but long land option from Vientiane to Siem Reap.
- ✔️ Best for: travelers who want to explore Thailand along the way
- ✔️ Total travel time: approx. 26–35 hours
- ✔️ Price: about $35–100 per person
- ✔️ Comfort: moderate (train seats/sleepers + short bus ride)
- ✅ Best Option: Train via Bangkok + bus from border to Siem Reap
- 💡 Tip: Break the journey in Bangkok and plan connections carefully between train and bus segments.
If you would like to travel to Siem Reap by train, it is not yet possible to go directly to this city. But you can travel by train from Vientiane to Bangkok on an international Thai train, and from Bangkok you can then take another train to Aranyaprathet at the Cambodian border.
After crossing the border into the city of Poipet, you can then continue from this city by bus or minivan to Siem Reap. This transport option therefore has a total of 3 steps and is suitable for those who want to visit, for example, Bangkok, the capital of Thailand. The total travel time by train and bus from Vientiane to Siem Reap via Bangkok and Aranyaprathet can be approx. 26-35 hours.
This time is an average estimate and may vary depending on connections in Bangkok and then Poipet. In the first step, it is the train journey from Vientiane to Bangkok which takes about 12 hours, the train journey from Bangkok to Aranyaprathet takes about 6 hours and the last bus journey from Poipet to Siem Reap can take about 3 hours.
BOOK TRAIN TICKETS to Bangkok ➜
Train departs in Khamsavath Railway Station and arrive to Krung Thep Aphiwat Central Terminal Station in Bangkok (check Thailand Railway Map). Transfer by train and bus from Vientiane to Siem Reap via Bangkok and Poipet can cost approx. $35-100/pp in total, 2nd or 3rd class seats are always the cheapest option on trains.
Search for train and bus tickets from Vientiane to Siem Reap via Bangkok separately for each route. You can easily buy these tickets and search online in advance, it is good to at least do some research on the transport options between these cities. This option is suitable for low-cost travelers who have more time to travel and want to see a bit of Thailand.
4. PRIVATE TAXI / CAR from Vientiane to Siem Reap
👉 Private car is the most comfortable but very expensive way from Vientiane to Siem Reap.
- ✔️ Best for: groups or travelers who want a direct and hassle-free journey
- ✔️ Travel time: approx. 12 hours
- ✔️ Price: about $480–510 per vehicle
- ✔️ Comfort: very high (modern cars or minivans with driver)
- ✅ Best Option: Private car transfer with flexible route and stops
- 💡 Tip: Share the cost in a group and confirm travel details and border procedures in advance.
The last option of transportation from Vientiane to Siem Reap is by private car/taxi with driver. This option can also be used on this long route from Laos to Cambodia. This transfer option between these cities is one of the most expensive and will be offered to you by the private company Glassflower.
This is a well-known company that offers private transfers in Laos, Thailand or Cambodia and they offer modern smaller cars, SUVs or minivans for groups of travelers. It also offers transfers on other popular and frequented routes in Southeast Asia. Private chauffeured car from Vientiane to Siem Reap takes approximately 12 hours as stated by the company, but it is better to check with the company in advance.
BOOK TAXI / CAR to Siem Reap ➜
However, the given time can often vary slightly. A private car transfer from Vientiane to Siem Reap will cost you between $480-510/car, a smaller car is usually always a cheaper option than a multi-person minivan. With a minivan, however, you can then calculate the fare for individual passengers in the car.
You can search, view and book your Vientiane to Siem Reap private chauffeured car online in advance online. If you are traveling in a group of up to 9 passengers, a minivan can also be advantageous for this transfer. Transfer by private car to Siem Reap is definitely not suitable for solo low-cost travelers due to the high cost of transportation.
❓ FAQ – Travel route from Vientiane to Siem Reap:
1. How to book + buy tickets + flights from Vientiane to Siem Reap?
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- Search and book tickets + flights from Vientiane to Siem Reap on 12go.asia ➜ or Baolau ➜.
- You can search and book another route, e.g. Vientiane to Bangkok, Bangkok to Siem Reap…
2. What is the travel time from Vientiane to Siem Reap?
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- Travel by plane from Vientiane to Siem Reap (via Bangkok) takes about 7-10 hours.
- Travel by bus from Vientiane to Siem Reap (via Bangkok) takes about 24-26 hours.
- Travel by bus + train from Vientiane to Siem Reap (via Nong Khai, Bangkok, Poipet) takes about 26-35 hours.
- Travel by private taxi/car from Vientiane to Siem Reap (via Bangkok) takes about 12 hours.
3. What is the travel distance from Vientiane to Siem Reap?
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- Travel distance from Vientiane to Siem Reap in Cambodia is about 1 060 km by road via Bangkok.
4. How much does it cost to get from Vientiane to Siem Reap?
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- Transport by plane from Vientiane to Siem Reap (via Bangkok) costs about $120-300/pp.
- Transport by bus from Vientiane to Siem Reap (via Bangkok) costs about $70-95/pp.
- Transport by train + bus from Vientiane to Siem Reap (via Bangkok, Aranyaprathet, Poipet) costs about $35-100/pp.
- Transport by private taxi/car from Vientiane to Siem Reap (via Bangkok) costs about $480-510/car.
5. What is the best way of transport from Vientiane to Siem Reap?
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- The best and fastest option how you can reach Siem Reap in Cambodia from Vientiane to Laos is to travel by plane with stopover in Bangkok or Pakse. There are direct flights between Vientiane > Bangkok and Vientiane > Pakse + direct flights from Bangkok > Siem Reap and Pakse > Siem Reap.
6. What is the cheapest way of transport from Vientiane to Siem Reap?
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- The cheapest way how you can get to Siem Reap from Vientiane is to travel by tourist bus, minivan via Bangkok.
7. Is it possible to book private taxi/car from Vientiane to Siem Reap?
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- Yes, there is no direct private taxi or car to Siem Reap from Vientiane, but you can travel by private car with stopover in Bangkok. Private car, taxi is the most expensive way of transfer to Siem Reap.
8. How you can go and travel from Bangkok to Cambodia?
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- There are various ways how you can travel to Cambodia from Bangkok in Thailand. There are some direct flights between Bangkok and Phnom Penh + Siem Reap or tourist buses from Bangkok to Siem Reap or Bangkok to Phnom Penh via Poipet border crossing.
9. Is there a direct train from Vientiane to Siem Reap?
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- No, there is no direct train to Siem Reap from Vientiane. But you can travel by train from Nong Khai (about 25 km from Vientiane) to Bangkok and from Bangkok to Aranyaprathet (about 5 km from Poipet border crossing to Cambodia). From Poipet you can travel by bus, minivan to Siem Reap.
- You can check Cambodia Railway Map + Laos Railway Map.
10. Is there also another travel route from Vientiane to Siem Reap?
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- Yes, you can also travel via Laos, from Vientiane to Pakse or Don Det and from Don Det you can travel by minibus to Siem Reap via Chong Mek border crossing. But this travel route by bus takes a lot of time, it is not a good idea to use this route. But you can also travel by plane from Vientiane to Pakse in southern Laos.
11. How and where to book hotel in Siem Reap?
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- Siem Reap offers mainly cheap guesthouses, hotels and resorts for tourists. Search and book your hotel, bungalow or resort in Siem Reap in Cambodia online here > Book resort / hotel in Siem Reap ➜.
12. When to visit Siem Reap, what is the best time?
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- The best time to visit Siem Reap is between November and February, which is the cool and dry season. During this time, the temperature is pleasant, and there is minimal rainfall, making it perfect for exploring the temples and other outdoor activities. Additionally, the skies are clear, and you can witness beautiful sunrises and sunsets. Keep in mind that this is the peak tourist season. You can read this article: Weather in Siem Reap.
🧭 Popular travel routes from Vientiane:
If you’re planning your next trip from Vientiane, here are other popular routes in Laos:
These are the most popular travel routes from Vientiane for visitors exploring Laos or neighbouring countries.
💡 Practical Travel Tips for Vientiane to Siem Reap
These practical tips offer unique, real‑world advice for making the long journey from Vientiane in Laos to Siem Reap in Cambodia, including planning, border crossings, transport choices, and comfort tips.
1. Expect a Very Long and Varied Journey
Overland travel from Vientiane to Siem Reap can take around a full day by bus or van and often involves changes along the way. Getting mentally ready for 24+ hours of travel with stops and transfers helps set realistic expectations for the trip ahead.
2. Explore Multi‑City Routes via Bangkok or Pakse
There are no straightforward direct flights between Vientiane and Siem Reap, but routing via Bangkok breaks up the journey and gives you the option to switch planes there. Alternatively, going south through Pakse and then east into Cambodia can be a more scenic land route with opportunities to stop in smaller towns.
3. Take Advantage of Overnight Travel
If you travel by bus, overnight departures mean you cover much of the distance while sleeping, arriving early the next day. Bring earplugs and a sleep mask — they make a huge difference in your ability to rest on prolonged land journeys.
4. Bring Both US Dollars and Local Currencies
Having crisp US dollars and some Lao kip and Cambodian riel on hand helps at border posts, small food stalls, and local tuk‑tuks. Small denominations make minor purchases smoother and help avoid poor exchange rates at border kiosks.
5. Break the Trip with Overnight Stops
Consider stopping overnight in places like Pakse or even Bangkok if you’re routing that way. A break not only eases fatigue but also lets you explore new places instead of being cramped in a seat for too long at once.
6. Pack Essentials for Comfort and Delays
Long cross‑border journeys can have unpredictable delays at checkpoints. Bring plenty of snacks, water, a power bank, and light layers for air‑conditioned buses. Entertainment like downloaded podcasts or movies makes hours on the road more pleasant.
Tip: Bus, flight, and combined transport tickets for the Vientiane to Siem Reap route can be searched and booked online in advance, helping you secure your preferred departure times and often better seats — especially useful on this long journey.