How to Travel from Siem Reap to Luang Prabang: Flights, Routes & Tips

Siem Reap and Luang Prabang are only 900 kilometers apart. There are two ways to get from Siem Reap to Luang Prabang: by plane and overland. The fastest and most comfortable way to connect them is by air, with direct flights whisking you between cities in just 1.5 hours during the peak season (October-April). However, if you prefer adventure and have more time, a truly memorable option is the scenic overland route.

The classic travel route from Siem Reap to Luang Prabang is best taken from Siem Reap to Phnom Penh, then on to Vientiane, and finally by high-speed rail to Luang Prabang. This guide breaks down everything you need to know about Siem Reap to Luang Prabang. Find the perfect way to make your Cambodia and Laos tours easy and unforgettable.

Siem Reap to Luang Prabang Distance: Around 900km

Siem Reap and Luang Prabang are in the neighboring countries of Cambodia and Laos. Siem Reap lies in northwestern Cambodia, close to the vast Tonle Sap Lake and the world-famous Angkor Wat Archeological Park, while Luang Prabang is nestled in the mountainous northern region of Laos, along the banks of the Mekong River. You can clearly see their locations on a Cambodia and Laos map.

The straight-line distance between Siem Reap and Luang Prabang is approximately 900 kilometers, but due to limited direct connections and the rugged terrain of Laos, the overland travel distance can be significantly longer depending on the route taken.

Siem Reap and Luang Prabang are in the neighboring countries of Cambodia and Laos.

Flights Are the Fastest Way from Siem Reap to Luang Prabang (1.5 Hours)

Flying is the easiest way to get from Siem Reap to Luang Prabang. A direct flight between the two cities takes approximately 1.5 hours, barely taking any time away from sightseeing. For anyone looking to get from Cambodia to Laos quickly and comfortably, this is the most efficient option.

Direct flights between Siem Reap and Luang Prabang are seasonal and operate only during the peak tourist season, from October to April. The seasonal service is offered by Vietnam Airlines, with flights operating daily except on Tuesdays and Sundays.

Siem Reap – Luang Prabang Direct Flight:

During the off-season months from May to September, the best option is to fly from Phnom Penh to Vientiane. Vietnam Airlines has daily non-stop flights available year-round. It takes 90 minutes, and domestic transfers between cities are easy by flight or overland.

Phnom Penh - Vientiane Direct flight:

Flying from Siem Reap to Pakse is another excellent choice if you have more time and wish to experience the natural splendor of southern Laos. During peak season, Lao Airlines typically operates three flights per week between Siem Reap and Pakse.

After arriving in Pakse, you can enjoy a relaxing trip to the 4,000 Islands, known for river scenery and local life. From Pakse, you can take a direct flight to Luang Prabang. It's easy to continue your Cambodia and Laos tours.

Siem Reap – Pakse Direct Flight:

Pakse – Luang Prabang Direct Flight:

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Vientiane - Luang Prabang - Pakse - Vat Phou Cruise - Pakse - Siem Reap - Phnom Penh

Scenic Overland Route from Siem Reap to Luang Prabang for Slow Travelers

The overland route between Siem Reap and Luang Prabang is an incredible adventure for travelers with more time and a desire to see the countryside. The journey winds through rural Cambodia and southern and central Laos, offering countless opportunities for exploration, cultural immersion, and interaction with local communities.

One popular route begins in Cambodia to enjoy a Siem Reap tour and heads north to Kratie, a laid-back riverside town known for its population of endangered Irrawaddy dolphins. From there, travelers can cross into Laos and make their way to Don Khong, the largest of the Si Phan Don Four Thousand Islands, in southern Laos. The region’s peaceful atmosphere is a great place to relax and appreciate the rhythms of local river life.

Angkor Wat is the most famous attraction in Cambodia.

Continue north to Pakse, a regional hub close to the Bolaven Plateau, famous for its cool climate, coffee plantations, and waterfalls. Then on to Savannakhet, a sleepy Mekong town with an old-world charm and fading colonial architecture. The journey then continues to Vientiane, Laos’ capital city, where travelers can enjoy a mix of Buddhist temples, riverside markets, and French cafés.

Vang Vieng was once a backpacker party town, but has matured into a destination for eco-tourism, outdoor activities, and spectacular karst landscapes. Finally, the last leg of the journey leads north to Luang Prabang, where the laid-back atmosphere and cultural richness provide the perfect conclusion to this extensive 2 weeks Cambodia and Laos tour.

This overland route typically takes 10 to 14 days, depending on how long you choose to stay at each destination. While buses and shared vans are available for most legs of the journey, many travelers opt for private transfers or guided tours to ensure a smoother experience, especially when crossing borders or reaching remote areas.

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Phnom Phenh - Siem Reap - Luang Prabang - Vang Vieng - Vientaine - Pakse - Khong Island - Pakse

No Direct Bus or Train From Siem Reap to Luang Prabang

There is currently no direct bus or train connecting Siem Reap and Luang Prabang. The two countries do not have a well-developed cross-border transportation network, and the journey requires multiple connections, making it a less-than-ideal option for those on tight schedules or seeking comfort.

While buses do run between Cambodia and Laos, they are often long, slow, and uncomfortable. Crossing the border can be slow, and bus quality can vary greatly depending on the operator. For example, a bus journey from Siem Reap to Don Khong alone can take 12 to 15 hours. Travelers who wish to take this route should be prepared for bumpy roads, unpredictable schedules, and the occasional need for patience and flexibility, which is why many opt for guided Southeast Asia tours instead.

Tourists can take the Bus form Siem Reap to Don Khong.

The lack of a direct train service is another factor that makes overland travel between the two cities complicated. Cambodia’s rail network is limited and does not extend to the Lao border. Laos’s newly opened high-speed rail line connects Vientiane, Vang Vieng, and Luang Prabang, but it does not reach the Cambodian border. As a result, train travel is only a viable option once you are already within Laos.

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Most Recommended Tour from Siem Reap to Luang Prabang

Our 11 Days Classic Cambodia and Laos Tour is the most recommended itinerary for an unforgettable trip. Arrive in Siem Reap for three days exploring Angkor Wat and the beautiful countryside around Tonle Sap Lake. At night, you can experience the city’s nightlife and try authentic food in the night markets.

Next, visit Phnom Penh, Cambodia’s capital, for two days. You can explore the imperial history at the Royal Palace and Silver Pagoda, and learn the tragic story of the Khmer Rouge at the 11 Days Classic Cambodia and Laos Tour.

Fly to Vientiane to see the sights of Laos’ capital. Visit ancient temples like Wat Si Saket, and enjoy the spiritual atmosphere of Buddha Park filled with Buddhist and Hindu statues. Then, head to Luang Prabang to enjoy the relaxed city dotted with temples. There are traditional arts and crafts to see, and you can take a boat trip to the Pak Ou Caves & Kuang Si Waterfall.

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Siem Reap – Phnom Penh – Vientiane - Luang Prabang

Insider Tips for Traveling from Siem Reap to Luang Prabang

When planning a trip from Siem Reap to Luang Prabang, some simple travel tips can help ensure a smooth and enjoyable experience.

The best time to visit both Cambodia and Laos is during the dry season, which runs from November to March. During this period, the weather is cooler, drier, and more pleasant for sightseeing and outdoor activities. April and May can be extremely hot, especially in Cambodia, while the rainy season from June to October brings heavy downpours that can affect road conditions and flight schedules.

Cambodia and Laos offer visa-on-arrival or e-visa options for most nationalities. Apply for visas for Cambodia and Laos tours through the official website, and you’ll have a smooth entry at international airports.

During the high season, one-way tickets from Siem Reap to Luang Prabang typically cost under 200 USD, depending on the airline and booking time. Overland travel is generally cheaper but can incur added costs for accommodation, food, and local transportation over a longer duration. A full tour covering Cambodia and Laos is around $1,500 to 2,500 USD per person for a 10 to 14-day trip, depending on the level of comfort and inclusions.

The ideal tour length for exploring both Cambodia and Laos is 10 to 14 days. 10 days Cambodia Laos Itinerary allows time to explore the major highlights of both countries without feeling rushed. A well-paced itinerary might include four days in Siem Reap, two days in Phnom Penh, and four to eight days traveling through southern and central Laos en route to Luang Prabang. For those flying directly, even a compact 7 to 9-day itinerary can provide an enriching experience in both cities.

Conclusion

A tour of Siem Reap and Luang Prabang is a great chance to experience the rich culture and sights of two overlooked gems in Southeast Asia. Flight and overland routes give you different options for transferring between the cities. The quick, 90-minute flight fits well with shorter itineraries, and the longer overland route is a deep dive into the beautiful countryside. No matter which you choose, on our Cambodia and Laos tours with fully personalized itineraries, you'll focus on the journey while we handle all the details. Contact us to tailor-make your own tours.