Fastest way from Vientiane to Phnom Penh: Flight, about 1h 35min (from €191). Cheapest: Bus, from €60 (about 24h). Main companies selling this route on 12Go (checked on October 13, 2026): Thai Airways, Chanthachone Transportation, Thai AirAsia; main departure point: Vientiane Airport.
There are 2 ways to get from Vientiane to Phnom Penh
Select an option below to see the route details and compare prices. Secure booking via our partner 12go.asia.
Companies selling this route on 12Go
Offers listed on 12Go on October 13, 2026 for a departure on November 3, 2026. Timetables and prices change with the date: check them before booking.
| Company | Mode | Departs from | From | Offers |
|---|---|---|---|---|
| Khmer Prestige | Bus | Vientiane Southern Bus Terminal | €60 | 2 |
| Dara Panha Sak Transport | Bus | Vientaine | €62 | 1 |
| Chanthachone Transportation | Bus | Vientiane Southern Bus Station | €64 | 4 |
| Green Paradise | Bus | Vientiane Southern Bus Station | €67 | 1 |
| MMB Travel | Bus | Vientiane Southern Bus Terminal | €84 | 2 |
| Family Service | Bus | Vientiane Southern Bus Station Shared | €85 | 1 |
| Thai AirAsia | Flight | Vientiane Airport | €151 | 3 |
| Vietnam Airlines | Flight | Vientiane Airport | €184 | 3 |
| Thai Airways | Flight | Vientiane Airport | €204 | 8 |
| AirAsia | Flight | Vientiane Airport | €245 | 1 |
Activate an eSIM before you go: internet the moment you land, no SIM to swap, zero roaming fees.
Practical tips
While Vientiane to Phnom Penh is a common route, direct flights can fill up or become more expensive closer to the departure date. Booking a few weeks ahead, especially during peak season, ensures you get the best price and secure your preferred flight.
Budget airlines often have strict baggage policies. Always check your allowed weight and dimensions for both carry-on and checked luggage to avoid unexpected fees at the airport. Pack light where possible for convenience.
For international flights from Vientiane Wattay International Airport, it's wise to arrive at least 2 hours before your scheduled departure. This allows ample time for check-in, security, and any unforeseen delays, ensuring a stress-free start to your journey.
Cambodia offers visa on arrival for many nationalities, but check the latest requirements for your country. Having your e-Visa or necessary documents prepared in advance can significantly speed up the immigration process upon arrival at Phnom Penh International Airport.
Upon arrival at Phnom Penh airport, you may encounter unofficial taxi drivers or touts. For a hassle-free experience, pre-arrange airport transfer or use official taxi services from the designated stands, or ride-hailing apps like Grab.
The journey experience
Navigating from Vientiane to Phnom Penh means crossing borders, and while Laos is known for its slow, winding roads, this particular journey offers a much faster option. Forget the idea of bumpy overnight buses; for this leg, air travel is overwhelmingly the most practical and efficient choice. Understanding your desire for authentic experiences and realistic travel times, be aware that overland options involving multiple buses and border crossings would consume a significant amount of your precious travel time, which could be better spent exploring. This route is where speed genuinely trumps the slower pace of other legs in Southeast Asia.
Currently, the only viable transport option directly connecting Vientiane to Phnom Penh is by air. Several airlines, including Lao Airlines, Cambodia Airways, and various connecting carriers, offer flights. Prices typically start from €191, though they can fluctuate based on booking time and airline, with a direct flight duration of approximately 1h35. While direct flights might not always be available, connecting flights via Bangkok or Ho Chi Minh City are common, extending travel time but maintaining air as the quickest method.
Considering Laos's reputation for unpredictable schedules and challenging roads, opting for a flight between Vientiane and Phnom Penh eliminates all those concerns. There’s no need to decipher complex bus routes, worry about border touts, or face unexpected cancellations that could leave you stranded. Booking a flight online through a reputable platform like 12go.asia or BaoLau.vn gives you instant confirmation and peace of mind, allowing you to easily integrate this leg into your broader Southeast Asia itinerary without losing valuable days on the road.
Frequently asked questions — Vientiane → Phnom Penh
By air, a direct flight from Vientiane to Phnom Penh typically takes around 1h35. If you opt for a connecting flight, usually via Bangkok or Ho Chi Minh City, the total travel time can range from 5 to 8 hours including layovers. Overland travel by bus takes 24h–25h, making air travel the most efficient option.
Without a doubt, flying is the best way to travel from Vientiane to Phnom Penh. It's the fastest, most comfortable, and most reliable option, saving you days of overland travel. While more expensive than a bus, it offers incredible value by minimizing travel time and avoiding the challenges of multiple border crossings and uncertain schedules on mountain roads.
Flight prices for Vientiane to Phnom Penh typically start from around €191 for direct options, but can vary based on airline, season, and how far in advance you book. Booking ahead is highly recommended, especially if you want to secure direct flights at the best prices. Using platforms like 12go.asia allows you to compare options and book with instant confirmation.
When flying into Cambodia, you'll clear immigration at Phnom Penh International Airport. Ensure you have your passport (valid for at least 6 months), and any necessary visa documents (e-Visa or proof for visa on arrival). The process is generally straightforward and faster than land borders, but having all paperwork ready is key to a smooth entry.
While overland travel is technically possible, it involves multiple long bus journeys, complex transfers, and at least two border crossings (usually into Thailand or Vietnam, then to Cambodia). This would take a minimum of 2-3 days and expose you to potential delays and discomfort. For a traveler valuing scenery and authenticity, it's rarely worth the significant time and hassle compared to a quick flight.
Why visit Phnom Penh?
- ✓ Explore the majestic Royal Palace and the Silver Pagoda, marveling at their opulent architecture.
- ✓ Visit the Tuol Sleng Genocide Museum (S-21) and the Choeung Ek Killing Fields for a poignant historical reflection.
- ✓ Wander through the Central Market (Phsar Thmei) or Russian Market (Phsar Toul Tom Poung) for local crafts and street food.
- ✓ Take a relaxing sunset cruise on the Mekong River, enjoying views of the city skyline.
- ✓ Discover the vibrant street art scene and enjoy the bustling nightlife along Bassac Lane.
When to visit Phnom Penh?
TROPICAL MONSOON CLIMATE
November to February — dry season with cooler temperatures, making it ideal for sightseeing and outdoor activities.
What to do in Phnom Penh?
Local experiences, must-see sights and activities selected for you
How long to visit Phnom Penh?
For an independent traveler, 3 to 4 days is ideal to experience Phnom Penh. In this time, you can visit the Royal Palace, Silver Pagoda, National Museum, Tuol Sleng Genocide Museum, and Choeung Ek Killing Fields. Add an extra day if you want to explore local markets or enjoy riverside activities at a relaxed pace.
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