Fastest way from Phnom Penh to Vientiane: Flight, about 1h 35min (from €197). Cheapest: Bus, from €54 (about 22h). Main companies selling this route on 12Go (checked on October 13, 2026): Thai Vietjet, Thai Airways, China Eastern Airlines; main departure point: Techo International Airport.
There are 2 ways to get from Phnom Penh to Vientiane
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 |
|---|---|---|---|---|
| Mekong Flash Travel | Bus | Guru Walking Tour | €54 | 2 |
| Dara Panha Sak Transport | Bus | Phnom Penh | €57 | 1 |
| Khmer Prestige | Bus | Rith Mony Bus Chroy Chorngva Branch | €60 | 2 |
| Namo Angkor Travel | Bus | 121 Preah Sisowath Quay | €60 | 2 |
| Thai Airways | Flight | Techo International Airport | €241 | 3 |
| China Eastern Airlines | Flight | Techo International Airport | €264 | 3 |
| Cambodia Airways | Flight | Techo International Airport | €289 | 2 |
| Vietnam Airlines | Flight | Techo International Airport | €315 | 2 |
| Thai Vietjet | Flight | Techo International Airport | €319 | 4 |
Activate an eSIM before you go: internet the moment you land, no SIM to swap, zero roaming fees.
Practical tips
Especially for direct flights, booking a few days in advance can secure better prices and ensure availability, avoiding last-minute stress and higher fares. Instant confirmation is key.
Before arriving at the airport, make sure you understand the visa requirements for Laos for your nationality. This avoids any last-minute issues or unexpected fees upon arrival.
Phnom Penh International Airport can be busy. Allow at least 2-3 hours before your scheduled departure time to check in, pass security, and find your gate without rushing.
While flying is generally reliable, unexpected delays can occur. Have a charged phone, some snacks, and downloaded entertainment to stay comfortable during any waiting periods.
For international trips, travel insurance can offer peace of mind against flight cancellations, medical emergencies, or lost luggage, providing crucial support if things go awry.
The journey experience
Heading from Phnom Penh to Vientiane? This long journey involves crossing an international border, so understanding your options is key to a smooth trip. Forget those wildly optimistic travel times you see advertised; we'll break down the real duration and show you every transport choice side-by-side, so you can pick what genuinely works for your schedule and budget.
While direct flights are the fastest, connecting flights are common. Currently, direct flights are available from around €197 (typically up to €211), taking about 1 hour and 35 minutes. This is by far the most straightforward and comfortable option. For those who prefer overland travel, a bus journey takes between 22 and 24 hours and costs from €54 (typically up to €61). This offers a more adventurous, though significantly longer, alternative.
Our advice? For this specific route, flying is the most reliable and safest choice, especially given concerns about Cambodian road quality and night bus safety. You avoid the complexities of overland border crossings and potential scams, ensuring you reach Vientiane refreshed and ready to explore. Booking ahead, even a day or two, is always recommended to secure your preferred flight.
Frequently asked questions — Phnom Penh → Vientiane
By direct flight, the journey from Phnom Penh to Vientiane takes approximately 2 hours. This is the fastest door-to-door option. Overland routes, combining buses and potential layovers, can easily take 24-36 hours or more, often involving overnight travel and border crossing procedures.
Direct flights typically start around €197. Prices can vary significantly based on the airline, time of booking, and season. Yes, booking ahead by a few days to a week is highly recommended, especially for flights, to secure the best rates and availability. This avoids price hikes and sold-out seats.
For this route, flying is undoubtedly the best mode of transport. It's the quickest (2 hours), most comfortable, and avoids the complexities and potential hassles of overland border crossings and long bus journeys. While more expensive than a bus, the time and stress saved are well worth the investment for an independent traveler.
There are no direct overland bus or train services from Phnom Penh to Vientiane. Overland travel requires multiple connections, typically via Bangkok, Thailand. Border crossings often involve disembarking, going through immigration on both sides, and potentially changing buses. Be wary of touts and ensure your visa is sorted beforehand to avoid scams.
Why visit Vientiane?
- ✓ Explore the majestic Wat Sisaket, one of Vientiane's oldest temples
- ✓ Visit the Patuxai Victory Monument, often called Vientiane's Arc de Triomphe
- ✓ Discover the Pha That Luang, a grand golden stupa and national symbol
- ✓ Stroll along the Mekong Riverside Park at sunset for street food and views
- ✓ Experience local culture at the bustling Talat Sao Morning Market
When to visit Vientiane?
TROPICAL SEC ET HUMIDE
November to February — dry season with cooler temperatures, ideal for sightseeing and outdoor activities
What to do in Vientiane?
Local experiences, must-see sights and activities selected for you
How long to visit Vientiane?
For an independent traveler, plan 2-3 full days to explore Vientiane's main temples, markets, and riverside. With more time, consider day trips to Buddha Park or local craft villages. A minimum of 2 days is necessary to get a feel for the city's relaxed pace.
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