Best option from Vientiane to Udon Thani: Bus — both the fastest and the cheapest, about 2h, from €5. Main companies selling this route on 12Go (checked on October 13, 2026): Naluang, Yortdoy Travel, RG Adventure; main departure point: TBS Bus Station.
There are 2 ways to get from Vientiane to Udon Thani
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 |
|---|---|---|---|---|
| Laos Railway by RG Adventure | Train | Khamsavath Railway station | €26 | 2 |
| Naluang | Bus | TBS Bus Station | €5 | 6 |
| Yortdoy Travel | Bus | Khua Din Bus Station | €8 | 6 |
| RG Adventure | Van / transfer | €96 | 3 | |
| Adisorn Thai Laos Transfer | Van / transfer | €102 | 2 | |
| Glassflower | Van / transfer | €144 | 1 | |
| Vientiane Travel | Van / transfer | €212 | 1 | |
| Sarah Transport Laos | Van / transfer | €248 | 1 |
Activate an eSIM before you go: internet the moment you land, no SIM to swap, zero roaming fees.
Practical tips
When crossing the border, you'll typically disembark from your transport, go through immigration (Laos exit, then Thailand entry), and then re-board. Ensure your visa requirements for Thailand are met beforehand to avoid delays.
Although this route is frequent, booking your bus or train ticket online through a reliable platform like 12go.asia in advance can save you time and stress, especially if you have tight connections or travel during peak season.
The bus is often the most direct option, taking you from a central point in Vientiane straight to Udon Thani. It bypasses multiple transfers, making it a convenient choice for travelers prioritizing simplicity and speed for this specific journey.
While slower, the train offers a different experience, crossing the Mekong via the Friendship Bridge. It's a good choice if you enjoy train travel or prefer a more relaxed journey, though it requires a transfer at Thanaleng station.
It's always wise to have small denominations of Thai Baht when crossing the border. This can be useful for minor expenses like local transport upon arrival in Udon Thani or snacks.
The journey experience
Traveling between Vientiane, Laos, and Udon Thani, Thailand, is a common and straightforward border crossing for many independent travelers in Southeast Asia. Unlike some of Laos's more challenging mountain roads, this route primarily involves crossing the Thai-Lao Friendship Bridge, making it one of the smoother transitions in the region. Understanding your options here is key to a hassle-free journey, whether you're heading for onwards connections in Thailand or just exploring Udon Thani.
For this short international leg, you have two main choices: the bus or the train. The direct bus service typically costs from €5 (up to €6) and takes approximately 2 hours, offering a swift connection right from Vientiane to Udon Thani. Alternatively, the train, priced from €26 (up to €27), takes about 2 hours and 30 minutes. Both options are available, so your decision will likely come down to comfort, exact departure points, and onward travel plans.
While Laos's internal schedules can be notoriously fluid, this international route is generally more reliable due to its importance for cross-border traffic. You won't face the long, bumpy mountain road challenges here. However, always double-check the latest schedules, especially for the train, and ensure you have all necessary visa documentation for Thailand. Booking your ticket in advance, particularly during peak season, can provide peace of mind and secure your preferred departure time.
Frequently asked questions — Vientiane → Udon Thani
Tickets for both the bus and the train from Vientiane to Udon Thani typically cost around €4. Prices can vary slightly depending on the operator and where you purchase your ticket, but it remains a very affordable international journey.
For this specific route, the journey is relatively quick as it's a direct border crossing. The bus takes about 1 hour, while the train takes approximately 3 hours, including the border procedures and a transfer at Thanaleng. There are no long, winding mountain roads involved.
The bus is generally quicker and more direct, taking about 2 hours and costing from €5 (typically up to €6). The train offers a different experience and takes about 2h32, costing from €26 (typically up to €27). If speed and directness are your priorities, choose the bus. If you prefer train travel and don't mind a bit more time, the train is a good option.
While it's a frequent route, booking ahead is recommended, especially if you have a specific departure time in mind or are traveling during peak season. This ensures you secure your spot and avoid any last-minute stress, particularly if you're making onward connections.
When traveling by bus, you'll be dropped off at the Lao immigration point, clear exit procedures, then cross the Friendship Bridge (sometimes requiring a shuttle if not on a direct bus). You'll then proceed to Thai immigration for entry stamps before continuing to Udon Thani. Train travelers go through similar processes at Thanaleng and Nong Khai stations.
Why visit Udon Thani?
- ✓ Visit the magnificent Phu Phra Bat Historical Park with its unique rock formations and ancient cave paintings.
- ✓ Explore the vibrant local markets like UD Town and Night Market for authentic street food and souvenirs.
- ✓ Discover the Red Lotus Sea (Talay Bua Daeng) at Nong Han lake, best seen early morning during peak season.
- ✓ Immerse yourself in history at Ban Chiang World Heritage Site, home to an ancient bronze age civilization.
- ✓ Relax and stroll around Nong Prajak Public Park, featuring a giant yellow duck island.
When to visit Udon Thani?
TROPICAL SAVANNAH CLIMATE
November to February — dry and cooler season, ideal for outdoor activities and visiting the Red Lotus Sea.
What to do in Udon Thani?
Local experiences, must-see sights and activities selected for you
How long to visit Udon Thani?
For an independent traveler, 3-4 days is ideal to experience Udon Thani. This allows you to explore the city's markets, temples, and day trip to Ban Chiang Archaeological Site. If you have less time, focus on the city center and Nong Prajak Park, but aim for at least 2 full days.
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