
Flight (via Vientiane/Bangkok)
Fastest and easiest but more expensive
Bus (via Vientiane)
Cheapest option but very long and tiring
Flight + train
Combination via Laos, more complex
Multiple transfers
Too complicated for this route
Quick answer: The fastest way to travel from Hanoi to Udon Thani is by flight with a stopover. You can also travel overland by bus via Vientiane in Laos or combine a flight to Vientiane with a train or bus to Udon Thani via the Nong Khai border crossing. Overland travel is the cheapest option but takes considerably longer.
At a glance:
- 📍 Distance: ~560 km by air / ~850 km by land via Vientiane.
- ⏱️ Travel time: Flight via Bangkok/Chiang Mai: ~9–20 hours | Bus via Vientiane: ~26–30 hours
- 💰 Price range: Flight US$100–250 per person | Bus via Vientiane US$35–40 per person
- ✈️ Best for speed & comfort: Flight with stopover to Udon Thani.
- 🚌 Best for budget: Overnight bus route via Vientiane.
Last updated in March 2026
How to Travel from Hanoi to Udon Thani
The fastest way to travel from Hanoi to Udon Thani in Thailand is by flight with a stopover, usually in Bangkok or Chiang Mai. You can also travel overland by bus via Vientiane in Laos or combine a direct flight to Vientiane with a bus or train to Udon Thani via the Thai–Lao Friendship Bridge. Before your trip, check the weather in Udon Thani.
Udon Thani – Gateway to Northeastern Thailand
Udon Thani is one of the main transport hubs in northeastern Thailand, located about 80 km from Vientiane in Laos. The city has an airport and railway station with direct connections to Bangkok. From Udon Thani, you can continue to Bangkok or explore nearby attractions such as Nong Prajak Park, Red Lotus Lake, and Phu Phra Bat Historical Park.
| Transfer Mode – Hanoi to Udon Thani | Travel Time | Cost Range |
|---|---|---|
| Flights via Chiang Mai or Bangkok | 9–20 hours | $100–250 per person |
| Buses (via Vientiane) | 26–30 hours | $35–40 per person |
| Flight + Bus (via Vientiane) | 10–15 hours | $70–170 per person |
How to go from Hanoi to Udon Thani?
1. FLIGHTS from Hanoi to Udon Thani
👉 Flight with a transfer is the fastest and most comfortable way from Hanoi to Udon Thani.
- ✔️ Good for: travelers who want to save time and prefer air travel
- ✔️ Duration: ~9–20 hours (with stopover)
- ✔️ Price: $100–250 per person
- ✔️ Comfort: high (modern flights with short transfers)
- ✅ Best option: Flights via Bangkok or Chiang Mai with airlines like AirAsia, Vietnam Airlines or Thai Lion Air
- 💡 Tip: Book flights online in advance and choose connections with shorter layovers to reduce total travel time.
Flying is the fastest and most comfortable way to travel from Hanoi to Udon Thani. There are no direct flights, so you will need a stopover, usually in Bangkok or Chiang Mai. Despite the transfer, flying saves many hours compared to traveling overland via Laos.
Flights depart from Noi Bai International Airport and arrive at Udon Thani International Airport. Airlines on this route include Vietnam Airlines, AirAsia, Nok Air, Thai Lion Air, Bangkok Airways, and other regional carriers.
Total travel time is about 9–20 hours, depending on the length of your stopover. Combined flight tickets usually cost $100–250 per person, with the best fares available when booked well in advance.
Before booking, compare flight schedules, baggage policies, and transfer times to choose the connection that best fits your travel plans.

2. BUS / VAN from Hanoi to Udon Thani (via Vientiane)
👉 Bus / van via Vientiane is the cheapest way from Hanoi to Udon Thani.
- ✔️ Good for: budget travelers and those comfortable with long overland journeys
- ✔️ Duration: ~26–30 hours
- ✔️ Price: $35–50 per person
- ✔️ Comfort: low to medium (long sleeper bus + short minivan transfer)
- ✅ Best option: Sleeper bus to Vientiane + minivan/bus to Udon Thani
- 💡 Tip: Book tickets online in advance and prepare for border crossing at the Thai-Lao Friendship Bridge.
You can also travel from Hanoi to Udon Thani overland by bus via Vientiane in Laos. There is no direct bus on this route, so the journey has two steps: a sleeper bus from Hanoi to Vientiane, followed by a bus or minivan to Udon Thani via the Thai–Lao Friendship Bridge.
The trip takes about 26–30 hours in total. The Hanoi to Vientiane bus takes around 20–26 hours, while the bus from Vientiane to Udon Thani takes about 3–4 hours.
1. BOOK TICKETS to Vientiane ➜
Total ticket prices range from $35–48 per person. Buses depart from various stations in Hanoi and Vientiane, while arrivals in Udon Thani are usually at Udon Thani Bus Station or other central stops. You can book both Vientiane to Udon Thani and Hanoi–Vientiane tickets online in advance.
This is the cheapest way to reach Udon Thani, but it is also the longest. It is best suited for budget travelers or those planning to spend some time in Laos before entering Thailand.
2. BOOK TICKETS to Udon Thani ➜

3. FLIGHT + BUS from Hanoi to Udon Thani
👉 Flight + bus via Vientiane is a fast and balanced way from Hanoi to Udon Thani.
- ✔️ Good for: travelers who want a mix of speed and affordability
- ✔️ Duration: ~10–15 hours (flight + transfer)
- ✔️ Price: $130–220 per person
- ✔️ Comfort: medium to high (short flight + bus/minivan or train)
- ✅ Best option: Direct flight to Vientiane + bus or train to Udon Thani
- 💡 Tip: Book flights and onward tickets online in advance and consider a short stop in Vientiane.
A convenient alternative is to fly directly from Hanoi to Vientiane and continue to Udon Thani by bus, train, or private transfer. This two-step journey takes about 10–15 hours in total and is a good choice if you want to visit the capital of Laos along the way.
Direct flights from Hanoi to Vientiane are operated by Vietnam Airlines and Lao Airlines. The flight takes about 1 hour, with tickets usually costing $120–200 per person. Flights depart from Noi Bai International Airport and arrive at Wattay International Airport.
From Vientiane, you can reach Udon Thani by bus, minivan, train, or private car. The overland journey takes about 3–4 hours via the Thai–Lao Friendship Bridge, while cross-border trains continue through Nong Khai toward Bangkok.
Book both flights and onward transport in advance to ensure smooth connections and the best fares.
2. BOOK TICKETS to Udon Thani ➜

❓ FAQ – Travel from Hanoi to Udon Thani
How to book tickets and flights from Hanoi to Udon Thani?
Book flights and transport via Baolau ➜. You can also book connections via Vientiane or Bangkok.
How long does it take to travel from Hanoi to Udon Thani?
Flights take about 9–20 hours, flight + bus via Vientiane 10–15 hours, and overland buses about 26–30 hours.
How far is Udon Thani from Hanoi?
The distance is about 560 km by air and around 850 km by land via Vientiane.
How much does it cost to travel from Hanoi to Udon Thani?
Flights cost about $70–170, flight + bus from $130, and buses via Laos about $35–48 per person.
What is the best way to get from Hanoi to Udon Thani?
The best option is a direct flight to Vientiane followed by a bus or train to Udon Thani.
How far is Udon Thani from Vientiane?
Udon Thani is about 80 km from Vientiane and can be reached in 2–4 hours.
Is there a direct train from Hanoi to Udon Thani?
No, there is no direct train between Hanoi and Udon Thani.
Where can you travel from Udon Thani?
Travel to Bangkok or Chiang Mai by train, bus, or flight.
How do you travel from Bangkok to Udon Thani?
Travel by flight, train, bus, or private car. See this guide.
What is the cheapest way to travel from Hanoi to Udon Thani?
The cheapest option is the sleeper bus via Vientiane, but it is also the slowest.
What are the best beaches in Thailand?
Visit Railay Beach, Ao Nang, Koh Phi Phi, or Koh Samui. See more beaches.
Is Thailand an affordable destination?
Yes. Thailand is generally budget-friendly. Read about the cost of travel in Thailand.
BOOK your HOTEL in Udon Thani ➜
🧭 Popular travel routes from Hanoi in northern Vietnam:
If you’re planning your next trip from Hanoi, here are other popular routes in Vietnam:
These are the most popular travel routes from Hanoi for visitors exploring Vietnam or neighbouring countries.
💡 Practical Travel Tips for Hanoi to Udon Thani
The easiest way to reach Udon Thani from Hanoi is by flight via Bangkok, Chiang Mai, or Vientiane. You can also travel overland via Laos, but the journey is much longer.
- Best Option: Fly via Vientiane, Bangkok, or Chiang Mai for the fastest trip.
- Budget Travel: Travel by sleeper bus via Vientiane if you want the lowest travel cost.
- Travel Documents: Check passport validity and Thailand entry requirements before departure.
- Book Early: Flights and cross-border buses can sell out during holidays and weekends.
- Border Crossing: Most overland routes enter Thailand via the Thai–Lao Friendship Bridge near Nong Khai.
- Bring Cash: Carry some Thai baht for local transport and small purchases after arrival.
Tip: Flights, buses, trains, and combined tickets can be searched and booked online in advance.