Is there a train between Thailand and Vietnam?

Is there a train between Thailand and Vietnam? No direct route exists.

Exploring Southeast Asia often raises the question of whether there is a train between Thailand and Vietnam for easy cross-border travel. While direct rail links remain unavailable, understanding the multi-country land journey prevents travel delays and ensures a smoother trip for those avoiding flights.

The Short Answer: Is There a Direct Train Between Thailand and Vietnam?

No, there is currently no train service connecting Thailand and Vietnam. While both countries possess extensive internal rail networks, the physical tracks do not cross the borders directly between them. This question often arises because the two nations are neighbors in Southeast Asia, but the reality involves a significant rail gap across Cambodia that hasnt been fully bridged for passenger travel yet.

To travel between Bangkok and Ho Chi Minh City by land, you must navigate a combination of trains and buses through Cambodia. This route is a classic backpackers rite of passage, spanning approximately 900 kilometers of diverse landscapes. However, for most travelers, a flight is the only logical choice. A direct flight takes between 90 to 120 minutes, while the overland journey can easily consume 30 to 40 hours of your life. It is slow. It is often hot. But for the rail enthusiast, it is an unmatched window into the heart of the Mekong sub-region.

Why the Tracks Don't Meet: The Missing Links in Southeast Asia

The absence of a direct rail link is a remnant of historical infrastructure priorities and geographic challenges. In 2026, the Pan-Asia Railway project - a massive initiative to connect Kunming in China to Singapore - is still a work in progress. While the eastern route through Vietnam is operational and the central route through Laos has seen massive investment, the connection between Thailand and Vietnam remains fragmented by the Cambodian rail gap.

I remember standing at the border station in Aranyaprathet a few years back, looking at the tracks that literally ended in a dirt pile. It felt like a metaphor for regional logistics. Even though tracks have since been reconnected across the Thai-Cambodian border, passenger services remain limited. Currently, rail usage in Cambodia is undergoing a massive increase in cargo capacity ^[2], but passenger trains from the border to the capital, Phnom Penh, often run only once a week or on irregular schedules. This leaves a 380-kilometer gap that travelers almost always fill with buses or private taxis.

Mapping the Journey: The Three-Leg Adventure

If you are determined to avoid the airport, you need to think of this as a multi-day expedition rather than a simple commute. The journey is typically broken down into three distinct segments, each with its own quirks and logistical hurdles.

Leg 1: Bangkok to the Cambodian Border

The first step is the easiest. You take the morning train from Bangkoks Hua Lamphong or Krung Thep Aphiwat station to Aranyaprathet. These are usually 3rd-class fan trains. There is something deeply nostalgic about the open windows and the smell of grilled pork skewers (Moo Ping) sold by vendors who hop on and off at rural stations. The trip takes about 5 to 6 hours and costs very little - usually less than $2 USD. It is authentic, if a bit dusty.

Leg 2: Crossing the Border and the Cambodian Transit

Once you reach the border, you must exit Thailand at Aranyaprathet and walk into Poipet, Cambodia. This - and I cannot emphasize this enough - is the chaotic heart of the trip. The 7-kilometer gap between the railheads is a no-mans-land of casinos and heavy truck traffic. After clearing customs, you are in Cambodia. From here, most people abandon the idea of a train. While the line from Poipet to Phnom Penh exists, the 12-hour journey is often slower than the 6-hour bus ride. Most travelers opt for a bus or a shared van to reach the Cambodian capital.

Leg 3: Phnom Penh to Ho Chi Minh City

The final stretch into Vietnam is exclusively by road. There are no tracks connecting Phnom Penh to Ho Chi Minh City yet. Plans for a 230-kilometer high-speed link have been discussed for years, but construction remains in the early planning and funding stages. You will take one of the many daily buses that cross the Bavet-Moc Bai border. This leg takes roughly 6 to 7 hours, including the time spent at the border for visa processing. The total land cost for all three legs typically ranges from $45 to $65 USD, depending on your choice of bus comfort.

The Reality Check: Is Land Travel Right for You?

Lets be honest: overland travel between Thailand and Vietnam is a commitment. It is not a way to save money. In fact, when you factor in the cost of food, a nights accommodation in Phnom Penh, and the sheer physical toll, a $60 budget flight starts looking like a steal. However, flying means you miss the transition of cultures. You miss the gradual change from Thai Buddhist architecture to the French colonial influences of Phnom Penh and the bustling energy of the Vietnamese border.

I once met a traveler who tried to do this entire trip in one go. He looked like he had been through a dryer by the time we reached Ho Chi Minh City. His eyes were bloodshot from the dust, and he had spent 14 hours on a bus seat that didnt recline. The lesson? Dont rush it. Break the trip up. Spend a night in Phnom Penh. The breakthrough for me was realizing that the journey isnt a hurdle to clear - it is the actual vacation.

Travel Options: Bangkok to Ho Chi Minh City

⭐ Direct Flight

• 1.5 to 2 hours in the air; roughly 4 hours total door-to-door
• Highest; air-conditioned cabins and minimal logistical stress
• Standard airport procedure; no scenery or cultural transition
• Typically $50 to $120 USD depending on how early you book

Train + Bus Hybrid (The Adventure)

• 30 to 40 hours, usually requiring at least one overnight stay
• Moderate to Low; involves heat, dust, and multiple vehicle changes
• Rich cultural immersion; scenic rural landscapes and border markets
• Roughly $45 to $65 USD for all tickets combined

Direct Bus

• 18 to 24 hours (usually involves a bus change in Phnom Penh)
• Variable; 'Sleeper' buses are available but quality varies wildly
• Mostly highway views; convenient but physically exhausting
• Around $35 to $50 USD

Alex's Border Lesson: The Poipet Scam Trap

Alex, a 24-year-old traveler from London, wanted to document his journey from Bangkok to Vietnam entirely by land. He was excited but wary of the 'border scams' he had read about online. He took the early train to Aranyaprathet, feeling confident with his offline maps and translated phrases.

Upon reaching the border, a 'friendly' local told him the official border office was closed for lunch and offered to take him to a 'government-approved' visa processing center. Against his better judgment, Alex followed, only to be asked for $60 USD for a visa that should have cost $30.

He realized this was the exact scenario he'd been warned about. Instead of arguing, he politely declined, walked back to the main road, and followed the literal crowd of people heading toward the official immigration building. The breakthrough came when he ignored all 'helpers' and just followed the signs.

Alex reached Ho Chi Minh City 32 hours later. He reported that while the trip was grueling, the sense of accomplishment was high. He saved $40 compared to a flight but admitted the stress of the border crossing was a high price to pay for the story.

The Nguyen Family: Choosing Air over Rail

The Nguyen family, traveling with two children under the age of 10, initially considered the train from Bangkok for the 'experience.' They wanted to show their kids the rural life of Cambodia. However, they were concerned about the heat and the lack of reliable toilets on the 3rd-class Thai trains.

They did a test run by taking a short train trip within Thailand. Within 45 minutes, the children were restless, complaining about the heat and the hard wooden benches. The family realized that a 30-hour version of this would be a disaster for everyone involved.

They switched gears and booked a low-cost carrier flight from Don Mueang to Tan Son Nhat. They realized that their 'experience' would be better served by spending that extra 28 hours exploring the street food of District 1 in Saigon rather than sitting on a dusty bus.

The flight cost them $220 total for the whole family. They arrived fresh and ready to explore, proving that for families, the logistical complexity of the Cambodia rail gap is often too much to handle.