Trains in Thailand

When the train is the right choice

Thailand's railway, run by the State Railway of Thailand (SRT), is rarely the fastest way to get anywhere — but on a handful of routes it's comfortably the most pleasant. It's more scenic than a motorway, more sociable than a plane, and on the overnight lines it turns travel time into sleeping time. The trick that makes the train so good for a planner is exactly that: a night train is a travel leg and a night's accommodation in one, so an overnight sleeper can save you both a hotel night and a daylight travel day at the same time.

Trains suit travellers who want the journey to be part of the trip, who'd rather sleep their way between regions than lose a day flying, and budget travellers happy to trade speed for cost. They suit families and nervous flyers especially well. They suit you less if you're in a hurry — trains are slower than flying and can run late — or if comfort matters more to you than the romance of rail, in which case a flight plus a hotel is the cleaner choice. Read this as the mode guide; the route pages tell you, leg by leg, when the train actually beats the alternatives.

Getting around Thailand

How the train compares with flying, buses and ferries across every kind of leg.

Thailand night trains

The overnight-sleeper detail in full — classes, booking, luggage and who should skip them.

The network and the headline lines

The SRT network radiates from Bangkok along a few main lines, and a traveller only really needs to know a handful of them. The Northern Line runs up to Chiang Mai — the signature long journey, best done overnight. The Southern Line heads down the peninsula toward Surat Thani, the mainland gateway for the Gulf islands (Samui, Phangan, Tao), where a train-plus-ferry combination gets you most of the way to the beach. Closer to the capital, the line north to Ayutthaya makes the old capital one of the easiest and cheapest day trips in Thailand, and the branch west out of Kanchanaburi carries the historic, scenic Death Railway over the river and along the cliffs.

Since 19 January 2023, Krung Thep Aphiwat Central Terminal has been Bangkok's main station for 52 long-distance special-express, express and rapid trains on the Northern, Northeastern and Southern lines. Hua Lamphong remains in use for specified ordinary, suburban and excursion services. The move is complete rather than ongoing, but you must still confirm the station printed on the specific ticket because both stations operate.

The one thing the rail map doesn't do well is the islands and the far Andaman coast — there's no train to Phuket or Krabi, and the Gulf islands need a ferry at the end. For those, the train gets you south efficiently and the boat finishes the job, or a flight skips the overland leg entirely.

The classes — what you're actually booking

Thai trains come in classes, and the price and comfort climb together. At the bottom is third class: fan-cooled, bench seats, cheap and characterful, fine for a short daytime hop but a long way from luxury on an overnight. Second class is the workhorse: air-conditioned reclining seats for daytime journeys, and — crucially — the second-class sleeper, where the seats convert into curtained berths at night. The sleeper berths are sold as upper and lower, and the lower berth (a little roomier, with a window) costs a touch more and sells out first. First class, on the routes that offer it, gives you a private or semi-private air-conditioned cabin — the most comfortable way to do an overnight, at the highest price.

For an overnight journey, the second-class air-conditioned sleeper is the sweet spot most travellers want: comfortable, affordable, and the berth you picture when you imagine a sleeper train. Book a lower berth if you can. For a daytime leg, second-class air-conditioned seating is the sensible default. Third class is for budget day hops and short distances where the saving outweighs the comfort. The newer rolling stock on the main lines is a real step up from the old carriages, so the experience on the flagship routes is better than its reputation suggests.

Thailand night trains

How the sleeper classes and berths compare, and how to pick the right one.

Thailand on a budget

Where third and second class keep a route cheap without losing too much comfort.

Booking, stations and the practical realities

Booking is the part of train travel most worth getting right, because the good sleeper berths sell out. The SRT runs an official online booking system, D-Ticket, which lets you reserve seats and berths in advance and is the channel to use rather than counting on a same-day ticket for a popular overnight route. Berths on the Bangkok–Chiang Mai and Bangkok–Surat Thani sleepers can go well ahead, especially the lower berths and the better classes, and the squeeze gets worse around the cool-season peak and Songkran. Book early, book the lower berth, and book through the official channel.

At the station, give yourself time. Thai trains have a reputation for running late, particularly the long-distance services, so build that into any onward connection — never plan a tight transfer from a train straight onto a flight or the last ferry of the day. Stations are generally central and well signed, with luggage you carry yourself onto the train (there are racks, but no checked-baggage system), so travel with bags you can manage. Bring snacks and water for the long hauls even though food is sold onboard, and a layer for the air-conditioned carriages, which run cold at night.

That's the whole job of this guide: not to quote your exact departure time, but to help you decide whether the train is your mode, which line and class you want, and how to book the berth before it's gone. Trains run late and timetables shift by season, so once you've decided, verify the live schedule, the class availability and the fare on the official SRT/D-Ticket source — and for the leg-by-leg comparison with flying and the bus, follow the route pages.

Bangkok to Chiang Mai

The flagship rail leg worked out — sleeper vs flight vs bus, and whether to break the trip.

Thailand route guides

The full index of worked legs — where the train wins and where it doesn't.