Vienna by Train from Romania: Routes, Times and Whether It Is Worth It

The short version

There is a direct train from Romania to Vienna again, and for a certain kind of traveller it is a better idea than flying. For most people, it is not. This page tries to be honest about which you are.

• The main service is IR 346/347, which under the current CFR timetable runs to and from Wien Westbahnhof via Budapest-Kelenföld. CFR's own timetable communiqué confirms the Vienna extension.
• A second service, the Someș (686/687), links Baia Mare and Wien Westbahnhof — the useful one if you are in the north-west of the country.
• The journey is long. Around 18 to 20 hours from Bucharest is the figure in general circulation. We could not confirm it on an official timetable page, so treat it as an order of magnitude, not a promise, and check the real time for your date on cfrcalatori.ro.
• You arrive at Wien Westbahnhof, which in 2026 and 2027 is the luckiest station in Vienna to arrive at — see the last section.

What we could not verify, and you must check yourself: the exact departure and arrival times, whether your date runs as a through service or requires a change in Budapest, which sleeping cars are attached, and every single fare. The current CFR timetable is valid 14 December 2025 to 12 December 2026; nothing after that date has been published. Look it up on cfrcalatori.ro and cross-check the Austrian leg on oebb.at before you buy anything.

The route, and the Budapest question

Everything from Romania to Vienna goes through Budapest. There is no other line; the Hungarian capital sits directly between the two, and the trains use the Curtici–Lőkösháza crossing and then the Hungarian main line.

What changed in the current timetable is the Vienna end. IR 346 and IR 347 once again run through to Wien Westbahnhof, routed via Budapest-Kelenföld rather than terminating in Hungary — this is in CFR's own communiqué on the 2025/26 timetable. Press coverage of the same timetable reported the service as running through from București Nord, meaning no change of train at all. We could not confirm the Bucharest origin on an official CFR page, which matters, because the difference between a through carriage and a change in Budapest is the difference between sleeping and standing on a platform at three in the morning with your luggage.

So plan for both. When you search your date on cfrcalatori.ro, look at what the result actually says:

• If it shows one train number the whole way, you have a through service. Good.
• If it shows a connection at Budapest-Keleti or Budapest-Kelenföld, you are changing. Note the transfer time, note whether the two stations are the same one (Keleti and Kelenföld are different stations, on opposite sides of the city), and give yourself a margin. A tight connection in Budapest with a Romanian train that is running late is the classic way this journey goes wrong.
• From Baia Mare and the north-west, the Someș 686/687 is the direct option to Westbahnhof and avoids the Bucharest routing entirely.

Note also that IR 72/73 now runs Budapest-Keleti to București Nord — a Hungary–Romania service, not a Vienna one. If a search engine offers it to you as the first leg, you are being routed with a change.

Couchette or seat

This is an overnight journey, and the class you choose is the single biggest factor in whether you arrive in Vienna able to do anything.

A seat is the cheapest option and it is a false economy on a journey this long. Second-class compartments and open coaches are fine for six hours and punishing for eighteen. You will not sleep properly, the lights and the border formalities interrupt, and you will lose the first Vienna day to a nap.

A couchette (cușetă) is a shared compartment with fold-down bunks, bedding provided, four or six berths. It is the sensible middle: you lie flat, you sleep, and you share with strangers. Six-berth is cheaper and tighter; four-berth is worth the difference if it is offered.

A sleeper (vagon de dormit), where one is attached, gives you one or two berths in a lockable compartment, usually with a washbasin. It is the expensive option and it is the one that turns the journey from an ordeal into a night's travel.

What we cannot tell you is which cars are attached to your specific train on your specific date, or what any of them cost. CFR changes the composition seasonally and the fares are not published in a form we could verify this month. Check the composition when you book and reserve the sleeping place at the same time as the ticket — couchettes and sleepers sell out on this route in summer and around holidays long before the seats do.

What it costs against flying

We are not going to invent a fare. Here is what can honestly be said.

Flying is the fast option. Bucharest Otopeni to Vienna takes about 1 hour 40 minutes, and both Austrian Airlines and Ryanair serve the route; Austrian also flies from Iași and Sibiu, and AnimaWings opened a twice-weekly Cluj–Vienna service in July 2026. Airline fares swing by a factor of five depending on the day and how far ahead you buy, so any number we printed would be wrong by the time you read it.

The bus is the price floor. FlixBus runs București to Vienna in roughly 17 to 19 hours, twice a day, with fares that have been advertised from about 188 lei. That is a secondary source and not an official tariff, but it sets the shape of the market: on this corridor, the coach is cheapest, the plane is fastest, and the train sits between them on both counts.

The train's real economics are not in the ticket price. They are in what the ticket price replaces:

• No airport transfers. You leave from a city-centre station and arrive at a city-centre station. A flight to Vienna adds the trip to Otopeni at one end and, at the other, €11 on the airport bus or €14.90 on the CAT — figures checked in September 2026 on viennaairportbus.com and viennaairport.com. The airport transfer guide has the full comparison.
• No hotel night. An overnight train is a night's accommodation. In a city where a mid-range double runs well over €100, that is not a small line in the budget — see is Vienna expensive and the prices page.
• No baggage fees, no liquid rules, no check-in. You carry what you can lift.

Against that, the train costs you a day. Whether that trade works is a question about your holiday, not about arithmetic.

Luggage, documents and the practical bits

Luggage. There is no weigh-in and no fee. You take what you can carry, lift and keep an eye on — racks above the seats, space at the end of the coach and under the couchette bunks. Nobody helps you at the steps, which on some Romanian and Hungarian rolling stock are high. Two medium cases and a rucksack per person is realistic; four large cases is not. Bicycles need their own reservation and are not accepted on every service.

Documents. Carry your identity card or passport where you can reach it. Romania has been a full Schengen member since January 2025, so there are no scheduled passport controls on this route, but staff and police do carry out checks on international trains and the request is routine.

Money. Austria is in the euro. Cards work almost everywhere in Vienna, ATMs are plentiful, and it is worth having a small amount of cash for market stalls and older cafés — the essentials page covers tipping, opening hours and emergency numbers.

Food. Assume there is no restaurant car and be pleasantly surprised if there is. Bring water, bring more than you think you need, and buy something substantial before you board. There are shops at București Nord and at the Budapest stations if you are changing.

Safety. It is an ordinary European overnight train. Lock the couchette compartment from inside, keep documents and phone in the bunk with you rather than in a bag on the floor, and use the strap or chain if the compartment has one. The safety guide covers Vienna itself, which is one of the safest cities in Europe.

Arriving: Wien Westbahnhof, and why that is lucky in 2026

The Romanian trains arrive at Wien Westbahnhof, in the 15th district, and this is where the train quietly wins in 2026 and 2027.

Vienna's S-Bahn trunk line between Praterstern and Wien Hauptbahnhof is closed from 7 September 2026 until the end of October 2027, and the S-Bahn platforms at Wien Mitte are shut with it. That closure disrupts almost every rail route into the middle of the city — including the airport train, which is running as a coach service. It does not touch Westbahnhof at all.

From Westbahnhof into the centre:

• U3 (orange), direction Simmering — five stops to Herrengasse for the Hofburg, six to Stephansplatz for the cathedral. Twelve minutes, no change, completely unaffected by the works. This is as easy as arriving in a European capital gets.
• U6 (brown) for the outer districts and to connect southwards.
• Tram 5, 9, 18 and 52 from outside the station; the Mariahilfer Straße shopping street starts across the road and walks you into the city in half an hour.
• Left luggage and shops at the station, which is one of the few places in Vienna open on a Sunday.

If a connection instead routes you to Wien Hauptbahnhof — which most Austrian long-distance trains use — take U1 into the centre; that line is also unaffected. The train stations page explains what each Vienna station is for, and the getting around guide covers what ticket to buy once you step off. Buy a transport ticket before you board the U-Bahn; the machines take cards and there are no barriers, but inspectors are frequent and fines are not negotiable.

Where to stay depends on which station you arrive at: Rudolfsheim-Fünfhaus around Westbahnhof is cheap and well connected, Favoriten around the Hauptbahnhof is newer, and the where to stay guide compares them against the central districts.

When the train beats the plane

Take the train if:

• You are travelling with children. They can walk about, sleep flat and use a toilet without a seatbelt sign. Eighteen hours on a train with a six-year-old is easier than four hours of airport with the same child.
• You have a lot of luggage, or luggage that airlines charge for — instruments, ski gear, a month's belongings.
• You are afraid of flying, or simply do not enjoy it.
• You live in the north-west and the Someș from Baia Mare runs from your side of the country.
• The overnight replaces a hotel night and you are travelling on a budget where that matters.
• You want the journey to be part of the holiday. Crossing the Hungarian plain at dawn with coffee is a real pleasure, and it is the same arrival the Habsburg empire's own passengers made.

Fly if:

• Your trip is three days or shorter. Two travel days out of three is not a holiday. See one day in Vienna and three days in Vienna for what a short visit actually needs.
• You found a cheap fare from Otopeni, Iași, Sibiu or Cluj. At the low end of the airline price range the train cannot compete on any measure.
• You need to be somewhere at a fixed time. This corridor accumulates delay, and a late arrival ruins a concert booking.
• You want to combine cities. If Vienna is one stop of several, fly in and move on by rail from there — the intercity legs inside central Europe are short, fast and a completely different experience from the Romanian overnight. Bratislava is barely an hour from Wien Hauptbahnhof.

Driving is the third option and has its own arithmetic of vignettes and parking: the driving to Vienna guide has the Hungarian e-matrica and Austrian vignette prices. Everything aimed specifically at Romanian visitors is gathered on the from Romania page.

Before you book: the checklist

1. Search your actual date on cfrcalatori.ro. Timetables on this route have changed repeatedly. The current one is valid only to 12 December 2026; after that, nothing is published yet.
2. Read the result carefully — one train number all the way, or a change in Budapest? Which Budapest station?
3. Cross-check the Austrian end on oebb.at, which will also warn you about engineering works.
4. Reserve a couchette or sleeper at the time of booking, not later.
5. Confirm the arrival station. Westbahnhof puts you on the U3 and dodges the 2026–27 works entirely.

Then the fun part: the attractions hub for what to see, the palaces page for Schönbrunn and the Hofburg, the concerts page for the evening, best time to visit for when to go at all, and the trip planner to put it in order.