Budapest to Vienna (240km, 2.5–3 hours) is one of Europe's classic short-haul city-to-city connections. Both cities were the twin capitals of the Austro-Hungarian Empire and they share a deep architectural and cultural kinship — very different atmospheres, but connected by history. Here is every option compared.
✔ Train (Railjet): 2.5 hours — €19–45 booked ahead
✔ FlixBus/RegioJet: 2.5–3 hours — €9–20
✔ Hire car: 2.5 hours — From €30/day
🚄 Train — ÖBB Railjet (Recommended)
The ÖBB Railjet runs hourly between Budapest Keleti and Vienna Hauptbahnhof — the fastest, most comfortable and most reliable option. The journey hugs the Danube for stretches and passes through the flat Hungarian plain. Book on oebb.at or mav.hu. The €19 Sparschiene fare is regularly available. Walk-up fares are €35–45.
💡 Tip: Book on oebb.at for the best prices — often cheaper than buying at the station. The 8:40am departure from Budapest arrives in Vienna at 11:08am — a perfect morning connection.
🚌 FlixBus / RegioJet
FlixBus and RegioJet both run the Budapest–Vienna route frequently at significantly lower prices than the train. Comfortable coaches with Wi-Fi. Departs from Budapest Kelenföld or Népliget bus terminals.
💡 Tip: RegioJet yellow coaches have excellent seats and included refreshments — worth the small premium over FlixBus for a comfortable journey.
🚗 Hire Car
The M1 motorway runs almost entirely straight between Budapest and Vienna — one of Europe's most straightforward drives. Bratislava (Slovakia's capital) is directly on the route, 1 hour from both cities — ideal for a brief stop at the compact old town and the dramatic Bratislava Castle.
💡 Tip: The Austrian motorway requires a Vignette (toll sticker) — buy at the border or in advance online. €9.90 for 10 days. Available at petrol stations on the Austrian side.
="font-size:.88rem;color:#555;line-height:1.75;margin-bottom:.6remThe ÖBB Railjet runs hourly between Budapest Keleti and Vienna Hauptbahnhof — the fastest, most comfortable and most reliable option. The journey hugs the Danube for stretches and passes through the flat Hungarian plain. Book on oebb.at or mav.hu. The €19 Sparschiene fare is regularly available. Walk-up fares are €35–45.
What to See on the Way — Bratislava
Bratislava is almost exactly halfway between Budapest and Vienna — 1 hour from each. The compact old town is walkable in 2 hours, the Bratislava Castle gives panoramic views over the Danube and the city, and the UFO Tower restaurant on the bridge is a landmark. Many travellers do a Budapest–Bratislava–Vienna triangle in one trip — all three connected by train or hire car within 2.5 hours of each other.
What to Do on Arrival
Vienna rewards 3–4 days — Schönbrunn, the Kunsthistorisches Museum, the Opera, Belvedere and the extraordinary café culture. Cheaper and better value than the equivalent time in London or Paris. → Vienna Travel Guide
FAQs
What is the best way to travel from Budapest to Vienna?
The ÖBB Railjet train — hourly service, 2.5 hours, from €19 booked ahead. Fast, comfortable and very reliable.
How often do trains run between Budapest and Vienna?
Roughly every hour throughout the day. Total journey time 2.5 hours. Book on oebb.at for best prices.
Is Budapest or Vienna better to visit first?
Either works — they're equally well connected. Budapest first makes sense if flying into Budapest; Vienna first if flying into Vienna. The Railjet makes both directions equally easy.
Is Bratislava worth a stop between Budapest and Vienna?
Yes for a 2–3 hour visit — the compact old town, Bratislava Castle and the UFO Tower are all good. It's directly on the route and adds no significant detour.
Do I need a special ticket for Budapest to Vienna by train?
Book on oebb.at (Austrian Federal Railways) or mav.hu (Hungarian). The ÖBB Railjet is operated jointly. No special ticket needed — a standard international rail ticket covers the full journey.
Can I do Budapest and Vienna in one trip?
Easily — 3 nights Budapest + 3 nights Vienna makes a classic 6-night Central Europe trip. Add Prague (4 hours from Vienna) for the full three-capital circuit.