Vienna U-Bahn Guide: Metro Lines, Map & Insider Tips (2026)

Vienna’s U-Bahn (Untergrundbahn) is one of Europe’s most efficient subway systems — five color-coded lines covering 109 stations, with trains every 2–5 minutes during the day and 24-hour service Friday and Saturday nights. A single ticket costs €2.40 and works across the whole network including trams and buses. This guide explains each line, the best connections, station tips, and the common mistakes tourists make on the Vienna U-Bahn.

The Five Lines

U1 (Red) — Leopoldau ↔ Oberlaa

Vienna’s most useful tourist line. Connects:

• Praterstern — the Prater amusement park and Giant Ferris Wheel
• Schwedenplatz — Donaukanal and “Bermuda Triangle” entertainment district
• Stephansplatz — St. Stephen’s Cathedral, central Vienna’s heart
• Karlsplatz — Karlskirche, Naschmarkt, Musikverein, Vienna State Opera
• Taubstummengasse — Belvedere area
• Südtirolerplatz/Hauptbahnhof — the main train station

U2 (Purple) — Karlsplatz ↔ Seestadt

Crosses central Vienna roughly east–west:

• Karlsplatz — junction with U1 and U4
• MuseumsQuartier — the MQ entrance
• Volkstheater — transfer to U3
• Rathaus — City Hall
• Schottentor — Votivkirche, university area
• Taborstraße — Karmelitermarkt and 2nd district

U3 (Orange) — Ottakring ↔ Simmering

The major east–west commuter line through central Vienna:

• Westbahnhof — major train station, Mariahilfer Straße shopping
• Neubaugasse — the 7th district creative quarter
• Volkstheater — transfer to U2
• Herrengasse — Hofburg complex
• Stephansplatz — transfer to U1
• Stubentor — MAK museum, the Stadtpark
• Landstraße/Wien Mitte — airport train station, transfer to U4

U4 (Green) — Heiligenstadt ↔ Hütteldorf

The “tourist line” connecting many major attractions:

• Heiligenstadt — Karl-Marx-Hof, wine taverns of Grinzing
• Spittelau — Hundertwasser district heating plant
• Schottenring — transfer to U2; Schottenkirche
• Schwedenplatz — transfer to U1
• Stadtpark — the central park with Strauss statue
• Karlsplatz — junction with U1 and U2
• Margaretengürtel — Reumannhof (Red Vienna)
• Schönbrunn — the palace
• Hietzing — Schönbrunn back entrance, Klimt Villa, Hietzinger Friedhof

U6 (Brown) — Floridsdorf ↔ Siebenhürten

The line that runs primarily on elevated tracks (using parts of Wagner’s original Stadtbahn):

• Spittelau — transfer to U4 and Hundertwasser
• Burggasse-Stadthalle — Vienna’s main events venue
• Thaliastraße — 16th district
• Westbahnhof — transfer to U3 and main station
• Margaretengürtel — transfer to U4
• Tscherttegasse — outer districts

The U6 follows much of Otto Wagner’s original 1898 Stadtbahn route. Several stations preserve Wagner-designed elements. See our Art Nouveau guide.

How to Buy U-Bahn Tickets

U-Bahn tickets work across all Wiener Linien services (U-Bahn, S-Bahn within city, tram, bus). Five purchase methods:

1. Ticket Machines at Every Station

Touch-screen machines accept cards (Visa, Mastercard, Maestro) and cash. Available in English, German, and several other languages. The standard purchase types:

• Single ticket (Einzelfahrt): €2.40. Valid for one journey, any single direction, with transfers within a continuous trip.
• 24-hour ticket: €6. Unlimited travel for 24 hours from first validation.
• 48-hour ticket: €14.10. Unlimited 48 hours.
• 72-hour ticket: €17.10. Unlimited 72 hours.
• Weekly pass (Wochenkarte): €17.10. Calendar week Monday–Sunday.
• Vienna City Card: €17–25 depending on duration, includes transport plus attraction discounts.

2. The WienMobil App

Buy tickets through the official Wiener Linien app. Tickets are stored on your phone with QR codes. Convenient for visitors with smartphones.

3. Tabakladen (Tobacco Shops)

Most Tabakladen (newspaper/tobacco shops) sell U-Bahn tickets. Useful for tourist areas where ticket machines may have queues.

4. Hotel Concierge

Most Vienna hotels sell U-Bahn tickets at the front desk.

5. Annual Subscription

For residents only — not relevant for tourists.

How to Use Tickets

• Validate before boarding. Insert your single ticket into a small blue validation machine on platforms or at station entrances. The machine prints the date and time on your ticket.
• 24-hour passes start when first validated. Validate when you first use the pass; the 24 hours runs from that moment.
• Don’t validate again. Once validated, just keep the ticket; don’t re-validate.
• Random inspections. Plainclothes inspectors check tickets randomly; fines for traveling without a valid ticket are €105. Always have a validated ticket.
• Phone tickets: Open the app and show the active ticket when asked.
• Children: Under 6 travel free with adult; ages 6–14 travel free during school holidays and weekends.

The Best U-Bahn Transfers

Vienna’s U-Bahn has clean transfer points where multiple lines meet:

• Karlsplatz: U1, U2, and U4 all meet. The most useful single transfer point for central tourism.
• Stephansplatz: U1 and U3 meet at the central cathedral square.
• Volkstheater: U2 and U3 meet near the MuseumsQuartier.
• Westbahnhof: U3 and U6 meet at the major train station.
• Spittelau: U4 and U6 meet near the Hundertwasser plant.
• Wien Mitte/Landstraße: U3 and U4 meet at the airport-train station.

Most transfers require walking 1–3 minutes between platforms; some are at the same level (immediate transfer), others require going up or down via escalators.

U-Bahn Operating Hours

• Monday–Thursday and Sunday: 5:00 a.m. to 12:30 a.m. roughly
• Friday and Saturday: 24-hour service! Trains run every 15 minutes through the night.
• Peak frequency: Every 2–5 minutes during daytime
• Off-peak: Every 5–10 minutes evenings and early mornings
• Night service: 24-hour service Friday-Saturday; otherwise the Nightline buses cover the post-midnight period

U-Bahn Etiquette

• Stand on the right of escalators; walk on the left. Vienna is strict about this.
• Let passengers exit first before boarding the train.
• Yield priority seats to elderly, pregnant, or disabled passengers. They’re clearly marked.
• Quiet conversation only. Vienna U-Bahn is not a place for loud conversation, phone calls, or music.
• No eating or drinking on trains (though water bottles are tolerated).
• Bicycles allowed after 6:30 p.m. and before 9:00 a.m. on weekdays; all day on weekends and holidays. Designated bike sections on each train.

Accessibility

Most U-Bahn stations have lifts; the few without lifts are marked on system maps. Train doors have step-free or single-step access depending on station type. The “Wiener Linien” website has detailed accessibility information for each station.

Common Tourist Mistakes

• Not validating tickets. An unvalidated single ticket counts as no ticket; you face a €105 fine. Always validate before boarding.
• Trying to enter without paying. Vienna U-Bahn uses honor system — no turnstiles. But fines for fare evasion are aggressive.
• Buying single tickets repeatedly. If you’re making 4+ trips in a day, the 24-hour pass at €6 saves money.
• Confusing U-Bahn with S-Bahn. Same ticket usually works, but the S-Bahn extends beyond the city limits where additional zones apply. The airport S7 requires a separate €5.40 ticket.
• Missing the late-night service. Friday and Saturday nights have 24-hour service. Weeknight visitors need to time their last train.
• Standing on the left of escalators. You’ll cause a backup behind you.
• Believing every “Vienna transport pass” includes the airport. It doesn’t — the airport requires a separate ticket.
• Using the Vienna Card as a ticket only. The Vienna Card includes transport BUT also includes attraction discounts — you’re double-paying if you only use it for transit.

The History of the Vienna U-Bahn

Vienna’s U-Bahn system has unusual origins compared to most European metros. Three foundations:

• Stadtbahn (1898–1900): Otto Wagner’s original urban railway predates the U-Bahn by 70+ years. The U6 today still runs on much of the original Stadtbahn route; several U4 stations preserve Wagner station architecture. See our Art Nouveau guide.
• U-Bahn Phase 1 (1969–82): Modern U-Bahn construction began in 1969 with the U1. The U2, U3, and U4 followed in the 1970s and 1980s. The U6 was created in 1989 by converting parts of the old Stadtbahn.
• Continuous expansion: The system has expanded continuously since 1969. The most recent major expansion was the 2017 U1 extension to Oberlaa. The U2 is being extended to Karlsplatz and beyond. New lines (U5) are planned.

U-Bahn vs S-Bahn vs Tram

Vienna has three rail transit systems that visitors sometimes confuse:

• U-Bahn (Underground): The metro system covered in this guide. 5 lines, all underground or elevated.
• S-Bahn (Schnellbahn): Suburban rail extending beyond the city. Same ticket as U-Bahn for travel within Vienna, but additional zones cost more for travel beyond the city. The airport S7 is the most famous tourist S-Bahn line.
• Tram (Straßenbahn): Street-level trams. 28 lines covering many areas not served by U-Bahn. Same ticket as U-Bahn. See our forthcoming tram guide.

All three use the same ticket system. The Wiener Linien app and route planner integrate all three for seamless multi-modal trips.

The WienMobil App

Vienna’s official transit app (WienMobil) provides:

• Real-time arrival and departure information for every U-Bahn, S-Bahn, tram, and bus stop
• Multi-modal route planning (walk + transit combinations)
• Ticket purchase with QR codes stored on your phone
• Service disruption alerts
• Bike-sharing and car-sharing integration (where applicable)

Download before arrival. Available in English on iOS and Android.

Tips for Specific Tourist Trips

• Stephansplatz to Schönbrunn: U1 to Karlsplatz, change to U4 (green) to Schönbrunn. About 20 minutes total.
• Stephansplatz to Belvedere: U1 south to Taubstummengasse, walk 5 minutes. Or U3 east to Stubentor, walk 10 minutes.
• Stephansplatz to Hofburg: Walk — 5 minutes via Graben.
• Stephansplatz to MuseumsQuartier: U3 west to Volkstheater, walk 3 minutes. Or walk — 15 minutes.
• Stephansplatz to Prater: U1 north to Praterstern. About 10 minutes.
• Stephansplatz to Hauptbahnhof: U1 south. About 8 minutes.
• Westbahnhof to Stephansplatz: U3 east. About 8 minutes.
• Vienna Airport to Stephansplatz: S7 to Wien Mitte, change to U3 to Stephansplatz. About 35–40 minutes total.

U-Bahn Stations Worth Seeing for Themselves

Several U-Bahn stations are architecturally or culturally interesting beyond their function:

• Karlsplatz: The Wagner Stadtbahn pavilions at the entrance are 1898 Jugendstil masterpieces. One is now the Otto-Wagner-Pavillon museum.
• Schönbrunn: The Hofpavillon Hietzing — Wagner’s imperial waiting hall for Franz Joseph — is at the back of the station. €5 museum admission.
• Spittelau: The Hundertwasser district heating plant is across the street — Friedensreich Hundertwasser’s 1992 fantastical building.
• Kettenbrückengasse (U4): Step out for the Naschmarkt and the Schubert death house.
• Volkstheater: Direct access to the MuseumsQuartier and the start of Mariahilfer Straße shopping.
• Stephansplatz: Direct exit into the cathedral plaza — one of Europe’s great urban arrivals.
• Stadtpark (U4): Stops at the Stadtpark with the Strauss golden statue and central park access.
• Praterstern: Directly under the Prater amusement park with the Riesenrad visible from the exit.

The Wiener Linien Network Today

Vienna’s full public transport network operated by Wiener Linien consists of:

• 5 U-Bahn lines with 109 stations
• 28 tram lines — the longest tram network in Europe by track length
• 132 bus lines including dedicated tourist routes
• Approximately 940 stops total across all services
• 2.4 million daily passenger trips
• Annual ridership: 962 million trips (2024 figures)

The combined network covers virtually every part of Vienna within a 7-minute walk of a stop. The “no part of Vienna more than 7 minutes from public transport” goal is one of the city’s official policy commitments.

Tickets Through the Vienna City Card

The Vienna City Card is an optional combined transport + discount card:

• 24h City Card: €17 — includes 24h transport + 200+ attraction discounts
• 48h City Card: €22 — includes 48h transport
• 72h City Card: €25 — includes 72h transport
• City Card 6h or family options — specialized variants

The math: a 72h transport pass alone is €17.10. A 72h City Card adds attraction discounts for €7.90 extra. If you use 3+ of the included attraction discounts (Schönbrunn, Belvedere, Hofburg are typical 10–20% discounts), the City Card pays for itself. If you’re not visiting many included attractions, just buy a regular 72h pass.

Future U-Bahn Expansions

Vienna is actively expanding the U-Bahn system:

• U5 (new line): Construction underway. Initial section from Karlsplatz to Frankhplatz expected to open in 2026; further extension to Hernals planned by 2030. Will be Vienna’s first fully automated, driverless U-Bahn line.
• U2 modifications: The U2 is being rerouted and extended to align with the new U5. Sections of the current U2 are being closed for redesign.
• U6 modernization: Wagner-era stations are being renovated; original architectural elements preserved.

Construction has caused some service disruptions in central Vienna 2024–26. The Wiener Linien website and app post current status. Visitors should check current schedules before relying on specific routings.

Eco-Friendly and Future-Proofing

Vienna’s transit system is fully electric (all U-Bahn lines run on electric power from largely renewable Austrian grid sources). The system contributes to Vienna’s status as one of the most environmentally sustainable major European cities. Key facts:

• U-Bahn produces about 23g CO₂ per passenger-kilometer (lowest of any Vienna transport mode)
• The annual transit pass costs €365 (€1 per day) — among the cheapest of any major European city
• Subsidies from the City of Vienna fund the low fares; per-passenger subsidies are higher than in most European cities
• The system is funded as a public good rather than commercial enterprise

This philosophy — transit as public infrastructure rather than commercial service — explains why Vienna fares are so much lower than in most European capitals while service quality remains high.

FAQ

How much is a single Vienna U-Bahn ticket?

€2.40 for a single journey. Valid across all Wiener Linien services (U-Bahn, tram, bus, urban S-Bahn). Buy from machines, the app, Tabakladen, or hotels.

Does Vienna U-Bahn run at night?

Friday and Saturday nights have 24-hour service with trains every 15 minutes. Other nights run until roughly 12:30 a.m. Night bus services cover the post-midnight period on weeknights.

What’s the best Vienna transport pass for tourists?

For 1–2 days: the 24-hour pass (€6) or 48-hour pass (€14.10). For 3 days: the 72-hour pass (€17.10) or weekly pass (€17.10). The Vienna Card adds attraction discounts but costs €17–25.

Are Vienna U-Bahn tickets the same as tram tickets?

Yes — all Wiener Linien services (U-Bahn, tram, bus, urban S-Bahn) use the same ticket. A single ticket allows transfers within one continuous journey.

How frequent are Vienna U-Bahn trains?

Every 2–5 minutes during daytime peak; every 5–10 minutes evenings and weekends; every 15 minutes for the 24-hour Friday-Saturday night service.

Can I bring a bike on the Vienna U-Bahn?

Yes — bicycles are allowed Monday–Friday 6:30 p.m. to 9:00 a.m. and all day on weekends and public holidays. Designated bike sections on each train. Bring your own bike onboard; no rental at stations.

How do I get to Schönbrunn by U-Bahn?

Take the U4 (green line) to Schönbrunn station. The palace is 5 minutes’ walk from the station. See our Schönbrunn guide.