Overview
Frankfurt's public transport system is built on three pillars: the U-Bahn (underground/light-rail metro), the S-Bahn (suburban commuter rail), and trams and buses. As a visitor, you'll find them well-coordinated and integrated into a single ticketing system operated by the Rhein-Main-Verkehrsverbund (RMV). To ride end-to-end, you simply purchase a ticket before boarding from a machine (found at all stations and stops) and validate it at the entry gate or machine at the platform. The U-Bahn runs underground through the city centre and on elevated or street-level tracks in the suburbs. Most journeys within Frankfurt are quick and straightforward once you understand the colour-coded line system and which central stations serve your route.
The network
The Frankfurt U-Bahn is a Stadtbahn (light-rail metro system) that opened in 1968 and has grown to 84 stations across nine lines spanning 64.85 kilometres. Despite its name, it is not a true underground railway; about 59% of the track is underground, while the rest runs above ground on reserved track or street level in the suburbs. Eight of the nine U-Bahn lines pass through the city centre; only line U9 does not.
U-Bahn (Metro) lines
The U-Bahn consists of nine lines—U1 through U9—which branch from four main trunk routes (A, B, C, and D). Key central junctions are Hauptwache and Konstablerwache, where multiple lines converge.
- U1, U2, U3, U8: All serve the A-line trunk route through the city centre.
- U4, U5, U6, U7: Use the B and C-line trunk routes through the city centre.
- U9: Opened in 2010 as part of the partially completed D-line, serving the university campus and Riedberg development area; does not pass through the city centre.
Key city-centre stations include Hauptwache (U1, U2, U3, U6, U8), Konstablerwache (U4, U5, U6, U7), and Dom/Römer (U4, U5), which serves the historic Old Town. Eight of the nine lines pass through these interconnected central tunnels, making transfers easy.
S-Bahn (Suburban rail)
The Rhine-Main S-Bahn, operated by Deutsche Bahn, connects downtown Frankfurt to the suburbs and surrounding cities such as Mainz, Wiesbaden, and Darmstadt. Two key lines serve the airport: S8 and S9. The S7 terminates at Frankfurt Central Station (Hauptbahnhof). Note that the S-Bahn is known for delays of 5–15 minutes during morning rush hour; allow extra time if you have a time-critical appointment.
Tram (Straßenbahn) and buses
Frankfurt's tram network complements the U-Bahn and S-Bahn. Tram line 11 and line 12 serve the Old Town (Dom/Römer) area. Buses cover areas not served by rail, and long-distance buses (FlixBus and others) depart from the Fernbusbahnhof Frankfurt am Main, located directly south of the Central Station with seamless connections to local transport.
Ferries
The sources provided do not detail any regular ferry services as part of Frankfurt's public transport system.
Tickets & fares
Ticket types and prices
All tickets are purchased from ticket machines before boarding. Machines can be switched to English, and you have two main choices: Einzelfahrt Frankfurt (single trip within Frankfurt) or Tageskarte Frankfurt (all-day ticket within Frankfurt). If travelling to the airport, select Einzelfahrt Frankfurt Flughafen or Tageskarte Frankfurt Flughafen. For destinations outside Frankfurt, enter the destination code at the machine.
A single ticket from the airport to the city centre costs approximately €6.60 for adults, with accompanying children at €2.90 (April 2026 prices); these are subject to change. Day tickets and weekly tickets are available at various fare levels. A day ticket is valid for the entire day plus until 5 a.m. the next day.
Longer-term passes
- Weekly Ticket (Wochenkarte): Valid for 7 consecutive days, more economical than day tickets after 5 days of travel.
- Monthly Ticket (Monatskarte): Valid until the same date in the following month; available at various fare levels.
- Annual Ticket (Jahreskarte): Available with monthly or annual payment options.
- Deutschland-Ticket: €63 per month, valid on all local and regional transport throughout Germany with monthly cancellation allowed; non-transferable. Reduced rates available: €44/month for Hesse residents with proof, or €31.50/month for Frankfurt residents with a Frankfurt-Pass.
Group and special tickets
- Group Day Ticket: For up to 5 people travelling together; names are required on the ticket and it is non-transferable.
- Large Group Ticket: For 10 people, with discounts of up to 40% compared to single tickets.
- HessenTicket: For 1–5 people throughout Hesse state; valid from 9 a.m. on weekdays and all day on weekends and public holidays.
- RMV Schülerticket Hesse (school pupils): €33.80 per month or €398 per year for unlimited journeys throughout Hesse.
- RMV Seniorenticket Hessen (age 65+): €33.80 per month or €398 per year for unlimited journeys throughout Hesse.
- RMV Semesterticket: Available to university students in the RMV area through their university.
Tourist and visitor passes
- Frankfurt Card: Available for 1–5 people within the Frankfurt city area including the airport; includes discounts at attractions.
- RhineMainCard: Valid for 1–5 people throughout the RMV network, with discounts at leisure destinations.
- Hotel Guest Ticket: Available through hotels and youth hostels.
Payment and smartcards
The sources provided do not describe a tap-to-ride contactless card system or mobile payment integration for regular ticket purchase. All tickets are bought from ticket machines at stops and stations before travel.
From the airport
Frankfurt Airport (FRA), one of Europe's busiest, is well connected to the city by rail and bus.
By S-Bahn (fastest option)
The most convenient option is the S-Bahn. Take line S8 or S9 from the regional train station (Regionalbahnhof) on the lowest level of Terminal 1, with entrances in sections A and B. If your flight arrives at Terminal 2, allow an extra 15 minutes to reach Terminal 1 using the free shuttle bus or monorail Skytrain. The S8 and S9 run towards Offenbach Ost or Hanau. The journey to the city centre takes about 20 minutes. Key stops include Frankfurt Taunusanlage, Frankfurt Hauptwache (the heart of the city), and Frankfurt Konstablerwache. To reach Frankfurt Central Station (Hauptbahnhof) for long-distance rail connections, stay on until that stop. Adult tickets cost €6.60, with children's tickets at €2.90. Do not take the S1, as it does not stop at the airport. Tickets must be purchased at the vending machines in the train station before boarding.
By bus
Bus line 61 serves Frankfurt South Station (Frankfurt Süd), which is connected to the U-Bahn (U1, U2, U3, U8), S-Bahn (S5, S6), and long-distance rail.
By taxi
Taxis are available but are more expensive than public transport and may face traffic delays.
Return to the airport
To return to the airport, take the S8 or S9 in the direction of Wiesbaden from central stations such as Hauptwache, Konstablerwache, or Hauptbahnhof.
Etiquette & customs
The sources provided do not contain specific details about local customs such as queuing behaviour, escalator etiquette, quiet zones, priority seating rules, eating and drinking restrictions, or rush-hour conventions on Frankfurt's public transport. Standard German politeness—being respectful of others' space, keeping noise to a minimum, and offering seats to elderly passengers and those with children—is expected, but detailed local customs are not documented in the available sources.
Official links
Survival terms
- U-Bahn / Untergrundbahn: Underground/metro railway
- Fahrkarte / Ticket: Ticket
- Linie: Line
- Eingang: Entrance
- Ausgang: Exit
- Umstieg: Transfer
- Einzelfahrt: Single fare
- Tageskarte: Day pass
- S-Bahn: Suburban/commuter rail (S = Schnellbahn)
- Straßenbahn: Tram
Always validate your ticket at the entry gate or platform machine before boarding, and allow extra time during morning rush hour—especially if using the S-Bahn, which commonly experiences delays of 5–15 minutes.