The average train between Winterthur and Au takes 1h 24m and the fastest train takes 1h 11m. There is a train service every few hours from Winterthur to Au. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Winterthur and Au. The earliest departure is at 12:35 AM at night, and the last departure from Winterthur is at 7:58 PM which arrives into Au at 9:09 PM. All services require a transfer, and take on average 1h 24m. The schedules shown below are for the next available departures.

2h 15m • 1 change

4h 6m • 1 change

1h 31m • 1 change

1h 11m • 1 change

1h 11m • 1 change

1h 31m • 1 change

1h 11m • 1 change

1h 31m • 1 change

1h 11m • 1 change

1h 31m • 1 change

1h 11m • 1 change

1h 31m • 1 change
Want to know about travelling from Winterthur to Au? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Winterthur to Au. However, there are services departing from Winterthur station and arriving at Au station via St. Margrethen Sg. The journey, including transfers, takes approximately 1h 24m.
Winterthur to Au train services, operated by SBB GmbH, depart from Winterthur station.
Winterthur to Au train services, operated by SBB GmbH, arrive at St. Margrethen Sg station.
Book your Winterthur to Au train tickets online with SBB GmbH, Schweizerische Südostbahn AG and 2 other operators.
The distance between Winterthur and Au is 69.1 km. The road distance is 86 km.
Swiss Federal Railways (SBB CFF FFS) operates a train from Winterthur to St. Margrethen Sg hourly. Tickets cost CHF 27–85 and the journey takes 51 min. Two other operators also service this route.