The average train between Aarau and St. Margrethen SG takes 2h 8m and the fastest train takes 2h 5m. There is a train service every few hours from Aarau to St. Margrethen SG. 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 Aarau and St. Margrethen SG. The earliest departure is at 6:31 AM in the morning, and the last departure from Aarau is at 7:31 PM which arrives into St. Margrethen SG at 9:46 PM. All services require a transfer at St. Gallen and take an average of 2h 8m. The schedules shown below are for the next available departures.

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Want to know about travelling from Aarau to St. Margrethen SG? 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 Aarau to St. Margrethen SG. However, there are services departing from Aarau station and arriving at St. Margrethen SG station via St. Gallen. The journey, including transfers, takes approximately 2h 8m.
Aarau to St. Margrethen SG train services, operated by Swiss Federal Railways (SBB CFF FFS), depart from Aarau station.
Aarau to St. Margrethen SG train services, operated by Swiss Federal Railways (SBB CFF FFS), arrive at St. Gallen station.
Book your Aarau to St. Margrethen SG train tickets online with Swiss Federal Railways (SBB CFF FFS) and Thurbo.
The distance between Aarau and St. Margrethen SG is 120.1 km. The road distance is 155 km.
Swiss Federal Railways (SBB CFF FFS) operates a train from Aarau to St. Gallen hourly. Tickets cost CHF 40–130 and the journey takes 1h 31m.