The average bus between Trets and Istres takes 3h 7m and the fastest bus takes 2h 12m. There is a bus service every few hours from Trets to Istres. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Trets and Istres. The earliest departure is at 5:45 AM in the morning, and the last departure from Trets is at 8:15 PM which arrives into Istres at 6:42 AM. All services require a transfer at Sous Préfecture and take an average of 3h 7m. The schedules shown below are for the next available departures.


2h 27m • 2 changes


2h 57m • 2 changes


2h 27m • 2 changes
Arrives next day


14h 53m • 2 changes


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2h 23m • 2 changes


3h 43m • 2 changes


2h 48m • 2 changes


2h 27m • 2 changes


2h 12m • 2 changes


2h 12m • 2 changes


2h 27m • 2 changes


2h 53m • 2 changes


2h 23m • 2 changes


3h 43m • 2 changes


2h 48m • 2 changes


2h 27m • 2 changes


2h 12m • 2 changes


2h 12m • 2 changes


2h 27m • 2 changes
Want to know about travelling from Trets to Istres? 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 bus from Trets to Istres. However, there are services departing from Trets station and arriving at Istres station via Sous Préfecture. The journey, including transfers, takes approximately 3h 7m.
Trets to Istres bus services, operated by Lecar Aix-Marseille, depart from Pôle Q4 station.
Trets to Istres bus services, operated by Lecar Aix-Marseille, arrive at Les Carmes station.
The distance between Trets and Istres is 56.8 km. The road distance is 89 km.
You can take a bus from Pôle Q4 to Les Carmes via Sous Préfecture and Gare Routière Salon in around 2h 55m.