The average bus between Biarritz and Saint-Cast-le-Guildo takes 17h 8m and the fastest bus takes 14h 22m. There is at least one bus per day from Biarritz to Saint-Cast-le-Guildo. 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 once daily between Biarritz and Saint-Cast-le-Guildo. The earliest departure is at 10:54 PM at night, and the last departure from Biarritz is at 11:54 PM which arrives into Saint-Cast-le-Guildo at 6:38 PM. All services require a transfer at Aéroport de Biarritz and take an average of 17h 8m. The schedules shown below are for the next available departures.
Arrives next day



14h 22m • 3 changes
Arrives next day



18h 44m • 3 changes
Arrives next day



14h 22m • 3 changes
Arrives next day



18h 44m • 3 changes
Want to know about travelling from Biarritz to Saint-Cast-le-Guildo? 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 Biarritz to Saint-Cast-le-Guildo. However, there are services departing from Biarritz station and arriving at Saint-Cast-le-Guildo station via Rennes. The journey, including transfers, takes approximately 17h 8m.
Biarritz to Saint-Cast-le-Guildo bus services, operated by Txik Txak, depart from Biarritz station.
Biarritz to Saint-Cast-le-Guildo bus services, operated by Txik Txak, arrive at Gare Routière station.
The distance between Biarritz and Saint-Cast-le-Guildo is 574.5 km. The road distance is 716 km.
You can take a bus from G. Petit to La Touche via Aéroport de Biarritz, Biarritz, Gare routière, Gare Routière, and Deroyer in around 13h 25m.