The average bus between Porto and Cascais takes 4h 44m and the fastest bus takes 4h 27m. The bus service runs several times per day from Porto to Cascais. 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 3 times a day between Porto and Cascais. The earliest departure is at 8:25 AM in the morning, and the last departure from Porto is at 8:15 PM which arrives into Cascais at 12:47 AM. All services require a transfer at CascaiShopping and take an average of 4h 44m. The schedules shown below are for the next available departures.

4h 32m • 1 change

4h 27m • 1 change
Arrives next day

4h 32m • 1 change

4h 37m • 1 change

4h 42m • 1 change
Arrives next day

5h 22m • 1 change

4h 37m • 1 change

4h 42m • 1 change
Arrives next day

5h 22m • 1 change
Want to know about travelling from Porto to Cascais? 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 Porto to Cascais. However, there are services departing from Porto station and arriving at Cascais station via Cascais. The journey, including transfers, takes approximately 4h 44m.
Porto to Cascais bus services, operated by FlixBus, depart from Porto station.
Porto to Cascais bus services, operated by FlixBus, arrive at Cascais station.
The distance between Porto and Cascais is 281.4 km. The road distance is 335 km.
FlixBus operates a bus from Porto to Cascais 3 times a day. Tickets cost €22–40 and the journey takes 3h 55m.