The average bus between Porto and Aia takes 17h and the fastest bus takes 11h 10m. The bus service runs several times per day from Porto to Aia. 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 twice daily between Porto and Aia. The earliest departure is at 6:00 AM in the morning, and the last departure from Porto is at 8:00 PM which arrives into Aia at 12:15 PM. All services require a transfer at Bilbao and take an average of 17h. The schedules shown below are for the next available departures.
Arrives next day


24h 35m • 2 changes
Arrives next day


20h 55m • 2 changes
Arrives next day


13h 10m • 2 changes
Arrives next day


22h 45m • 2 changes
Arrives next day


20h 55m • 2 changes
Arrives next day


13h 10m • 2 changes
Arrives next day


24h 35m • 2 changes
Arrives next day


20h 55m • 2 changes
Arrives next day


13h 10m • 2 changes
Want to know about travelling from Porto to Aia? 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 Aia. However, there are services departing from Porto station and arriving at Aia station via Bilbao. The journey, including transfers, takes approximately 17h.
Porto to Aia bus services, operated by FlixBus, depart from Porto station.
Porto to Aia bus services, operated by FlixBus, arrive at Zarautz - Suhiltzaileen Biribilgunea station.
The distance between Porto and Aia is 580.6 km. The road distance is 782 km.
You can take a bus from Porto to Aia - Joan Etorle Kalea 14, Osasun Zentroa via Bilbao, Bilbao Intermodal, Zarautz - Suhiltzaileen Biribilgunea, and Zarautz - Nafarroa Kalea 54 -iñurritza in around 11h 29m.