There are two public transport options for travelling between Porto and Santiago da Compostela.
Train:
There is a twice daily "Celta" train connecting Porto Campanha Station and Vigo in Galicia. Only the morning train has an onward connection to Santiago da Compostela according to renfe.es, the Spanish Railways website.
Daily Schedule as follows:
Name: TRENCELTA No. 12424 MD
Dept: Porto Campanha 08.15
Arr: Vigo Guixar 11.30
Dept: Vigo Guixar 12:13
Arr: Santiago da Compostela 13:37
Bus/Coach
There is a daily bus service operated by alsa.es(or associates) that departs Porto Casa da Musica Bus station as follows:
Dept: Porto 12:45
Arr: Santiago Compostela 17:45
Transit Time: 4h00 (Note time in Spain is one hour ahead of Portugal.)
This service operates via Porto Airport (15 minutes later), Braga and Vigo.
