For 2024 Pilgrims: €50,- donation = 1 year with no ads on the forum + 90% off any 2024 Guide. More here. (Discount code sent to you by Private Message after your donation)
For what it’s worth, we caught the bus in Muxia to Santiago the morning we were traveling with no pre-bought ticket. In fact, there were only a handful of us that morning on this route none of whom had tickets. We simply bought them from the bus...
Transport to your hotel is no problem.
You‘ll find train stations of the Feve narrow gauge railway in Deba, Zumaia and Zarautz, which takes you back to San Sebastián.
As far as I remember they serve both directions hourly.
This site is run by Ivar at in Santiago de Compostela.
This site participates in the Amazon Affiliate program, designed to provide a means for Ivar to earn fees by linking to Amazon