Departures of the Transcantábrico 2026 train take place on Saturdays from San Sebastián or Santiago de Compostela. Departure dates are scheduled from May and end in autumn, at the end of October, to take advantage of the good weather and mild temperatures that allow you to enjoy your trip. The dates of the Transcantábrico Train 2026, as every year, will keep the frequency of departures between 2 and 4 times per month.