Bilbao, Basque Country to San Sebastián, Basque Country from $4.8: 4 ways by bus, train, flight or car

• Keep your gas tank topped up as gas stations along the A-8 highway are relatively spaced out; expect prices to average around €1.50 per liter.

• Be mindful of San Sebastian's restricted traffic zones (Zona de Bajas Emisiones) where only residents may enter; check for local signage as fines for entering these areas can range from €90 to €200.

• Upon arriving, consider parking at Plaza de Gipuzkoa, which offers rates around €20 per day; arrive early to secure a spot, as parking can fill up quickly during peak hours.

• Onboard services for your train journey from Bilbao to San Sebastian may vary based on the operator. For example, Renfe trains typically provide a catering service that includes a selection of snacks and beverages. You can order food from a trolley service during your trip, or you can opt for pre-packed sandwiches and drinks available for purchase at the station prior to boarding.

• The train service on this route is primarily offered by Renfe and Euskotren. Renfe provides both First Class and Economy Class seating options, with Economy Class being more budget-friendly but still comfortable. Euskotren offers a standard Economy option, which is suitable for short journeys. To review your choices, visit their websites: Renfe and Euskotren.

• Upon arriving at San Sebastian's train station (Donostia-San Sebastián), you'll find convenient amenities. Restrooms are readily available, and while there are no showers, you can leave your luggage at the station for a small fee at the left luggage office. Keep an eye out for signs to navigate easily. To get to the city center from the station, take bus number 5, which will drop you off near the main plaza, or use tram line 1 for easy access to popular areas.

• Book your ticket in advance with ALSA for the most popular route, which takes about 1 hour 27 minutes and can get quite busy, especially during weekends and holidays. You can check schedules and book tickets at alsa.ma

• Bring snacks and drinks for the journey, as the bus does not typically make stops for food; you can find convenience stores near the Bilbao bus station to grab something before departing.

• When you arrive at the Estación de Autobuses de San Sebastián, familiarize yourself with the map of the station, as it can be crowded; there are clear signs in English and Spanish, and you can find information desks for assistance if needed.