No. The terminal building is open daily between 6:00 am and 10:00 pm. It closes to the public overnight, and staying overnight inside is not permitted.
You can take Ekialdebus line E21 directly outside the Arrivals area. It provides a semi-direct route via highway AP-8 to Plaza Gipuzkoa and Donostia Bus Station in about 35 minutes for roughly €2.50.
A taxi ride to the city centre takes about 25 minutes and costs approximately €45 to €50 on the meter, with higher rates applicable at night, on Saturdays, and on public holidays.
Iberia (operated by Air Nostrum), Vueling, Binter Canarias, and Volotea operate flights connecting with Madrid, Barcelona, the Canary Islands, and other domestic destinations depending on the season.
No, there are no commercial passenger VIP lounges or access programs like Priority Pass. The airport only offers a private meeting room for rent.
No, the airport does not have lockers or left-luggage storage facilities in the terminal.