San Sebastian

San Sebastian rewards budget travelers because its headline attraction costs nothing: La Concha, one of Europe’s most famous urban beaches, is free to swim, stroll, and sunbathe around the clock. The whole shape of the city is walkable for free, climb Monte Urgull for sweeping bay views and duck into the Casa de la Historia museum at the top at no charge, then loop the sea-battered Paseo Nuevo promenade and picnic in the public gardens below Miramar Palace. Eating well stays within reach thanks to the pintxo format: order one bite at a time and bar-hop across the Parte Vieja old town instead of committing to a full sit-down meal. Come in late spring or September, when room rates ease well below summer peaks and the crowds thin while the weather still holds. Easy budget day trips reach Bilbao and Basque Pamplona by bus, and the French border town of Biarritz is a short hop up the coast.