As of late 2023, the average rental price for a one-bedroom apartment in Donostialdea typically ranges from €850 to €1,200 per month, depending on the exact location and amenities offered. In areas such as Errenteria and Pasaia, prices are often on the lower end, averaging around €850 to €950. Contrastingly, in more central locations, like Irun and nearby neighborhoods of San Sebastián, rents can climb significantly, with some listings reaching up to €1,300. Expect to see variations based on factors like proximity to public transport, access to local amenities, and whether the apartment is newly renovated or part of an older building.