Traveling to Barcelona soon? Get yourself a sim card for Spain on arrival in Barcelona or an e-sim card and stay connected. Don't waste money on high roaming charges or get annoyed by slow overseas data roaming plans. This is a complete guide for buying a sim card at Barcelona Airport. Find out where to buy a sim card, up to date prices as per May 2023, the best e-sim cards for Barcelona, the best 4G/5G network in Spain, info about international sim cards and more.