Traveling to Portugal soon? Don't waste money on high roaming charges, this is a complete guide for staying connected when traveling to Portugal. Prepaid sim cards and eeven e-sim cards are very affordable and easy to get. You can buy them on the internet or in stores around the cities, and even at Lisbon International Airport on arrival. In this article you will read where you can buy sim cards for Portugal, which provider has the best and fastest 4G/5G network in Portugal, up to date prices as per March 2023 and info about international and e-sim cards for Portugal.