Traveling to Finland soon and looking for the best way to stay connected? Don't get stuck with high roaming charges or slow overseas data plans! Traveltomtom recommends buying a prepaid sim card for Finland. In this guide you can find everything you need to know: where to buy a sim card, the best 4G/5G network coverage, up to date prices as per July 2022, my recommendation and more info about international and e-sim cards for Finland.