Preparing for your trip to Switzerland and flying to Geneva Airport? Switzerland is already expensive enough so don't get stuck with high roaming charges. The best way to avoid this is by either getting an e-sim card for Switzerland or buying a local prepaid sim card on arrival in Switzerland. In this guide you find everything about buying a sim card at Geneva Airport: where to buy a sim card, up to date prices as per March 2023, the latest info about EU roaming with Swiss sim cards and more info about international and e-sim cards for Switzerland.