Look at the total price, amount of data, how long it’s valid for, and whether it includes calls or requires registration. A travel eSIM is convenient to buy online if your phone is compatible. A local SIM from the airport might be better if you need a Turkish phone number. One isn’t always cheaper than the other, so check the current deals instead of assuming.
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How should I compare a travel eSIM with an airport SIM in Istanbul?
Updated April 22, 2026
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