12 GB
Data
30 days
Validity
$12.99
$1.08/GB
Three eSIM Greece 2026: Promo Code, Data Plans & Prices
Three eSIM Greece 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
Three plans and prices for Greece
Three for Greece FAQ.
Is there a Three promo code for Greece?
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Yes. Use our code when you buy a Greece plan on MobiMatter. Enter it at checkout.
How much does the cheapest Three eSIM for Greece cost?
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The cheapest Three eSIM for Greece costs $12.99 and gives you 12 GB for 30 days. It's the global eSIM, which also works in other countries. We recheck prices daily, so this price is up to date. You can buy it on MobiMatter, the eSIM marketplace that sells Three plans.
Does Three work in Greece?
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Yes, Three works in Greece on its global eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is a Three eSIM for Greece for 7, 15 or 30 days?
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On plans that include Greece, a 30-day Three plan starts at $12.99 for 12 GB. Three has no 7- or 15-day plan for Greece.
Does Three have an unlimited data eSIM for Greece?
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No, Three has no unlimited plans for Greece, so every plan comes with a set amount of data. Its plans run at full speed with no daily limit.
What is Three, and is it good for Greece?
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Three eSIMs are sold through MobiMatter, an eSIM marketplace, with plans covering 99 destinations.
How much does 1 GB of data cost with a Three eSIM in Greece?
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With Three, 1 GB in Greece can cost as little as $0.83 on the global eSIM, which has 36 GB for 30 days.
Can I use a Three eSIM as a mobile hotspot in Greece?
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Yes, every plan from 3 lets you share data through a personal hotspot.
Does Three have a phone plan with a number for Greece?
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No, the Greece plans from 3 are data only, so your home number stays on your main SIM. You can still call and message people through WhatsApp or other apps.
Can I buy a Three eSIM before my trip to Greece and use it later?
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Yes, you can buy it ahead, but install it within 2 months of purchase. The days start counting as soon as you install the eSIM, so install it shortly before your trip.
Can I top up a Three eSIM?
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Yes, you can top up a 3 eSIM in the MobiMatter app or on the MobiMatter site, with no new QR code. A top-up is a new package with its own days, and it doesn't extend the old one.
Does Three have a global eSIM that works in Greece?
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Yes, Three has 7 global plans. These keep you online as you cross borders. Three has no Greece-only plan, so each of its eSIMs here also works in other countries.