Roaming in Greece: The Real Cost in 2026

You pack your bags for Athens. You have a French SIM card in your phone. Greece is part of the European Union. You assume your mobile data is fully covered. You leave data roaming enabled.

For the most part, you are right. EU regulations mandate "Roam Like At Home" policies. Your home carrier allows you to use your French plan in Greece. But hidden limits and specific travel scenarios quickly turn a free service into a costly headache. Exceed your data cap, and the fees start piling up. Step onto a ferry to the islands, and you face massive satellite roaming charges.

You need a reliable data connection to check ferry schedules, use Google Maps in the Plaka district, and book local tavernas. Relying solely on your domestic plan leaves you vulnerable to sudden data cutoffs or unexpected bill shocks. GoMoWorld gives you a dedicated Greek data plan starting at €3.99 for 7 days. You keep your home number active for calls and texts, and you route all your data through a secure, prepaid eSIM.

Roaming Prices in Greece

Your French mobile plan covers roaming in Greece under the EU roaming agreement. This means you do not pay a daily access fee just to connect to a Greek network like Cosmote or Vodafone.

However, your data allowance in Greece is not the same as your data allowance in France. Your home carrier applies a Fair Use Policy (FUP). If you pay for a 200GB 5G plan in France, your carrier might restrict your EU roaming data to 30GB or 35GB. Check your specific contract details. Once you hit that roaming limit, your carrier charges you per megabyte. These out-of-bundle fees drain your budget fast.

To understand how your domestic carrier handles foreign networks globally, you can review these roaming conditions abroad.

The biggest financial trap in Greece has nothing to do with land networks. It happens on the water. Greece is a country of islands. You will likely take a ferry. Ferries operate in international waters or areas without land-based cell towers. To provide connectivity, ships use satellite networks.

EU roaming regulations do not cover satellite networks. If your phone connects to the ferry’s maritime network, your carrier treats it as "Rest of the World" usage. The cost? Up to €15 per megabyte. Downloading a single 5MB email attachment costs €75. A quick scroll on Instagram costs €150.

What It Actually Costs on a Trip

Let’s look at a concrete 15-day trip to Greece. You fly into Athens, spend a few days exploring, and then take a ferry to Santorini and Mykonos.

Scenario 1: Hitting the Data Cap You have a mid-tier plan that gives you 20GB of EU roaming data.

• Day 1-3: You use Google Maps constantly, upload high-resolution photos, and stream music on the beach. You consume 5GB.
• Day 4-10: You tether your laptop to your phone to do some remote work. You consume 12GB.
• Day 11: You hit your 20GB limit. For the remaining 4 days, your carrier charges you out-of-bundle rates for every megabyte. You spend an extra €40 just doing basic web browsing and sending WhatsApp messages.

Scenario 2: The Ferry Trap You board the Blue Star Ferry at Piraeus port. You leave your phone in your pocket with data roaming turned on. An hour into the trip, you lose the Greek land network. Your phone automatically searches for the strongest signal and connects to the ship's satellite network. Background apps refresh. Your email syncs. Your phone downloads a software update. You consume 20MB of data in five minutes without even looking at the screen. At €15 per MB, your bill just increased by €300.

These massive bills are common outside Europe. You expect high fees when you look at roaming charges in Dubai or roaming costs in Canada. You do not expect them on a short ferry ride in the Mediterranean.

To prevent this, you must turn off data roaming in your device settings the moment you step on a boat. But then you have no internet. A GoMoWorld eSIM solves this. You buy a data plan specifically for Greece. It connects only to partner land networks. If you lose the land signal on a ferry, the GoMoWorld eSIM simply loses service. It physically cannot connect to the €15/MB satellite network. You face zero risk of overage charges.

Comparison Table: Carriers vs GoMoWorld in Greece

Comparing your options requires looking at data limits, hidden risks, and overall convenience.

When you travel outside the EU, the contrast is even sharper. Look at roaming costs in Argentina—carriers charge massive daily fees. In Greece, the base price is free, but the GoMoWorld eSIM acts as an affordable insurance policy against data caps and satellite traps.

You pay exactly €10.99 for 15GB of Greek data. You use it as a hotspot to connect your laptop, tablet, or your family's devices. Hotspot functionality is included on all GoMoWorld plans.

Alternatives to Roaming in Greece

If your home plan lacks sufficient EU data, you have two main alternatives to stay connected in Greece.

1. Buy a Local Greek SIM Card You land at Athens International Airport. You find a Cosmote or Vodafone kiosk. You wait in line. You hand over your physical passport for registration. You pay €15 to €25 for a tourist prepaid plan. You remove your French SIM card and insert the Greek SIM. You now have local data. But you just lost your French phone number. Your bank cannot send you SMS verification codes. Your family cannot call you in an emergency. You also have to keep track of a tiny piece of plastic for your entire trip.

2. Download a GoMoWorld eSIM You bypass the airport kiosks entirely. You download the GoMoWorld app on your iPhone or Android device before you leave home. You select Greece. You choose the 15GB plan for €10.99.

Installation happens 100% via the app. There is no QR code to scan. You do not need a second device to display a barcode. The app configures the eSIM on your phone directly.

GoMoWorld plans never expire until you activate them. You can buy your Greek data plan in Paris three months before your trip. The 30-day clock only starts when you open the app in Athens and manually tap "Start". There is no auto-activation. You control exactly when your plan begins.

Because GoMoWorld is a data-only service, it does not include calls or SMS. This is a feature, not a bug. You keep your home SIM active for incoming calls and texts (which are free to receive in the EU). You route all your heavy data usage—maps, streaming, social media—through the GoMoWorld eSIM.

This dual-network strategy works everywhere. Whether you are avoiding data caps in Europe or bypassing massive daily fees like those seen with roaming charges in Brazil, an eSIM gives you total control.

When your 15GB runs out, the data simply stops. No overage fees. No surprise bills. You just open the app and buy another plan if you need more. Get your Greece eSIM today →

FAQ

Which countries are included with a French roaming plan?

Most French carriers include all European Union countries, the French Overseas Departments (DOM), and a few specific territories like Iceland, Norway, and Liechtenstein in their standard roaming zones. Greece is fully included, meaning standard usage draws from your EU data allowance.

When to call 1099?

Dial 1099 to reach your French carrier's commercial service from France. If you are already in Greece and need to adjust your plan or buy travel add-ons, you must use your carrier's app or website, as shortcodes often fail on foreign networks.

How to call 963 from abroad?

The 963 shortcode is used to report a lost or stolen phone to your French carrier. From Greece, the shortcode will not work. You must dial the full international number: +33 6 1000 1963. Keep in mind that calling this number from a non-EU zone incurs heavy charges.

How to get internet in Greece with a French low-cost plan?

Low-cost French plans operate under the same EU roaming rules as the main carrier brands. Your plan includes a specific data allowance for the EU. Check your carrier app to see your exact limit. If you need more data, install a GoMoWorld eSIM to get 15GB for €10.99 instantly.