Unlimited Data E-Sim Greece

Which Unlimited SIM Plan for Greece ? (Holafly Promo Code)

Internet & Communication VanTour Team 10 min
5% off your unlimited SIM card in Greece

At the end of this article, you will find a special code that will allow you to save 5% immediately on your eSIM for your trip to Greece. These virtual SIM cards will either give you unlimited internet or offer a very good balance of ease of use / data allowance / price.

But that’s after you’ve seen all the solutions available to you for getting internet in Greece

Introduction

Are you planning a trip to Greece? Great choice. Between the island beaches, ancient ruins, and lively tavernas, you’re in for a treat.

But there’s one point we tend to underestimate… it’s the internet connection. And yet, whether it’s to keep in touch, use GPS, or share your moments, it quickly becomes essential.

We tell you this because we’ve been there. We took a long trip to Greece, and clearly, we didn’t anticipate as we should have. The result: hassles, bad surprises… and a few pounds that disappeared a bit too quickly.

So, the idea here is simple: to help you avoid making the same mistakes we did (because yes, we would have loved to come across this kind of article before leaving).

We will look together at the best solutions for getting internet in Greece, without headaches and without blowing your budget.

Our video on mobile plans while traveling

How to find the ideal unlimited SIM card for your trip to Greece?

If Greece is on your list, this country with breathtaking landscapes, vibrant culture and unforgettable sights, then get ready for an extraordinary journey. But before you get lost in the bustle of Athens or marvel at the views of Cyclades, one essential question arises: how to stay connected in Greece?

No panic, we’re here to guide you through the maze of mobile options.

Three alternatives emerge to ensure your connectivity in Greece:

Roaming

Use your UK plan abroad thanks to roaming agreements

Local SIM card

Buy a local SIM card to benefit from local rates

eSIM

Activate an eSIM before your departure, without changing your physical card

Advantages and disadvantages of SIM cards for Greece

Comparison of internet solutions while traveling
International plan Local SIM card eSIM
Cost High Low Moderate
Purchase Online (operator option) On-site, in-store Online, before departure
SIM card change No Yes No
Ease of use Easy Restrictive Easy
Support in English Yes Rarely Yes
Unlimited data No (limited) Yes Yes (depending on offer)
Keep your UK number Yes No (replaced) Yes (dual SIM)
Flexible stay durations No (monthly) Variable (commitment possible) Yes (1 to 90 days)
Top up the plan Operator customer area In-store Via the app
Risk of extra charges Yes Prepaid: no. Other: yes No

Solution 1: Using your UK mobile plan in Greece

Most UK travellers naturally start here: can I just keep my normal mobile plan in Greece?

The good news is that Greece sits in the EU roaming zone for the four big UK networks, which means you usually get to use part of your monthly UK allowance — calls, texts and data — without extra charges, up to a fair usage cap.

The not-so-good news: fair usage caps and daily pass fees can still bite if you stay several weeks, run a hotspot for work, or stream a lot of video. So before you land in Thessaloniki or Mykonos, it’s worth knowing exactly what your network includes — and where the shortcode comparison below comes in.

UK operator roaming in Greece

Here’s what each of the four major UK operators offers for Greece:

EE places Greece in Zone 1 (Europe). Most modern Smart, Essential and Full Works plans include EU roaming, while older plans use the Roam Abroad Pass (around £2.47 per day) to unlock up to 50 GB of your UK allowance.

Three UK covers Greece via Go Roam in Europe: roaming included at no extra cost on most plans, with a 12 GB fair usage limit on Pay As You Go and Advanced plans.

Vodafone UK puts Greece in its Zone B (Europe). Newer Xtra plans include it for free, while older plans charge a daily fee of around £2 per day with a 25 GB cap before throttling kicks in.

O2 includes Greece in its Europe Zone, with most plans giving you your full UK allowance up to 25 GB before extra charges of around £3.50 per GB.

Greece: does my plan work there?

Plan Data Duration Price Network 🇬🇷 Greece
EU Roaming 7-Day Pass Recommended 50 GB 7 days €17.90 4G ✓ Yes
Zone 1 Weekly Pass Recommended 50 GB 7 days €29.85 4G ✗ No
EU Roaming Daily Pass 50 GB 1 day €3.10 4G ✓ Yes
Zone 1 Daily Pass 50 GB 1 day €5.97 4G ✗ No
Zone 2 Daily Pass 50 GB 1 day €8.96 4G ✗ No
Zone 3 Daily Pass 512 MB 1 day €8.96 4G ✗ No
Zone 4 Daily Pass 10 MB 1 day €17.92 4G ✗ No
EU Roaming 12-Day Pass 50 GB 12 days €25.70 4G ✓ Yes
Zone 2 Weekly Pass 50 GB 7 days €44.78 4G ✗ No
Plan Data Duration Price Network 🇬🇷 Greece
Go Roam in Europe Recommended 12 GB 1 day €3.29 4G ✓ Yes
Go Roam Around the World 12 GB 1 day €9.56 4G ✗ No
Go Roam Around the World Extra 12 GB 1 day €9.56 4G ✗ No
Plan Data Duration Price Network 🇬🇷 Greece
8-Day Europe Pass Recommended 25 GB 8 days €19.12 4G ✓ Yes
Euro Roam Daily 25 GB 1 day €3.29 4G ✓ Yes
Global Roam Daily (Zone C) 25 GB 1 day €9.56 4G ✗ No
Global Roam Daily (Zone D) 25 GB 1 day €9.56 4G ✗ No
15-Day Europe Pass 25 GB 15 days €25.10 4G ✓ Yes
Plan Data Duration Price Network 🇬🇷 Greece
Europe Zone (included) Recommended 25 GB 30 days €0.00 4G ✓ Yes
Data Roaming Bolt-On Zone 1 (1 GB) 1 GB 30 days €7.17 4G ✗ No
O2 Travel Bolt On Unlimited 1 day €8.37 4G ✗ No
Data Roaming Bolt-On Zone 2 (1 GB) 1 GB 30 days €10.76 4G ✗ No

Last verified: 18 May 2026

What does 1 GB of data correspond to?

Are you wondering what you can do with 1 GB of data? Here are some concrete examples:

  • Listening to music on Spotify for 1 hour every day will last you 20 days.
  • Watching an HD video (1080p quality) for 30 minutes.
  • Binge-watching 4K videos for 10 minutes.
  • Video chatting for 4 hours on WhatsApp, or having fun on Insta and TikTok.

If you want to avoid unexpected charges, we have created a tool to calculate your roaming charges abroad. Feel free to try it out to see how quickly you use up your data!

Advantages:

For most UK travellers heading to Greece, this is the easiest option by far. You don’t need to buy anything, swap a SIM, or set up an eSIM — you just land and your phone works.

If your plan is on EE, Three, Vodafone or O2 and includes Greece in its EU roaming zone, you can use your UK calls, texts and data normally up to the fair usage cap. For a one or two-week holiday with moderate usage, that’s usually plenty.

You also keep your UK number live the whole time, which is handy if you’re expecting calls from work, family, or for two-factor authentication codes.

Disadvantages:

While roaming on your UK plan in Greece is very practical thanks to EU agreements, there are still a few downsides:

  • Keep an Eye on Your Data: Be mindful of your data consumption, particularly with background apps. They can consume your allowance faster than you can enjoy an ouzo.
  • Fair Usage Caps: Depending on your operator, your plan might feel a bit limiting. For instance, the 25 GB cap on Vodafone and O2 may be tight for heavy data users, whereas EE’s offer of up to 50 GB is quite generous for extended trips.
  • Older plans, older rules: If you signed up before 2021, you may be on a plan that still charges a daily roaming fee (£2 to £2.50 per day). Worth checking in your operator’s app before you go.
  • Internet Access: While it’s part of the package, your connection can be unpredictable depending on where you are. This isn’t ideal for live streaming from Mykonos!

Solution 2: Local SIM card in Greece

The second option is to get a local SIM card once you’re there. By choosing this route, you avoid roaming fees and enjoy local rates for mobile internet, which can make a real difference for longer stays.

In practice, you can find a card quite easily, whether at an airport, a telecom store, or in local sales points (and that’s part of the experience).

Which local mobile operator for a stay in Greece?

In Greece, the main mobile operators are Cosmote, Vodafone Greece, and Nova (formerly Wind), alongside MVNOs like Q Telecom. The idea is to compare the network coverage and mobile data allowance based on your route, and to check the validity period of the SIM card before you buy.

Once you’ve bought your local SIM card, simply insert it into your phone and follow the activation instructions. And just like that, you’re ready to explore Greece while staying connected like a local.

Greece: local SIM cards available for your stay

Cosmote

Local SIM 4.6

The incumbent and undisputed market leader in Greece. Offers the best 4G/5G coverage, which is crucial for Island Hopping or remote areas. More expensive but more reliable.

Cosmote DIY Pack
10 GB 30 days Calls SMS 4G,5G
€12.00 (12 EUR)
Buy: Stores Cosmote, Germanos, Airport ATH

Nova (ex-Wind)

Local SIM 3.8

Operator formed from the Wind/Nova merger. Often the most aggressive rates via its prepaid brand 'Free2Go'. Decent coverage in cities, sometimes weaker in isolated spots.

Vodafone Greece

Local SIM 4.3

Solid number 2. Strong tourist presence with clear offers. Good coverage on the mainland and major islands.

Vodafone Giga WiFi on the spot
40 GB 30 days 4G,5G
€9.90 (10 EUR)
Buy: Stores Vodafone
Carrier Plan Data Duration Price Network Buy
Cosmote
Cosmote Prepaid Giga Week Unlimited Reco Unlimited 7 days €6.50
(7 EUR)
4G,5G Stores Cosmote, Germanos, A...
Vodafone Greece
Vodafone Giga WiFi on the spot 40 GB 30 days €9.90
(10 EUR)
4G,5G Stores Vodafone
Cosmote
Cosmote DIY Pack 10 GB 30 days €12.00
(12 EUR)
4G,5G Stores Cosmote, Germanos, A...
Nova (ex-Wind)
Free2Go Tourist Unlimited Reco Unlimited 30 days €20.00
(20 EUR)
4G,5G Stores Nova/Wind, Newsstands
Vodafone Greece
Vodafone International Tourist Reco Unlimited 15 days €25.00
(25 EUR)
4G,5G Airport ATH, Stores Vodafone

Last verified: 18 May 2026

Advantages:

For longer stays or heavy data users, a local Greek SIM card is often the most cost-effective option. Local tourist plans typically give you far more data per pound than UK roaming caps allow.

You also get full local rates for calls and texts inside Greece, which is useful if you’re booking accommodation, calling restaurants, or arranging activities on the ground.

Disadvantages:

Language Barrier and Technical Complexities

When purchasing, setting up, or even troubleshooting, you might feel lost with technical jargon, unless the shop’s English is up to it.

Device Incompatibility

First and foremost, make sure that your smartphone or 4G modem is unlocked and compatible with local frequencies. Also, pay attention to the SIM card size, which can vary and may not fit your phone.

Risks and Downsides

  • Loss of Your UK Number: By replacing your SIM, you risk temporarily losing your regular number, which can be inconvenient if you’re expecting important calls or 2FA codes.
  • Frequent SIM Changes: If your travels take you on to a neighbouring island, you might need to change SIM cards more than you’d like.
  • Documentation requirements: Some Greek operators ask for ID, a local address, or a minimum subscription duration — worth checking before you go.

The solutions mentioned above focus on physical SIM cards. If you want to know what type of equipment to use while traveling in a van or camper, or during a road trip in Greece, check out our article on the different modems to stay connected wherever you are on a road trip.

If you’re curious about how much data you might use during your trip, try our data calculator for abroad. It will help you plan your data consumption based on your planned activities.

For more tips on saving data abroad, see our article on how to reduce data consumption abroad.

Solution 3: Holafly eSIM for Greece

For us, there is a third solution: the Holafly eSIM for Greece. And here, we are clearly on the simplest option if you don’t want to hassle.

No store, no paperwork, no complicated handling. You activate your eSIM, and you’re connected.

In practice, it allows you to stay connected easily everywhere in Greece: receive booking confirmations from your hotel in Athens, book a restaurant on your favorite app, or organise your visits without ever worrying about your connection (and that, while traveling, is a real comfort).

What is an eSIM?

An eSIM is simply a SIM card integrated directly into the phone. No need for a physical card, everything is done online in a few minutes.

And on top of that, you can have multiple eSIM profiles on your smartphone, which allows you to keep your UK number active while using local internet in Greece. So you don’t miss a call or a 2FA code from home.

Advantages:

The main advantage here is clearly peace of mind before departure. You download your eSIM calmly at home, either via the app or directly by email.

As a result: you arrive in Greece already ready to be connected. You can even activate your line just before boarding the plane or upon exiting the airport (and that makes all the difference when arriving in a country you don’t know).

Then, everything is much simpler: no paperwork, no store, no unpleasant surprises. You enjoy an immediate internet connection without constraints, whether in Thessaloniki, Mykonos, or elsewhere.

And on top of that, you keep your UK number active in parallel, while using the internet locally. In short, it’s a quick, efficient solution, and above all, hassle-free.

Disadvantages:

The main point to keep in mind is that the price can be higher than a local SIM card, especially if you stay a long time in Greece.

Depending on the offers, you may also have plans with limited data. So if you consume a lot of internet, you need to check carefully beforehand.

Finally, one last important point: not all smartphones are eSIM compatible. Be sure to check your device before choosing this solution.

Promo code for Holafly Greece plan

Good news for those who wish to visit Greece: we offer you a promo code for your Holafly eSIM card for Greece. When you make your purchase, just enter the promo code LAPLANETEDECARO, and you will benefit from an immediate 5% discount.

Conclusion

So, what is the best unlimited SIM card for a trip to Greece? The answer is not as simple as a plate of moussaka. Each option has its advantages and disadvantages, and what might be ideal for one type of traveller could be a failure for another.

That’s why this guide exists. Depending on your own situation — whether you’re a digital nomad, a vacationer, or an adventurer — there are pros and cons to consider for each technology.