Best eSIM for Greece in 2026: Why I use Sim Local

Looking for the best eSIM for Greece in 2026? In this guide I compare the latest eSIM plans, prices, data speeds and network coverage so you can pick the right one for your trip.

I have traveled to Greece multiple times, from exploring Athens to island hopping across around the Greek islands. One of my favorite places is Lesbos island, but I also visited places like Santorini and visited Meteora. Whether you are on a ferry between islands or road tripping inland, having reliable data makes travel in Greece a lot easier.

For my next trip to Greece, I would personally choose Sim Local because after comparing all available eSIM providers, it comes out as the best eSIM for Greece in 2026.

As a full-time travel blogger who visited more than 160 countries and tests SIM cards and eSIMs almost every week, I know exactly what works and what doesn’t. In Greece especially, the mobile network you are connected to matters more than the eSIM brand itself.

Before jumping into the best eSIMs, if you want to compare local options check my guides for buying a SIM card at Athens Airport and the best prepaid SIM card for tourists in Greece.

Last update: July 2026.

This article contains affiliate links. If you purchase through these links, I may earn a small commission at no extra cost to you. All recommendations are based on independent research and personal experience.

Comparison of 10 GB eSIM plans for Greece

To make it easy to compare the best eSIMs for Greece I selected comparable 10 GB data plans with a 30 days validity from each provider. Below you can clearly see which eSIM offers the best value based on price and network coverage.

Comparison of 20 GB eSIM plans for Greece

For most travelers a 20 GB data plan is the sweet spot when visiting Greece. Below I compared the best value 20 GB eSIM plans with a standard 30-day validity so you can easily see which provider offers the best combination of price and network coverage.

 

👉 Based on the comparison above, the Sim Local eSIM for Greece offers the best balance of price and network coverage.

How much mobile data do you need when traveling in Greece?

How much data you need in Greece really depends on your travel style, but for most travelers the choice comes down to 10 GB vs 20 GB.

For normal usage like Google Maps, browsing, messaging and booking ferries or accommodations, a 10 GB plan is usually enough for a short trip. But once you start using Instagram, TikTok or uploading photos and videos, your data usage increases quickly.

When I travel in Greece I use my phone constantly, especially when island hopping or on long ferry rides where WiFi is unreliable. Think about checking routes, uploading content on social media, staying in touch and planning your next stop.

As a full-time travel content creator I personally use around 3 GB to 5 GB per day. That means even a 20 GB plan can run out fast sometimes, depending on the length of the trip. If you are actively posting, editing and uploading content while traveling and you are staying longer than 10 days think about a 30 GB plan or bigger.

Unlimited data eSIMs can sound appealing, but in reality most of them come with a daily Fair Use Policy. After a certain amount of high-speed data, your speed is reduced, which makes them less useful than they seem on paper.

For most travelers visiting Greece I recommend a 20 GB eSIM plan as the best balance between price and usability. Only heavy users, remote workers or content creators should consider an unlimited plan.

Why Sim Local is the best eSIM for Greece in 2026

After comparing all available eSIM providers for Greece, Sim Local is my top recommendation for most travelers. It offers the best combination of price, coverage and reliability, which is exactly what you need when traveling around Greece.

Greece is not a country where you only look at the cheapest eSIM plan. The mobile network you connect to matters a lot, especially if you are island hopping, taking ferries, road tripping inland or visiting more remote places beyond Athens and Thessaloniki.

The big advantage of the Sim Local eSIM for Greece is that it connects to Cosmote, Vodafone and Nova. That means your phone can connect to the strongest available network depending on where you are in Greece.

Based on my experience and research, Vodafone and Cosmote are the best mobile networks in Greece. Both perform very well across the country, including the Greek islands. Nova is the weakest network and can be less reliable once you leave the big cities. That is exactly why Sim Local stands out: you are not locked into just one weaker network.

Sim Local also wins on price. Their 10 GB eSIM for Greece costs around ~$12 USD for 30 days, making it one of the cheapest 10 GB options in this comparison. Their 20 GB eSIM for Greece costs around ~$20 USD, which is excellent value for travelers who use more data for navigation, social media, ferry bookings and uploading photos or videos.

Check all Sim Local eSIM plans for Greece

💡 Traveltomtom discount: Use coupon code TRAVELTOMTOM at checkout and get 15% discount on all Sim Local eSIMs.

Why Sim Local is the best overall eSIM for Greece:

• Access to all 3 local networks: Cosmote, Vodafone and Nova.
• Best coverage flexibility: ideal for island hopping, ferries, road trips and remote areas.
• Strongest network setup: access to both Vodafone and Cosmote, the two best networks in Greece.
• Best value 10 GB plan: around ~$12 USD for 30 days.
• Great value 20 GB plan: around ~$20 USD for 30 days, perfect for most travelers.
• Better all-round choice than data-only eSIMs that rely on just one weaker network.

That said, Sim Local is not the best option for every single situation. If you specifically want an unlimited data eSIM for Greece, then Saily is the better choice because of its 5 GB/day high-speed allowance. If Greece is part of a bigger Europe trip and you want EU roaming, calls and SMS, then SimOptions is a better fit.

But for most travelers visiting Greece, especially if you want the best balance between price, network coverage and reliability, the Sim Local eSIM for Greece is the best overall choice in 2026.

Best unlimited data eSIM for Greece

If you are a heavy data user, remote worker or content creator, then an unlimited data eSIM for Greece can be tempting. However, it is important to understand that most unlimited eSIM plans are not truly unlimited at full speed.

Most providers apply a Fair Use Policy, also known as FUP. This means you get a certain amount of high-speed data per day, and after that your speed can be reduced significantly. In practice, many unlimited eSIMs behave more like a daily capped data plan.

Based on my Greece eSIM comparison, the Saily unlimited eSIM for Greece is the best unlimited data option. The reason is simple: Saily offers a 5 GB per day high-speed data allowance, which is better than most other unlimited eSIM providers in this comparison.

This makes Saily the best choice if you use a lot of data every day for things like Google Maps, uploading videos, working online, social media, streaming or booking ferries and hotels while traveling around Greece.

Examples of the Saily unlimited data eSIMs for Greece:

• 10 days unlimited data = ~$35 USD
• 15 days unlimited data = ~$49 USD
• 20 days unlimited data = ~$60 USD

Check all Saily eSIM plans for Greece

Why Saily is the best unlimited data eSIM for Greece:

• 5 GB/day high-speed data allowance, one of the best FUP limits in this comparison.
• Best unlimited option for heavy users who need consistent daily data.
• Good choice for remote workers and content creators traveling around Greece.
• Better unlimited data conditions than providers with only 2 GB or 3 GB per day high-speed limits.
• Simple eSIM setup before traveling to Greece.

That said, Saily is not my top recommendation for normal fixed data plans in Greece. For 10 GB or 20 GB plans, Sim Local is still the better overall choice because it offers better value and connects to Cosmote, Vodafone and Nova.

Also keep in mind that Holafly also sells unlimited eSIMs for Greece, but these plans are more expensive and Holafly's Fair Use Policy is not clearly specified. That makes it harder to compare and less predictable for heavy data users.

So my advice is simple: if you want the best overall eSIM for Greece, choose Sim Local. If you specifically want an unlimited data eSIM for Greece, then Saily is the best option in this comparison.

Other recommended eSIM providers for Greece

Although Sim Local is my top recommendation for most travelers, there are a few other eSIM providers for Greece that can be worth considering depending on your travel style, data usage and whether Greece is part of a bigger Europe trip.

Some providers are better for unlimited data, some offer strong value for larger data bundles and others are more useful if you need EU roaming, calls or SMS while traveling around Europe.

Jetpac

Jetpac stands out for big data bundles. If you need a lot of data, this is one of the best value providers with strong pricing on 30 GB and higher plans for Greece.

Jetpac uses Vodafone and Nova, which gives good coverage in most places, although not as strong as providers using all networks.

Their unlimited data plans for Greece have an FUP of 3 GB/day limit. They are not the main reason to choose Jetpac.

👉 View all Jetpac eSIM deals 🚀

Use code TOMTOM10 for 10% discount for new users.

SimOptions

SimOptions is different from other providers as it offers Europe-wide eSIMs instead of Greece-only plans. Many of their eSIMs include EU roaming, calls and SMS, which makes them ideal if you are traveling beyond Greece.

Pricing is reasonable, especially for larger data plans, but if you are only visiting Greece there are better value options available.

👉 Browse SimOptions eSIMs ✈️

Use code TOM10 for 10% discount in the SimOptions app only.

If you are planning to visit multiple countries, check my guides for the best Europe SIM cards or the best eSIMs for Europe.

Nomad

Nomad offers solid value fixed data plans for Greece and is one of the cheaper providers for mid-range data packages. Their pricing is competitive, especially for 10 GB and 20 GB plans.

However, Nomad uses Vodafone and Nova, meaning you don’t get access to Cosmote, which can affect coverage in more remote areas. Their unlimited plans are limited with a 2 GB/day cap which is significantly less than other providers.

👉 View all Nomad eSIM plans 💳

Airalo

Airalo is one of the most popular eSIM providers globally and offers a wide range of plans with flexible data options. Pricing is generally competitive, especially for smaller data bundles.

However, in Greece Airalo only uses the Nova network, which is the weakest network in the country. That makes it less suitable for island hopping or traveling outside major cities.

👉 Check out the Airalo eSIMs for Greece 🌍

🎁 Exclusive Airalo discount for Traveltomtom readers: get 20% off with coupon code TT20. Valid until mid July 2026 and only for first-time Airalo users.

Holafly

Holafly focuses purely on unlimited data eSIMs, making it a simple option if you don’t want to think about data usage.

However, it is one of the more expensive providers and does not clearly disclose its Fair Use Policy. In practice this means speeds can be reduced after heavy usage, making it less predictable than other options.

👉 View the Holafly unlimited eSIM 📡

Use code TRAVELTOMTOM for 5% discount on all Holafly eSIMs.

Mobile network coverage in Greece

Mobile network coverage in Greece is generally very good, but there are clear differences between providers, especially when you start traveling outside the big cities or go island hopping around the Greek islands.

Based on my own experience traveling across Greece multiple times, including visiting islands like Lesbos, exploring Santorini and road tripping inland to Meteora, the choice of network makes a real difference.

Vodafone Greece

Vodafone has one of the strongest and most consistent networks in Greece, especially when it comes to rural areas and island coverage. From my experience, Vodafone performs very well when traveling between destinations and on more remote islands.

During long travel days, like ferry rides between islands or road trips inland towards Meteora, Vodafone often provided a more stable connection compared to other networks.

Cosmote Greece

Cosmote is often considered the fastest network in Greece and performs extremely well in cities like Athens and Thessaloniki. It also has excellent coverage across most tourist destinations.

In practice, Cosmote and Vodafone are very close in performance, but Cosmote tends to have a slight edge in speed, while Vodafone feels a bit more reliable in remote areas.

Nova (formerly Wind)

Nova is the weakest network in Greece and this becomes noticeable as soon as you leave major cities. While it works fine in urban areas, coverage can drop significantly on smaller islands or in rural regions.

This is important when choosing the best eSIM for Greece, as some providers (Airalo) rely only on the Nova network, which can limit your connectivity when traveling around Greece.

Best network for traveling in Greece

If you want the best overall experience when traveling around Greece, especially when island hopping the beautiful Greek islands or exploring inland mountainous regions, it is best to use an eSIM that connects to Vodafone or Cosmote.

Even better is choosing an eSIM that can access multiple networks, like the Smartroam eSIM from Sim Local so your phone automatically connects to the strongest signal available wherever you are.

eSIM vs prepaid SIM card in Greece

When traveling to Greece you can choose between buying an eSIM online or getting a local prepaid SIM card. Both options have their pros and cons depending on your travel style.

If you land in Athens and want a SIM card right away, you can buy one at the airport. However, SIM cards at Athens Airport are significantly more expensive than eSIMs or SIM cards in the city. I explain this in detail in my guide on buying a SIM card at Athens Airport.

Once you get into the city, prices change completely. In central Athens you can find local street vendors and small mobile shops offering very competitive deals, sometimes even large data bundles or unlimited data for around €15 EUR.

These deals are usually cheaper than eSIMs, but they come with a trade-off. The vendors are often pop-up stands or roam around independently and they can be hard to find, especially if you don’t know where to look.

If you are the kind of traveler who likes to hunt for the best deal and save every penny, then buying a local SIM card in Athens city can definitely be worth it. You can read more about the options in my guide for the best prepaid SIM cards for tourists in Greece.

For most travelers though, an eSIM is simply much more convenient. You install it before your trip, you are connected instantly when you land and you don’t have to spend time searching for stores or dealing with registration.

Is eSIM the best option for visiting Greece?

For most tourists visiting Greece, the answer is yes, an eSIM is the best option.

It is simply the most convenient way to stay connected. You install it before your trip, land in Greece and you are instantly online. No searching for shops, no waiting in line and no dealing with registration.

That said, if you are willing to put in a bit more effort, you can find cheaper local SIM card deals in Athens city, especially from small vendors offering large data bundles for a low price.

But for the majority of travelers, especially if you are island hopping, taking ferries or moving around the country, the flexibility and ease of use of an eSIM makes it the better choice.

If you want the best combination of price and connectivity, I recommend choosing an eSIM that connects to multiple networks, so you always have the strongest signal available wherever you travel in Greece.

My advice is simple: if you want the most reliable all-round option, go for the Smartroam eSIM from Sim Local. If you want an eSIM for Greece including calls, SMS and EU data roaming then SimOptions is the better choice.

FAQ about eSIM cards for Greece

What is the best eSIM for Greece?

The best eSIM for Greece is Sim Local because it offers the best balance between price and coverage. It connects to Cosmote, Vodafone and Nova, meaning you always get the strongest available signal across cities, islands and rural areas.

Which network is best in Greece?

The best mobile networks in Greece are Vodafone and Cosmote. Both offer strong coverage across the country, including the Greek islands. Nova is the weakest network and is less reliable outside major cities.

Is eSIM better than a SIM card in Greece?

For most travelers an eSIM is the better option because of its convenience. You can install it before your trip and be connected instantly when you land. Local SIM cards can be cheaper, especially in Athens city, but require time to find the best deals. Compare local options in my article about the best prepaid SIM cards for Greece.

Can I get unlimited data in Greece?

Yes, several providers offer unlimited data eSIMs for Greece. However, most unlimited plans have a Fair Use Policy (FUP), meaning speeds may be reduced after heavy usage. Saily offers one of the better unlimited data options with an FUP of 5 GB high speed data per day.

How much data do I need for Greece?

For most travelers 10 GB to 20 GB is enough for a trip to Greece. If you use social media a lot or upload content regularly, you may need more data. As a full-time content creator I personally use around 3 GB to 5 GB per day.

Do eSIMs work on Greek islands?

Yes, eSIMs work on all major Greek islands including Santorini, Mykonos and Lesbos. Coverage depends on the network used, so it is best to choose an eSIM that connects to Vodafone or Cosmote for the most reliable performance.

Can I use my eSIM across Europe?

Most Greece eSIMs are country-specific, but some providers like SimOptions offer Europe-wide eSIMs with EU roaming included. These are ideal if you plan to travel to multiple countries during your trip.

Final thoughts on the best eSIM for Greece

After traveling across Greece multiple times, from island hopping in places like Lesbos to visiting iconic destinations like Santorini and exploring inland highlights like Meteora, I can confidently say that staying connected makes your trip a lot smoother.

Whether it is booking ferries, navigating narrow streets in Athens or sharing your travel moments online, having reliable mobile data is essential when traveling around Greece.

If you want the easiest and most reliable solution, I recommend using an Sim Local eSIM for Greece. It offers the best balance between price and coverage by using multiple networks, which is especially useful when traveling between islands and more remote regions.

Planning your trip and still figuring out connectivity options? Then also check out my detailed guides on buying a SIM card at Athens Airport and the best prepaid SIM cards for tourists in Greece.

If you are planning to explore more of Greece, I highly recommend reading my Lesbos island travel guide as well as my hotel reviews like White Side Suites in Santorini, Remezzo Santorini in Imerovigli, Theatro Hotel Odysseon in Meteora and Athenian Residences in Athens.

For most travelers, especially if you value convenience and want to be connected instantly, an eSIM is simply the best option for traveling in Greece.

For more Greece travel tips and inspiration check out my Instagram @traveltomtom and follow along with adventures from around the world.

Enjoy your trip to Greece!

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