A Greece itinerary can have several arrival days: Athens airport, the port, then another island and accommodation address. I would choose an eSIM around those moments, my data needs and any laptop sharing. The cheapest welcome offer rarely answers all three questions.
Jetpac is my first pick for larger allowances at its current sale prices, with Nomad eSIM the alternative for 20GB or 50GB. Holafly, Saily, Ubigi and Airalo suit other usage preferences. None should be bought on the assumption that a Greece package keeps a ferry connected across open water.
Greece eSIM quick picks
1. Jetpac: larger allowances for an Athens and islands itinerary, with a useful eligible-app benefit on qualifying packs.
2. Nomad eSIM: a clear alternative for 20GB or 50GB and a familiar app.
3. Holafly: unlimited phone data for a chosen number of days, subject to fair use and a separate hotspot allowance.
4. Saily: unlimited with a published daily high-speed allowance and app security features.
5. Ubigi: fixed data and a reusable eSIM for future trips.
6. Airalo: a choice of local packages with app-based plan management.
Already have EU roaming? Check your existing allowance for Greece first. If it comfortably covers the trip, you may not need to buy another eSIM.
The carrier behind your Greece eSIM
Greece’s main mobile networks are Telekom, formerly Cosmote, Vodafone Greece and Nova, formerly Wind. Providers may use the older names. Wind and Nova are not two networks, and multiple-network marketing does not mean every package accesses every operator.
Telekom confirms its September 2026 rebrand from COSMOTE TELEKOM. Look for both names, then check the operators and network generation on your specific package.
| Network name | What to recognize | How to use the information |
|---|---|---|
| Telekom | Previously Cosmote and COSMOTE TELEKOM | Check whether the selected eSIM actually lists access. |
| Vodafone Greece | May appear as Vodafone GR | Check the exact package and supported network generation. |
| Nova | Some providers still say Wind or Wind Hellas | Treat the older name as an alias, not an additional network. |
For onward travel, the separate Croatia and Italy guides cover the choices for those destinations. Do not assume a Greece-only package includes either country.
Greece eSIM prices: compare the whole trip
Compare the whole package and validity, not just an introductory offer. Jetpac prices marked sale are temporary. Coupons remain separate because eligibility and promotional exclusions can vary.
| Provider | Useful fixed-data examples | Validity and decision detail |
|---|---|---|
| Jetpac | 10GB US$16; 30GB US$24.99; 40GB US$29.99 | 30 days. These three prices are sale offers. 20GB is currently US$36, so compare the promotion before choosing that tier. |
| Nomad eSIM | 10GB US$18; 20GB US$21; 50GB US$31 | 30 days. Vodafone and Nova listed; 4G/5G where available. |
| Holafly | Duration-based unlimited packages | Compare the separate unlimited table and hotspot terms. |
| Saily | 5GB US$13.99; 10GB US$22.99; 20GB US$35.99 | 30 days. Exact Greek partner operators are not individually disclosed. |
| Ubigi | 10GB US$12; 25GB US$22; 50GB US$32 | 30 days. A separate 10GB package costs US$10 for 7 days. Nova 4G/5G listed. |
| Airalo | 5GB US$12; 10GB US$20; 20GB US$35.50; 50GB US$42 | 30 days. Other durations are separate packages. Nova 5G and Vodafone 4G listed. |
Unlimited plans: the limits still matter
Unlimited plans differ. Compare the high-speed allowance, reduced speed, hotspot limits and activation rules before choosing by duration.
| Provider | 7 days | 30 days | High-speed and sharing conditions |
|---|---|---|---|
| Jetpac | US$25.99 sale | US$65.99 sale | 3GB each 24-hour cycle, then up to 1Mbps. Hotspot uses the same allowance. |
| Nomad eSIM | US$25 | Not listed in checked range | 2GB a day, then 1Mbps. Hotspot allowed. |
| Holafly | US$27.50 | US$76.50 | Fair-use policy applies. Hotspot: 1GB a day. Check travel eligibility. |
| Saily | US$26.99 | US$71.99 | 5GB a day, then 1Mbps. No separate hotspot restriction. |
| Ubigi | US$22 | US$55 | 7 days: 20GB total at full speed; 30 days: 60GB total. Then 2Mbps. |
| Airalo | US$27 | US$69 | 3GB a day, then 1Mbps. Shared data follows the same policy. |
Ubigi’s thresholds are totals for the package, not daily allowances. Jetpac uses a 24-hour cycle; do not assume it resets at local midnight. Check the provider’s current policy for the exact package you select.
The six providers and who I would choose them for
The videos below explain setup and provider apps; they are not tests of coverage in Greece.
Jetpac’s current 30GB package is US$24.99 and 40GB is US$29.99, both for 30 days. That is a strong offer if you upload regularly or need a larger allowance between stays. Still compare the total with the smaller package you actually need.
The Greece-specific appeal is what happens on a travel day if your allowance runs out. Jetpac advertises continued access to selected apps on qualifying packs. That may help when finding your next accommodation or messaging a host, within the published limits.
The Greece plan lists Vodafone and WIND, now Nova. Jetpac’s country-specific support table documents LTE, while generic copy mentions 4G/5G; I would treat 5G in Greece as unconfirmed. Hotspot is allowed and uses the same paid allowance. The unlimited option provides 3GB per 24-hour cycle before speeds fall to up to 1Mbps.
Calling a hotel: Jetpac also sells optional in-app voice packs, with Greece on its supported list. Five minutes cost US$1.99 and are valid for 30 days from purchase. That is a separate purchase, not a Greek phone number or SMS included with the data package. See the official voice service for supported destinations.
Jetpac also includes SmartDelay for eligible flights. Register in the app at least 24 hours before departure, with 48 hours recommended. You can register up to two flights per purchased data pack and one companion. A qualifying airline-reported delay of at least one hour may unlock lounge access, subject to participating lounges, opening hours and capacity. For a Greece itinerary, this is a flight extra, not ferry-delay cover or a guaranteed lounge at an island airport. Check the official SmartDelay rules before travel.
Before leaving for Piraeus, save the ferry booking and your next hotel’s address. Use mobile data to check the route and message the host after arrival. Jetpac’s larger allowances fit that routine; they do not guarantee a signal offshore or make every travel website free.
Why it is first here: the larger-data sale and documented extras suit this itinerary. This is a purchase recommendation based on published terms, not a claim of measured network superiority. A smaller plan may cost less if your use is light.
How to install Jetpac before your Greece trip
Check compatibility and install on Wi-Fi. Unactivated Jetpac packs remain available for three months; the selected validity starts at activation in a covered destination. On arrival, select Jetpac for data and enable its required roaming setting.
Nomad eSIMNomad eSIM’s 20GB costs US$21 and 50GB costs US$31, both for 30 days. Choose 20GB if it is enough; compare 50GB with Jetpac’s current 40GB sale if you need more. Unused gigabytes have little value after expiry. See the official Greece plans.
I’ve used Nomad eSIM in Portugal, as covered in my Nomad eSIM review. Greece network information comes from the current plan details, which list Nova and Vodafone with 4G/5G where available.
Nomad unlimited provides 2GB a day at high speed, then 1Mbps. A fixed allowance may fit better if your usage varies considerably between days.
How to install Nomad eSIM for Greece before you travel
Install on Wi-Fi before departure. Nomad starts the plan on supported-network connection or after 60 days from purchase. Select it for mobile data and follow the required roaming settings on arrival.
Holafly suits travelers who prefer selecting a duration over watching a total balance. My Holafly review covers personal use in Portugal, Turkey and Thailand. For Greece, compare its current duration price with the fixed-data alternatives.
Checked prices include US$27.50 for 7 days, US$37.50 for 10 days and US$51.50 for 15 days. Its Greece page lists Vodafone and Nova. See the official Greece product for your exact dates.
The Greece package includes 1GB of hotspot data per day. That is not an unlimited laptop connection. Phone data remains subject to fair use, without a guaranteed unrestricted high-speed allowance.
Holafly can be convenient for use on one phone. If laptop calls and uploads matter, calculate them against the separate hotspot allowance.
How to install Holafly for Greece
Install on Wi-Fi before departure and check when the days begin. Select Holafly for mobile data on arrival. Track hotspot use separately if sharing.
Saily’s unlimited Greece plan states 5GB per day at high speed, then 1Mbps. That suits regular daily use differently from a fixed total allowance you can spend unevenly.
The checked unlimited prices include US$18.99 for 5 days, US$26.99 for 7 days and US$48.99 for 15 days. Fixed plans include 10GB for US$22.99 and 20GB for US$35.99, each valid for 30 days. Compare them on the official Greece page.
Saily offers virtual location, ad blocking and web protection. It comes from the company behind NordVPN, but these features are not a full NordVPN subscription. See my Saily review and the official virtual-location explanation.
Saily allows hotspot without an extra restriction beyond the plan’s data rules. Its exact Greek partner networks are not individually disclosed; I would not assign them from another review.
How to install Saily for Greece
Install through the app and review its security settings separately. Saily activates at the destination or after 180 days. Select the line for data on arrival.
Ubigi is worth comparing for a defined allowance or if you already use its eSIM. You can keep the profile and buy another eligible package for a future trip. Reuse is convenient, although not exclusive to Ubigi.
The checked 30-day fixed plans include 10GB for US$12, 25GB for US$22 and 50GB for US$32 on Nova. The 7-day unlimited package is US$22, with 20GB total at full speed before 2Mbps; the 30-day option is US$55, with 60GB total before that reduced speed. These are package-wide thresholds, not daily resets. Use the official Greece catalogue to check the selected option.
Check validity carefully: 10GB for seven days and 10GB for thirty days are different purchases. My Ubigi review explains the service in more detail.
Compare a smaller Ubigi package for light use, then check the larger tiers against Jetpac and Nomad. Price and profile reuse do not establish reception at an isolated property.
How to install Ubigi and reuse it after Greece
Set up on Wi-Fi. Ubigi Smartstart activates on destination-network connection; unused plans expire six months after purchase. Keep the profile if you intend to reuse it.
Airalo can suit an existing app user. My Airalo review covers personal use in Portugal; Greece prices and network details come from the current package.
Checked 30-day fixed options include 10GB for US$20, 20GB for US$35.50 and 50GB for US$42. Unlimited costs US$27 for 7 days or US$69 for 30 days, with 3GB per day before 1Mbps. The network panel lists Nova 5G and Vodafone 4G. See the official Greece packages.
Compare Airalo’s 50GB total with other large plans; that size is not unique here. If topping up matters, check that your selected eSIM supports it.
For Italy or Turkey afterward, check the regional product’s coverage list separately. My Turkey guide covers the destination choices.
How to install Airalo for Greece and manage a top-up
Install on Wi-Fi. The checked Greece product has a 365-day activation window and starts on supported-network connection. Confirm available top-ups and the required roaming settings.
When each eSIM makes sense for Greece
Choose Jetpac if its current larger-data sale fits your trip and the qualifying app benefits are useful to you. Think of arrivals and moving between stays, not guaranteed service aboard a ferry.
Choose Nomad eSIM when a 20GB or 50GB fixed allowance is the better fit, especially if you prefer spending data at your own pace rather than working within a daily high-speed allowance.
Choose Holafly for unlimited data on one phone over your chosen travel days, provided its fair-use terms and 1GB daily hotspot allowance fit your plans.
Choose Saily if the 5GB daily high-speed allowance and its app features appeal to you. The daily rule still applies if you share data.
Choose Ubigi if the selected fixed package is enough and you value keeping a reusable profile. Choose Airalo if its current plan and supported top-up options fit the way you already manage travel data.
Island coverage: what to expect ashore and at sea
Reception can vary between a port, hotel room and beach on the same island. Use Visit Greece for destination planning and the provider’s plan details for connectivity.
Santorini, Mykonos, Crete, Rhodes, Corfu, Zakynthos and Kos: these are not interchangeable reception tests. A provider’s destination coverage does not prove service at every property. If you need to work from a particular accommodation, ask about both Wi-Fi and local mobile reception before booking.
Paros, Naxos, Milos, Hydra and Skiathos: prepare for moving between different local conditions. Download the island map, save your arrival address and check coverage for any isolated stay rather than relying on a general island label.
Folegandros, Amorgos, Ikaria and quieter routes: useful preparation includes offline maps and an agreed meeting point. I do not have island-by-island field measurements that justify promising one carrier works everywhere another does not.
Regional airports and the first transfer
For Athens, Heraklion, Corfu, Rhodes, Mykonos or Santorini, install before departure and save the transfer details offline. Connection timing depends on settings, activation and network availability, not simply reaching the terminal.
Practical Greece eSIM travel tips
- Check your home plan first. An adequate EU roaming allowance may already cover Greece. For a UK, US or other plan, read the actual tariff rather than assume a fee or free inclusion.
- Install before the airport. Use a stable connection and read the activation rule. My Europe eSIM activation guide covers the usual setup checks.
- Save the next arrival. Before boarding at Piraeus or Rafina, download tickets, the destination map and the accommodation address. Keep any booking reference visible without logging into a website.
- Size data around your habits. Uploading video and sharing with a laptop change the calculation more than the number of islands. Use your phone’s recent data history as a starting point; no daily estimate fits everyone.
- Prepare for walks and remote roads. For a route such as Samaria Gorge, carry offline navigation and follow current local guidance. A travel eSIM is not a safety guarantee on a trail.
- Keep transport details offline. Save the route to your port or hotel before entering the metro or leaving Wi-Fi. Mobile reception can vary during the journey.
- Check the next country separately. A Europe regional product may be convenient, but compare its price and country list. Turkey and a wider Balkan route require particular attention. See my Balkans guide.
FAQ & AI Overview: Best eSIM for Greece 2026
What is the best eSIM for Greece island hopping?
Which carrier is best for Greek island coverage?
Will an eSIM work on Santorini and Mykonos?
Does a Greece eSIM work on ferries?
Is Nomad’s 20GB package good value?
Which unlimited Greece eSIM should I choose?
Can I use my Greece eSIM in other European countries?
Is Airalo a sensible option for Greece?
What is the cheapest eSIM for Greece?
Do I need a travel eSIM if I already have EU roaming?
Will Jetpac’s app benefit work if I lose signal at sea?
Final verdict: choose the package for the way you travel
For Athens followed by several island stays, I would start with Jetpac’s 30GB and 40GB sale offers. Qualifying app access is a useful extra after allowance exhaustion, but I would still buy enough paid data and save each arrival’s details before sailing.
Nomad eSIM is the close alternative: 20GB if that fits, or 50GB for a longer stay. Check the actual checkout totals, particularly when Jetpac’s promotion changes.
For unlimited phone use, compare Holafly with Saily and read their sharing rules. Ubigi fits some fixed-data budgets; Airalo may suit existing app users. Your EU roaming allowance might already be enough. Choose the option that solves your actual need.
Prepare for the port and the next arrival, but keep the crossing independent of a mobile signal. Saved tickets, offline maps and a known meeting point remain useful with every provider.
Disclosure and verification: Jetpac is a commercial partner of Andre On Digital. Affiliate links may earn a commission at no extra cost to you. Personal use described here is limited to the countries named in the methodology note. Greece recommendations use current published plan information, not a claim of hands-on island testing. Prices, coupons, networks and eligibility can change; confirm the selected package before purchase.
Official context: Telekom’s Greek rebrand announcement and Nova’s merger notice explain the carrier names used in this guide.
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