8 Best eSIM for Greece 2026 (Vodafone & Wind Tested)

You are on a ferry from Athens to Santorini, trying to confirm your hotel booking, and the only wifi on board costs €8 per hour. Meanwhile your home carrier quietly charges €12 per GB in roaming. Greece welcomed nearly 38 million visitors in 2025, a 5.6% rise over the previous year, generating €23.6 billion in tourism revenue.

Nearly all of those travellers needed reliable mobile data across a country split between a mainland and over 200 inhabited islands. The right eSIM for Greece costs less than a single airport coffee and keeps you connected from Thessaloniki to Crete.

I have tested eSIM profiles on Wind, Vodafone, and Cosmote towers from the Athens metro to the clifftops of Meteora. Here are the eight providers that hold signal where it matters.

Side by Side eSIM for Greece Data and Network Breakdown 2026

eSIM Provider	Greek Network Access	Maximum Data Offered
Saily	Local carrier (5G)	Unlimited 5GB/day
MobiMatter	Multi carrier	120GB fixed
iRoamly	Vodafone and Wind	Unlimited daily
Billion Connect	Europe 41 country	3GB/day
GigSky	Local carrier	Unlimited and 50GB
Airalo	Wind Hellas (Nova)	Unlimited 3GB/day
Instabridge	Local carrier	20GB fixed
Amigo eSIM	Auto multi carrier	Fixed plans

1. Saily

Saily delivers an eSIM for Greece with both fixed and unlimited plan structures, starting at $4.49 for 1GB over 7 days. The unlimited tier provides 5GB per day of high speed data before throttling to 1Mbps, which is the highest daily cap among all providers on this list.

A 30 day unlimited plan runs $43.09, making it the right fit for digital nomads spending a month working from Mykonos or Athens co-working spaces. Saily also bundles Greece into broader Europe regional plans from $4.99, ideal for travellers arriving through Rome or Istanbul before heading to the islands.

Why Saily for eSIM for Greece: The 5GB daily high speed cap handles video calls, cloud syncing, and streaming from a Cycladic balcony without breaking down. The Europe regional bundle means the same profile works if your Athens flight connects through Amsterdam or Frankfurt.

2. MobiMatter

MobiMatter aggregates Greece plans from multiple wholesale providers, offering the deepest data catalogue available at up to 120GB per plan. Five single country Greece plans and 60 multi country bundles give an enormous range.

The 60GB plan sits at $44.99 for 30 days, which is the best per GB rate for heavy data users spending an entire summer in Greece. That kind of allowance suits seasonal workers in hospitality or long stay Airbnb visitors uploading content across Santorini and Crete.​

Why MobiMatter for eSIM for Greece: Nobody matches the 120GB ceiling for Greece. Long stay visitors burning through 30 to 40GB monthly will find MobiMatter's wholesale rates consistently undercut other providers at that volume.

3. iRoamly

iRoamly is the standout choice for Greek island hopping because it explicitly routes through both Vodafone and Wind Hellas with 4G and 5G support. Plans start from $0.60 with data types spanning daily cap, total allowance, and unlimited.

The 10GB plan over 10 days on Vodafone and Wind covers a typical Cyclades route from Mykonos to Paros to Naxos without signal anxiety. Unlimited hotspot sharing means couples or small groups share one plan across multiple devices on the ferry.

Why iRoamly for eSIM for Greece: Confirmed Vodafone and Wind dual routing is the real differentiator. When your ferry docks at a small Cycladic port where Wind drops out, Vodafone picks up. That reliability matters more than saving a dollar on data.

4. Billion Connect

Billion Connect fits Greek weekend breaks perfectly through its daily micro plan structure. The Europe 41 country plan starts at $0.92 per day for 500MB of high speed data with unlimited at 128kbps afterwards. A 7 day plan costs $3.06, and the 14 day option sits at $5.42.

That granular daily billing means you pay only for the days you actually use data, not for an entire 30 day block on a 4 day Athens trip. The BC eSIM app keeps your home number active on the primary SIM slot while Greece data runs on the secondary profile.

5. GigSky

GigSky removes the biggest fear for first time eSIM buyers heading to Greece. The free trial plan lets you test that the profile activates and connects to a Greek network before spending anything.

Paid plans include unlimited data at $14.99 for 3 days, $28.99 for 7 days, and $57.99 for 21 days. A 50GB fixed plan at $82.49 for 90 days covers three month summer stays. Auto renewal keeps data flowing if your Santorini sunset photography session runs longer than planned.

Why Gigsky for eSIM for Greece: The free trial matters more for Greece than most destinations because the island ferry network creates activation uncertainty. Testing before you board a 5 hour Blue Star ferry to Naxos saves real frustration.

6. Airalo

Airalo routes Greece data through the Wind Hellas (Nova) network and offers both local and Europe regional plans. The local Meraki Mobile Unlimited plan gives 3GB per day of high speed data before throttling to 1Mbps, starting at $35 for 10 days and scaling to $72 for 30 days.

Fixed plans run from $4.50 for 1GB to $37.50 for 20GB. One Reddit user reported spending 15 days in Greece on Airalo with consistent service everywhere, using 5GB for just $20. Families travelling across multiple islands will find the Meraki unlimited plan the most practical because it handles everyone's navigation, streaming, and photo uploads.

7. Instabridge

Instabridge delivers the best fixed value on this list with a 10GB Greece plan at $11 for 30 days. The 20GB option at $14 for 7 days suits heavier data weeks, while the entry plan starts at $2 for 1GB.

Four single country plans and 8 multi country Europe bundles cover most travel patterns. Solo travellers exploring Crete's Samaria Gorge or driving the mainland from Athens to Meteora will find the 10GB plan more than enough for maps, messaging, and daily photo uploads.

8. Amigo eSIM

Amigo handles Greece through automatic carrier switching between available networks, which means the eSIM profile selects the strongest signal at your location without manual APN changes.

Pre installation lets you set up the profile before your flight from London, Berlin, or wherever you are departing. Hotspot sharing works on every tier. For mainland road trips from Athens through the Peloponnese to Delphi and Meteora, automatic carrier selection keeps you connected as network dominance shifts between Cosmote, Vodafone, and Wind along the route.

Frequently Asked Questions About eSIM for Greece

Final Thoughts

iRoamly earns the top spot for an eSIM for Greece because dual Vodafone and Wind routing delivers the most consistent coverage across islands and mainland alike. Saily suits heavier users with its 5GB daily unlimited cap and EU wide regional bundle.

Instabridge offers the cleanest value at $11 for 10GB over 30 days, enough for most Greek holidays. Try GigSky's free trial or Maya's free plan if you have never used an eSIM before. Greece rewards the traveller who plans ahead, and getting your data sorted before the ferry leaves Piraeus is the simplest preparation you can make.