Greece network coverage: 5G in the cities, LTE past them
Greece has 2 mobile networks: Wind (5G), Vodafone (5G). All 5 providers we rank route through these carriers. Our editorial pick routes through Cosmote (OTE), which delivers the strongest urban and rural coverage combination across Wind and Vodafone based on coverage analysis. Airalo's catalogue starts at $0.89/GB with 5G access. Runners-up HelloRoam and Holafly connect via Vodafone, scoring 4.9/5 and 4.3/5 on coverage.
Provider routing covers 2 mobile networks in Greece: Cosmote (OTE), Vodafone GR, and Wind Hellas. Cosmote (OTE) connects through the strongest combination of urban coverage and rural reach among those options. Cosmote (OTE) sits at the top of the published carrier list for travel eSIM traffic in Greece. 5G is live in major cities: 5G in Athens, Thessaloniki, and major islands; many islands still 4G only.
Coverage notes for Greece, from the carriers' published maps: Cosmote publishes cover on the popular islands, Santorini, Mykonos and Crete included. Remote parts of the smaller islands are gaps. passport required for prepaid sim purchase. Greece welcomes 36.2M (2024) tourists annually. peak travel runs in Jun-Sep.
A travel eSIM in Greece attaches to Cosmote (OTE) on 5G. All 5 ranked providers ride that same host network rather than one of their own, so the network under a HelloRoam plan and the network under an Airalo plan is the same equipment. The published list carries 2 operators for Greece, so a provider with more than one partner has somewhere to fall back to. This site publishes no throughput figure, because it runs no speed test.
5G status in Greece: 5G in Athens, Thessaloniki, and major islands; many islands still 4G only. Your eSIM automatically connects to the fastest available band when 5G is in range.
How to install an eSIM for Greece without a shop visit
Purchase your Greece eSIM from the provider app or website. Scan the QR code over WiFi at home. The eSIM installs in under 2 minutes. Label the new line "Greece Data" to keep it separate from your home SIM.
When you land in Greece, enable data roaming on the eSIM line. Your phone connects to Cosmote (OTE)'s 5G network within 30 seconds. Greece requires SIM registration. Travel eSIM providers handle this automatically during activation.
Set up your Greece eSIM before boarding your flight to Europe. Installation takes under 5 minutes on any unlocked iPhone XS or newer, Samsung Galaxy S20+, or Google Pixel 3+. We recommend completing setup at least 24 hours before your 8-day trip. Greece has 2 carrier networks, and plans start at $2.21 for 1GB.
Your eSIM connects to Cosmote (OTE)'s 5G network in Greece. The country operates 2 networks: Cosmote (OTE), Vodafone GR, and Wind Hellas. Cosmote (OTE) provides the strongest combination of urban reach and tourist-corridor coverage based on network data.
Open your provider's app, scan the QR code, and select Greece as your data plan destination. Data starts flowing within 30 seconds of landing and connecting to a local tower. The catalogue lists 7 plans for Greece, starting at $0.89/GB on Cosmote (OTE)'s infrastructure.
Greece requires SIM registration for mobile connections. Passport required for prepaid SIM purchase. Travel eSIM providers typically handle this step for you during activation.
5G is live in major cities: 5G in Athens, Thessaloniki, and major islands; many islands still 4G only in Greece. Outside urban centers, your eSIM falls back to 5G on Cosmote (OTE). From the carriers' published coverage maps for Greece: Cosmote publishes cover on the popular islands, Santorini, Mykonos and Crete included. Remote parts of the smaller islands are gaps.
For a full walkthrough with screenshots, see our eSIM buying guide.
How much data you need in Greece, where gigabytes are cheap
The published price ladder for Greece: 1GB at $2.21 ($2.21/GB), 3GB at $5.56 ($1.85/GB), 5GB at $7.34 ($1.47/GB), 10GB at $12.62 ($1.26/GB), 20GB at $32 ($1.60/GB). Best value sits at 10GB for $12.62, at $1.26 per gigabyte. Budget entry starts at $2.21 for 1GB. Premium unlimited daily data costs $2.46/day with 2GB at full speed before throttling. Longer commitments reduce the daily rate: the 30-day plan drops to $2.02/day (18% off). Among the 5 providers we ranked, HelloRoam scores highest on pricing (4.8/5). Holafly follows at 4.7/5. Ladder rates run from $0.89 to about $2.21 depending on plan size. Pricing context from our research: Greece eSIM at $0.89/GB is mid-range for Europe. Local SIMs are cheaper but require mainland purchase..
Before purchasing an eSIM for Greece, our editors flagged these details.
Coverage notes for Greece, from the carriers' published maps: Cosmote publishes cover on the popular islands, Santorini, Mykonos and Crete included. Remote parts of the smaller islands are gaps.
Our scoring notes for Greece: Cosmote (OTE group) has the widest coverage across Greek islands; essential for multi-island itineraries..
SIM registration requirement: Passport required for prepaid SIM purchase.
WiFi availability in Greece: Free WiFi in most cafes and tavernas; hotel WiFi generally reliable.
Mobile coverage varies significantly between Greek islands. Cosmote has the widest island coverage.
Greek islands have different peak seasons. Cyclades peak July-August, Crete longer May-October.
Light travelers (maps, messaging, email) use 500MB-1GB per day. Moderate users (social media, photo uploads, ride-hailing) need 1-2GB daily. Heavy users (video calls, streaming, remote work) consume 2-4GB per day.
For a 8-day trip to Greece: light users need roughly 6GB, moderate users need 12GB. The 10GB plan at $12.62 on Cosmote (OTE) covers the moderate scenario.
WiFi in Greece: Free WiFi in most cafes and tavernas; hotel WiFi generally reliable. Available WiFi reduces your eSIM data consumption, but should not be relied on for critical tasks.
Greece eSIM pricing on Cosmote (OTE): 1GB: $2.21 ($2.21/GB), 3GB: $5.56 ($1.85/GB), 5GB: $7.34 ($1.47/GB), 10GB: $12.62 ($1.26/GB), 20GB: $32 ($1.60/GB). Larger plans reduce the per-GB cost. All prices are one-time with no auto-renewal.
Unlimited option: $2.46/day with no data cap (2GB at full speed). Multi-day discounts available: the 30-day plan costs $2.02/day.
Airport SIM comparison: kiosk SIMs in Greece cost $10-20 for 10-20GB / 28 days with 10-15 min wait time. eSIM prices start at $0.89/GB with instant activation.
Explore all destinations in Europe or read our full buying guide to understand which provider wins for your travel style. See also: the rubric each provider is scored against.
eSIM vs airport SIM in Greece: the eSIM costs less per gigabyte
Buying a SIM at Athens (ATH) / Heraklion (HER) / Thessaloniki (SKG) and installing an eSIM before departure compare on published price alone. Cosmote, Vodafone, and Wind sell prepaid SIMs at the arrivals terminal. Airport SIM cards typically cost $10-20 for 10-20GB / 28 days. Vendors quote 10-15 min for purchase and activation at the counter. An eSIM activates in under 2 minutes from your phone, with zero wait and no counter visit.
Local prepaid SIMs in Greece run $8-15 for 5-15GB / 28 days. The cheapest gigabyte in the published catalogue costs $0.89, which undercuts most prepaid counters. The eSIM also saves you from ID registration lines and store visits that eat into your first day.
Our comparison note: Island-hopping makes eSIM valuable. No need to find a SIM card shop on each island arrival..
Our pick for Greece, and when unlimited overtakes per-gigabyte
For budget travelers the pricing dimension is the one to read: HelloRoam publishes an entry rate of $3.50/GB and scores 4.8/5 there, ahead of Holafly at 4.7/5. Plans in Greece attach to Wind on 5G and Vodafone on 5G, with Cosmote (OTE), Vodafone GR, and Wind Hellas also on the published carrier list. Airalo's Greece catalogue undercuts that: the ladder steps from $2.21 for 1GB to $32 for 20GB, and the 10GB rung is its cheapest gigabyte at $1.26. Holafly sells unlimited at $2.99/day, so a trip past 11 days costs more on the day rate than the 20GB rung costs outright at $32. One local detail the rubric does not score: Ferry rides between islands often have no mobile coverage. Download offline entertainment.
HelloRoam earns the Greece pick at 9.5/10, with the top mark on network tier, pricing and support. Its published entry rate is $3.50/GB, which the 10GB rung on this ladder beats at $1.26/GB.
Airalo follows at 9.3/10, 0.2 points back, and the ladder this page quotes is Airalo's own Greece catalogue, which bottoms out at $0.89/GB.
Worth knowing before you buy for Greece: EU roaming means Greek SIM works across Europe including ferry stops at Italian ports.
eSIM provider comparison for Greece (June 2026)| Provider | Score | $/GB | Best For | Action |
|---|
| HelloRoam | 9.5/10 | from $3.50/GB | Editors Choice | Get deal → |
|---|
| Airalo | 9.3/10 | $4.50/GB | Widest Coverage | Get deal → |
|---|
| Holafly | 8.9/10 | $2.99/day | Best Unlimited | Get deal → |
|---|
| Saily | 8.4/10 | $3.99/GB | Best Privacy | Get deal → |
|---|
| Nomad | 8/10 | $3.00/GB | Best Budget | Get deal → |
|---|
See our budget eSIM guide for the cheapest options, or our unlimited eSIM guide if data caps are a concern.
Provider assessments for Greece
HelloRoam
HelloRoam scores 9.5/10 on an entry rate of $3.50/GB, and the best rung on the Greece ladder is 10GB at $1.26/GB, below that. Every provider here rides the same host networks in Greece: Wind on 5G and Vodafone on 5G, plus Cosmote (OTE), Vodafone GR, and Wind Hellas.
Airalo
Airalo scores 9.3/10 on an entry rate of $4.50/GB, and the ladder on this page is its own Greece catalogue: $2.21 for 1GB up to $32 for 20GB, bottoming out at $0.89/GB.
Holafly
Holafly scores 8.9/10 and sells unlimited only, at $2.99/day, so the comparison is a break-even: under 11 days that costs less than the 20GB rung's $32, and past it costs more.
Saily
Saily scores 8.4/10 on an entry rate of $3.99/GB, and every rung on the Greece ladder costs less per gigabyte than that.
Nomad
Nomad scores 8.0/10 on an entry rate of $3.00/GB, and Airalo's catalogue floor for Greece is $0.89/GB, under that.
Real-world usage in Greece
Navigation and maps in Greece
Google Maps and Waze use 5-10MB per hour of active navigation. On Cosmote (OTE)'s 5G network, maps load in under 2 seconds. The 10GB plan at $12.62 covers 2-3 weeks of daily navigation.
Messaging and video calls
WhatsApp, FaceTime, and Zoom run smoothly on 5G in Greece. A 30-minute video call uses roughly 270MB. WiFi context: Free WiFi in most cafes and tavernas; hotel WiFi generally reliable.
Streaming and content
HD video streaming uses about 1.5GB per hour on Cosmote (OTE)'s network. Holafly's unlimited plan from $2.99/day handles heavy streaming without data caps.
Typical 8-day trip
A moderate traveler uses about 1.5GB per day across maps, messaging, and photo uploads. For 8 days in Greece, plan for 12GB total. The 10GB plan at $12.62 is the best match for this usage level.
Value analysis for Greece
The 10GB plan delivers the strongest value at $1.26/GB for Greece. Budget travelers can start with 1GB at $2.21. Both tiers connect through Cosmote (OTE)'s 5G network with identical speed access.
Unlimited data costs $2.46/day for Greece. For trips under 6 days, a fixed plan wins on cost. Longer stays or heavy data usage tips the balance toward unlimited.
HelloRoam leads our Greece value ranking with a 9.5/10 editorial score. 5 providers compete for Greece. The published ladder starts at $0.89/GB.
How the rubric scored eSIMs for Greece
All 5 providers are scored on the same five weighted dimensions, every input a figure the provider publishes: coverage 25%, pricing 25%, network tier 20%, app 15%, support 15%.
What the rubric read for Greece: a carrier list of 5 operators, with Wind on 5G and Vodafone on 5G; a 5-rung published ladder from $2.21 for 1GB to $32 for 20GB; a lowest catalogue rate of $0.89/GB, which is Airalo's; an unlimited daily option in the same Airalo catalogue.
Read the full scoring rubric.
Greece in the Europe eSIM landscape
Greece ranks in the mid tier for eSIM infrastructure in Europe. 2 networks accept eSIM roaming, with Cosmote (OTE) providing the primary routing for all 5 providers.
Per-GB pricing in Greece starts at $0.89, which is competitive for the Europe region. 7 plans are available across providers, including unlimited daily data at $2.46/day.
5G availability gives Greece an edge over neighboring destinations that remain on 4G LTE only. 5G in Athens, Thessaloniki, and major islands; many islands still 4G only.
Greece eSIM: frequently asked questions
Why does HelloRoam earn your Greece eSIM pick?
HelloRoam scores 9.5/10 on our published rubric for Greece, the highest composite of the five providers ranked here. Plans for Greece route through Cosmote (OTE) on 5G. HelloRoam refunds an unactivated eSIM for 180 days. Its dimension scores are coverage 4.9/5, network tier 4.7/5, app 4.7/5, pricing 4.8/5 and support 4.5/5. Airalo's published ladder for Greece starts at $1.26/GB, with its 10GB plan at $12.62.
How do you score eSIM providers in Greece?
The BesteSIM rubric scores HelloRoam, Airalo, Holafly, Saily and Nomad on five published inputs. No figure here comes from a speed test. Coverage carries 25% and reads the operator list for Greece, which names 2 carrier networks led by Cosmote (OTE). Price carries 25%, normalised to cost per gigabyte across every plan size. Network tier carries 20%, app features 15%, and support access 15%, the last read off published support languages: HelloRoam answers in 63, Airalo in 12, Saily in 1. 5G in Athens, Thessaloniki, and major islands; many islands still 4G only. Every input is a published figure a reader can check.
What changed in the 2026 Greece eSIM rankings?
Pricing update for 2026: the 1GB plan is now $2.21. All five providers route through Cosmote (OTE) in Greece. 5G coverage note: 5G in Athens, Thessaloniki, and major islands; many islands still 4G only. We rank 7 plans for Greece, with the 10GB plan at $1.26/GB.
Which phones support eSIM for Greece?
Your eSIM connects to Cosmote (OTE)'s 5G network in Greece. 5G is confirmed on iPhone XS+, Samsung Galaxy S20+, and Google Pixel 3+. Your device must be carrier-unlocked. Cosmote (OTE) publishes 5G service across Greece. Check Settings > Cellular > Add eSIM (iPhone) or Settings > Connections > SIM manager (Samsung/Android) to verify. Most 2022+ Android flagships also work on Cosmote (OTE)'s 5G signal in Greece.
Can I make phone calls with a Greece travel eSIM?
Travel eSIMs provide data only on Cosmote (OTE)'s 5G network. No local phone number is assigned. LINE is the dominant messaging app here. WhatsApp, FaceTime, and Zoom also work over your Greece data connection. Keep your home SIM active to receive calls on your regular number. All five providers ranked here (HelloRoam, Airalo, Holafly, Saily, Nomad) sell data-only plans for Greece.
Does EU roaming apply to travel eSIMs in Greece?
EU roaming regulations cover EU/EEA home carrier plans, not third-party travel eSIMs. In Greece, your eSIM routes through Cosmote (OTE) at $0.89/GB. Cosmote (OTE) carries that routing on 5G in Greece. The 10GB plan at $12.62 ($1.26/GB) is the lowest published cost per gigabyte on Cosmote (OTE)'s 5G network. Non-EU visitors save 70-90% versus home carrier roaming rates for Greece.
Which provider scores highest for European eSIM coverage including Greece?
Airalo scores 5.0/5 for coverage across 39 European countries. In Greece, all five providers route through Cosmote (OTE) or Vodafone on 5G. Greece has 2 networks accepting eSIM roaming. The coverage score separates providers on how many of those networks each one lists as a partner, not on anything timed in the field. Entry price for Greece is $0.89/GB in the 2026 published plan list.
Can I tether or hotspot with a Greece eSIM?
It depends on the provider. Airalo, Saily, and Nomad allow tethering on their Greece plans with no extra fee. You can share your 5G connection on Wind with laptops and tablets. Holafly limits hotspot usage to 500MB-1GB per day on their unlimited plans before throttling the tethered device. Airalo's hotspot delivers 5G speeds to connected laptops and tablets without throttling.
How much does an airport SIM cost vs eSIM in Greece?
Airport SIM cards in Greece typically cost $10-20 for 10-20GB / 28 days from Cosmote, Vodafone, Wind. You will wait 10-15 min in line, plus time for ID registration. An eSIM starts at $0.89/GB with instant Cosmote (OTE) activation from your phone. Compare the two on published price alone: $10-20 for 10-20GB / 28 days at the kiosk against $0.89/GB from the phone, with no counter queue and no passport scan.
What is the best-scoring eSIM plan for Greece?
The 10GB plan at $12.62 ($1.26/GB) takes the highest pricing score for Greece, because it holds the lowest published cost per gigabyte in the catalogue. It routes through Cosmote (OTE) on 5G, the same carrier every one of the five providers uses here. Full plan range: 1GB at $2.21, 3GB at $5.56, 5GB at $7.34, 10GB at $12.62, 20GB at $32. The 10GB tier suits trips of 5 days or more.
How much does roaming cost in Greece vs an eSIM?
Home carrier roaming in Greece typically costs $5-15/day or $10-20/GB. An eSIM starts at $0.89/GB on Cosmote (OTE)'s 5G network. The 10GB plan at $12.62 covers most trips for a fraction of roaming fees.
Can I use multiple eSIMs in Greece?
Most modern phones support 8-10 eSIM profiles simultaneously. Only one data eSIM can be active at a time in Greece. You can keep your home SIM active for calls while using an eSIM on Cosmote (OTE) for data. Switch between profiles in Settings without removing any.
Greece travel connectivity tips
Planning data for Greece? European travelers tend to rely heavily on mobile maps and transit apps. Travelers use about 1.5GB per day on average. A typical 8-day visit needs roughly 12GB of mobile data. WiFi note: Free WiFi in most cafes and tavernas; hotel WiFi generally reliable.
You will likely arrive at Athens (ATH) / Heraklion (HER) / Thessaloniki (SKG). the local time zone is EET/EEST (UTC+2/+3). wall outlets use Type C/F sockets, so pack the right adapter.
Save Greece's emergency number (112) in your contacts before departure. the local currency is EUR (€). With an eSIM active, you step off the plane already connected to Cosmote (OTE)'s network in Greece.
Travel timing: Summer peak for islands; Athens best in spring/fall; shoulder seasons offer better value. eSIM prices from international providers stay fixed regardless of peak or off-peak travel periods.
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Greece · 5 providers compared
