Portugal has excellent mobile coverage from Lisbon to Porto and across the Algarve. An eSIM keeps you connected for navigating cobblestone streets and booking tram rides.
Updated March 2026
Portugal 3GB — 3 GB
Airalo offers great value for Portugal on the MEO or NOS networks. Excellent coverage across the country, including the Algarve coast and Madeira.
Get this dealSide-by-side comparison of the best eSIM deals for Portugal. Sorted by price.
| Provider | Plan | Data | Validity | Price | Price/GB | Network | |
|---|---|---|---|---|---|---|---|
| Best Deal Airalo | Portugal 3GB | 3 GB | 30 days | £5.00 | £1.67 | MEO / NOS | View |
| Airalo | Portugal 10GB | 10 GB | 30 days | £13.00 | £1.30 | MEO / NOS | View |
| Holafly | Portugal Unlimited | Unlimited | 7 days | £19.00 | N/A | NOS | View |
| Saily | Portugal 5GB | 5 GB | 14 days | £6.99 | £1.40 | MEO | View |
| Ubigi | Portugal 3GB | 3 GB | 30 days | £8.00 | £2.67 | NOS | View |
| MobiMatter | Portugal 5GB | 5 GB | 14 days | £7.50 | £1.50 | MEO | View |
Common questions about using an eSIM in Portugal.
Airalo offers the cheapest Portugal eSIM at £5.00 for 3 GB with 30-day validity on the MEO or NOS networks.
Yes, most Portugal eSIM plans cover Madeira and the Azores. Coverage is good in towns and tourist areas, though remote mountain trails may have limited signal.
Yes, the Algarve has excellent mobile coverage across all the main resort towns, beaches and golf courses. You will have reliable signal from Lagos to Faro.
If you are only visiting Portugal, a country-specific plan is cheaper. If you are combining Portugal with Spain or other European countries, a Europe regional eSIM is better value.
For a week in Lisbon with maps, social media, and messaging, 3 GB is usually sufficient. Lisbon has good free Wi-Fi in many cafes and tourist spots.