Best eSIM for Portugal
Updated November 2026
The short answer
The best eSIM for Portugal is one that works as well in the Algarve and the Douro as it does in Lisbon. Ours runs on Vodafone and NOS, activates on arrival and costs a fraction of a roaming bill.
Portugal plans from Tonavira start at $2.99, with 588 plans to choose from. Every plan is a one-time payment with no subscription and no roaming bill afterwards.
Best for: Trips that mix a city with a coast or wine region, where you are driving between places and depending on maps.
When you should not buy from us
No eSIM suits every trip. These are the cases where something other than our Portugal plan is the better buy.
- You live in the EU and already roam here under your own plan at no extra cost.
- You are staying a month or more, which is common in Lisbon, where a local Portuguese SIM becomes better value than any travel eSIM.
What to compare before you buy
The cheapest Portugal eSIM is rarely the best one. These are the things that decide whether a plan actually works for your trip.
- Price per gigabyte, not the headline price: a $5 plan with 1 GB costs more per gigabyte than a $13 plan with 5 GB.
- Whether hotspot and tethering are allowed. Many cheap plans block them, which matters the moment you open a laptop.
- What happens when the data runs out: can you top up the same eSIM, or must you buy and install a new one?
- What 'unlimited' means on that plan: almost always a daily allowance at full speed, then a much slower connection.
- Whether validity starts when you buy, when you install or when you first connect. Each of our plan pages says which.
- Whether there is a refund if the eSIM will not work on your phone, and whether a human answers when something goes wrong.
What actually matters in Portugal
- Coverage is good nationwide and excellent in Lisbon and Porto. The interior and the mountain roads north of the Douro are the thin spots.
- Lisbon's historic trams and older buildings block signal more than you would expect from a modern network.
- Many restaurants inland are cash-only and poorly mapped, so offline maps are worth downloading before you drive.
How much data do you need for Portugal?
200-350 MB a day. 3 GB for a week, 10 GB for a month-long stay that leans on maps and video calls.
Not sure? The data calculator works it out from how you actually use your phone.
Our Portugal plans
One-time payment. Each plan page says when its days start.
1 GB
Vodafone [5G], NOS [5G]
$2.99
≈ $0.43 / day
3 GB
Vodafone [5G], NOS [5G]
$4.99
≈ $0.33 / day
3 GB
Vodafone [5G], NOS [5G]
$5.99
≈ $0.20 / day
5 GB
Vodafone [5G], NOS [5G]
$6.99
≈ $0.23 / day
10 GB
Vodafone [5G], NOS [5G]
$11.99
≈ $0.40 / day
20 GB
Vodafone [5G], NOS [5G]
$19.99
≈ $0.67 / day
Not sure how much you need? Use the data calculator
Questions about eSIMs in Portugal
What is the best eSIM for Portugal?
Pick a plan that covers your whole stay with some data to spare. We offer 73 Portugal plans starting from $2.99, delivered instantly by email and in your account.
Which networks does the Portugal eSIM use?
It connects to Vodafone [5G], NOS [5G], and your phone switches to the strongest available network automatically.
Can I install my Portugal eSIM before I travel?
Yes, on the day you travel: install it on Wi-Fi before you leave. Some plans start counting when the eSIM is installed and others when it first connects in Portugal, so installing on the day keeps all your days.
Do I get a phone number with the Portugal eSIM?
No, it's data only. Call and message over WhatsApp, FaceTime or Telegram, and keep your regular SIM switched on to receive texts such as bank codes.
How much data do I need for a trip to Portugal?
Most travellers use 0.5–1 GB per day for maps, messaging and social media. Streaming video uses much more. Our data calculator gives a personal estimate.
Updated November 2026. Our prices are read from our live catalogue, so the figures above are what we charge today. Full Portugal plan details are on the Portugal destination page.