Best eSIM for Portugal: Plans, Prices and Everything You Need to Know
The short answer: Yes, eSIM works in Portugal. Plans start from £0.99. A week of data for maps, WhatsApp and social media costs around £13.93. No physical SIM needed — you get a QR code by email within minutes of buying.
Does eSIM work in Portugal?
Yes. Portugal has reliable 4G LTE coverageand 5G in major cities. Your eSIM connects to local networks including NOS and Vodafone PT.
Your phone must be eSIM-compatible and unlocked. Most iPhones from iPhone XS onwards support eSIM, as do many Android devices from 2020 onwards. Check compatibility →
How much does an eSIM for Portugal cost?
Oatfish eSIM plans for Portugal start from £0.99.
| Plan | Data | Validity | Price |
|---|---|---|---|
| 7-day | 1GB | 7 days | £3 |
| 30-day | 3GB | 30 days | £7 |
| 30-day | 5GB | 30 days | £14 |
| 30-day | 10GB | 30 days | £22 |
| Daily | 500MB/day | Per day | £0.99/day |
Is an eSIM cheaper than roaming in Portugal?
Portugal roaming charges apply for UK travellers post-Brexit. At a typical £2 per day, a 7-day trip costs £14 in roaming — before any overage charges.
An Oatfish eSIM for Portugal costs £13.93 for a week. That is a saving of around £07 compared to typical UK carrier roaming.
The bigger advantage of eSIM over roaming is predictability. You know exactly what you are paying before you travel, with no bill shock when you get home.
What is the best eSIM plan for Portugal?
It depends on your trip length and usage.
For a 1-week trip with moderate usage (maps, WhatsApp, checking emails): The £1.99/day plan gives you 1GB each day. Useful if your trip length is uncertain.
For heavy data users (remote work, video calls, hotspot sharing): The £4.99/day plan supports 3GB per day — enough for video calls and working remotely.
For long stays or digital nomads: The £52.99 30-day plan is the most cost-efficient option for an extended stay in Portugal.
If your trip length is uncertain: Daily plans start from £0.99/day. You only pay for the days you actually use data.
How do I set up an eSIM for Portugal?
- Buy your plan at oatfish.com/product/portugal/
- Receive your QR code by email, usually within minutes of purchase
- Scan the QR code in your phone Settings under Mobile Data or SIM settings
- Activate on arrival — your eSIM connects automatically to NOS and Vodafone PT
Excellent coverage in Lisbon, Porto and the Algarve. Madeira is also well covered..
Your existing SIM stays active alongside the eSIM. Your UK number still receives calls and texts — the eSIM handles your data connection.
Frequently asked questions about eSIM in Portugal
Does eSIM work on all phones in Portugal? eSIM works on most modern smartphones — iPhones from XS onwards, Google Pixel 3 and newer, Samsung Galaxy S21 and newer, and many other Android devices. Your phone must be unlocked. Check compatibility →
Can I use my eSIM as a hotspot in Portugal? Yes. All Oatfish eSIM plans support hotspot sharing. You can connect a laptop or tablet to your phone’s eSIM data.
When does my Portugal eSIM plan start? Your plan activates when you first connect to a local network in Portugal, not when you purchase. You have up to 180 days from purchase to activate.
Can I top up if I run out of data in Portugal? Yes. Buy an additional plan if you need more data. Your eSIM QR code stays valid — no reinstallation needed.
Is it safe to use eSIM in Portugal? Yes. eSIM uses the same technology as a local SIM card — it just does not require a physical card. Your data runs through the local network operators (NOS and Vodafone PT), which are the same networks locals use.
Get your Portugal eSIM
Plans from £0.99. Instant QR code delivery. No physical SIM. Works the moment you land.