Best eSIM for Portugal (2026): Prices Compared
Short answer: for most trips to Portugal, 10 GB for 30 days is plenty, and GoSIM sells it for $7.99. The same size costs $11 (Airalo), $16 (Nomad) and $16.99 (Saily). Below are all the plans side by side, plus a few things worth sorting out before Lisbon, Porto or the Algarve.
Oct. 6, 2026
Short answer: 10 GB for 30 days at $7.99 covers most trips. Only a few days of maps and messaging? The 1 GB day pass is $1.99, or 1 GB for 7 days at $1.99. Staying a month and streaming a lot? 20 GB for 30 days is $13.99.
GoSIM Portugal plans
Prices start at $1.99. Day passes give you a fresh allowance that resets the next day. The 7-, 15- and 30-day plans are one fixed total for the whole period. There is no 7-day plan above 1 GB, so for a week with heavier use pick a 30-day plan.
| Plan | Data | Validity | Price |
|---|---|---|---|
| Daily 500 MB | 500 MB per day | 1 day | $1.99 |
| Daily 1 GB | 1 GB per day | 1 day | $1.99 |
| Daily 2 GB | 2 GB per day | 1 day | $2.99 |
| Daily 3 GB | 3 GB per day | 1 day | $2.99 |
| Daily 5 GB | 5 GB per day | 1 day | $3.99 |
| Daily 10 GB | 10 GB per day | 1 day | $6.99 |
| 1 GB / 7 days | 1 GB total | 7 days | $1.99 |
| 3 GB / 15 days | 3 GB total | 15 days | $3.99 |
| 3 GB / 30 days | 3 GB total | 30 days | $3.99 |
| 5 GB / 30 days | 5 GB total | 30 days | $4.99 |
| 10 GB / 30 days | 10 GB total | 30 days | $7.99 |
| 20 GB / 30 days | 20 GB total | 30 days | $13.99 |
| 50 GB / 30 days | 50 GB total | 30 days | $33.99 |
Which plan for which trip
| Trip | Plan to look at | Price |
|---|---|---|
| Layover or one day | Daily 1 GB | $1.99 |
| Long weekend, maps and messaging | 1 GB / 7 days | $1.99 |
| Week away, light use | 3 GB / 30 days | $3.99 |
| Ten days, some video and social | 5 GB / 30 days | $4.99 |
| Two to four weeks, normal use | 10 GB / 30 days | $7.99 |
| A month, heavy use | 20 GB / 30 days | $13.99 |
| A month of remote work | 50 GB / 30 days | $33.99 |
If you are not sure, go one size up. Maps, bookings, ferries or trains, and translation add up.
How the prices compare
Checked on October 6, 2026, on each provider’s own Portugal page. All three sell a 10 GB / 30-day plan like ours.
| Provider | Closest plan | Price (USD) |
|---|---|---|
| GoSIM | 10 GB / 30 days | $7.99 |
| Airalo | 10 GB / 30 days | $11 |
| Nomad | 10 GB / 30 days | $16 |
| Saily | 10 GB / 30 days | $16.99 |
For a short trip the gap is smaller. GoSIM’s 1 GB / 7 days is $1.99, against $4.50 at Nomad and $3.99 at Saily. Airalo’s smallest plan is 1 GB for 3 days at $4. At 20 GB / 30 days we are $13.99, against $19 at Airalo, $20 at Nomad and $27.99 at Saily.
Before you land
- Maps and rides. Google Maps works fine for walking and transit. Taxi and ride apps need a data connection to book and track.
- WhatsApp. A common way to reach hosts and tour operators. Set it up at home.
- WiFi. Hotels and cafes have WiFi, but it drops once you leave. Mobile data keeps maps and tickets working between stops.
- Phone support. You need an eSIM-capable phone that is carrier-unlocked. The quickest check is Settings, then look for "Add eSIM".
Setup
- Pick a plan and check out as a guest. No account needed.
- Your QR code arrives by email.
- Scan it under Settings, Mobile Data, Add eSIM. You can do this at home.
- Land in Portugal and the eSIM connects to the local network.
GoSIM offers a 7-day refund on eSIMs that haven’t been activated. See all current plans on the Portugal eSIM page. Also heading to other European countries? Read our guide to eSIMs for Swiss travelers in Europe, or see Spain and Italy.
Frequently Asked Questions
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