Best 21-day eSIM Plans for Spain
Going to Spain for 21 days (3 weeks)? These plans cover your full trip โ all with instant QR delivery, no contract, and no SIM card to pick up at the airport.
Starting from (Free)
$2.34
Pro membership โ save 7%
$2.18
Premium membership โ save 12%
$2.06
Recommended 21-day plans โ Spain
Best Value
Guay Mobile
999 GB
30 days validity
$63.00
$0.06/GB
All 6 plans covering 21+ days
Guay Mobile
999 GB
30 days validity
$63.00
$0.06/GB
Guay Mobile
20 GB
30 days validity
$20.00
$1.00/GB
Guay Mobile
10 GB
30 days validity
$14.00
$1.40/GB
Guay Mobile
5 GB
30 days validity
$9.00
$1.80/GB
Guay Mobile
3 GB
30 days validity
$6.00
$2.00/GB
Discover
200 MB
30 days validity
$2.34
$11.98/GB
Other trip lengths for Spain
21-day eSIM plans by destination
Frequently asked questions โ 21-day Spain eSIM
What eSIM do I need for 21 days in Spain?
Look for a plan with at least 21 days of validity. The plans above all cover your full trip. Activate when you land โ validity starts from first use, not from purchase.
How much data do I need for 21 days in Spain?
A typical traveler uses 1โ2 GB per day for maps, messaging, and occasional video. For 21 days that is roughly 21โ42 GB.
When should I install my Spain eSIM?
Install before you travel, at home over Wi-Fi. Activation begins when you arrive and connect to a local carrier.
Can I top up if I run out of data?
Many plans are rechargeable. You can purchase an additional plan from LTE.app at any time โ no need to find a SIM card shop.
Save on every trip with Pro or Premium
Pro 7% off ยท Premium 12% off ยท Smart Coach AI ยท Offline activation
Spain travel connectivity
All Spain pages โ linked for faster research
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