Best 21-day eSIM Plans for Luxembourg
Going to Luxembourg for 21 days (3 weeks)? These plans cover your full trip — all with instant QR delivery, no contract, and no SIM card to pick up at the airport.
Starting from (Free)
$2.34
Pro membership — save 7%
$2.18
Premium membership — save 12%
$2.06
Recommended 21-day plans — Luxembourg
Best Value
Luxcom
20 GB
30 days validity
$29.50
$1.48/GB
All 5 plans covering 21+ days
Luxcom
20 GB
30 days validity
$29.50
$1.48/GB
Luxcom
10 GB
30 days validity
$19.00
$1.90/GB
Luxcom
5 GB
30 days validity
$11.50
$2.30/GB
Luxcom
3 GB
30 days validity
$8.00
$2.67/GB
Discover
200 MB
30 days validity
$2.34
$11.98/GB
Other trip lengths for Luxembourg
21-day eSIM plans by destination
Frequently asked questions — 21-day Luxembourg eSIM
What eSIM do I need for 21 days in Luxembourg?
Look for a plan with at least 21 days of validity. The plans above all cover your full trip. Activate when you land — validity starts from first use, not from purchase.
How much data do I need for 21 days in Luxembourg?
A typical traveler uses 1–2 GB per day for maps, messaging, and occasional video. For 21 days that is roughly 21–42 GB.
When should I install my Luxembourg 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 — no need to find a SIM card shop.
Save on every trip with Pro or Premium
Pro 7% off · Premium 12% off · Smart Coach AI · Offline activation
Luxembourg travel connectivity
All Luxembourg pages — linked for faster research