Best 21-day eSIM for Europe

Travelling Europe for 21 days (3 weeks)? A regional eSIM keeps you connected across multiple countries without swapping SIM cards. One plan, instant QR delivery, no contract.

Starting from (Free)
￥1,639
Pro — save 7%
￥1,524
Premium — save 12%
￥1,442

21-day regional plans — Europe

Best Value
Eurolink
3 GB
30 days validity · 42 countries
￥1,639
￥547/GB
Eurolink
5 GB
30 days validity · 42 countries
￥2,906
￥581/GB
Eurolink
10 GB
30 days validity · 42 countries
￥4,619
￥462/GB
Eurolink
20 GB
30 days validity · 42 countries
￥7,152
￥358/GB
View all Europe plans →

Other trip lengths — Europe

3-day Europe eSIM5-day Europe eSIM7-day Europe eSIM10-day Europe eSIM14-day Europe eSIM30-day Europe eSIM

Countries in Europe

21-day Albania21-day Andorra21-day Austria21-day Belarus21-day Belgium21-day Bosnia and Herzegovina21-day Bulgaria21-day Croatia21-day Cyprus21-day Czech Republic21-day Denmark21-day Estonia21-day Finland21-day France21-day Germany21-day Greece21-day Hungary21-day Iceland

FAQ — 21-day Europe eSIM

What eSIM covers Europe for 21 days?
A regional Europe eSIM covers multiple countries in one plan. Look for validity_days ≥ 21. LTE.app regional plans include countries across Europe — no SIM swapping between borders.
Regional vs country-specific eSIM for 21 days?
A regional plan is best if you're crossing multiple countries. If you're staying in one country for the whole 21 days, a country-specific plan typically offers more data per dollar.
When should I install my Europe eSIM?
Install at home before you fly, over Wi-Fi. Activation begins when you land. You'll have LTE from the moment you arrive — no SIM card queue.
Save on every trip with membership
Pro 7% off · Premium 12% off · Smart Coach AI
Download LTE.app →
Best 21-day Europe eSIM (2026) — All Countries — LTE.app