Best 21-day eSIM for Asia
Travelling Asia 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.
No regional plans currently match 21 days. Browse all Asia plans →
Other trip lengths — Asia
Countries in Asia
21-day Afghanistan
21-day Armenia
21-day Azerbaijan
21-day Bangladesh
21-day Bhutan
21-day Brunei
21-day Cambodia
21-day China
21-day Georgia
21-day Hong Kong
21-day India
21-day Indonesia
21-day Iran
21-day Iraq
21-day Israel
21-day Japan
21-day Jordan
21-day KazakhstanFAQ — 21-day Asia eSIM
What eSIM covers Asia for 21 days?
A regional Asia eSIM covers multiple countries in one plan. Look for validity_days ≥ 21. LTE.app regional plans include countries across Asia — 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 Asia 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.
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