Always Mobile
5G available
1GB
Data
7 days
Validity
$2.50
$2.50/GB
JapanAny lengthNormal · ≈500 MB/dayFind your eSIM for Japan
Showing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.
10 plans · 1 providers
How we rankLowest total price first. Data allowances differ.
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Always Mobile
5G available
3GB
Data
15 days
Validity
$3.50
$1.17/GB
Always Mobile
5G available
3GB
Data
30 days
Validity
$3.75
$1.25/GB
Always Mobile
5G available
5GB
Data
30 days
Validity
$4.75
$0.95/GB
Always Mobile
5G available
10GB
Data
30 days
Validity
$6.25
$0.63/GB
Always Mobile
5G available
1GB
Data
365 days
Validity
$9.50
$9.50/GB
Always Mobile
5G available
20GB
Data
30 days
Validity
$10.75
$0.54/GB
Always Mobile
5G available
50GB
Data
30 days
Validity
$21.50
$0.43/GB
Always Mobile
5G available
50GB
Data
180 days
Validity
$35.25
$0.70/GB
Always Mobile
5G available
20GB
Data
90 days
Validity
$83.00
$4.15/GB
Good to know in Japan
Install the eSIM before leaving airport Wi-Fi and keep data roaming enabled for the travel line. Japan's dense rail network includes tunnels and underground sections, so a brief hand-off or signal drop does not necessarily mean the plan failed.
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Good questions about Japan eSIMs
What is the cheapest eSIM for Japan?
Plans start at $0.28 and the median price is $1.09/GB. Prices re-checked 2 h ago.
When should I install an eSIM for Japan?
Install on reliable Wi-Fi within the provider's documented window. Some plans start validity at installation and others at first connection, so follow the selected plan's email rather than assuming.
Are unlimited eSIM plans available for Japan?
Yes. 363 current plans are listed as unlimited. Read each network note for a daily high-speed allowance or throttle rule; “unlimited” is not automatically full speed all day.
Can I use hotspot with an eSIM for Japan?
1464 of 2989 plans allow hotspot/tethering — filter by “Hotspot / tethering” above. Plans that block it carry a “No hotspot” badge, and where a provider hasn't told us, we show “—” rather than guess.