📍 🇯🇵 Japan

🗓 any length📶 Normal

Showing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.

Cheapest Japan eSIM right now: Japan 1GB 7 days — 1GB for 7 days at $2.54 ($2.54/GB) after code ESIMADVICE15. Verified 2026-07-28.
According to RoamSonar's price index, the median price per GB among metered plans covering Japan is $4.19/GB, across 84 live plans as of July 2026.
84 of 84 plans
84
Plans compared
$2.54
Cheapest plan
$4.19
Median per GB
$2.97
Unlimited from

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.

Plan the trip

All guides →

Japan travel eSIM guide

Practical guidance with live price shortcodes

How to install an eSIM

Practical guidance with live price shortcodes

How coupon pricing works

Practical guidance with live price shortcodes

Compare providers covering Japan

GigSky vs SurfroamSimbye vs GigSkySimbye vs Surfroam

Also traveling to…

Türkiye

from $2.54$0.67/GB

Thailand

from $2.54$0.45/GB

United Arab Emirates

from $3.39$2.12/GB

Indonesia

from $2.54$0.84/GB

Vietnam

from $2.54$0.99/GB

India

from $2.54$0.99/GB

Good questions

What is the cheapest eSIM for Japan?

Plans start at $2.54 and the median price is $4.19/GB. For a 15-day trip, the cheapest works out to about $0.17 per travel day. Prices re-checked 6 min 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. 28 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?

26 of 84 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.