eSIM for Japan
Get an eSIM for Japan and enjoy reliable and affordable internet access on your trip.
Choose an eSIM data plan for Japan
15 days
US$48.99
eSIM for Japan
All plans have a 180-day activation period. If you get a plan today and don't activate it until , it will be activated automatically.
Choose number of eSIMs
How many travelers?
1
eSIM
4.7 (97,400+ reviews)
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Affordable data plans, starting from US$3.99.
Get 4G/LTE and 5G speeds where available, powered by partnerships with local operators including KDDI and SoftBank.
Works with all eSIM-compatible smartphones.
A Saily eSIM for Japan starts at US$3.99 for 1 GB and connects to local network partners for 4G/LTE and 5G coverage across Tokyo, Kyoto, Osaka, and other major Japanese cities.
Need more flexibility? The Unlimited plan gives you 5 GB per day at full 4G/5G speed, then keeps you online at 1 Mbps for the rest of the day — fast enough for navigation, messaging, and standard browsing. Download the Saily eSIM app, pick your data plan, and enjoy easy internet access while visiting Japan! And if you’re planning to visit more places in the region, consider getting an eSIM data plan for Asia and Oceania.
Plan activation: Automatic, when you arrive at your first destination (as long as you’ve turned on your eSIM in the device’s settings and enabled roaming).
Plan duration: Depends on the plan, either 1 day or 30 days.
Data plans: From 1 GB to Unlimited GB.
Delivery time: Right after purchase.
SMS: Yes, SMS are available with a Saily phone number and text message plan for Japan.
Calls: Yes, Saily offers an eSIM with a phone number, so calls are available with a minutes plan for Japan. Keep in mind that call minutes cover both incoming and outgoing calls. If you only need a data plan, you can call through apps (VoIP), such as WhatsApp, FaceTime, and Facebook Messenger.
Speed: 3G/4G/LTE/5G, depending on local network providers.
Hotspot: No hotspot restrictions or limitations.
Coverage: Enjoy reliable internet access in various cities across Japan. Please note that coverage quality will depend on local network providers.
How to get an eSIM for Japan
1
Choose a data plan for your trip
Select your destination and buy your travel eSIM data plan. Then, download the Saily app.
2
Set up your eSIM and enable data roaming
Set up the eSIM from your device by following instructions in the app and enable data roaming for your Saily plan.
3
Land in Japan, and your plan activates
Get ready for takeoff — your data plan will activate automatically when you arrive at your destination!
Japan
Remaining data
3 / 3 GB
Expires in
29 days, 7 hours
Why you should get the Saily eSIM app for Japan
Saily’s eSIM data plans include many benefits:
Get an eSIM for Japan with regional plans
Visiting countries other than Japan? You may want to get an eSIM that works in multiple countries, including Japan.
Saily vs. other eSIM services
 |  |  |  |  | ||
|---|---|---|---|---|---|---|
One eSIM for supported destinations |  |  | | |  | |
| Phone number (SMS and calls) | | | | | | |
| 24/7 live chat support | | | | | | |
Refunds | | | | | | |
| Security features | | | | | | |
| Virtual locations | 115+ | 0 | 0 | 0 | 0 | |
| Blocks malicious URLs | | | | | | |
| Data saver (ad blocker) | | | | | | |
| View Plans |
*This data was taken from competitors’ official English-language sites on August 22, 2025, and the West Coast Labs product comparison report. For additional info, contact [email protected].
** Saily® is unaffiliated with the goods or services to which it is being compared.
They talk about us
Why travelers choose the Saily eSIM app
Saily is an affordable, easy-to-use, and sustainable eSIM service that gives reliable mobile and internet connections from anywhere in the world. That’s why we recommend Saily as our eSIM partner.
Easy, cheap and fast. Easy step to step setup and troubleshooting, super fast speed (around 100 mbps). Cheap, great coverage and helpful chat/assistance. Keep up the good work.
5
I can set it up at home right now, activate it when I’m ready (it takes literally just a couple of minutes, I’ve tried it myself), and boom! I have internet on my phone when traveling, as it should be… So I recommend checking out Saily next time you’re traveling — it’s a must!
There’s so much you can’t do abroad without a proper internet connection. Saily takes care of everything. It’s simple to buy and easy to install. I love it.
Awesome — used Saily across 3 countries already (UK, Netherlands and Belgium). Took me like 1min to buy esim and activate it. My internet was way better than my friends' who remained connected to their local providers and used roaming plans instead.
5
With comprehensive coverage and affordable prices, Saily is the best eSIM for Europe. Activating Saily is straightforward. Download the app, choose your plan, and surf the internet. You can contact the Saily customer support team via live chat or email if you encounter any issues.
As a product backed by the reputable NordVPN brand, Saily benefits from the company's focus on security and privacy. Users praise its easy installation process, affordable pricing, and reliable coverage across the world.
1 / 7
Saily is an affordable, easy-to-use, and sustainable eSIM service that gives reliable mobile and internet connections from anywhere in the world. That’s why we recommend Saily as our eSIM partner.
Easy, cheap and fast. Easy step to step setup and troubleshooting, super fast speed (around 100 mbps). Cheap, great coverage and helpful chat/assistance. Keep up the good work.
5
I can set it up at home right now, activate it when I’m ready (it takes literally just a couple of minutes, I’ve tried it myself), and boom! I have internet on my phone when traveling, as it should be… So I recommend checking out Saily next time you’re traveling — it’s a must!
There’s so much you can’t do abroad without a proper internet connection. Saily takes care of everything. It’s simple to buy and easy to install. I love it.
Awesome — used Saily across 3 countries already (UK, Netherlands and Belgium). Took me like 1min to buy esim and activate it. My internet was way better than my friends' who remained connected to their local providers and used roaming plans instead.
5
With comprehensive coverage and affordable prices, Saily is the best eSIM for Europe. Activating Saily is straightforward. Download the app, choose your plan, and surf the internet. You can contact the Saily customer support team via live chat or email if you encounter any issues.
As a product backed by the reputable NordVPN brand, Saily benefits from the company's focus on security and privacy. Users praise its easy installation process, affordable pricing, and reliable coverage across the world.
Easy, cheap and fast. Easy step to step setup and troubleshooting, super fast speed (around 100 mbps). Cheap, great coverage and helpful chat/assistance. Keep up the good work.
5
I can set it up at home right now, activate it when I’m ready (it takes literally just a couple of minutes, I’ve tried it myself), and boom! I have internet on my phone when traveling, as it should be… So I recommend checking out Saily next time you’re traveling — it’s a must!
Saily is an affordable, easy-to-use, and sustainable eSIM service that gives reliable mobile and internet connections from anywhere in the world. That’s why we recommend Saily as our eSIM partner.
There’s so much you can’t do abroad without a proper internet connection. Saily takes care of everything. It’s simple to buy and easy to install. I love it.
Awesome — used Saily across 3 countries already (UK, Netherlands and Belgium). Took me like 1min to buy esim and activate it. My internet was way better than my friends' who remained connected to their local providers and used roaming plans instead.
5
With comprehensive coverage and affordable prices, Saily is the best eSIM for Europe. Activating Saily is straightforward. Download the app, choose your plan, and surf the internet. You can contact the Saily customer support team via live chat or email if you encounter any issues.
As a product backed by the reputable NordVPN brand, Saily benefits from the company's focus on security and privacy. Users praise its easy installation process, affordable pricing, and reliable coverage across the world.
Download the Saily eSIM app
You can get Saily on Google Play and the App Store or by scanning the QR code.
4.7 rating
(35,487+) reviews
4.7 rating
(61,942+) reviews
Frequently asked questions about eSIMs for Japan
Refer a friend, get free Saily credits!
Invite your friends to use the Saily eSIM app and get US$5.00 in Saily credits for every successful referral.