How to Buy an eSIM for Japan: Everything Travelers Need to Know (2025)

Traveling to Japan? Skip the SIM card line and get connected instantly with a Japan eSIM. With just a few taps, you can activate mobile data before you even leave the airport—no physical SIM, no kiosk hassle, and full English support. 

This guide will show you exactly how to buy eSIM for Japan, choose the right plan, and get set up in minutes—perfect for short-term visitors, digital nomads, and tourists alike. 

Want fast, reliable internet as soon as you land? Let’s get you connected—quickly, affordably, and stress-free.

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Skip the SIM Card Line: Instantly Buy and Activate a Japan eSIM!

No more airport kiosks, confusing options, or long lines. With Sakura Mobile’s Travel eSIM, you can:

✅Buy online in minutes
✅Activate with a quick scan
✅Get connected on arrival — anywhere in Japan
✅Enjoy unlimited data — no need to worry about usage limits
➡️Buy Your eSIM Now and explore with peace of mind

What is an eSIM and Why It’s Perfect for Japan Travelers

An eSIM (embedded SIM) is a digital SIM that lets you activate a mobile plan without a physical card. Instead of picking up a SIM in person, you scan a QR code and connect right away.

Why travelers love eSIMs in Japan: 
Click on image to enlargee
  • Instant Setup: Get connected as soon as you land
  • No kiosks, no language issues, no lines
  • Works on arrival anywhere in Japan
  • Easy to set up: especially if your provider offers English support.
  • Perfect for short-term tourists or long-term stays.

eSIMs are a top choice for Japan travel in 2025, especially if you want to avoid the hassle of finding a SIM card after a long flight.

Want to skip the airport SIM kiosk and connect instantly?

Try Sakura Mobile’s eSIM now➡️

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Where Can You Buy an eSIM for Japan?

You know eSIM is the option for you — but where should you get one?

Let’s look at the best places to buy eSIM for Japan, including trusted online providers, travel platforms, and what to avoid at the airport

Online (Most Recommended)

Why? It’s instant, convenient, and tourist-friendly.

Best for: Convenience, instant activation, pre-travel setup

Where to Buy: 

  • Trust providers: Sakura Mobile
  • eSIM marketplaces: Airalo, Nomad, Holafly
  • Travel Platforms: Klook, Japan Experience

Advantages: 

  • Delivered instantly by email (QR code)
  • Activate before or after arrival
  • Better pricing than airport kiosks
  • No Japanese language needed
  • English customer support may be available
💬Need Help Buying Your eSIM for Japan?Our English-speaking support team is based in Japan and ready to help — before and during your trip.
✅Quick responses
✅Real people, not just chatbots
✅Help with setup, activation, or travel changes
👉Contact us now →

Other (Less Ideal) Places to Buy

Airport Kiosks or SIM Counters

Best for: Last-minute buyers arriving in Japan

Where to buy: Narita, Haneda, Kansai International Airport, Fukuoka International Airport, Chubu Centrair International Airport, New Chitose Airport, etc.

Advantages: 

  • Staff available — English support may vary by provider.
  • Can compare SIM and eSIM options in person.

Disadvantages: 

  • Limited stock or options
  • Long lines during peak travel times
  • Often more expensive than online options.
Physical Stores (Electronics & Convenience Stores)

Best for: Travelers already in Japan without internet

Where to Buy: 

  • Electronic stores: Bic Camera, Yodobashi Camera, etc.
  • Discount Retailers: Don Quijote
  • Some convenience stores: 7-Eleven, Mini Stop, etc.

Advantages: 

  • Immediate in-person purchase
  • May carry physical SIMs for unlocked, compatible devices.

Disadvantages: 

  • Options are limited
  • More expensive
  • Requires setup on your own
  • Store staff might not speak English
  • Less transparent pricing and fewer tourist-optimized plans.

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How to Buy an eSIM for Japan (Step-by-Step)

Click on image to enlarge

1. Choose a Provider and Data Plan

Pick a provider that fits your trip length, data needs, and budget. Prioritize options that offer:

  • English-speaking customer support.
  • Transparent pricing with no hidden fees.
  • Fast, reliable connection with local Japanese networks (docomo & au) — better than slower foreign roaming eSIMs.
Want to know the difference? Read our blog on Foreign vs. Local Japan eSIM to see why choosing a local eSIM makes all the difference.

2. Check if Your Phone Supports eSIM

  • iPhone:

Go to Settings → General → About → Look for EID

  • Android: 

Go to Settings → About Phone → Look for EID

Click here for help finding your EID.

3. Purchase Your eSIM Online

Visit the provider’s website, select your plan, and enter your payment info. You’ll usually receive your eSIM QR code within minutes.

4. Scan the QR Code to Install and Activate

Make sure your device is connected to WiFi before starting setup.

  • iPhone Setup: 
  1. Turn off any active eSIMs (if applicable)
  2. Connect to WiFi
  3. Go to Settings → Mobile Data → Add eSIM
  4. Scan the QR code and install the eSIM profile
  • Android Setup: 
  1. Turn off any active eSIMs (if applicable)
  2. Connect to WiFi
  3. Go to Settings → Network & Internet → SIMs
  4. Scan QR code and install the eSIM profile
  5. (May need) Input APN settings

✅You’re now ready to use mobile data across Japan!

Install Sakura Mobile’s eSIM in under 5 minutes — No Japanese required.

Buy Now➡️

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How Much Does a Japan eSIM Cost?

eSIM prices vary based on the duration, data amount, and speed. here’s a general breakdown:

  • 3-7 Days: 1,980~3,850 JPY
  • 8-15 Days: 1,275~8,250 JPY
  • 30+ Days: 2,250~26,400 JPY

Looking for Unlimited Data While Traveling in Japan? 

Most eSIMs have limits or slowdowns. Sakura Mobile’s Truly Unlimited 5G Travel eSIM is perfect for short-term visitors who need speed:

Unlimited high-speed 5G data — with no slowdowns
No FUP (Fair Usage Policy) limits
✅Runs on Japan’s fast and reliable au network.
✅Built for short-term stays and tourists
✅Great for streaming, video calls, and hotspot use

Get Your Unlimited Japan eSIM Now → 

ProviderPlan TypeDurationDataPriceEnglish SupportNetworkNotes
Sakura MobileLocal eSIM30 daysUnlimited (5G)¥14,850✅Full SupportKDDI auFast, stable local network; no throttling or surprise charges
Sakura MobileLocal eSIM30 daysUnlimited (4G)
*FUP
¥9,900✅Full SupportNTT docomoFast, stable local network; no surprise charges;
*3GB/day due to Fair Usage Policy
AT&TForeign eSIM (Roaming)30 daysDepends on plan$120
(~¥17,494)
Limited support for Japan-specific network issuesNTT docomoUses Japanese networks; may slow if domestic plan throttles; $12/day adds up quickly.
Other Foreign eSIM providerForeign eSIM (Roaming)30 daysUnlimited
*FUP
¥11,200Yes, depending on the providerSoftBank, or KDDI, NTT docomoUnlimited data; *speeds may be capped after 60GB usage due to FUP
Other Japanese eSIM ProviderLocal/Roaming eSIM30 daysUnlimited
*FUP
$79
(~¥11,517)
Yes, depending on the providerSoftBank or KDDI, NTT docomoUnlimited data; *speeds may be capped after 1~3 GB/day usage due to FUP; no refunds after activation

Compare eSIM Plans → Get the best deal for your trip

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FAQs About Buying a Japan eSIM

1. Can I use eSIM if I arrive in Japan late at night?

Yes! eSIMs are digital — you can activate yours anytime, 24/7.

2. What if I don’t speak Japanese? 

Don’t worry. Choose a provider with English support like Sakura Mobile!

3. Does eSIM work on all phones? 

Not all phones are compatible. Most newer iPhones, Samsung, Pixel and Xiaomi devices support eSIM. Check your phone’s settings or our compatibility list

4. Is eSIM reliable in rural areas?

Yes, if your provider uses a major network like NTT docomo. 

5. Can I extend my plan or top up? 

It depends on the provider and type of eSIM plan you choose.

For example, with Sakura Mobile:

  • 5G Unlimited Plans

❌Extensions and top-ups are not available. Once the plan expires, you’ll need to buy a new eSIM.

  • 4G Fixed Data Plans

✅Extensions and top-ups are available. If you run out of data or extend your trip, you can easily add more.

6. Where to buy eSIM for iPhone in Japan?

Online! Sakura Mobile and other providers support iPhones from XR and newer.

7. Are eSIMs better than SIM cards? 

For travelers with eSIM compatible phones—yes. It offers convenience and speed, without waiting in lines or waiting for deliveries. 

8. Can I use multiple eSIMs on one device? 

It depends on the device. Some devices support dual SIM functionality, allowing for the use of two eSIMs or a physical SIM and eSIM at the same time.

9. Can I use my Japan eSIM for hotspot?

Yes—with Sakura Mobile’s eSIM, hotspot usage is supported.

10. Can I reinstall my eSIM if I delete profile from phone? 

Unfortunately, you cannot re-install the eSIM once you delete it. If you do, please contact your provider as soon as possible.

Still have questions? Check out our FAQ page for more helpful answers:

FAQ Page

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Why Sakura Mobile is the Trusted eSIM for Japan Travelers

Why travelers choose Sakura Mobile: 

✅Japan-based team with English-speaking support.
✅Instant QR code delivery via email.
✅Plans built for tourists, students, and digital nomads.
✅Ready to use the moment you land
✅eSIM compatibility insurance to ensure you are connected in Japan
✅Powered by NTT docomo — Japan’s widest and most reliable network.
✅10+ years in the industry, trusted by over 400,000 users
✅Rated 4.5+ stars across Trustpilot, Google, Yotpo, and more!

TRAVELER TESTIMONIALS

Join thousands of happy travelers➡️ Buy eSIM now!

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Plan Your Trip with Confidence

Whether you’re visiting Japan for the food, shopping, or work, staying connected shouldn’t be a hassle. Buy your eSIM ahead of time, and explore Japan worry-free.

Sakura Mobile Travel eSIM

Ready to Buy Your eSIM for Japan?

Skip the airport stress and start your trip with instant, reliable data — powered by Japan’s top networks.

Sakura Mobile’s new 5G Travel eSIM is a top choice for Japan travelers in 2025 — and it’s easy to see why:

✅Truly Unlimited 5G data with no slowdowns from FUP
✅Instant delivery and setup in under 5 minutes
✅Full English support before and throughout your trip
✅Works anywhere in Japan from the moment you land

✈️Travel smarter to Japan. Sakura Mobile’s 5G eSIM — our latest product that’s quickly winning over travelers from around the world.

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