🇯🇵 Japan eSIM

Currency:

Japan operates at a frequency unlike anywhere else — a country of extraordinary contradictions where ancient Shinto shrines sit beside glass towers, sushi masters devote lifetimes to a single fish, bullet trains run with sub-minute punctuality, and cherry blossoms trigger a national reimagining of beauty each spring. Tokyo is simultaneously the world's largest city and perhaps its most efficiently organised; Kyoto preserves 17 UNESCO World Heritage temples and shrines within a city that functions as normal; Osaka's food culture has elevated eating into a competitive sport; and the Japanese Alps, Hokkaido's wilderness, and the traditional inn (ryokan) culture offer entirely different layers. NTT Docomo, SoftBank, and au deliver some of the world's fastest 4G/5G.

Japan eSIM plans

Fixed plans

Data	Validity	Price
1 GB	7 days	3.99USD	Buy Now
2 GB	15 days	5.49USD	Buy Now
3 GB	30 days	6.99USD	Buy Now
5 GB	30 days	9.99USD	Buy Now
10 GB	30 days	14.99USD	Buy Now
20 GB	30 days	26.99USD	Buy Now
50 GB	45 days	66.99USD	Buy Now
100 GB	70 days	133.49USD	Buy Now
200 GB	90 days	251.49USD	Buy Now

Day Plans (Unlimited Essential)

Data	Validity	Price
Unlimited	1 days	5.99USD	Buy Now
Unlimited	3 days	10.99USD	Buy Now
Unlimited	5 days	17.49USD	Buy Now
Unlimited	7 days	23.99USD	Buy Now
Unlimited	10 days	32.99USD	Buy Now
Unlimited	15 days	47.99USD	Buy Now

Prefer an app? eSIM Finder is free for iPhone and Android.

Payment process

After you tap “Buy Now”, a secure checkout opens on breezesim.com to complete your purchase.

More details on data plan

Data only — no SMS or voice calls included.
eSIM-compatible device required (dial *#06# on your smartphone to check).
Your device must be network-unlocked.
Keep your primary number — no SIM card swapping.
Get your eSIM instantly and install it in seconds: a one-click install on iOS or a quick QR code scan on Android.
Ready to roam? Just toggle data roaming on and go!
Need help? Check out the video guides on the eSIM Finder YouTube channel.

Speeds provided with plan

Fixed: High-speed data up to 5G where available. A set amount of GB to use over a selected number of days — not per day.
Day Plans (Unlimited Essential): 1 GB full-speed data every 24 hours. After that, speed is reduced until the next 24-hour reset.
Premium Unlimited: Currently not available.

Network coverage

NTT Docomo, SoftBank, au (KDDI), Rakuten Mobile

Tip: Japan's 4G/5G coverage is extraordinary — cities, rural areas, mountain towns, and most shinkansen routes have consistent high-speed signal. Very remote backcountry hiking (deep Japanese Alps) may have brief dead zones.

Where coverage thins out: Cherry blossom and autumn foliage seasons are extremely popular — accommodation books up months in advance. Some remote mountain trails have brief signal gaps.

When to go and where

Travel season

March to May (cherry blossom); September to November (autumn leaves); January to February (Hokkaido snow)

Golden Week (late April–early May) and Obon (mid-August) are peak domestic travel periods — trains and popular sites are at maximum capacity.

Popular areas

Tokyo, Kyoto, Osaka, Hiroshima, Nara, Hakone, Hokkaido, Kanazawa, Okinawa, Japanese Alps (Tateyama, Kamikochi)

Who it suits

culture enthusiasts, foodies, tech travelers, anime fans, nature lovers, skiers, photographers, hikers

How it works

Choose your Japan plan and pay.

Scan the QR code or install the eSIM in seconds.

Land, connect automatically, and you're online.

First time using an eSIM? Follow our step-by-step travel eSIM setup guide.

Considering Unlimited Essential? See what happens after 1 GB of full-speed data in 24 hours.

Frequently asked questions

The Japan Rail Pass (buy before arriving) covers most shinkansen and JR trains — essential for multi-city travel. IC cards (Suica, Pasmo) handle local metro and buses. Apps like Google Maps work excellently for navigation.

Ramen in a standing bar, omakase sushi at the counter, Osaka takoyaki and okonomiyaki, Kyoto kaiseki multi-course cuisine, Hokkaido seafood, Japanese convenience store onigiri — Japan rewards eating at every price point.

Late March to mid-April in Tokyo and Kyoto; later (mid-April to early May) in Tohoku and Hokkaido. Exact dates vary by 2-3 weeks depending on winter temperatures. Japan Meteorological Corporation forecasts are very accurate.

Less so than its reputation — the weak yen has made Japan outstanding value for many visitors. Mid-range restaurants deliver extraordinary quality for very reasonable prices. Accommodation ranges from budget capsule hotels to extravagant ryokan.

Get the eSIM Finder app

Compare and buy eSIMs for 190+ destinations from your phone.

Regional eSIMs covering Japan

Global

Travelling often?

Travel Pass