🇯🇵
Best eSIM for Japan in 2026
Top 19 plans compared from 5 providers
Best Overall
AiraloAiralo — Moshi Moshi 5GB
5GB · 30 days · Data only
$9.00$1.80/GB
We recommend Airalo for Japan because they partner with NTT Docomo — the fastest and most reliable network in the country. The 5GB/30-day plan offers excellent value for most travelers, covering maps, messaging, and social media for a full trip.
Get This PlanBest Budget
Saily — Japan 1GB
$3.991GB · 7 days
Saily's 1GB plan is the cheapest way to stay connected in Japan for a short trip. Enough for maps and messaging if you rely on hotel WiFi for heavier use.
Get This PlanAll Plans for Japan
Sort:
| Provider | Plan | Data | Days | Price | $/GB | Actions |
|---|---|---|---|---|---|---|
Saily | Japan 1GB | 1GB | 7 | $3.99 | $3.99 | Get Plan |
Nomad | Japan Lite | 1GB | 7 | $4.00 | $4.00 | Get Plan |
Airalo | Moshi Moshi 1GB | 1GB | 7 | $4.50 | $4.50 | Get Plan |
BreezeSIM | Japan Breeze 3GB | 3GB | 15 | $5.50 | $1.83 | Get Plan |
Airalo | Moshi Moshi 3GB | 3GB | 15 | $6.00 | $2.00 | Get Plan |
Saily | Japan 3GB | 3GB | 30 | $6.99 | $2.33 | Get Plan |
Nomad | Japan Standard | 3GB | 15 | $7.00 | $2.33 | Get Plan |
Airalo | Moshi Moshi 5GB | 5GB | 30 | $9.00 | $1.80 | Get Plan |
BreezeSIM | Japan Breeze 5GB | 5GB | 30 | $9.50 | $1.90 | Get Plan |
Nomad | Japan Plus | 5GB | 30 | $10.00 | $2.00 | Get Plan |
Saily | Japan 5GB | 5GB | 30 | $10.99 | $2.20 | Get Plan |
BreezeSIM | Japan Breeze 10GB | 10GB | 30 | $15.00 | $1.50 | Get Plan |
Airalo | Moshi Moshi 10GB | 10GB | 30 | $16.00 | $1.60 | Get Plan |
Saily | Japan 10GB | 10GB | 30 | $16.99 | $1.70 | Get Plan |
Holafly | Japan Unlimited 5D | Unlimited | 5 | $19.00 | — | Get Plan |
Airalo | Moshi Moshi 20GB | 20GB | 30 | $26.00 | $1.30 | Get Plan |
Holafly | Japan Unlimited 10D | Unlimited | 10 | $34.00 | — | Get Plan |
Holafly | Japan Unlimited 15D | Unlimited | 15 | $44.00 | — | Get Plan |
Holafly | Japan Unlimited 30D | Unlimited | 30 | $54.00 | — | Get Plan |
Frequently Asked Questions
Do I need an eSIM for Japan?
Yes, an eSIM is the easiest way to get mobile data in Japan. Japan has excellent 4G/5G coverage nationwide, and an eSIM lets you connect instantly upon arrival without finding a SIM shop.
How much data do I need in Japan?
For a 1-2 week trip, 5-10GB is plenty for maps, messaging, and social media. If you plan to stream video or work remotely, consider an unlimited plan from Holafly.
Which eSIM provider is best for Japan?
We recommend Airalo for Japan — they use NTT Docomo's network, the fastest and most reliable in the country, with competitive pricing starting at $4.50 for 10GB.
Can I make calls with a Japan eSIM?
Most travel eSIMs are data-only. You can make calls using apps like WhatsApp, FaceTime, or Skype over your data connection. Holafly offers some plans with calling included.
How do I activate my Japan eSIM?
Download your eSIM before departure. Most providers let you install the eSIM profile via QR code. Activate it when you land in Japan — you'll be connected within minutes.
Going somewhere else too?
Compare Another Country
Search or pick from popular destinations