eSIM Plans for Japan
Stay connected from Tokyo to Osaka with reliable 4G/5G coverage across all major cities and rural areas.
Compare Japan eSIM Plans
| Provider | Data | Duration | Price | Per GB | Hotspot | Network / notes | Action |
|---|---|---|---|---|---|---|---|
Saily | 1 GB | 7 days | $3.99 | $3.99 | Not stated | Get Plan | |
Airalo | 1 GB | 3 days | $4.00 | $4.00 | Not stated | SoftBank + KDDITop-up | Get Plan |
Nomad | 1 GB | 7 days | $4.00 | $4.00 | Unrestricted | Top-up | Get Plan |
Saily | 3 GB | 30 days | $7.99 | $2.66 | Not stated | Get Plan | |
Nomad Best Value | 5 GB | 30 days | $10.00 | $2.00 | Unrestricted | Top-up | Get Plan |
Saily | 5 GB | 30 days | $10.99 | $2.20 | Not stated | Get Plan | |
Airalo | 5 GB | 30 days | $11.00 | $2.20 | Not stated | SoftBank + KDDITop-up | Get Plan |
Nomad | 10 GB | 30 days | $16.00 | $1.60 | Unrestricted | Top-up | Get Plan |
Saily | 10 GB | 30 days | $17.99 | $1.80 | Not stated | Get Plan | |
Airalo | 10 GB | 30 days | $18.00 | $1.80 | Not stated | SoftBank + KDDITop-up | Get Plan |
Nomad Cheapest Unlimited | Unlimited 2 GB/day at full speed, then slowed | 7 days | $25.00 | $3.57/day | Unrestricted | Get Plan | |
Airalo Airalo raised Japan unlimited pricing in early 2026 | Unlimited 3 GB/day at full speed, then slowed | 7 days | $27.00 | $3.86/day | Not stated | Get Plan | |
Holafly Holafly sells any exact length from 1 to 30 days | Unlimited | 7 days | $27.50 | $3.93/day | 1 GB/day | Get Plan | |
Saily Fair-use: 5 GB/day at full speed, then reduced to ~1 Mbps | Unlimited 5 GB/day at full speed, then slowed | 7 days | $28.99 | $4.14/day | Not stated | Get Plan | |
Holafly Holafly sells any exact length from 1 to 30 days | Unlimited | 15 days | $50.50 | $3.37/day | 1 GB/day | Get Plan |
2 GB/day at full speed, then slowed
Get This PlanAiralo raised Japan unlimited pricing in early 2026
3 GB/day at full speed, then slowed
Get This PlanHolafly sells any exact length from 1 to 30 days
Fair-use: 5 GB/day at full speed, then reduced to ~1 Mbps
5 GB/day at full speed, then slowed
Get This PlanHolafly sells any exact length from 1 to 30 days
All prices are provider list prices in USD, last verified on September 4, 2026. Price per GB is calculated from the price and included data. Hotspot shows “Not stated” when the provider does not publish a tethering policy — we don’t guess. Providers change pricing frequently and may run promotions, so always confirm the final price at checkout.
Prices, data allowances and availability are checked regularly but may change without notice — always confirm the final price on the provider's site. Navi earns a commission when you buy through some of the links on this page, at no extra cost to you.
Tips for Japan
Before You Go
- • Check your phone supports eSIM (most phones from 2020+)
- • Purchase and install your eSIM before departure
- • Keep your home SIM active for verification codes
On Arrival
- • Activate your eSIM once you land
- • Set the eSIM as your primary data line
- • Turn off data roaming on your home SIM
Japan eSIM Guides & Reviews
Dig deeper before you buy — provider reviews, setup walkthroughs and destination guides from the Navi blog.
Best eSIM for Japan 2026 — Compared
Compare the top eSIM providers for Japan including Airalo, Holafly, and Nomad. Find the cheapest unlimited data plans for your trip to Tokyo, Osaka, and beyond.
Read guideeSIM for Japan, Thailand & Dubai: Ultimate Guide for 2026 Travelers
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Read guideAiralo vs Holafly: Which eSIM Provider is Better in 2026?
Detailed comparison of Airalo and Holafly — the two most popular travel eSIM providers. Compare pricing, coverage, data limits, customer support, and real user experiences.
Read guideHow to Set Up an eSIM on iPhone & Android (Step-by-Step Guide)
Complete guide to installing and activating an eSIM on your iPhone or Android phone. Works with Airalo, Holafly, Nomad, and all major eSIM providers.
Read guideFrequently Asked Questions — Japan eSIM
What is the best eSIM for Japan in 2026?▼
The best eSIM for Japan depends on your needs. Saily is the cheapest entry point at $3.99 for 1GB/7 days, Nomad offers the best mid-size value at $10 for 5GB/30 days, and for unlimited data Nomad ($25 for 7 days) undercuts Airalo ($27) and Holafly ($27.50). Prices are provider list prices and change often.
Does eSIM work everywhere in Japan?▼
Yes, eSIM plans for Japan typically use major networks like NTT Docomo, SoftBank, or KDDI which provide excellent 4G/5G coverage across all major cities, rural areas, and even on bullet trains (Shinkansen).
How do I activate my Japan eSIM?▼
Most Japan eSIMs can be installed before your trip by scanning a QR code. Once you land in Japan, simply enable the eSIM in your phone settings and it will connect automatically. No physical SIM swap needed.
Can I use an eSIM for calls in Japan?▼
Most travel eSIMs are data-only, meaning they provide internet access but not a local phone number. You can make calls using apps like WhatsApp, LINE, or Skype over your data connection.
How much data do I need for a trip to Japan?▼
For a typical 7-day trip, 3-5GB is sufficient for navigation, social media, and messaging. If you plan to stream video or work remotely, consider an unlimited data plan.
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