Unlimited data eSIM for Japan
On 10 Nov 2026, the cheapest unlimited eSIM for Japan was Nomad at $11.00 for 3 days. The lowest cost per day was Airalo at $2.30 a day on its 30 days plan. For a week, Nomad charged $25.00.
JP17 unlimited plansPrices in US dollars
Prices as of 10 Nov 2026, 01:30 UTCread from 4 provider pageshow we check
What happens after heavy use?
- Airalo
- 3 GB a day at full speed, then 1 Mbps$2.30 a day · 6 unlimited plans
- Holafly
- No daily limit stated on the price page$2.46 a day · 6 unlimited plans
- Nomad
- 2 GB a day at full speed, then 1 Mbps$2.33 a day · 4 unlimited plans
- Saily
- 5 GB a day at full speed, then 1 Mbps$3.27 a day · 1 unlimited plans
Every unlimited plan for Japan
See all 39 Japan plans, including fixed-data options that are often cheaper.
TripDataProviderShowing 17 of 17 plans
| Provider | |||||
|---|---|---|---|---|---|
| Nomad | Unlimited3 days2 GB a day at full speed, then 1 Mbps | 3 days | $11.00 | ∞ | Open plan |
| Airalo | Unlimited3 days3 GB a day at full speed, then 1 Mbps | 3 days | $11.50 | ∞ | Open plan |
| Holafly | Unlimited3 daysNo daily limit stated on the price page | 3 days | $11.90 | ∞ | Open plan |
| Airalo | Unlimited5 days3 GB a day at full speed, then 1 Mbps | 5 days | $17.00 | ∞ | Open plan |
| Holafly | Unlimited5 daysNo daily limit stated on the price page | 5 days | $20.50 | ∞ | Open plan |
| Nomad | Unlimited7 days2 GB a day at full speed, then 1 Mbps | 7 days | $25.00 | ∞ | Open plan |
| Airalo | Unlimited7 days3 GB a day at full speed, then 1 Mbps | 7 days | $26.50 | ∞ | Open plan |
| Holafly | Unlimited7 daysNo daily limit stated on the price page | 7 days | $27.50 | ∞ | Open plan |
| Airalo | Unlimited10 days3 GB a day at full speed, then 1 Mbps | 10 days | $34.50 | ∞ | Open plan |
| Holafly | Unlimited10 daysNo daily limit stated on the price page | 10 days | $36.50 | ∞ | Open plan |
| Nomad | Unlimited14 days2 GB a day at full speed, then 1 Mbps | 14 days | $41.00 | ∞ | Open plan |
| Airalo | Unlimited15 days3 GB a day at full speed, then 1 Mbps | 15 days | $48.00 | ∞ | Open plan |
| Saily | Unlimited15 days5 GB a day at full speed, then 1 Mbps | 15 days | $48.99 | ∞ | Open plan |
| Nomad | Unlimited21 days2 GB a day at full speed, then 1 Mbps | 21 days | $49.00 | ∞ | Open plan |
| Holafly | Unlimited15 daysNo daily limit stated on the price page | 15 days | $50.50 | ∞ | Open plan |
| Airalo | Unlimited30 days3 GB a day at full speed, then 1 Mbps | 30 days | $69.00 | ∞ | Open plan |
| Holafly | Unlimited30 daysNo daily limit stated on the price page | 30 days | $73.90 | ∞ | Open plan |
Questions
Is unlimited data really unlimited in Japan?
Not at full speed. Where a provider states a policy, it gives a daily allowance at full speed and then slows the connection. The list above quotes each provider’s own wording.
How much is an unlimited eSIM for Japan per day?
From $2.30 a day (Airalo, 30 days plan) on 10 Nov 2026. Shorter plans cost more per day.