Japan eSIM for 7 Days — Cheapest Plans Compared (August 2026)
28 of the 41 eSIM plans we track for Japan stay valid for 7 days or longer, across 2 sellers. The cheapest is $7.00 for 3 GB over 7 days from Jetpac. The best value per GB is 40 GB for $34.99 from Jetpac — $0.87 per GB over 30 days. 9 of the 28 sell unlimited data and have no cost per GB; the cheapest of those is $26.99 for 7 days from Jetpac.
Which eSIM is cheapest for 7 days in Japan?
28 of the 41 eSIM plans we track for Japan stay valid for 7 days or longer, across 2 sellers. The cheapest is $7.00 for 3 GB over 7 days from Jetpac. The best value per GB is 40 GB for $34.99 from Jetpac — $0.87 per GB over 30 days. 9 of the 28 sell unlimited data and have no cost per GB; the cheapest of those is $26.99 for 7 days from Jetpac. Prices checked 23 Aug 2026.
Metered plans covering 7 days, cheapest per GB first
| Seller | Data | Valid | Price | Per GB | |
|---|---|---|---|---|---|
| Jetpac | 40 GB | 30 days | $34.99 | $0.87 | View plan |
| Jetpac | 30 GB | 30 days | $29.99 | $1.00 | View plan |
| Jetpac | 15 GB | 7 days | $16.00 | $1.07 | View plan |
| Airalo | 20 GB | 15 days | $24.00 | $1.20 | View plan |
| Airalo | 20 GB | 30 days | $25.00 | $1.25 | View plan |
| Jetpac | 10 GB | 7 days | $13.00 | $1.30 | View plan |
| Jetpac | 15 GB | 30 days | $21.00 | $1.40 | View plan |
| Jetpac | 10 GB | 30 days | $16.00 | $1.60 | View plan |
| Jetpac | 5 GB | 7 days | $8.00 | $1.60 | View plan |
| Airalo | 10 GB | 7 days | $17.00 | $1.70 | View plan |
| Airalo | 10 GB | 15 days | $17.50 | $1.75 | View plan |
| Airalo | 10 GB | 30 days | $18.00 | $1.80 | View plan |
| Airalo | 5 GB | 7 days | $10.00 | $2.00 | View plan |
| Jetpac | 20 GB | 30 days | $40.00 | $2.00 | View plan |
| Jetpac | 5 GB | 30 days | $10.00 | $2.00 | View plan |
| Airalo | 5 GB | 15 days | $10.50 | $2.10 | View plan |
| Airalo | 5 GB | 30 days | $11.00 | $2.20 | View plan |
| Jetpac | 3 GB | 7 days | $7.00 | $2.33 | View plan |
| Airalo | 3 GB | 7 days | $8.00 | $2.67 | View plan |
Unlimited-data plans covering 7 days, cheapest first
An unlimited plan has no gigabyte count to divide its price by, so it has no cost per GB and is given none here. These 9 plans are ranked by price instead, and left out of the per-GB ranking above.
| Seller | Data | Valid | Price | Per GB | |
|---|---|---|---|---|---|
| Jetpac | Unlimited | 7 days | $26.99 | — | View plan |
| Airalo | Unlimited | 7 days | $27.00 | — | View plan |
| Jetpac | Unlimited | 10 days | $33.99 | — | View plan |
| Airalo | Unlimited | 10 days | $34.50 | — | View plan |
| Jetpac | Unlimited | 15 days | $41.99 | — | View plan |
| Airalo | Unlimited | 15 days | $48.00 | — | View plan |
| Jetpac | Unlimited | 21 days | $49.99 | — | View plan |
| Jetpac | Unlimited | 30 days | $65.99 | — | View plan |
| Airalo | Unlimited | 30 days | $69.00 | — | View plan |
Other trip lengths for Japan
Prices collected directly from each seller and shown in USD. A plan is listed here when its validity reaches 7 days, so longer plans appear too — they cover the trip. Sellers price by the buyer's country, so your checkout total can differ. Price checked: 23 Aug 2026.