Airalo vs Jetpac for Japan eSIM — Price per GB Compared (August 2026)
Airalo lists 17 plans for Japan and Jetpac lists 24. 6 plans match on both data allowance and validity, which is the only basis on which a gap is a price difference rather than a duration difference. Jetpac is cheaper on 5 of them, Airalo on 1. 6 unlimited plans match on validity alone, because an unlimited plan carries no gigabyte allowance to match — Jetpac is cheaper on 4, Airalo on 2. The widest gap is 20 GB over 30 days: $25.00 at Airalo against $40.00 at Jetpac, $15.00 apart in Airalo's favour. Across every metered plan each one sells, Airalo's best value is $1.20 per GB (20 GB for $24.00 over 15 days) and Jetpac's best value is $0.87 per GB (40 GB for $34.99 over 30 days).
Is Airalo or Jetpac cheaper for a Japan eSIM?
Airalo lists 17 plans for Japan and Jetpac lists 24. 6 plans match on both data allowance and validity, which is the only basis on which a gap is a price difference rather than a duration difference. Jetpac is cheaper on 5 of them, Airalo on 1. 6 unlimited plans match on validity alone, because an unlimited plan carries no gigabyte allowance to match — Jetpac is cheaper on 4, Airalo on 2. The widest gap is 20 GB over 30 days: $25.00 at Airalo against $40.00 at Jetpac, $15.00 apart in Airalo's favour. Across every metered plan each one sells, Airalo's best value is $1.20 per GB (20 GB for $24.00 over 15 days) and Jetpac's best value is $0.87 per GB (40 GB for $34.99 over 30 days). Prices checked 23 Aug 2026.
Same data, same validity — what each one charges
| Data | Valid | Airalo | Jetpac | Difference | Cheaper |
|---|---|---|---|---|---|
| 20 GB | 30 days | $25.00 | $40.00 | $15.00 | Airalo |
| 10 GB | 30 days | $18.00 | $16.00 | $2.00 | Jetpac |
| 10 GB | 7 days | $17.00 | $13.00 | $4.00 | Jetpac |
| 5 GB | 30 days | $11.00 | $10.00 | $1.00 | Jetpac |
| 5 GB | 7 days | $10.00 | $8.00 | $2.00 | Jetpac |
| 3 GB | 7 days | $8.00 | $7.00 | $1.00 | Jetpac |
Unlimited-data plans, matched on validity
An unlimited plan carries no gigabyte allowance, so these rows are matched on validity alone and carry no cost per GB. Fair-use throttling differs between sellers and is not something we measure.
| Data | Valid | Airalo | Jetpac | Difference | Cheaper |
|---|---|---|---|---|---|
| Unlimited | 30 days | $69.00 | $65.99 | $3.01 | Jetpac |
| Unlimited | 15 days | $48.00 | $41.99 | $6.01 | Jetpac |
| Unlimited | 10 days | $34.50 | $33.99 | $0.51 | Jetpac |
| Unlimited | 7 days | $27.00 | $26.99 | $0.01 | Jetpac |
| Unlimited | 5 days | $17.00 | $19.99 | $2.99 | Airalo |
| Unlimited | 3 days | $11.50 | $12.99 | $1.49 | Airalo |
Each seller's Japan range, side by side
| Airalo | Jetpac | |
|---|---|---|
| Plans tracked | 17 | 24 |
| Metered (has a cost per GB) | 11 | 17 |
| Unlimited (no cost per GB) | 6 | 7 |
| Cheapest plan | $4.00 | $5.00 |
| Best value per GB | $1.20 | $0.87 |
Japan eSIMs by trip length
Prices collected directly from both sellers and shown in USD. A row appears in the like-for-like table only when both sellers list the same data allowance for the same number of days; unlimited plans have no allowance to match, so they are matched on validity alone in a table of their own. Plans only one of them sells are counted in the range table but cannot be given a gap. Every price links to that seller's own page for that plan. Sellers price by the buyer's country, so your checkout total can differ. Price checked: 23 Aug 2026.