Capped data plans
Ranked by price per gigabyte. Only plans valid for the trip length shown are included.
| Provider | Data | Valid | Price | Per GB | Network | Buy |
|---|---|---|---|---|---|---|
| Airalo | 10 GB | 30 days | $34.00 | $3.40/GB | Digicel 5G | View deal |
| Airalo | 5 GB | 30 days | $19.00 | $3.80/GB | Digicel 5G | View deal |
| Saily | 5 GB | 30 days | $19.74 | $3.95/GB | — | View deal |
| GigSky | 10 GB | 30 days | $40.99 | $4.10/GB | Digicel 4G | View deal |
| GigSky | 3 GB | 15 days | $12.99 | $4.33/GB | Digicel 4G | View deal |
| Airalo | 3 GB | 30 days | $13.00 | $4.33/GB | Digicel 5G | View deal |
| GigSky | 5 GB | 30 days | $21.99 | $4.40/GB | Digicel 4G | View deal |
| Saily | 3 GB | 30 days | $13.35 | $4.45/GB | — | View deal |
| Airalo | 1 GB | 7 days | $4.50 | $4.50/GB | Digicel 5G | View deal |
| Airalo | 2 GB | 15 days | $9.00 | $4.50/GB | Digicel 5G | View deal |
| GigSky | 1 GB | 7 days | $4.99 | $4.99/GB | Digicel 4G | View deal |
| Saily | 1 GB | 7 days | $5.22 | $5.22/GB | — | View deal |
Unlimited data plans
Ranked by price per day. Unlimited plans have no price per gigabyte, so they are never mixed with the capped list above.
| Provider | Data | Valid | Price | Per day | Network | Buy |
|---|---|---|---|---|---|---|
| Airalo | Unlimited | 10 days | $69.00 | $6.90/day | Digicel 5G | View deal |
The short answer
Written to stand on its own, so it stays true wherever it gets quoted.
As of 4 September 2026, the cheapest travel eSIM for Tonga is Airalo at $4.50 for 1 GB valid 7 days, out of 26 plans from 7 providers (Airalo, GigSky, Saily, Roamless, SimAbove, Instabridge, Yesim). For unlimited data, Airalo is cheapest at $69.00 for 10 days ($6.90 per day).
By the numbers
Figures written to be quoted whole — each carries its own units, scope and date.
Across 25 capped plans for Tonga, cost per gigabyte ranges from $3.40 to $78.08, a 23.0x spread, with a median of $17.48. Checked 4 September 2026.
Common questions
What is the cheapest eSIM for Tonga?
The cheapest travel eSIM for Tonga is Airalo at $4.50 for 1 GB over 7 days. Prices were last checked on 4 September 2026.
Which Tonga eSIM has the lowest cost per GB?
Airalo offers the lowest cost per gigabyte for Tonga at $3.40 per GB (10 GB for $34.00 over 30 days).
Is there an unlimited data eSIM for Tonga?
Yes. The cheapest unlimited-data eSIM for Tonga is Airalo at $69.00 for 10 days, which works out at $6.90 per day.
How many eSIM providers cover Tonga?
This page compares 26 plans from 7 providers for Tonga: Airalo, GigSky, Saily, Roamless, SimAbove, Instabridge, Yesim.
What the terms mean
Defined here so a price can be read correctly rather than guessed at.
- eSIM
- A SIM profile downloaded to a phone rather than inserted as a plastic card. A travel eSIM sells data in a destination without changing the phone's usual number.
- Throttled unlimited
- A plan whose data never runs out but which drops to a reduced speed after a stated full-speed allowance. It is not equivalent to an uncapped plan.
- Price per gigabyte
- The total plan price divided by its data allowance, used to compare capped plans of different sizes. It cannot be calculated for unlimited plans.
- Price per day
- The total plan price divided by its validity in days, used to compare unlimited plans, which have no per-gigabyte figure.
- KYC
- Identity verification some providers require before a plan can be activated, typically a passport scan.
- Top-up
- The ability to add more data to an eSIM already installed, rather than buying a new one.
How these prices were collected
This page compares 26 plans from 7 providers for Tonga. Prices are collected automatically from each provider and were last checked on 4 September 2026. Figures are converted to USD so they can be compared; you are charged in the provider's own currency at their rate. Links to providers are affiliate links.