Cheapest eSIM for Tonga
The cheapest eSIM for Tonga right now is ByteSIM, 5 GB for 30 Days at $2.90. That is $0.58 per GB.
787 plans from 44 providers, watched and re-ranked by the real price per gigabyte. Every one is a prepaid travel eSIM for Tonga that you buy online and install before you fly, so it works the moment you land.
Swipe the table for price and verdict →
| Rank | Provider | Data | Validity | Price (USD) | Price per GB | Verdict | Get |
|---|---|---|---|---|---|---|---|
| Paid placement. It sits above the ranking and does not change it. Advertise here | SponsoredPaid placement. It sits above the ranking and does not change it. Advertise hereMegaEsim Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $31.99 | $3.20 | Sponsored | Get |
| 1 | ByteSIM | 5 GB | 30 Days | $2.90 | $0.58 | Best value | Get |
| 2 | Tourist eSIM | 20 GB | 30 Days | $15.85 | $0.79 | Good | Get |
| 3 | Yatelo Coupon: ESIMWATCHDOG |
20 GB | 30 Days | $18.32 | $0.92 | Okay | Get |
| 4 | Tourist eSIM | 10 GB | 30 Days | $10.60 | $1.06 | Okay | Get |
| 5 | GigSky | 50 GB | 90 Days | $57.99 | $1.16 | Fair | Get |
| 6 | Yatelo Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $12.16 | $1.22 | Fair | Get |
| 7 | ASIMGO Coupon: ESIMWATCHDOG10 |
20 GB | 7 Days | $25.34 | $1.27 | Fair | Get |
| 8 | ASIMGO Coupon: ESIMWATCHDOG10 |
50 GB | 20 Days | $66.79 | $1.34 | Fair | Get |
| 9 | Airalo | 50 GB | 30 Days | $72.00 | $1.44 | Fair | Get |
| 10 | Lempart Flex Coupon: ESIMWATCHDOG |
50 GB | 20 Days | $75.49 | $1.51 | Expensive | Get |
| 11 | RoameSIM Coupon: ESMWD10 |
20 GB | 30 Days | $30.94 | $1.55 | Expensive | Get |
| 12 | Lempart Flex Coupon: ESIMWATCHDOG |
30 GB | 10 Days | $46.49 | $1.55 | Expensive | Get |
| 13 | eSIMzio Coupon: WATCHDOG15 |
20 GB | 30 Days | $33.50 | $1.68 | Expensive | Get |
| 14 | eSIMzio Coupon: WATCHDOG15 |
10 GB | 30 Days | $17.50 | $1.75 | Expensive | Get |
| 15 | GigSky | 20 GB | 60 Days | $36.99 | $1.85 | Expensive | Get |
| 16 | RoameSIM Coupon: ESMWD10 |
10 GB | 30 Days | $20.00 | $2.00 | Expensive | Get |
| 17 | Airalo | 10 GB | 7 Days | $23.50 | $2.35 | Very expensive | Get |
| 18 | AlpineSIM | 20 GB | 30 Days | $53.39 | $2.67 | Very expensive | Get |
| 19 | MobiMatter Coupon: ESIMWATCHDOG |
25 GB | 90 Days | $69.99 | $2.80 | Very expensive | Get |
| 20 | Travel eSIM | 20 GB | 30 Days | $56.22 | $2.81 | Very expensive | Get |
| 21 | Travel eSIM | 10 GB | 30 Days | $28.59 | $2.86 | Very expensive | Get |
| 22 | SimSmash | 20 GB | 30 Days | $57.99 | $2.90 | Very expensive | Get |
| 23 | SimSmash | 10 GB | 30 Days | $29.99 | $3.00 | Very expensive | Get |
| 24 | AlpineSIM | 10 GB | 30 Days | $30.28 | $3.03 | Very expensive | Get |
| 25 | Wanderly Coupon: ESIMWATCHDOGWILDCARD |
10 GB | 30 Days | $31.99 | $3.20 | Very expensive | Get |
| 26 | MegaEsim Coupon: SUMMER10 |
10 GB | 30 Days | $31.99 | $3.20 | Very expensive | Get |
| 27 | Connect Me Guru Coupon: hello-saun |
10 GB | 30 Days | $32.20 | $3.22 | Very expensive | Get |
| 28 | MegaEsim Coupon: SUMMER10 |
20 GB | 30 Days | $64.99 | $3.25 | Very expensive | Get |
| 29 | Connect Me Guru Coupon: hello-saun |
20 GB | 30 Days | $65.75 | $3.29 | Very expensive | Get |
| 30 | Wanderly Coupon: ESIMWATCHDOGWILDCARD |
20 GB | 30 Days | $65.99 | $3.30 | Very expensive | Get |
| 31 | Saily Coupon: ESIMWATCHDOG |
3 GB | 30 Days | $9.99 | $3.33 | Very expensive | Get |
| 32 | eSIM Hero | 10 GB | 30 Days | $34.25 | $3.42 | Very expensive | Get |
| 33 | AirPlans Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $34.36 | $3.44 | Very expensive | Get |
| 34 | eSIM Hero | 20 GB | 30 Days | $69.75 | $3.49 | Very expensive | Get |
| 35 | eSIMfly | 10 GB | 30 Days | $37.06 | $3.71 | Very expensive | Get |
| 36 | AirPlans Coupon: ESIMWATCHDOG |
5 GB | 30 Days | $18.83 | $3.77 | Very expensive | Get |
| 37 | Gigago | 10 GB | 30 Days | $37.90 | $3.79 | Very expensive | Get |
| 38 | eSIMfly | 20 GB | 30 Days | $76.15 | $3.81 | Very expensive | Get |
| 39 | Saily Coupon: ESIMWATCHDOG |
1 GB | 7 Days | $3.99 | $3.99 | Very expensive | Get |
| 40 | Gigago | 5 GB | 30 Days | $20.00 | $4.00 | Very expensive | Get |
| 41 | MobiMatter Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $39.99 | $4.00 | Very expensive | Get |
| 42 | CloudOn | 10 GB | 30 Days | $40.99 | $4.10 | Very expensive | Get |
| 43 | Lumbus Coupon: ESIMWATCHDOG10 |
20 GB | 30 Days | $85.99 | $4.30 | Very expensive | Get |
| 44 | Skyalo Coupon: ESIMWATCHDOG |
20 GB | 30 Days | $87.99 | $4.40 | Very expensive | Get |
| 45 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
10 GB | 30 Days | $44.92 | $4.49 | Very expensive | Get |
| 46 | Lumbus Coupon: ESIMWATCHDOG10 |
10 GB | 30 Days | $44.99 | $4.50 | Very expensive | Get |
| 47 | Earth Esim Coupon: ESIMWD5 |
10 GB | 30 Days | $45.00 | $4.50 | Very expensive | Get |
| 48 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
20 GB | 30 Days | $92.30 | $4.62 | Very expensive | Get |
| 49 | Soovia | 10 GB | 30 Days | $46.64 | $4.66 | Very expensive | Get |
| 50 | MyTravel eSIM | 10 GB | 30 Days | $47.71 | $4.77 | Very expensive | Get |
| 51 | Soovia | 20 GB | 30 Days | $95.83 | $4.79 | Very expensive | Get |
| 52 | Skyalo Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $47.99 | $4.80 | Very expensive | Get |
| 53 | Roamix Coupon: ESIMWATCHDOG |
10 GB | 30 Days | $48.35 | $4.83 | Very expensive | Get |
| 54 | Nomad | 10 GB | 30 Days | $49.00 | $4.90 | Very expensive | Get |
| 55 | Roamix Coupon: ESIMWATCHDOG |
20 GB | 30 Days | $98.60 | $4.93 | Very expensive | Get |
| 56 | SwipSIM | 10 GB | 30 Days | $49.49 | $4.95 | Very expensive | Get |
| 57 | Earth Esim Coupon: ESIMWD5 |
1 GB | 1 Day | $4.99 | $4.99 | Very expensive | Get |
| 58 | esim0 Coupon: WATCHDOG |
10 GB | 30 Days | $49.99 | $5.00 | Very expensive | Get |
| 59 | SwipSIM | 20 GB | 30 Days | $101.59 | $5.08 | Very expensive | Get |
| 60 | esim0 Coupon: WATCHDOG |
20 GB | 30 Days | $101.99 | $5.10 | Very expensive | Get |
351 of these 787 plans were checked against the seller's own shop on 17 October 2026. The rest come from the seller's own feed or plan pages and are not yet independently checked.
The Watchdog Pick is chosen automatically: the lowest real price per GB of the 787 plans in this view. Bulk data pools above 50 GB cannot win it, because their per GB rate only exists if you use data no traveller uses. Providers cannot pay for it, and a commission never changes the ranking. Prices are shown in USD and can change at checkout.
Price per GB counts only data you can use inside the validity, at most 3 GB a day, so a big pool on a short validity cannot buy the top spot. Every provider's best two plans come first, then the rest. A plan marked Unverified price undercuts every other provider here by more than half and waits at the end until we have checked it on the seller's site. How we rank
Unlimited rows show the daily amount at full speed. Some rows also show the speed after that amount. A row with no speed does not mean the plan stays fast, so check the plan on the seller's site.
Some links here earn us a commission. It never changes the order. How we make money The row marked Sponsored is a paid placement shown above the ranking, not part of it. Advertise here.
Crossing borders on this trip? Compare multi country Oceania eSIM plans that keep one line working across several destinations.
Cheapest eSIM for Tonga: the numbers
As of 17 October 2026, 06:01 GMT, the cheapest eSIM for Tonga is ByteSIM with 5 GB for 30 Days at $2.90. That is $0.58 per GB, the best rate of the 787 plans we compare from 44 providers. 372 support top ups. That timestamp is the exact moment of our latest price check, and the table above always shows the live order.
Which is the best eSIM for Tonga?
There is no single best eSIM for Tonga, because the right plan depends on how long you stay and how much data you use. What we can do is rank the 787 plans on the numbers, as they stand on 17 October 2026:
- Best value overall ByteSIM, 5 GB for 30 Days at $2.90. That is $0.58 per GB, the lowest real rate of every Tonga plan we track.
- Best for a short trip ASIMGO, 1 GB for 7 Days at $2.84. The cheapest ticket that still gives you at least 1 GB for a week or less.
- Highest daily cap on an unlimited plan SimSmash, 1 Day at $25.99, full speed up to 10 GB a day. Set that daily cap against the fixed plan above before you pay for the word unlimited.
None of these picks is chosen by a person. Each one is the first row of a sort on live prices, so it changes whenever a provider moves a price, and ByteSIM did not pay to be named here.
Which mobile networks does Tonga have?
The main island groups are well served on 4G. The Niuas, the remote northern group, are covered by TCC and not by Digicel, which is the single most important coverage fact in the country.
- Digicel Tonga: Digicel has upgraded more than half its sites to 4G plus, covering the main islands of Tongatapu, Vava'u and Ha'apai, but does not reach the northern Niuas group.
- Tonga Communications Corporation: TCC, whose mobile brand is U-Call, is state owned and is the network that covers all of Tonga including the northern islands.
Which network your eSIM roams onto decides whether the far northern islands work at all. TCC is the one with the full national footprint.
The eSIM plans we compare on this page connect to:
The list above is Tonga's operator market. The badges are the networks our tracked plans actually roam onto, which can be a subset of it, and the same network is sometimes sold to roaming partners under a different brand name. So a guide praising an operator you do not see badged here is describing a local SIM, not the travel eSIMs compared above.
Is 5G available in Tonga?
Both TCC and Digicel have launched commercial 5G in Tonga, which is unusual for the Pacific. Coverage is concentrated where the people are, so treat 4G as what you will actually use away from Nuku'alofa.
How much data do you need in Tonga?
Light use is about 500 MB a day. That covers maps, messages, and some browsing. Normal use with photos, social apps, and short videos runs 1 to 1.5 GB a day. Streaming and hotspot use can eat 2 to 3 GB a day. Here is what each size costs in Tonga right now:
Are unlimited eSIMs for Tonga really unlimited?
Not always. 331 of the 787 plans above are sold as unlimited, and most of them carry a daily fair use cap. A further 5 plans are unlimited in a different way: one capped speed for the whole plan, shown next to the word Unlimited in the table. For Tonga the caps we can see published are 0.5 to 10 GB a day: past that the speed drops, often to 1 Mbps or less, until the clock resets. That is fine for messages and maps, slow for video. At $0.58 per GB from ByteSIM, a fixed plan often works out cheaper than unlimited unless you genuinely burn several GB a day. That is why we rank by price per GB and not by the word on the label.
Here is what each seller on this page actually allows per day before it slows you down. No seller publishes this next to its rivals, which is exactly why it is worth showing.
Every seller that publishes a daily allowance is listed on our daily data caps page, with the cheapest plan at each one. The gap between the top and bottom of that table is the whole point. Two plans both sold as unlimited can differ several times over in what you actually get at full speed, and the cheaper one is not always the smaller allowance.
eSIM or a local SIM card at the airport in Tonga?
An eSIM is ready before you land. No queue, no shop, no handing over your passport at a counter for a tourist SIM card. Data for Tonga starts at $2.00 on this page, which is hard for airport kiosks to beat. A local SIM still makes sense if you need a local phone number or plan to stay for months. For a normal trip, the eSIM wins on price and effort.
Setting up your Tonga eSIM
Pick the plan, not the brandThe cheapest rate in Tonga today is $0.58 per GB from ByteSIM, against a median of $5.07. The QR code arrives by email within minutes of paying.
Install before you flyScan the QR code on wifi at home. Installation needs a connection, and the one thing you will not have when you land in Tonga is a working connection.
Turn it on when you landEnable the eSIM and turn on data roaming for it, then give it a minute to attach to Digicel. Expect 4G.
Know what happens when it runs out372 of the 787 plans here can be topped up, so running out is not the end of the trip. If you would rather over buy than top up, the cheapest plan with at least 5 GB is ByteSIM at $2.90.
Good to know before you land in Tonga
Tonga sits outside almost every regional plan sold as Oceania, which typically means Australia and New Zealand only. Check that Tonga is named on the plan rather than assuming a Pacific plan reaches it.
Fua'amotu International on Tongatapu is the main gateway. Install the eSIM before you fly: inter island connections leave quickly and you do not want to be sorting out connectivity between them.
Island hopping is where plans fail here. If your route includes Vava'u, Ha'apai or the Niuas, confirm the coverage on the specific islands rather than the country as a whole, and carry more data than a Tongatapu only trip would need.
Tonga Travel eSIM FAQ
Everything you need to know about using an eSIM in Tonga
What is the cheapest eSIM for Tonga?
Right now the cheapest option ranked by price per GB is ByteSIM with 5 GB for 30 Days at $2.90. That works out to $0.58 per GB. Prices change often, so the table above is re-sorted at every price check.
Which is the best eSIM for Tonga?
It depends on the trip, so we rank rather than pick a favourite. On today's prices the best value for Tonga is ByteSIM at $0.58 per GB, the lowest real rate of the 787 plans we compare. For heavy daily use there are 331 unlimited plans, most with a daily fair use cap, and they only win if you genuinely burn several GB a day. Every pick on this page is the first row of a sort on live prices. No provider can pay to be named best.
Is eSIM available in Tonga?
Yes. We track 787 prepaid travel eSIM plans from 44 providers that work in Tonga, roaming onto Digicel. You need a phone that supports eSIM and is not locked to a carrier; most iPhones from the XS onward and most flagship Android phones from 2019 on qualify.
Which networks will my eSIM connect to in Tonga?
The plans we compare connect to Digicel. The exact network depends on the plan you pick. Check the plan details before you buy if one network matters to you.
Do Tonga eSIMs support 5G?
The networks our plans use in Tonga currently run on 4G. That is enough for maps, messaging, video calls, and streaming in most cases.
Can I buy a Tonga eSIM online before I travel?
Yes, and you should. Every plan on this page is sold online and delivered by email as a QR code within minutes. Install it on wifi at home, leave the line switched off, and turn on data roaming for it when you land in Tonga. The validity clock on most plans only starts when the eSIM first connects.
Can I top up my Tonga eSIM if I run out?
Yes. 372 of the 787 plans here support top ups, so you can add data without buying a new eSIM. The rest need a fresh plan once the data ends.
Is an eSIM cheaper than a local SIM card in Tonga?
For a trip of days or weeks, usually yes. Data for Tonga starts at $2.00 for 300 MB on this page, with no queue, no shop and no passport handed over at a counter. A local SIM card can still win if you stay for months or need a local phone number.
Will I still receive bank SMS and OTP codes?
Yes, if you keep your home SIM active. Travel eSIMs are data only. Your phone can hold both at once, so leave your normal SIM on for SMS and use the eSIM for data. Turn off roaming data on the home SIM to avoid charges.
Do these eSIMs include a phone number or calls?
The plans we compare are data only, so there is no local number. Calls work fine over WhatsApp, FaceTime, or any app that uses data. If you need a real local number, a local SIM is the better tool.
Does a Tonga eSIM work on iPhone and Android?
Yes, on any carrier unlocked phone with eSIM support: iPhone XS or newer, Google Pixel 3 or newer, Samsung Galaxy S20 or newer and most recent flagships. The plans are identical on both; only the install steps differ, and both take about a minute on wifi.
How many GB do I need for a week in Tonga?
Around 3 to 5 GB covers a week of maps, messaging, and normal browsing. Heavy video or hotspot use needs 1 to 2 GB per day. Today the cheapest plan with at least 5 GB is ByteSIM at $2.90.
Which Tonga eSIM gives the most data per day?
Of the plans sold as unlimited here, SimSmash allows the most at full speed, 10 GB a day from $25.99. The smallest allowance on this page is ASIMGO at 500 MB a day. Every one of them is advertised as unlimited, and past the daily allowance the speed drops, often to 1 Mbps or less, until the next day. Check the allowance, not the word.
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Or see every country on the cheapest eSIM index and track weekly movement on the eSIM Price Index.
How we rank
Prices last checked on 17 October 2026, 06:01 GMT across 787 plans. Every plan is ranked by the true cost per gigabyte, not marketing claims. We do not take money for rankings, and providers cannot pay for a higher position. Read the full method on our how we rank page.
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