Americas
AmericasSaint Lucia eSIM
From $8.90 on 5 Nov 2026. No app and no account: pay here and the QR arrives by email. Data only; your home number keeps working. 5 GB lasts 30 days, so one pack covers a 1-, 2- or 4-week trip.
Not sure which size? Work it out
7 days at about 600 MB a day ≈ 4.2 GB. 5 GB fits, $36.90.
- Refund if unusedNot installed? 30 days to cancel.
- QR by emailInstall on Wi-Fi, switch on when you land.
- Secure checkoutStripe. Card, Apple Pay, Google Pay. Pay in your own currency.
- A person, not a botWrite any hour: a reply in minutes.
- Networks
- FLOWYour phone picks the strongest of these on its own. No setting to change.
- Top-up
- Same profileAdd more GB to this same eSIM later, from your order page. No new QR, nothing to install.
Prices checked 5 Nov 2026, in US dollars.
13 brands’ prices for Saint Lucia, side by side →
Visiting more countries? Plan the whole trip, one payment →
Same 10 GB for 30 days costs less on the Caribbean regional: $62.59 instead of $76.99 here, one QR for 25 countries.
QR mail in about a minute
Tap Add eSIM on Wi-Fi
Land, switch roaming on
Saint Lucia eSIM in numbers
- No app and no account: pay on this page and the QR code arrives by email in about a minute. The cheapest way in is 1 GB for 7 days at $8.90. How buying without an app works.
- 5 GB for 30 days costs $36.90, which is $7.38 a GB; the 20 GB pack brings it to $7.04 a GB.
- For 5 GB lasting 30 days, ours is number 8 of the 12 brands we compare for Saint Lucia; the lowest is eSIMzio at $25.60 (prices read 5 Nov 2026). Every brand side by side.
Before you land in Saint Lucia
Our Saint Lucia plan uses FLOW (4G), and the Caribbean pack covers Saint Lucia too. At Hewanorra airport the free Wi-Fi is in the Iyanola Executive Lounge, so install the eSIM before you fly; on a cruise, it works on land and in port but never at sea.
4 things to know, each with its source
- Saint Lucia had about 117 mobile subscriptions per 100 residents in 2023/2024, above the global average of 111. ECTEL Annual Sector Review 2023/2024
- Across the five ECTEL member states, Saint Lucia among them, 86% of mobile broadband subscriptions ran on LTE networks in 2023/2024. ECTEL Annual Sector Review 2023/2024
- At Hewanorra International Airport, the Iyanola Executive Lounge offers free Wi-Fi and internet access while you wait for your flight. Saint Lucia Air and Sea Ports Authority
- When Ookla reviewed Caribbean 5G in July 2025, Saint Lucia was not among the places with commercial 5G service. Ookla
Questions
What is the best eSIM for Saint Lucia?
For most trips, 5 GB for 30 days is enough: $36.90 here, against $30.00 at Airalo for the same data (read 5 Nov 2026). It is data only and needs no app: the QR code and a one-tap install link arrive by email. Every brand's price for Saint Lucia, dated and sourced, is on our comparison page.
Which Saint Lucia eSIM for a month?
Every one of these lasts 30 days: 3 GB $23.90, 5 GB $36.90, 10 GB $76.99, 20 GB $140.79. The 30 days start when the eSIM first connects to a network there, so you can buy before the trip.
Can I buy a Saint Lucia eSIM without an app?
Yes. You pay on this page and the QR code and a one-tap install link arrive by email: no app and no account. It is data only, with no phone number, so your home SIM keeps your calls and SMS.
Does the Saint Lucia eSIM come with a phone number?
No. It is data only: no local number, calls or SMS on this eSIM. Your home SIM stays in the phone for calls and texts (your carrier's roaming rates apply to them), and WhatsApp, FaceTime or Signal calls run over the eSIM's data. If you need a local number in Saint Lucia, for example for a service that texts a code, buy a local SIM there.
Which Saint Lucia eSIM for a week or two?
For 7 days: 1 GB $8.90. The 30-day packs cover one or two weeks too: 3 GB $23.90, 5 GB $36.90.
Will WhatsApp keep my number with a Saint Lucia eSIM?
Yes. WhatsApp stays on your home number: this eSIM is data only and has no number. Leave your home SIM in the phone with its data roaming off, use the Saint Lucia eSIM for mobile data, and do not re-register WhatsApp.
11 more questions
Is a Saint Lucia eSIM cheaper than roaming?
Usually, for a trip of more than a day or two. US carriers charge $12 a day for roaming (AT&T International Day Pass, Verizon TravelPass, read 4 Nov 2026) where they cover Saint Lucia, so a week costs $84. Here 5 GB for 30 days is $36.90 in total.
How much is the Saint Lucia eSIM?
From $8.90 in USD, and the price on this page is the price you pay. Sizes run from the 1 GB pack up; pick one in the list above.
When does the Saint Lucia plan start?
First attach to a covered network. Install on Wi-Fi before you fly. After you land, turn data roaming on for this line.
Can I hotspot in Saint Lucia?
Yes, it uses the same GB. We never block it; rarely, a local network limits it.
Which networks in Saint Lucia?
FLOW. Your phone joins whichever of these is strongest where you are.
Is this 5G in Saint Lucia?
This pack runs on 3G/4G, without 5G.
What APN do I use in Saint Lucia?
Automatic unless the QR mail names one
Can I use this Saint Lucia eSIM in another country?
No. This pack is Saint Lucia. A new country is a new QR. Keep this one if you return.
Can I top up the Saint Lucia plan?
Same profile, same coverage. Extra GB is a top-up, not a new QR.
How long do I have to install the Saint Lucia eSIM?
Start using within 180 days of purchase. After that an unused pack can expire. Scan on Wi-Fi before you fly.
What if I buy the wrong plan?
QR not scanned and not on the phone? Email within 30 days of issue. We cancel and refund. Installed? Buy the right country and keep this QR for later.
Not buying today?
Get the setup steps for Saint Lucia by email, and we can tell you if your pack gets cheaper.