Saint Lucia eSIM — Travel Data Plan
1GB / 7 days
$14.90
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Saint Lucia eSIM — Travel Data Plan
$14.90
Castries and Soufriere — land with your phone already online. Install the eSIM at home before you fly; it only starts counting when you connect in Saint Lucia.
- Networks: FLOW 4G
- 4G/LTE and 5G where the local network supports it
- Hotspot and tethering supported
- Validity starts on first connection in Saint Lucia, not at purchase
- Data only — no phone number, no calls, no SMS
- Install now, travel later — usable for 180 days after purchase
Requires an eSIM-compatible, carrier-unlocked device. Check the Device Compatibility page before buying, and see the Fair Usage Policy for how the allowance is measured.
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Delivered in minutes
QR code by email, right after payment
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180-day refund
Full refund if you never install it
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Keep your number
Your own SIM stays in the phone
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Data only
No calls or SMS — apps work as usual
Saint Lucia travel data eSIM
What is a Saint Lucia eSIM?
An eSIM for Saint Lucia lets you arrive in the Caribbean with your phone already set up for data. After installing it at home, you simply activate it when you land, and your device connects to local networks, giving you instant online access for navigation, bookings, and staying in touch while you explore the island’s beaches and historic towns.
In Saint Lucia the eSIM links to the FLOW 4G network, so your data sessions run on that operator’s infrastructure. The plan’s data allowance is drawn down as you use apps, maps, and online services, and the validity period begins on your first connection within the country.
Operators on this planFLOW 4G
No physical SIM card100% digital, delivered as a QR code
4G/LTE and 5GWhere the local network supports it
Keep your home numberData only: calls and texts stay on your own SIM
Fixed price, no surprisesPaid up front, no meter running
Local networks
Which networks you connect to in Saint Lucia
When you turn on the eSIM in Saint Lucia it registers on FLOW 4G’s network. The actual reach of service depends on FLOW’s own coverage in the area you are visiting, so you’ll be able to use mobile data wherever the operator’s towers are present.
FLOW 4G
5 plans are available for Saint Lucia, from $14.90 up to $182.90. Every plan is data only, delivered by QR code, and starts counting when you connect on arrival.
CastriesSoufriereGros IsletVieux FortOne plan for all of Saint Lucia, starting on first connection.
Good to know
Staying connected in Saint Lucia: practical tips
Exploring the PitonsUse map and hiking apps to navigate trails, check weather updates, and share photos while you trek the iconic volcanic peaks.
Ferry rides between Castries and MartiniqueAccess ferry schedules and ticketing apps to confirm departure times and purchase passes, keeping your travel plans flexible.
Visiting the capital Castries marketTranslate vendor signs, look up product prices, and locate nearby attractions using translation and navigation apps.
Four simple steps to use CometSIM
From checking your phone to landing online — the whole thing takes about two minutes, and you do most of it before you fly.
Step 1
Compatibility
Make sure your phone works with eSIM. It takes ten seconds — just dial a code and check.
Check compatibility
Step 2
Destination
Choose your country and the data plan that fits your trip. Prices are in USD, no surprises.
See all destinations
Step 3
Install your eSIM
Scan the QR code we email you. Install it at home on Wi-Fi — ready in a couple of minutes.
Setup guide
Step 4
Land & connect
Switch it on when you arrive. Your data starts on arrival, and your own number stays exactly where it is.
You’re online
Complete your trip
Add VPN
Add CometSIM VPN to your trip
Stay safe on hotel and airport Wi-Fi and reach home content. Your eSIM carries the data, the VPN protects it.
Questions people actually ask
If yours is not here, write to us — we answer within 24 hours.
Which operator does the Saint Lucia eSIM use and what does that mean for a traveller?
The eSIM connects to FLOW 4G. For travellers this provides access to the same mobile data services that local FLOW customers use, allowing typical smartphone functions while on the island.
Can the Saint Lucia eSIM be used in a neighbouring country, such as Martinique?
No, this is a single‑country plan valid only in Saint Lucia. Regional plans are available if you need connectivity in multiple Caribbean nations.
Which plan size is suitable for a trip that includes both Castries and Soufriere?
As a rough guide, a 5 GB or 10 GB 30‑day plan usually covers moderate use of navigation, social media, and booking apps for a visit to those two cities.
Will I lose my own phone number?
No. Your physical SIM stays in the phone and keeps your number for calls and WhatsApp. The eSIM only carries data, so both work side by side.
When does my plan start counting down?
When the eSIM first connects to a network at your destination — not when you buy it. So you can install it days before you fly without losing any time.
Is my phone compatible?
Most phones from 2018 onwards are: iPhone XS and later, Google Pixel 3 and later, Samsung Galaxy S20 and later. Your phone also has to be carrier-unlocked. Dial *#06# — if an EID appears, you have eSIM. Full list on our Device Compatibility page.
How fast will I get my QR code?
Usually within a couple of minutes of payment, by email. If it has not arrived, check spam first, then write to us and we will resend it immediately.
Can I use hotspot or tethering?
Yes, on every plan we sell. Share the connection with a laptop, a tablet or the rest of your group.
What if I change my mind?
If you have not installed the eSIM, you get a full refund within 180 days. Once a profile is activated and data has been used it cannot be refunded — the allowance is consumed from the network. Full detail in our Refund Policy.
Do you sell plans for groups?
Yes. For Umrah and Hajj groups, student trips and tour operators we deliver the QR codes as a single batch before departure, at group rates. Email us with your group size and destination.