St. Lucia eSIM
- Networks: FLOW [4G]
- 4G/LTE & 5G where available
- Data only · keep your number
Choose your St. Lucia plan
All prices are one-time payments. Each plan says when its days start: when you install the eSIM, or when it first connects in St. Lucia.
1 GB
FLOW [4G]
$14.99
≈ $2.14 / day
3 GB
FLOW [4G]
$35.99
≈ $2.40 / day
3 GB
FLOW [4G]
$38.99
≈ $1.30 / day
5 GB
FLOW [4G]
$54.99
≈ $1.83 / day
10 GB
FLOW [4G]
$99.99
≈ $3.33 / day
20 GB
FLOW [4G]
$182.99
≈ $6.10 / day
Not sure how much you need? Use the data calculator
Regional plans that include St. Lucia
Good value if your trip covers more than one country.
Your connection in St. Lucia
Coverage
Best in cities, airports and along main roads
Signal can be weaker in remote, mountain and underground areas, as with any local network.
- FLOW4G
The fastest each network offers. What you get also depends on your plan and your phone; every plan page says which it supports.
Typical speeds
- Browsing & mapsGreat
- Video callsGreat
- HD streamingGreat
Travel essentials
- Capital
- Castries
- Currency
- East Caribbean dollar (XCD)
- Language
- English, Saint Lucian Creole
- Power plugs
- Type G
- Saint Lucia uses UK-style three-pin plugs.
- The rainforest interior and Pitons have weaker coverage.
Instant delivery
Your QR code is ready seconds after checkout.
2-minute install
Scan on Wi-Fi before you leave home.
Keep your SIM
Your number still receives calls and texts.
Hotspot friendly
Share data with your laptop or tablet.
Before you buy
- Your phone must support eSIM and be carrier-unlocked.
- Plans are data-only: call and message with WhatsApp, FaceTime or Telegram.
- Install on Wi-Fi before departure, then turn the eSIM on when you arrive.
- Enable data roaming for the travel eSIM once you're in St. Lucia.
St. Lucia eSIM questions
What is the best eSIM for St. Lucia?
Pick a plan that covers your whole stay with some data to spare. We offer 13 St. Lucia plans starting from $13.99, delivered instantly by email and in your account.
Which networks does the St. Lucia eSIM use?
It connects to FLOW [4G], and your phone switches to the strongest available network automatically.
Can I install my St. Lucia eSIM before I travel?
Yes, on the day you travel: install it on Wi-Fi before you leave. Some plans start counting when the eSIM is installed and others when it first connects in St. Lucia, so installing on the day keeps all your days.
Do I get a phone number with the St. Lucia eSIM?
No, it's data only. Call and message over WhatsApp, FaceTime or Telegram, and keep your regular SIM switched on to receive texts such as bank codes.
How much data do I need for a trip to St. Lucia?
Most travellers use 0.5–1 GB per day for maps, messaging and social media. Streaming video uses much more. Our data calculator gives a personal estimate.