eSIM for Saint Lucia at a glance
- Plans
- 4
- Price from1 GB for 7 days
- £6
- Cheapest gigabyte5 GB for 30 days
- £4.89
- Validity
- 7–30 days
- Calls and SMS
- no, data only
eSIM plans for Saint Lucia
Sorted by price. You buy on the Airalo website.
DataValidityPrice per GBPrice
1 GB7 days
£6.02 per GB
£6
2 GB15 days
£5.65 per GB
£11
3 GB30 days
£5.27 per GB
£16
5 GB30 days
£4.89 per GB · best value
£24
Prices from Airalo, updated 25.03.2026, rate 1 $ = £0.75
How much data do you need
Typical usage and a matching plan for a one-week trip
- Maps and messengersabout 1 GB a week
- 1 GB for 7 days — £6
- Social media and photos3–5 GB a week
- 5 GB for 30 days — £24
Flights to Saint Lucia
Cheapest tickets for the nearest dates
London → Castries
one way
How it works
- 1. Choose a planCompare plans by data volume, validity period and price
- 2. Get your QR codeAfter payment, the QR code to activate your eSIM arrives by email within minutes
- 3. ConnectScan the QR code in your phone settings — the internet is ready
Nearby countries
eSIM for Saint Lucia: FAQ
From £6 for 1 GB for 7 days. There are 4 plans in total, the most expensive is £24.
No, there are no unlimited plans. The largest package is 5 GB for 30 days for £24.
For 7 days of maps and messengers, 1 GB for 7 days for £6 is enough.
The cheapest gigabyte is in the 5 GB for 30 days package: £4.89 per GB versus £6.02 in the smallest one.
Plans are available for 7, 15, 30 days. Validity starts when you first connect to a network abroad.
The eSIM is data only. You can call through messengers; your WhatsApp and Telegram number stays the same and your main SIM remains in the phone.
At home, before departure: installation needs an internet connection. After landing, switch mobile data to the eSIM and turn on data roaming.
iPhone XR and newer, Samsung Galaxy S20 and newer, Google Pixel 3 and newer. To check, dial *#06#: if you see an EID line, your phone supports eSIM.
London → Castries: from £518 one way.