Cheapest eSIM for St. Lucia
78 plans from 8 providers, watched and re-ranked by the real price per gigabyte.
| Rank | Provider | Data | Validity | Price (USD) | Price per GB | Verdict | Get |
|---|---|---|---|---|---|---|---|
| 1 | GigSky | 100 GB | 180 Days | $179.99 | $1.80 | Best value | Get |
| 2 | GigSky | 50 GB | 180 Days | $109.99 | $2.20 | Great | Get |
| 3 | GigSky | 50 GB | 90 Days | $139.99 | $2.80 | Okay | Get |
| 4 | GigSky | 20 GB | 60 Days | $69.99 | $3.50 | Okay | Get |
| 5 | GigSky | 10 GB | 30 Days | $39.99 | $4.00 | Fair | Get |
| 6 | GigSky | 20 GB | 180 Days | $79.99 | $4.00 | Fair | Get |
| 7 | nadanada | 20 GB | 30 Days | $88.99 | $4.45 | Fair | Get |
| 8 | GigSky | 10 GB | 60 Days | $44.99 | $4.50 | Fair | Get |
| 9 | GigSky | 2 GB | 15 Days | $9.99 | $5.00 | Expensive | Get |
| 10 | GigSky | 3 GB | 15 Days | $14.99 | $5.00 | Expensive | Get |
| 11 | GigSky | 5 GB | 15 Days | $24.99 | $5.00 | Expensive | Get |
| 12 | GigSky | 20 GB | 90 Days | $99.99 | $5.00 | Expensive | Get |
| 13 | Saily | 5 GB | 30 Days | $25.99 | $5.20 | Expensive | Get |
| 14 | nadanada | 10 GB | 30 Days | $51.99 | $5.20 | Expensive | Get |
| 15 | Saily | 3 GB | 30 Days | $15.99 | $5.33 | Expensive | Get |
| 16 | GigSky | 5 GB | 30 Days | $26.99 | $5.40 | Expensive | Get |
| 17 | nadanada | 5 GB | 30 Days | $30.99 | $6.20 | Expensive | Get |
| 18 | eSIM Hero | 10 GB | 30 Days | $67.75 | $6.78 | Very expensive | Get |
| 19 | Connect Me Guru Coupon: hello-saun |
10 GB | 30 Days | $67.75 | $6.78 | Very expensive | Get |
| 20 | eSIM Hero | 20 GB | 30 Days | $137.25 | $6.86 | Very expensive | Get |
| 21 | Connect Me Guru Coupon: hello-saun |
20 GB | 30 Days | $137.44 | $6.87 | Very expensive | Get |
| 22 | GigSky | 1 GB | 7 Days | $6.99 | $6.99 | Very expensive | Get |
| 23 | GigSky | 1 GB | 15 Days | $6.99 | $6.99 | Very expensive | Get |
| 24 | Saily | 1 GB | 7 Days | $6.99 | $6.99 | Very expensive | Get |
| 25 | MegaEsim Coupon: SUMMER10 |
2 GB | 1 Day | $14.00 | $7.00 | Very expensive | Get |
| 26 | nadanada | 3 GB | 30 Days | $20.99 | $7.00 | Very expensive | Get |
| 27 | Lumbus Coupon: ESIMWATCHDOG10 |
20 GB | 30 Days | $141.99 | $7.10 | Very expensive | Get |
| 28 | nadanada | 2 GB | 15 Days | $14.99 | $7.50 | Very expensive | Get |
| 29 | Connect Me Guru Coupon: hello-saun |
3 GB | 30 Days | $22.75 | $7.58 | Very expensive | Get |
| 30 | eSIM Hero | 3 GB | 30 Days | $23.00 | $7.67 | Very expensive | Get |
| 31 | Connect Me Guru Coupon: hello-saun |
2 GB | 1 Day | $15.40 | $7.70 | Very expensive | Get |
| 32 | MegaEsim Coupon: SUMMER10 |
1 GB | 1 Day | $7.84 | $7.84 | Very expensive | Get |
| 33 | eSIM Hero | 5 GB | 30 Days | $40.75 | $8.15 | Very expensive | Get |
| 34 | Connect Me Guru Coupon: hello-saun |
5 GB | 30 Days | $40.75 | $8.15 | Very expensive | Get |
| 35 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
10 GB | 30 Days | $82.45 | $8.25 | Very expensive | Get |
| 36 | Connect Me Guru Coupon: hello-saun |
3 GB | 15 Days | $24.94 | $8.31 | Very expensive | Get |
| 37 | eSIM Hero | 3 GB | 15 Days | $25.00 | $8.33 | Very expensive | Get |
| 38 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
20 GB | 30 Days | $167.76 | $8.39 | Very expensive | Get |
| 39 | Connect Me Guru Coupon: hello-saun |
1 GB | 1 Day | $8.80 | $8.80 | Very expensive | Get |
| 40 | nadanada | 1 GB | 7 Days | $8.99 | $8.99 | Very expensive | Get |
| 41 | Lumbus Coupon: ESIMWATCHDOG10 |
10 GB | 30 Days | $90.99 | $9.10 | Very expensive | Get |
| 42 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
3 GB | 30 Days | $27.36 | $9.12 | Very expensive | Get |
| 43 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
2 GB | 1 Day | $18.36 | $9.18 | Very expensive | Get |
| 44 | Connect Me Guru Coupon: hello-saun |
1 GB | 7 Days | $9.26 | $9.26 | Very expensive | Get |
| 45 | eSIM Hero | 1 GB | 7 Days | $9.50 | $9.50 | Very expensive | Get |
| 46 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
5 GB | 30 Days | $49.39 | $9.88 | Very expensive | Get |
| 47 | Lumbus Coupon: ESIMWATCHDOG10 |
2 GB | 1 Day | $19.99 | $10.00 | Very expensive | Get |
| 48 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
3 GB | 15 Days | $30.04 | $10.01 | Very expensive | Get |
| 49 | Connect Me Guru Coupon: hello-saun |
500 MB | 1 Day | $4.91 | $10.06 | Very expensive | Get |
| 50 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
1 GB | 1 Day | $10.28 | $10.28 | Very expensive | Get |
| 51 | Connect Me Guru Coupon: hello-saun |
5 GB | 1 Day | $52.90 | $10.58 | Very expensive | Get |
| 52 | Lumbus Coupon: ESIMWATCHDOG10 |
5 GB | 30 Days | $53.99 | $10.80 | Very expensive | Get |
| 53 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
1 GB | 7 Days | $10.83 | $10.83 | Very expensive | Get |
| 54 | Lumbus Coupon: ESIMWATCHDOG10 |
1 GB | 1 Day | $10.99 | $10.99 | Very expensive | Get |
| 55 | Lumbus Coupon: ESIMWATCHDOG10 |
3 GB | 15 Days | $32.99 | $11.00 | Very expensive | Get |
| 56 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
500 MB | 1 Day | $5.51 | $11.28 | Very expensive | Get |
| 57 | Lumbus Coupon: ESIMWATCHDOG10 |
3 GB | 30 Days | $34.99 | $11.66 | Very expensive | Get |
| 58 | Lumbus Coupon: ESIMWATCHDOG10 |
1 GB | 7 Days | $11.99 | $11.99 | Very expensive | Get |
| 59 | HiRoaming Coupon: ESIMWATCHDOG20FIRST |
5 GB | 1 Day | $64.27 | $12.85 | Very expensive | Get |
| 60 | Lumbus Coupon: ESIMWATCHDOG10 |
512 MB | 1 Day | $6.99 | $13.98 | Very expensive | Get |
| 61 | MegaEsim Coupon: SUMMER10 |
2 GB | 3 Days | $42.00 | $21.00 | Very expensive | Get |
| 62 | MegaEsim Coupon: SUMMER10 |
1 GB | 3 Days | $23.52 | $23.52 | Very expensive | Get |
| 63 | GigSky | 512 MB | 1 Day | $17.99 | $35.98 | Very expensive | Get |
| 64 | MegaEsim Coupon: SUMMER10 |
2 GB | 7 Days | $98.00 | $49.00 | Very expensive | Get |
| 65 | MegaEsim Coupon: SUMMER10 |
1 GB | 7 Days | $54.88 | $54.88 | Very expensive | Get |
| 66 | GigSky | 250 MB | 1 Day | $19.99 | $81.88 | Very expensive | Get |
| 67 | MegaEsim Coupon: SUMMER10 |
2 GB | 15 Days | $210.00 | $105.00 | Very expensive | Get |
| 68 | MegaEsim Coupon: SUMMER10 |
1 GB | 15 Days | $117.60 | $117.60 | Very expensive | Get |
| 69 | MegaEsim Coupon: SUMMER10 |
2 GB | 30 Days | $420.00 | $210.00 | Very expensive | Get |
| 70 | MegaEsim Coupon: SUMMER10 |
1 GB | 30 Days | $235.20 | $235.20 | Very expensive | Get |
| 71 | GigSky | Unlimited | 1 Day | $4.99 | n/a | Unlimited | Get |
| 72 | GigSky | Unlimited | 3 Days | $14.99 | n/a | Unlimited | Get |
| 73 | GigSky | Unlimited | 5 Days | $22.99 | n/a | Unlimited | Get |
| 74 | GigSky | Unlimited | 7 Days | $28.99 | n/a | Unlimited | Get |
| 75 | GigSky | Unlimited | 14 Days | $43.99 | n/a | Unlimited | Get |
| 76 | GigSky | Unlimited | 10 Days | $55.99 | n/a | Unlimited | Get |
| 77 | GigSky | Unlimited | 21 Days | $57.99 | n/a | Unlimited | Get |
| 78 | GigSky | Unlimited | 30 Days | $74.99 | n/a | Unlimited | Get |
The Watchdog Pick is chosen automatically: the lowest real price per GB of the 78 plans in this view. Providers cannot pay for it, and a commission never changes the ranking. Prices are shown in USD and can change at checkout.
Cheapest eSIM for St. Lucia: the numbers
As of 31 August 2026, 15:21 GMT, the cheapest eSIM for St. Lucia is GigSky with 100 GB for 180 Days at $179.99. That is $1.80 per GB, the best rate of the 78 plans we compare from 8 providers. 32 support top ups. That timestamp is the exact moment of our latest price check, and the table above always shows the live order.
Which mobile networks does St. Lucia have?
The Flow and Digicel LTE networks reach about 95 percent of the population. Typical mobile speeds run from a few Mbps up to 20 or 30 Mbps in strong signal areas.
- Digicel: Digicel offers prepaid and postpaid mobile service on 2G, 3G and 4G and competes actively with Flow across the island.
- Flow: Flow is the Cable and Wireless incumbent and runs the island's other 4G LTE network.
The eSIM plans we compare on this page connect to:
Is 5G available in St. Lucia?
5G has not launched in St Lucia. The 5G Americas count for July 2025 lists two LTE networks and zero 5G networks, though local reporting has flagged 5G as a possibility for the 2025 to 2026 period.
How much data do you need in St. Lucia?
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 St. Lucia right now:
Are unlimited eSIMs for St. Lucia really unlimited?
Not always. 8 of the plans above are sold as unlimited. Most unlimited travel plans have a fair use rule. You get full speed for a daily amount, often 1 to 5 GB, then the speed drops to around 1 Mbps until the next day. That is fine for messages and maps but slow for video. If you know how much data you use, a fixed plan with a low price per GB is usually the better deal. That is why we rank by price per GB and not by labels.
eSIM or a local SIM at the airport in St. Lucia?
An eSIM is ready before you land. No queue, no shop, no handing over your passport at a counter. Data for St. Lucia starts at $179.99 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 St. Lucia eSIM
Buy your planYou get a QR code by email within minutes of paying.
Install before you flyScan the QR code on wifi at home. Airport and hotel wifi can be weak.
Turn it on when you landEnable the eSIM and turn on data roaming for it, then give it a minute to find the network.
Check the validity clockSome plans start counting at purchase, not at first use. Check before you buy.
Good to know before you land in St. Lucia
Digicel runs a kiosk at Hewanorra International Airport selling tourist data packs from 20 XCD, and reports differ on whether Flow sells there too. Kiosks can be closed for late evening arrivals. Full stores operate in Castries, Rodney Bay and Vieux Fort.
St. Lucia Travel eSIM FAQ
Everything you need to know about using an eSIM in St. Lucia
What is the cheapest eSIM for St. Lucia?
Right now the cheapest option ranked by price per GB is GigSky with 100 GB for 180 Days at $179.99. That works out to $1.80 per GB. Prices change often, so the table above always shows the current order.
Which networks will my eSIM connect to in St. Lucia?
The plans we compare connect to FLOW. The exact network depends on the plan you pick. Check the plan details before you buy if one network matters to you.
Do St. Lucia eSIMs support 5G?
The networks our plans use in St. Lucia currently run on 4G. That is enough for maps, messaging, video calls, and streaming in most cases.
Can I top up my St. Lucia eSIM if I run out?
Yes. 32 of the 78 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.
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.
How many GB do I need for a week in St. Lucia?
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 GigSky at $24.99.
Travelling further? Compare nearby destinations
AnguillaFrom$1.80/GB
Antigua and BarbudaFrom$1.80/GB
BarbadosFrom$1.80/GB
British Virgin IslandsFrom$1.80/GB
Cayman IslandsFrom$1.80/GB
DominicaFrom$1.80/GB
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 31 August 2026, 15:21 GMT across 78 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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