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Antigua & Barbuda eSIM
A 5 GB Antigua & Barbuda eSIM costs £57.99 for 30 days on FLOW on 4G. Plans start at £8.99 for 500 MB a day. Delivered by email in seconds.
Head to St John's, English Harbour, Jolly Harbour or Dickenson Bay and your WhatsApp chats are ready to go. Your eSIM runs on the FLOW network, so you can share your sunset photos home without swapping SIM cards or hunting for a shop.
- 4G speeds
- 1 network: FLOW
- Top up anytime
- Instant email delivery
Your Antigua & Barbuda eSIM in two questions
Which Antigua & Barbuda eSIM plan fits your trip?
Your plan depends on how long you stay and how much you use.
- A city break in St John's: Three days of standard use, with maps, messages and a few social posts, suits 3 GB for 15 days.
- A fortnight touring the island: For 14 days of standard use, pick 10 GB for 30 days, which leaves room for music and some video.
- A business trip: Seven days of heavy use, with streaming and a hotspot for your laptop, suits 2 GB a day for 7 days.
- A Caribbean hop: If your trip takes in other islands, the Caribbean bundle covers 25 countries, so check Caribbean eSIMs.
Most plans can be topped up, and the longest plan runs for 30 days.
All 34 Antigua & Barbuda eSIM plans
Prices include any taxes. Price per GB shown so you can compare at a glance.
| Data | Valid for | Price | Per GB | Top-up | Buy |
|---|---|---|---|---|---|
| 1 GB · 7 days | £13.99 / €15.99 / $16.99 | £13.99 / €15.99 / $16.99 | Choose | ||
| 3 GB · 15 days | £34.99 / €41.99 / $44.99 | £11.66 / €14.00 / $15.00 | Choose | ||
| 3 GB · 30 days | £36.99 / €43.99 / $47.99 | £12.33 / €14.66 / $16.00 | Choose | ||
| 5 GB · 30 days | £57.99 / €68.99 / $74.99 | £11.60 / €13.80 / $15.00 | Choose | ||
| 10 GB · 30 days | £104.99 / €124.99 / $135.99 | £10.50 / €12.50 / $13.60 | Choose | ||
| 20 GB · 30 days | £199.99 / €239.99 / $259.99 | £10.00 / €12.00 / $13.00 | Choose |
| Per day | 1 day | 3 days | 5 days | 7 days | 10 days | 15 days | 30 days |
|---|---|---|---|---|---|---|---|
| 500 MB a day | £8.99 / €9.99 / $10.99 | £24.99 / €28.99 / $31.99 | £32.99 / €39.49 / $42.99 | £32.99 / €39.49 / $42.99 | £32.99 / €39.49 / $42.99 | £49.49 / €58.99 / $63.99 | £97.99 / €117.49 / $127.49 |
| 1 GB a day | £12.99 / €14.99 / $16.99 | £36.99 / €44.99 / $48.99 | £50.49 / €60.49 / $65.99 | £50.49 / €60.49 / $65.99 | £50.49 / €60.49 / $65.99 | £75.49 / €90.49 / $98.49 | £150.99 / €180.99 / $195.99 |
| 2 GB a day | £21.99 / €25.99 / $28.99 | £64.99 / €77.99 / $83.99 | £87.99 / €105.49 / $114.49 | £87.99 / €105.49 / $114.49 | £87.99 / €105.49 / $114.49 | £131.99 / €158.49 / $171.49 | £263.49 / €315.99 / $342.49 |
| 3 GB a day | £41.99 / €49.99 / $54.99 | £124.99 / €149.99 / $161.99 | £169.49 / €203.49 / $220.49 | £169.49 / €203.49 / $220.49 | £169.49 / €203.49 / $220.49 | £253.99 / €304.49 / $330.49 | £507.99 / €608.99 / $659.99 |
Networks your Antigua & Barbuda eSIM uses
Your eSIM joins this local network automatically, wherever you are in Antigua & Barbuda.
| Country | Networks | Speed |
|---|---|---|
| Antigua & Barbuda | FLOW | 4G |
Good to know
- Data only: your own number keeps working for calls and texts
- Hotspot works where your phone and the network allow it
- Plans start when you first connect; install within 180 days
- Your data routes through EUROPE, so some sites may show that country
- Top up the same eSIM any time, no new QR code
Travelling further?
These eSIMs cover Antigua & Barbuda and more countries on one plan.
Will my eSIM have signal in Antigua & Barbuda?
FLOW is the network your eSIM joins in Antigua & Barbuda. Your phone finds it on its own, so there's nothing to pick. Land, switch on, and you're online. Your eSIM runs on 4G.
Your data reaches the internet through Europe, which is a normal setup for travel eSIMs. To see what that means for your browsing, read your IP address in another country.
Daily plans slow down to a lower fair-use speed once the day's allowance is used up, so pick a size that covers your busiest day.
How much data do you need in Antigua & Barbuda?
Light: maps, messages, email (about 0.25 GB a day). Standard: plus social, music, some video (about 0.7 GB a day). Heavy: plus streaming, video calls, hotspot (about 1.8 GB a day).
3 days
- Light · about 800 MB1 GB · 7 days · £13.99 / €15.99 / $16.99
- Standard · about 2 GB3 GB · 15 days · £34.99 / €41.99 / $44.99
- Heavy · about 5 GB2 GB a day · 3 days · £64.99 / €77.99 / $83.99
7 days
- Light · about 2 GB500 MB a day · 7 days · £32.99 / €39.49 / $42.99
- Standard · about 5 GB1 GB a day · 7 days · £50.49 / €60.49 / $65.99
- Heavy · about 13 GB2 GB a day · 7 days · £87.99 / €105.49 / $114.49
14 days
- Light · about 4 GB500 MB a day · 15 days · £49.49 / €58.99 / $63.99
- Standard · about 10 GB1 GB a day · 15 days · £75.49 / €90.49 / $98.49
- Heavy · about 25 GB2 GB a day · 15 days · £131.99 / €158.49 / $171.49
30 days
- Light · about 8 GB500 MB a day · 30 days · £97.99 / €117.49 / $127.49
- Standard · about 21 GB1 GB a day · 30 days · £150.99 / €180.99 / $195.99
- Heavy · about 54 GB2 GB a day · 30 days · £263.49 / €315.99 / $342.49
How to set up your Antigua & Barbuda eSIM
Install at home
On Wi-Fi, tap Install on iPhone (iOS 17.4+), scan the QR code, or type the two codes from your email.
Switch on when you land
Turn on your eSIM line, choose it for mobile data and switch Data Roaming on for that line.
You're online
Your phone joins FLOW and your plan starts. Check data left on your eSIM page.
Using your phone in Antigua & Barbuda: data tips
- Install at home: Add your eSIM over Wi-Fi before you fly, so you won't be hunting for a signal at V.C. Bird (ANU).
- On arrival: Once you've landed, switch your eSIM line on, turn on data roaming for it, and then open your maps.
- Getting around: Your eSIM uses the FLOW network in St John's, English Harbour, Jolly Harbour, Dickenson Bay and Barbuda, so keep your maps on as you explore.
- Staying in touch: Message people on WhatsApp over your eSIM data, while your home number stays on for calls and texts. Keep it simple: your eSIM line is for data, and your home line is for calls.
- Good to know: Plans run up to 30 days, and most can be topped up, so you can add more data mid-trip. After your daily allowance, speeds drop to 512 Kbps.
Antigua & Barbuda eSIM questions
How much is an eSIM for Antigua & Barbuda?
Antigua & Barbuda eSIMs start at £8.99 for 500 MB a day over 1 day. A 5 GB plan for 30 days costs £57.99. Prices include any taxes and show in pounds, euros or dollars.
Which networks does the Antigua & Barbuda eSIM use?
Your eSIM connects to FLOW in Antigua & Barbuda. Your phone picks the strongest signal automatically.
When does my Antigua & Barbuda eSIM start?
Most plans start the moment your eSIM first connects to a network in Antigua & Barbuda, so you can buy and install it at home before you fly. Install it within 180 days of buying.
Can I top up my Antigua & Barbuda eSIM?
Yes. Most Antigua & Barbuda plans can be topped up from your eSIM page in two taps, with no new QR code. The plan table on this page shows which ones.
Why does my IP address show another country?
Antigua & Barbuda plans route your data through Europe, a normal setup for travel eSIMs. Websites and apps may show that country's content; your speed and coverage in Antigua & Barbuda are not affected.
Does it come with a phone number?
Every eSIMology plan is data only. Keep your own SIM switched on for calls and texts, and use WhatsApp, FaceTime or any calling app over your eSIM's data.
What if my plans change?
Cancel an eSIM you haven't installed within 30 days for a full refund to your card, in two taps from your eSIM page.
Does my eSIM work at V.C. Bird airport in Antigua & Barbuda?
Yes. Switch on data roaming as you land at V.C. Bird (ANU), and your eSIM is ready to use. Nothing to swap at the airport, just your phone and a couple of taps.
Is there 5G in Antigua & Barbuda?
No. Antigua & Barbuda runs on 4G only, through the FLOW network, so that's the signal your phone will show. There's no 5G to wait for, so you can get on with your trip.
How much data do I need for a week in Antigua & Barbuda?
For messages, maps and email, a week is about 1.8 GB. Add social media, music and some video and it's about 4.9 GB. Streaming and hotspot use pushes a week to about 12.6 GB, so plan bigger if you stream a lot.
Can I use WhatsApp in Antigua & Barbuda?
Yes. WhatsApp is the messaging app to know here, and it runs on your eSIM's mobile data, so keep data roaming switched on and you can message from St John's, English Harbour or Jolly Harbour.
Which eSIM covers Antigua & Barbuda and other Caribbean islands?
The Caribbean eSIM plan covers 25 countries, and Antigua & Barbuda is one of them, so if your trip takes you island-hopping, you can use one eSIM across the trip.
What happens when my daily data runs out in Antigua & Barbuda?
On a daily plan, once your allowance is used, data slows to a fair-use speed rather than cutting off. Messages and maps still get through, just more slowly, so choose an allowance that matches your busiest days.
Ready for Antigua & Barbuda?
Buy now, install today, and your plan waits until you land. Full refund if not installed.