Best eSIM for Antigua & Barbuda

Antigua & Barbuda's twin islands run on a mix of beach-hopping — Antigua alone claims a beach for every day of the year — and quick inter-island ferry hops to Barbuda, so a data plan that covers both without hunting for wifi matters more here than in a single-city destination. We checked live pricing across 106 providers we track for Antigua & Barbuda, and the spread runs from a light 1GB starter at $2.87 up to genuinely unlimited day-passes — here's what actually holds up today.

Quick-answer picks

• Cheapest way to get connected: Yatelo's 1GB/7-day plan at $2.87.
• Best genuinely unlimited pick: Esimatic's unlimited day-pass at $10.99.
• Best value for a week to two weeks: Yatelo again — 2GB for 15 days at $5.58 stretches comfortably across a full week and then some.
• Best cheap fixed-data tier for a full month: Ubigi's 0.5GB/30-day plan at $5.00.
• Best-known global brand: AirPlans, from $6.88 for a 1GB/7-day starter plan.

Antigua & Barbuda price comparison

Full comparison →

Yatelo $2.87 Cheapest Ubigi $5.00 Esimatic $8.25 AirPlans $5.66

Comparison by eSIMKart

Live Antigua & Barbuda deals right now

Public promo codes from providers selling Antigua & Barbuda eSIMs — pulled live from our deals list, so this section updates itself and disappears when nothing is running.

Airalo

15% off your first Airalo eSIM with NEWTOAIRALO15

-15%

New customers only, first order; the discount is capped at $3 per Airalo's terms.

Public promo Ends Dec 31, 2026

NEWTOAIRALO15 Get this deal

Eskimo

Welcome Discount — 50% off your first purchase

-50%

Get 50% off your first purchase, capped at $15. Applied automatically at checkout, no code needed.

Public promo

Get this deal

CloudOn

CLOUDON10 - 10% off your first eSIM

-10%

Public sitewide banner code, first purchase only.

Public promo

CLOUDON10 Get this deal

Provider-by-provider breakdown

Yatelo has the cheapest real entry point we track for Antigua & Barbuda — 1GB for a week at $2.87 — and its 15-day tier, 2GB for $5.58, is the best value if your trip runs closer to two weeks. A 30-day tier bumps up to 3GB at $6.29. Real discount code active:

Yatelo -15% ESIMKART15

15% off one purchase per customer (a new eSIM or a top-up) — the code can be used once per person, not on every order.

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Ubigi prices data per-GB aggressively enough that its smallest tier, 0.5GB for a full 30 days at $5.00, beats most competitors' weekly rate. Heavier users can step up to 5GB for 30 days at $17.00. Real discount code active:

Ubigi -10% ESIMKART10 First payment only

10% off for new customers on first purchase

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Esimatic sells a genuinely unlimited day-pass at $10.99 — worth it if you'd rather stop tracking usage entirely while island-hopping. Its fixed-data side starts at 1GB for a week, $8.25.

AirPlans is the most globally recognized name in this comparison, starting at $6.88 for 1GB over a week, with a 30-day 3GB tier at $19.47 for a longer stay. Real discount code active:

AirPlans -10% ESIMKART10 One use per customer

10% off any one order, no minimum. One use per customer — first order or fifth.

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eSIMGlobe runs on a short-burst pricing model — 500MB for a single day at currently unavailable, useful for a quick top-up between longer plans rather than a whole-trip pass, scaling to 3GB for 30 days at $23.90. Real discount code active:

eSIMGlobe -10% ESIMKART10

10% off

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eSIMCard offers its own unlimited day-pass at $10.39, plus a 1GB/3-day fixed tier at $7.61 for shorter stopovers. Real discount code active:

eSIMCard -10% ESIMKART

10% off

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GigSky rounds out the comparison with a genuinely unlimited day-pass priced close to its own fixed-data tier — $6.99 for unlimited data versus $6.99 for a fixed 1GB over 15 days — worth a look if you're already using GigSky elsewhere on a wider Caribbean itinerary. Real discount code active:

GigSky -15% ESIMKART15 All payments

15% off on all GigSky purchases

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Why prices vary this much

Antigua & Barbuda sits on the same shared-infrastructure pricing most eSIM resellers use across the Eastern Caribbean, so the spread here comes down to each provider's own margin and packaging rather than anything unique to these two islands. Fixed-GB tiers from Yatelo and Ubigi undercut the unlimited day-passes for short, light-use trips; the unlimited options from Esimatic, eSIMCard, and GigSky only pull ahead once you're genuinely streaming or navigating most of the day. Notice too how close some of GigSky's own unlimited and fixed-tier prices sit to each other — a reminder that "unlimited" isn't automatically the pricier choice, and it's always worth checking both before assuming.

If you're not sure how much data your trip actually needs, our data usage guide is worth a look before defaulting to unlimited. Three things generally explain the spread you'll see on any country's eSIM pricing: how many days of validity come bundled with the data itself, whether a provider bills a flat rate per GB or steeply discounts its larger tiers, and how a given network's wholesale data cost in that specific country compares with its cost elsewhere — which is also why the same provider can look cheap in one country and mid-priced in the next.

Which plan fits your trip

• A long weekend based in one resort: Yatelo's 1GB/7-day plan at $2.87 covers maps, messaging, and photo uploads without paying for a full unlimited pass.
• A week that includes a ferry day trip to Barbuda: Esimatic's unlimited day-pass at $10.99 on the travel day itself, paired with a fixed plan the rest of the week.
• Two weeks island-hopping: Yatelo's 2GB/15-day plan at $5.58 is the best value match for the length of stay.
• A full month, light use: Ubigi's 0.5GB/30-day plan at $5.00 is the cheapest way to stay reachable all month.
• A full month, heavier use: eSIMCard's unlimited option, from $10.39 per day, scales up without a hard data ceiling.

A few practical notes

Coverage across both islands runs primarily on Flow, Digicel, and Cable & Wireless (LIME) infrastructure — solid around St. John's, the resort strip along the southwest coast, and V.C. Bird International Airport, with Barbuda's much smaller population meaning thinner but still workable coverage.

Both islands are small enough that you're rarely more than a short drive from a populated area, so outright dead zones are uncommon outside a handful of quieter beaches on Barbuda's northern coast — worth keeping in mind if your plan is a tight fixed-data tier rather than unlimited, since you're less likely to burn through data on long stretches with no signal at all than you would on a larger, more remote island.

A few other things worth knowing before you buy: check whether your specific plan supports hotspot/tethering if you're planning to share the connection with a laptop or a second traveler — this varies by provider and by plan tier, not just by country, so it's worth confirming on the checkout page rather than assuming. If your trip is short enough that you're weighing whether an eSIM is worth it at all versus your carrier's own roaming rates, comparing your carrier's daily roaming fee against even the pricier options above usually settles it quickly in the eSIM's favor.

Install your eSIM before you fly — every provider above only activates once you land and connect to a local network, so there's no benefit to setting it up at home. If this is your first time using an eSIM at all, our beginner's guide to how eSIMs work covers installation and activation from the very start.

Most modern phones can run an eSIM alongside your regular home SIM rather than replacing it, so your usual number stays reachable for calls and texts while data runs through the cheaper local plan — worth checking your phone's dual-SIM settings before you land, and our compatibility guide if you're not sure your phone supports eSIM at all.

If your trip continues elsewhere in the Caribbean, check each destination's pricing separately rather than assuming one plan carries over; our multi-country trip planner can show you real plans that genuinely cover your whole route if one exists.

See the full, live list of Antigua & Barbuda eSIM plans from every provider we track, sorted by price, if you want to compare exact tiers side by side.