Best eSIM for Ireland: Our 5 Top Picks for 2026

Landing in Ireland without mobile data is a quick way to ruin your trip. Thinking ahead and getting a trusted eSIM for Ireland avoids the horror. What’s so magical about it? For one, you don’t need an Irish SIM card. Your eSIM gives you unlimited data, better coverage and no roaming fees.

One thing to settle before you buy, and almost nobody mentions it: an Irish eSIM does not work in Belfast. Northern Ireland is part of the UK, on UK networks, so a Republic of Ireland plan stops at the border. If your route takes in both, you need either a regional Europe plan or two separate eSIMs. We retested over 20 options across Ireland in 2026, and ranked the five best below.

Best eSIM for Ireland: Prices, Networks and Data Compared

The five side by side, with promo codes applied:

eSIM	Best for	Starting price	Unlimited data	Network	Promo code
Ubigi	Best overall	$7 / 3 GB / 15 days	$19 / 7 days, $49 / 30 days	Three (H3G) + Eir	GIZMODO (-10% first order)
Saily	Security and value	$3.39 / 1 GB / 7 days	$41.64 / 15 days	4G/5G	GIZMODO (-15% all plans)
Holafly	Uncapped unlimited data	$3.90 / day	Every plan (from $3.90)	4G/5G	N/A
Airalo	Data sharing	$4 / 1 GB / 3 days	From $10.50 / 3 days	4G only	N/A
Jetpac	Cheapest entry at $1	$1 / 1 GB / 4 days	$12.99 / 3 days, $33.99 / 10 days	4G/5G	N/A

Best eSIM for Ireland: 5 Best Options Reviewed

We compared all five on price, data allowances, network access, tethering and plan length, and tested each one across the Republic in 2026. Here’s how they landed.

1. Ubigi

The best Irish eSIM, Ubigi, runs from 3 GB to unlimited. Three gigabytes cost $7 over 15 days, and 10 GB is only $12 for 30 days. Want unlimited? Ubigi charges $19 for 7 days, $29 for 15 days and $49 for 30 days, which makes it the cheapest limitless option here by a distance, under Holafly’s $74.90 and Saily’s $71.99.

Its 3G, 4G and 5G data comes from Three (H3G) and Eir, two of Ireland’s three operators. That dual-network access is the widest on this page, and it’s what kept the connection steady when we drove out of Dublin toward the west coast, where signal thins fast.

Activation is a QR code sent by email, then a tap in the app, which also lets you track your data usage. You can share data without restrictions, and connections are encrypted. Ubigi’s 24/7 support is quick and useful. Ubigi was also our favorite UK eSIM provider, which is worth knowing if Belfast is on your itinerary, since you’ll need a separate UK plan for it.

Every plan can be discounted by 10% with the promo code GIZMODO on your first purchase.

Get Ubigi’s Ireland eSIM

2. Saily

Saily is the cheapest way onto an Irish network. The entry plan is $3.99 for 1 GB over a week, or $3.39 with the GIZMODO code. Move up the range and 3 GB over 30 days costs $6.79 discounted, 5 GB is $9.34, and 10 GB is $15.29.

The one most people take is 20 GB for 30 days at $25.99, which the code brings to $22.09. Unlimited data is $48.99 for 15 days, or $41.64 discounted. Read the small print first, though: that plan gives you 5 GB per day at full speed, after which you stay connected but throttled to 1 Mbps. Fine for maps and messaging, not for streaming.

See Saily’s Ireland plans

What you’re paying for is the security layer: a virtual location and an ad blocker on every plan, both inherited from Nord Security, with NordVPN, NordPass and NordLocker in the Ultra tier. Coverage held up on 4G and 5G across Irish cities and out in the countryside.

New in 2026: the app now sells airport lounge access and fast-track security passes at checkout, with no subscription. On a long connection through Dublin, one of Europe’s busiest transatlantic hubs, that’s worth more than another gigabyte. Saily was named “Rising Star” at the MVNOs World Congress in Amsterdam in June 2026. You also get 30 days to activate, 24/7 support in the app and unlimited data sharing. Current deals sit on our Saily promo code page.

3. Holafly

Holafly is the best eSIM for Ireland if you want unlimited data with no small print. We retested it around Dublin and down the south coast, and it delivered some of the best speeds on the page across 4G and 5G. Streaming, gaming and chatting were effortless, and the plan activated itself the moment we landed.

What sets it apart in 2026 is that the data is genuinely uncapped. No 5 GB daily allowance, no drop to 1 Mbps, unlike Saily. If you stream on the move, that’s the difference you’re buying.

Pricing starts at $3.90 for a day, and eases on stays of a week or more: $27.30 for seven days, $50.90 for 15 and $74.90 for 30, which is $25 more than Ubigi’s unlimited month. Support is 24/7 live chat, among the best in the business, and the app covers Android and iOS.

There’s no Irish phone number, but that’s true of its US eSIM plans and everywhere else too. The odder limitation is data sharing capped at 500 MB per day, which rules out a group travelling on one plan, and it’s why Holafly isn’t our #1 for Ireland in 2026.

4. Airalo

Airalo is a consistent eSIM for Ireland on 4G LTE. It isn’t the fastest next to Ubigi or Holafly, but if reliability is what you’re after, it’s a strong pick. Plans start at $4 for 1 GB over 3 days and stretch to $37 for 50 GB over 30 days. Unlimited data starts at $10.50 for 3 days.

Airalo hasn’t reinvented anything, and it doesn’t need to. It has everything you actually want: unlimited data sharing, 24/7 support, and flexible plans you can top up mid-trip. It also offers a 30-day refund policy if you hit technical problems you can’t solve, which few rivals match.

The catch is response times: Airalo’s support remains the slowest of the five. It also has no calls or SMS plans for Ireland, which is odd given that its eSIM for Mexico includes them. All told, it’s one of the best value picks here.

5. Jetpac

Jetpac starts at only $1 for 1 GB over 4 days, officially the least expensive eSIM for Ireland. Better still, you get free data for WhatsApp Chat, Grab, Uber and Google Maps, which keeps working after your allowance runs dry. Jetpac runs on 4G and 5G, and performance was more than sufficient in our retests.

There were occasional speed drops, but nothing alarming, and its range suits both short and long stays. Unlimited data costs $33.99 for 10 days, or $12.99 for 3, which is decent against Holafly’s $50.90 for fifteen. Jetpac also runs subscriptions, JetFlex and JetPro, covering 100+ locations.

JetPro adds free lounge access if your flight is delayed or cancelled, triggered automatically, which is the one thing Saily’s lounge passes don’t do. Jetpac has 24/7 support and unlimited data sharing. No phone number, but nobody here offers one, and it still beats roaming by a mile.

Tips for Using an eSIM for Ireland

Our top picks are already good value, but you can squeeze more out of them:

• Check whether Belfast is on your route. Northern Ireland runs on UK networks, so an Irish eSIM won’t work there. Buy a regional Europe plan or a second UK eSIM.
• Buy before you fly. That way it activates the moment you land and you’re online at the airport.
• Match the plan to the trip. Don’t pay for 30 days of data when you’re there for five.
• Read the fair use policy. Unlimited rarely means unlimited: Saily throttles to 1 Mbps after 5 GB a day, while Holafly never throttles at all.
• Use Wi-Fi where you can. Save your data for when you need it, and enable a VPN to protect your privacy on café and hotel networks.

Conclusion

An eSIM in Ireland lets you dodge roaming charges and use the internet as if you were home. Ubigi, Saily, Holafly, Airalo and Jetpac are our five picks, and Ubigi stands as the #1 choice in our 2026 tests: two networks, the cheapest unlimited data at $49 a month, and uncapped tethering.

Saily has closed the gap on price, and it’s now the cheapest way in at $3.39, with security tools nobody else bundles. Holafly is the only one whose unlimited data never slows down. Airalo is the value play, and Jetpac the budget one. Compare the wider market in our ranking of the best eSIM providers.

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