For most trips to Ireland, a prepaid travel eSIM is cheaper than international roaming on an Australian plan, and you can install it before you leave. Coverage runs on local networks (Vodafone, Three and Eir); travel eSIMs are usually data-only, so check whether you need a local phone number. Airalo’s Ireland eSIM started from US$4.00, with unlimited plans from US$11.50 for 3 days (3GB a day, then 1 Mbps), when we checked on 30 October 2026.
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Updated
Ireland eSIM prices we verified (checked October 2026)
We have not yet hand-checked every provider for Ireland, so this table shows only what we verified today: Airalo’s Ireland plans. Fixed-data plans start from US$4.00.
| Airalo plan | Data | Price | Deal |
|---|---|---|---|
| 3 days | 1GB | US$4.00 | US$4 · 15% off → |
| 7 days | 5GB | US$10.00 | US$10 · 15% off → |
| 15 days | 10GB | US$15.00 | US$15 · 15% off → |
| 30 days | 10GB | US$17.00 | US$17 · 15% off → |
| 30 days | 20GB | US$25.50 | US$25.50 · 15% off → |
| 30 days | 50GB | US$42.00 | US$42 · 15% off → |
| 3 days | Unlimited (3GB a day, then 1 Mbps) | US$11.50 | US$11.50 · 15% off → |
| 7 days | Unlimited (3GB a day, then 1 Mbps) | US$27.00 | US$27 · 15% off → |
| 15 days | Unlimited (3GB a day, then 1 Mbps) | US$48.50 | US$48.50 · 15% off → |
| 30 days | Unlimited (3GB a day, then 1 Mbps) | US$71.00 | US$71 · 15% off → |
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Airalo prices checked on Airalo’s own site on 30 October 2026, in US dollars; providers change prices without notice, so confirm before you buy. Airalo lists Three as the network for this eSIM.
Coverage and networks in Ireland
Ireland’s networks are Vodafone, Three and Eir. Airalo’s Ireland eSIM uses Three (4G listed). Dublin, Cork and Galway are well covered; along the Wild Atlantic Way and in rural areas signal can be patchy.
How much data you need for Ireland
- Light use (maps, messaging, a little browsing): roughly 0.5–1GB a day.
- Moderate use (social media, photo uploads, rideshare apps): about 1–2GB a day.
- Heavy use (video calls, streaming, hotspot for a laptop): 3GB a day or more — check fair-use caps and hotspot rules first.
These are general estimates, not measurements. Hotel and café wi-fi can stretch a smaller plan.
eSIM vs roaming vs local SIM
| Option | Set-up | Typical trade-off |
|---|---|---|
| Travel eSIM | Online, before you fly | Usually data-only; often cheapest for short trips |
| Australian roaming pack | Nothing to install | Keeps your number; usually more per GB |
| Local Ireland SIM | Airport or shop, with ID | Local number; queues and registration |
Need calls or a local number? See eSIMs with a phone number.
Ireland, Northern Ireland and the UK
Northern Ireland (Belfast, the Giant’s Causeway) is part of the UK, not Ireland. An Ireland-only plan may not cover it, so if your road trip crosses the border, or you’re also visiting Britain, choose a plan that lists both Ireland and the United Kingdom, such as a Europe plan that includes the UK. UK eSIM guide → · Europe eSIMs compared →
How to install and when to activate
Check first that your phone supports eSIM and is unlocked. Install the eSIM at home on wi-fi, then switch it on and enable data roaming for that line when you land. Step-by-step activation guide → Comparing providers? Read our Airalo review, Nomad review or every destination compared. We haven’t yet hand-checked Saily, Nomad or Ubigi prices for Ireland, so they’re not in the table above.
Airalo sells a dedicated Ireland eSIM, plus regional and global plans that include Ireland.
See Airalo Ireland plans →Affiliate note: Traviva earns a commission if you buy through this Airalo link, at no extra cost to you. It does not change anything this page says about Airalo or any other provider — see our disclosure.
Questions travellers ask
Does an eSIM work in Ireland?
Yes. Travel eSIMs for Ireland connect to local networks such as Vodafone, Three and Eir, as long as your phone supports eSIM and is unlocked.
When should I activate my eSIM?
Install it at home on wi-fi a day or two before you fly and switch it on, with data roaming enabled for that line, when you land. Check whether your plan’s validity starts at installation or first connection.
Will my phone work with an eSIM?
It will if it has an eSIM chip and is carrier-unlocked. On iPhone, look for an EID under Settings > General > About; on Android, look for Add eSIM in SIM settings or dial *#06#.
Do I get a local phone number with an Ireland eSIM?
Usually not. Most travel eSIMs are data-only, so you call and message over apps such as WhatsApp. Some providers sell plans with a number, minutes or texts; check the plan details.
Is an unlimited Ireland eSIM really unlimited?
No. Airalo’s unlimited Ireland plans slow to 1 Mbps after 3GB a day (checked 30 October 2026). For most trips a fixed-data plan is cheaper. Every provider’s daily cap →
Does an Ireland eSIM work in Northern Ireland?
Not necessarily. Northern Ireland is part of the UK, so check that the plan lists the United Kingdom as well as Ireland, or use a Europe plan that covers both.
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