eSIM Ireland
Ireland eSIM from 1,95€ on Vodafone, Three and eir, from 1 GB to 20 GB or unlimited — prepaid, no contract, no registration, online the moment you land at Dublin Airport.
Fair Use Policy
2GB highspeed/day, then unlimited at 1Mbps
Your Selection
Your plan only starts counting when the eSIM first connects at your destination — so you can buy today and travel in three weeks.
How does Simbye eSIM work for Ireland?
Get connected in under 2 minutes
Set it up before you fly
After buying you get an email with a setup link and a QR code. Install the eSIM calmly at home on Wi-Fi — nothing is used up yet. The validity only starts when you first connect to a network in Ireland.
Switch it on after landing
Whether you arrive at Dublin (DUB), Cork (ORK), Shannon (SNN), Ireland West Airport Knock (NOC) or Kerry (KIR), or step off the ferry at Dublin Port or Rosslare: airplane mode off, data roaming on for the Simbye line, data off on your own SIM. You are online in a minute or two.
Top up as you go
Your account shows how much data is left at any time. When it runs low you top up in a few minutes — same eSIM, no new QR code, no reinstalling. Hotspot for a laptop, a tablet or the people you travel with is allowed.
Check Device Compatibility
Make sure your device supports eSIM before purchasing
Which networks will you be on in Ireland?
Your phone picks the strongest Irish network on its own — Vodafone, Three or eir, with nothing for you to set up.
The Simbye eSIM uses 3 networks in Ireland: Vodafone · H3G Ireland · Meteor Mobile Ireland.
Vodafone
H3G Ireland
Source: nPerf averages, 01.01.2025 – 31.12.2025.
The eSIM is not tied to one operator. It may register on Vodafone, on Three (H3G Ireland) and on eir (Meteor Mobile Ireland), and it takes whichever comes in strongest where you are standing. If it loses that network on the way it can move to another one in the background. There is no APN to type in anywhere. If nothing connects at all, turn off automatic network selection in your settings, pick a network by hand, then switch back to automatic.
At Dublin Airport, Shannon and Cork Airport you are usually connected before you reach baggage reclaim. Dublin, Cork, Galway, Limerick, Waterford and Kilkenny are covered throughout, as are the M50 around Dublin and the motorways to Cork, Limerick and Galway. Killarney, Westport, Kinsale and Dingle town hold a steady signal too, and so do the ferry ports at Dublin Port and Rosslare. It thins out exactly where the good photographs happen: the R336 coast road through An Spidéal and Indreabhán in Connemara, the mountain roads of the Dingle and Beara peninsulas, large parts of Donegal and north Mayo, the valleys of the Wicklow Mountains and the Aran Islands. These dead spots hit every Irish SIM the same way — Vodafone is generally regarded as the steadiest of the three in the countryside. Download the map for the day's drive before you set off.
eSIM or a local SIM card in Ireland?
Ireland comes down to what you need: the eSIM is live as you land at Dublin Airport and keeps your own number reachable, while a shop card gets you an Irish +353 number. Belfast runs on UK networks either way.
What roaming on your own contract costs in Ireland
Most people flying into Dublin from far away — the United States, Canada, Australia, the Gulf, Brazil, Japan — pay their home operator a daily flat rate for every day the phone is switched on abroad. Per day, per device, and a ten-day round trip adds up quietly in the background. That is by far the most common reason someone goes looking for a prepaid eSIM for Ireland.
Even when roaming is included in your plan, there is almost always a ceiling on how much data you may use outside your own country, well below what you get at home. A week on the Wild Atlantic Way with navigation running, photos syncing and constant map searching reaches that ceiling fast, and after that it is either throttled or billed by the megabyte. A second line purely for data is the calmer answer: it is paid before you leave, it cannot grow, and nothing appears on your phone bill afterwards. The same goes for a work phone you would rather not fill up privately, and for a tablet that has no plan of its own.
One case comes up in Ireland more than anywhere else: people crossing over from the United Kingdom. Some UK operators include the Republic of Ireland in the plan without an extra charge, others add a daily fee. What applies to yours is in your contract terms — worth a look before you fly, because Dublin and Belfast sit in two different countries as far as your phone is concerned.
Where the networks in Ireland actually reach
Ireland has three national mobile networks: Vodafone, Three (H3G Ireland) and eir (Meteor Mobile Ireland). This eSIM may use all three and takes whichever is strongest. You decide nothing, the phone handles it in the background, and there is nothing to register and no contract behind it.
In the cities you need not think about it. Dublin, Cork, Galway, Limerick, Waterford and Kilkenny are covered throughout, as are the M50 around Dublin and the motorways to Cork, Limerick and Galway. Killarney, Westport, Kinsale, Dingle town and the larger places along the Wild Atlantic Way hold a steady signal, and so do Dublin Airport, Shannon, Cork Airport and the ferry ports at Dublin Port and Rosslare.
Being honest about the rest: Ireland has dead spots, and they sit exactly where you are going. The R336 coast road through An Spidéal and Indreabhán in Connemara is notorious for it, as are the mountain roads on the Dingle and Beara peninsulas, large parts of Donegal and north Mayo, the valleys of the Wicklow Mountains and the Aran Islands. On some passes you get nothing at all for twenty minutes, and that is true of every Irish SIM equally. So the practical advice for Ireland is always the same: download the Google Maps area for the day's drive, write down the Eircode of your accommodation rather than just the place name, and save your booking confirmations before you set off instead of trying to open them on the road.
How much data do you need in Ireland?
So you can work it out instead of guessing: how much an hour costs in the apps you actually use on holiday.
Just staying reachable
1–3 GB
Messages, the map now and then, checking mail. Everything else runs on the hotel Wi-Fi.
An ordinary holiday
5–10 GB
Navigating, social media, uploading photos, a few videos in the evening.
Out a lot, or a laptop along
20 GB and up
Streaming in the evening, video calls home, keeping a laptop or tablet online through your phone.
Data used per hour
The Netflix and Spotify figures come from the providers themselves (Netflix Help Center, Spotify Support, retrieved 28 Aug 2026). The rest are network-operator estimates (o2, Vodafone, EE) and vary with picture quality and reception.
What does an eSIM for Ireland cost?
Simbye offers 8 plans for Ireland from €1,95 to €47,95 — data packs from €1,95, unlimited from €18,95. Prepaid, no contract.
Plans for Ireland range from 1 GB to 20 GB, plus unlimited options.
Validity runs from 7 to 30 days and starts with your first connection in Ireland.
from €1,95
8 plans · 7–30 days · unlimited from €18,95
- 1 GB €1,95 7 days €0,27 per travel day
- 3 GB €9,95 30 days €0,33 per travel day
- 5 GB €5,95 30 days €0,19 per travel day
- 10 GB €11,95 30 days €0,39 per travel day
- 20 GB €17,95 30 days €0,59 per travel day
- Unlimited €18,95 7 days €2,70 per travel day
- Unlimited €33,95 15 days €2,26 per travel day
- Unlimited €47,95 30 days €1,59 per travel day
Good to know
- Networks
- Vodafone + H3G Ireland + Meteor Mobile Ireland
- Setting it up
- A link in your email, or the QR code — one tap is enough
- Network technology
- 4G/LTE — and 5G where the network already offers it
- APN and settings
- Nothing to set. The eSIM brings everything with it
- Hotspot
- Allowed — for a laptop, tablet or a travel companion
- Adding more data
- Top up any time, without setting anything up again
- Calls and texts
- Not included — WhatsApp calls run over the data
- Your own number
- Stays in the phone and stays reachable
- Contract
- None. The plan ends by itself
- Worth knowing
- Prepaid instead of a contract — useful as a second line, or when your own data allowance is used up
Frequently Asked Questions about Ireland eSIM
Data, calls, real phone numbers, top-ups and setup — everything you need to know before you buy a Simbye eSIM.
