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Dublin eSIM

100 Ireland plans · from $2.23

Dublin is small enough to walk but its best day trips — the Cliffs of Moher, Glendalough, the Wild Atlantic Way — are long drives into places where knowing your signal situation matters. A travel eSIM covers the city and the road trips, and it avoids the trap of assuming a UK plan works here.

Landing at Dublin Airport (DUB)

There is no rail link to the airport — you take a coach (Dublin Express or Aircoach) or a taxi into the centre, roughly 30 minutes. Coach tickets are cheapest booked in-app, which needs data before you board.

eSIM plans that cover Dublin

Dublin is covered by every Ireland plan below — there is no separate city-only eSIM to buy.

Choose a data plan

1 GB

7 days· 0.6 GB per $1

$2.23

★ BEST VALUE

Unlimited

1 days· ∞ GB per $1

$2.68

2 GB

15 days· 0.8 GB per $1

$3.31

3 GB

30 days· 0.9 GB per $1

$4.21

5 GB

30 days· 1.1 GB per $1

$5.67

Unlimited

3 days· ∞ GB per $1

$5.79

Unlimited

5 days· ∞ GB per $1

$8.88

10 GB

30 days· 1.3 GB per $1

$9.33

Unlimited

7 days· ∞ GB per $1

$11.97

20 GB

30 days· 1.5 GB per $1

$15.60

Unlimited

10 days· ∞ GB per $1

$16.22

Unlimited

15 days· ∞ GB per $1

$23.74

Which networks you'll be on in Dublin

Siima eSIMs for Ireland ride Three Ireland and Vodafone. Three has the largest subscriber network and good urban coverage; Vodafone is generally stronger along the west coast if you are heading out of Dublin.

Coverage around Dublin

Luas, DART and buses

All above ground and fully covered. The DART along the coast to Howth and Bray is one of the more scenic commuter rides in Europe and never loses signal.

City centre and Temple Bar

Solid 5G across the centre. Georgian buildings with thick walls weaken indoor signal, and the busiest Temple Bar evenings can congest local cells.

Phoenix Park and the coast

Phoenix Park — one of Europe's largest walled city parks — is covered throughout, as are the coastal paths at Howth and Killiney.

Glendalough and the west

The Wicklow Mountains hold signal on the main roads but drop in the valleys around Glendalough. The long drive west to Galway and the Cliffs of Moher has genuine dead stretches through the midlands and the Burren.

How much data you need

Three to four days in Dublin runs 2–3 GB. A week including a west-coast road trip with constant navigation is closer to 5–6 GB.

Work it out with our data usage calculator →

Frequently asked questions

Does a UK eSIM work in Dublin?
No. Ireland and the UK are separate countries for eSIM purposes — a UK plan does not cover the Republic of Ireland, and an Ireland plan does not cover Northern Ireland. If your trip includes both Dublin and Belfast, buy a Europe regional plan or two separate country plans.
Will my Ireland eSIM work if I drive to Belfast?
No. Belfast is in Northern Ireland, part of the UK, and the border has no checkpoint — your phone may roam onto a UK network and stop working on an Ireland-only plan without any obvious warning. A Europe plan covers both sides.
How do I set up an eSIM before arriving in Dublin?
Install it at home while you still have Wi-Fi: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Leave the line switched off until you land — the plan starts counting from first use in Ireland, not from purchase.
How much data do I need for a trip to Dublin?
Three to four days in Dublin runs 2–3 GB. A week including a west-coast road trip with constant navigation is closer to 5–6 GB.
Is an eSIM cheaper than roaming in Dublin?
Almost always. Daily roaming passes from most home carriers run $10–15 per day, while Siima plans covering Dublin start from $2.23 for the whole trip. You also avoid per-megabyte charges if you exceed a roaming pass allowance.
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