Cheapest mobile plan in Ireland (October 2026)

46 plans · 10 brands · checked at the operator's own pages · data as of 12 October 2026 · Method 0.7.2

Prices checked on each operator's own website · dated · no commissions or paid placement. method. — Veritaset data team

Cheapest by monthly data

Average monthly cost over 12 months, or over the minimum contract if longer, including promotions, one-off fees and calls or SMS beyond the bundle at the operator's own rate; each row's assumptions are shown, as defined in the method. Rank plans for your own use: personal ranking.

Facts per operator

All 46 plans

Not compared yet

These brands sell in Ireland but are not compared here yet. Their website refuses automated reading, and we respect that. We collect such operators' plans by hand instead, from their own website in a normal browser; until that is done, they are not compared.

Computed = EU legal minimum, used where the operator states no figure. Prices include VAT and are indicative; the operator's own checkout price is binding.

Frequently asked questions

What is the cheapest plan with 5 GB?

Lycamobile National S (long term), €6.25/month.

lycamobile.ie · 2026-10-12

Can I cancel every month?

Yes: 32 of 46 plans can be cancelled any month. Cheapest: Lycamobile Data XS, €5.35/month.

lycamobile.ie · 2026-10-12

Which operators offer eSIM, and which is cheapest?

GoMo, Lidl Connect, Lycamobile, Sky Mobile, Three, Vodafone offer eSIM. Cheapest eSIM plan: Lycamobile Data XS, €5.35/month.

lycamobile.ie · 2026-10-12

How much EU roaming data do I get?

45 of 46 plans state their own EU allowance; the rest get the legal minimum (computed). Largest stated allowance: Vodafone Ultra SIM Only, 80 GB.

vodafone.ie · 2026-10-12

Which operator is cheapest overall, and how does the next cheapest differ?

Lycamobile Data XS is cheapest at €5.35/month; the next cheapest different operator is Lidl Connect at €8.99/month (€3.64/month more). Lycamobile Data XS includes 3 GB in the EU, Lidl Connect 50 GB.

lycamobile.ie · 2026-10-12 · lidl.ie · 2026-10-12

How do I switch operator and keep my number?

You can contact a new provider who should lead the switching process. They contact your old provider and manage the switch for you so you don’t have to coordinate between them. When problems arise, you shouldn’t be without service for more than one working day. Service providers must compensate customers for problems that might happen when switching. You are entitled to keep your number free of charge and generally there aren’t charges to switch provider. Yes, you can get a refund of any unused credit for prepaid services when you request it back.

comreg.ie · 2026-10-19