Compare Three mobile plans (October 2026)
Three sells 6 mobile plans in Ireland, from €20.00/month (Three SIM Core).
Operator facts
| Activation fee | eSIM | Network | Contract | EU roaming | Promo code | Source · checked |
|---|---|---|---|---|---|---|
| unknown | Yes | Three | 12-month contract | 35 GBstated | unknown | three.ie · |
All plans
- Three SIM Core costs €20.00 a month, includes Unlimited data and Unlimited, 12-month contract, EU allowance 35 GBstated. Order at three.ie/plans/bill-pay-sim-only.html Go to Three. checked
- Three Super Surfer costs €21.43 a month, includes Unlimited data and 200 minutes, prepaid, no subscription, EU allowance 30 GBstated. Order at three.ie/plans/prepay-sim-only.html Go to Three. checked
- Three Total Talker costs €21.43 a month, includes 10 GB data and Unlimited, prepaid, no subscription, EU allowance 10 GBstated. Order at three.ie/plans/prepay-sim-only.html Go to Three. checked
- Three Connect Complete costs €26.79 a month, includes Unlimited data and Unlimited, prepaid, no subscription, EU allowance 37 GBstated. Order at three.ie/plans/prepay-sim-only.html Go to Three. checked
- Three SIM Freedom 24M costs €28.00 a month (new customers pay €14.00/month; the discount then lasts 6 months, after which €28.00/month applies; €252.00 over 12 months, €588.00 over 24 months, code FREEDOM14), includes Unlimited data and Unlimited, 24-month contract, EU allowance 60 GBstated. Promo code FREEDOM14 required: EUR 14/month for 6 months, EUR 28/month thereafter on a 24-month contract. No end date stated.. Order at three.ie/plans/bill-pay-sim-only.html Go to Three. checked
- Three SIM Flex 5G 30 Day costs €34.99 a month, includes Unlimited data and Unlimited, no contract, EU allowance 60 GBstated. Order at three.ie/plans/bill-pay-sim-only.html Go to Three. checked
Three eSIM
3 of the 6 Three plans state eSIM. The cheapest with eSIM is Three SIM Core, at €20.00 a month. For 3 plans Three does not say whether eSIM is possible.
Three roaming
Elsewhere in the EU, Three plans give 10 to 60 GB, as Three states.
Who it's cheapest for
Not the cheapest for any of the 6 standard situations we compare.
- For Data only, no calls needed (1 GB+), Three SIM Core costs €20.00/month; Lycamobile Data XS is cheaper at €5.35/month, about €175.80/year less over a year (effective cost, fees and extra use included).
- For 5 GB+, Three SIM Core costs €20.00/month; Lycamobile National S (long term) is cheaper at €6.25/month, about €165.00/year less over a year (effective cost, fees and extra use included).
- For 20 GB+, Three SIM Core costs €20.00/month; Lidl Connect is cheaper at €8.99/month, about €132.12/year less over a year (effective cost, fees and extra use included).
- For 50 GB+, Three SIM Core costs €20.00/month; Lidl Connect is cheaper at €8.99/month, about €132.12/year less over a year (effective cost, fees and extra use included).
- For 100 GB+, Three SIM Core costs €20.00/month; Lidl Connect is cheaper at €8.99/month, about €132.12/year less over a year (effective cost, fees and extra use included).
- For Unlimited data, Three SIM Core costs €20.00/month; Lidl Connect is cheaper at €8.99/month, about €132.12/year less over a year (effective cost, fees and extra use included).
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