Three Mobile SIM Only Deals
Three Mobile offers some of the best value SIM-only deals in the UK, with generous data allowances, UK voice calls, and free roaming data included. Holiday eSIM stocks Three Mobile eSIM plans that you can activate instantly without visiting a store.
Three Mobile eSIM Plans
| Plan | UK Data | Roaming | Price |
|---|---|---|---|
| Three Mobile eSIM AIO10 | 40GB | 6GB Free | £10.00 |
| Three Mobile eSIM AIO15 | 100GB | 12GB Free | £15.00 |
| Three Mobile 200GB | 200GB | 18GB Free | £20.00 |
| Three Mobile 30 Days Unlimited | Unlimited | 30GB Free | Premium |
| Three Mobile Unlimited 90 Days | Unlimited | 30GB/month Free | Premium |
Why Choose Three Mobile?
Three Mobile plans include UK voice calls and texts alongside generous data. Every plan comes with free roaming data, making them excellent for UK residents who travel to Europe regularly. The eSIM format means instant activation with no waiting for delivery.
How to Switch to Three Mobile eSIM
Purchase your Three Mobile eSIM plan from Holiday eSIM, receive your activation QR code by email, and scan it with your eSIM-compatible phone. You can keep your existing number by requesting a PAC code from your current provider.