Popular 30-day SIM Only Deals

There's no need to commit to lengthy contracts with these monthly offers

30-day contracts give you the flexibility of Pay-As-You-Go but with the benefits of a contract SIM.

Enjoy large monthly allowances, no topping up, and no worries about running out of credit.

matching SIM deals found.
  • iD 30 D 150/UL/500MB
    Contract 30 days (rolling)
    Mins 150 /month
    Texts UL unlimited
    Data 500MB /month
    • EU Roaming Included
    • Data Rollover
    • Spend Cap
    iD Mobile Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • No Tethering
    • Roaming CostsEU Roaming Included
  • GiffGaff 150/500/500MB
    Contract 30 days (rolling)
    Mins 150 /month
    Texts 500 /month
    Data 500MB /month
    • Free Calls to GiffGaff numbers
    • Free texts to GiffGaff numbers
    • Award Winning Provider
    GiffGaff Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • 100MB Tether Data Use your Allowance for tethering
    • Roaming CostsEU Roam Like Home
  • iD 30 D 500/UL/1GB
    Contract 30 days (rolling)
    Mins 500 /month
    Texts UL unlimited
    Data 1GB /month
    • EU Roaming Included
    • Data Rollover
    • Spend Cap
    iD Mobile Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • No Tethering
    • Roaming CostsEU Roaming Included
  • Plusnet 250/500/500MB
    Contract 30 days (rolling)
    Mins 250 /month
    Texts 500 /month
    Data 500MB /month
    • Billing SmartCap
    • Tethering Included
    • Roam Like at Home
    Plusnet Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your Allowance for tethering
    • Roaming CostsRoam Like at Home
  • Plusnet UL/UL/1.5GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 1.5GB /month
    • Billing SmartCap
    • Tethering Included
    • Roam Like at Home
    Plusnet Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your allowance for thethering
    • Roaming CostsRoam Like at Home
  • Smarty UL/UL/2GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 2GB /month
    • Discount on Unused Data
    • Refer a Friend Benefits
    • Use your Data Allowance for Thethering
    Smarty Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your Allowance for tethering
    • Roaming CostsEU Roaming Included
  • GiffGaff 250/UL/2GB
    Contract 30 days (rolling)
    Mins 250 /month
    Texts UL unlimited
    Data 2GB /month
    • Free Calls to GiffGaff numbers
    • Free Texts to GiffGaff numbers
    • Award Winning Provider
    GiffGaff Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your Allowance for tethering
    • Roaming CostsEU Roam Like Home
  • Tesco 250/5000/250MB 30 Day
    Contract 30 days (rolling)
    Mins 250 /month
    Texts 5000 /month
    Data 250MB /month
    • Family Perks for more than One Sim
    • Capped Contract
    • Get £3 a Month off with Tesco Xtras
    Tesco Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • No Tethering
    • Roaming CostsHome from Home Roaming
  • iD 30 D 500/UL/4GB
    Contract 30 days (rolling)
    Mins 500 /month
    Texts UL unlimited
    Data 4GB /month
    • Black Tag Deal!
    • EU Roaming Included
    • Data Rollover
    iD Mobile Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • No Tethering
    • Roaming CostsEU Roaming Included
  • Plusnet UL/UL/3GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 3GB /month
    • Billing SmartCap
    • Tethering Included
    • Roam Like at Home
    Plusnet Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your allowance for thethering
    • Roaming CostsRoam Like at Home
  • Hurry! Offer Ends:
    Plusnet UL/UL/3.5GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 3.5GB /month
    • Billing SmartCap
    • Tethering Included
    • Roam Like at Home
    Plusnet Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your allowance for tethering
    • Roaming CostsRoam Like at Home
  • Three One Month 2GB
    Contract 30 days (rolling)
    Mins -
    Texts -
    Data 2GB /month
    • Award winning for Mobile Data
    • Feel at Home Europe
    • Set Usage Limits and Alerts
    Three Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed
    • Roaming CostsFeel at Home Europe
  • Plusnet UL/UL/5GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 5GB /month
    • Billing SmartCap
    • Tethering Included
    • Roam Like at Home
    Plusnet Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your allowance for tethering
    • Roaming CostsRoam Like at Home
  • GiffGaff UL/UL/3GB
    Contract 30 days (rolling)
    Mins UL unlimited
    Texts UL unlimited
    Data 3GB /month
    • Free Calls to GiffGaff numbers
    • Free Texts to GiffGaff numbers
    • Award Winning Provider
    GiffGaff Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • Tethering Allowed Use your Allowance for tethering
    • Roaming CostsEU Roam Like Home
  • Tesco 500/5000/1GB 30 Day
    Contract 30 days (rolling)
    Mins 500 /month
    Texts 5000 /month
    Data 1GB /month
    • Family Perks for more than One Sim
    • Capped Contract
    • Get £3 a Month off with Tesco Xtras
    Tesco Standard/Micro/Nano SIM
    • Internationalno information
    • Wifi Hotspotsno information
    • No Tethering
    • Roaming CostsHome from Home Roaming