The best data only SIM card for mobile wifi deals on offer

  • 🏅 116 data only SIM cards for mobile wifi in price comparison

  • 💶 The best offers and discounts

  • 🕝 Last updated on 26.07.2025

≡ Sort & Filter

The most popular brands are: Scancom, love 2 surf, and EE.Today's offer is Three 25GB Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th FEBRUARY 2027 – No Contract – Plug & Play for Business Broadband, Routers & Phones with 54% discount.The lowest price we found in our deals is £ 0.99 . The highest price in our price comparison is £ 139.99 .

© 2025 GCN GLOBAL COMPARISON NETWORK. ALL CONTENT IS SUBJECT TO OUR COPYRIGHT.