Overview

• Nine UK mobile providers, including Tesco Mobile, BT Mobile, and GiffGaff, now offer free roaming in Europe under varying data caps.
• O2 is the only major network still providing free roaming in its 'Europe Zone' with a 25GB cap, distinguishing itself from competitors.
• Fair-use data limits range from 5GB (Asda Mobile, GiffGaff) to 30GB (iD Mobile, Lebara), with overage costs at 10p per MB for some providers.
• Experts from Uswitch recommend setting spending caps with carriers to prevent unexpected roaming charges while traveling.
• eSIM technology is highlighted as a cost-effective alternative, allowing travelers to access local network rates without physical SIM cards.