RoameSIM plans for United Kingdom
6,631 live plans from 62 providers, ranked on what a gigabyte actually costs rather than on the sticker price. Checked 13 October 2026
£0.04
Lowest per GB
Cheapest honest gigabyte here
£1.03
Median per GB
Unlimited and fair-use excluded
£0.63–2.27
Typical band
Where most plans land
57%
Advertise 5G
63% allow hotspot
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