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SIM-Only Deals

Compare SIM-only plans across all major UK networks. Filter by price, data, and contract length. All prices are indicative — check providers for current offers.

Last updated: 15 January 2025

12 deals found
SMARTY
15GB data·No contract
No contractUnused data creditTransparent pricing
£7
/month
Go to deal
iD Mobile
30GB data·No contract
Data rolloverNo contract5G included
£8
/month
Go to deal
Sky Mobile
10GB data·No contract
Piggybank data rolloverSky perksNo contract
£9
/month
Go to deal
Three
Best Value
Featured
100GB data·No contract
No contract5G includedGo Roam in 71 destinations
£10
/month
Go to deal
VOXI
15GB data·No contract
Endless social mediaNo contracteSIM
£10
/month
Go to deal
SMARTY
Best Budget Unlimited
Unlimited data·No contract
No contractUnlimited dataUnused data credit
£16
/month
Go to deal
O2
50GB data·12 months
Priority rewardsRoaming in 75+ destinationseSIM
£16
/month
Go to deal
EE
Best Coverage
Featured
50GB data·12 months
Best UK coverage5G includedWi-Fi calling
£18
/month
Go to deal
Three
Unlimited
Featured
Unlimited data·No contract
No contractUnlimited data5G included
£20
/month
Go to deal
VOXI
Unlimited data·No contract
Endless social mediaUnlimited dataNo contract
£22
/month
Go to deal
O2
Unlimited data·12 months
Priority rewardsRoaming in 75+ destinationseSIM
£25
/month
Go to deal
EE
Unlimited data·24 months
Best UK coverage5G includedWi-Fi calling
£30
/month
Go to deal
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