Compare Mobile SIM Only Deals

Compare the best mobile SIM deals from the UK's mobile providers. All mobile SIM only deals offer a choice of Standard, Micro or Nano SIM size (multi SIM) to fit your 3G, 4G or 5G mobile phone. Switch from your current network and save money with this range of 30 day, 12 month and 24 month contract SIM deals with unlimited data allowances and special features like data rollover and data sharing.

Featured September 2023 Mobile SIM Only deals

Provider	Deal Information	Mins	Texts	Data	Contract Period	Costs	Visit Provider Website
Monthly cost £16.00 (£0.00 initial cost)	Tesco Mobile 100GB SIM only Clubcard Price Uses The O2 Network Includes EU Roaming For All Of 2023 Price Frozen For The Length Of The Contract £30 Clubcard Voucher Works On 4G & 5G Unlimited minutes Unlimited texts 100GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	100GB data	24 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £16.50 (£0.00 initial cost)	EE Mobile Unlimited SIM only HALF PRICE For 6 Months 5G SIM Plan (For 5G Phones + Compatible With 4G Handsets) Use Your Data, Calls & Texts In The EU (EE Roam Abroad Pass Required) Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts Unlimited data Contract period: 24 months	Unlimited minutes	Unlimited texts	Unlimited data	24 months	Monthly cost £16.50 (£0.00 initial cost)	Go to the EE Mobile website

Latest September 2023 search results for Mobile SIM Only deals

The results below are sorted by monthly cost. Please sort by your own purchase criteria to find a SIM-only deal that best suits your needs, then start your order.

Provider	Deal Information	Mins	Texts	Data	Contract Period	Costs	Visit Provider Website
Monthly cost £6.00 (£0.00 initial cost)	iD Mobile 6GB SIM only Uses The Three Network All Plans Come With Data Rollover, Capping & Inclusive EU Roaming Unlimited minutes Unlimited texts 6GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	6GB data	1 month	Monthly cost £6.00 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £7.00 (£0.00 initial cost)	Vodafone Mobile 6GB SIM only Vodafone Basics UK Only SIM Plan Automatic Cap On Your Data To Stop Any Overspending Always Be In Control Of Your Budget Hurry! Ends Soon Unlimited minutes Unlimited texts 6GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	6GB data	12 months	Monthly cost £7.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £8.00 (£0.00 initial cost)	Sky Mobile 8GB SIM only Uses The O2 Network DOUBLE DATA Offer FREE Calls To UK Based Customer Service Roll Over All Your Unused Data For Up To 3 Years Mix Your Data, Calls & Texts Every Month Unlimited Streaming On All Sky Apps Share Spare Data In Your Piggybank With Up To 7 SIMs On Your Account Unlimited minutes Unlimited texts 8GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	8GB data	12 months	Monthly cost £8.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £10.00 (£0.00 initial cost)	iD Mobile 70GB SIM only Uses The Three Network All Plans Come With Data Rollover, Capping & Inclusive EU Roaming Unlimited minutes Unlimited texts 70GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	70GB data	1 month	Monthly cost £10.00 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £10.00 (£0.00 initial cost)	3 30GB SIM only 5G At No Extra Cost Personal Hotspot Go Roam Around The World Unlimited minutes Unlimited texts 30GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	30GB data	12 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the 3 website
Monthly cost £10.00 (£0.00 initial cost)	Tesco Mobile 12GB SIM only Clubcard Price Uses The O2 Network Includes EU Roaming For All Of 2023 Price Frozen For The Length Of The Contract Works On 4G & 5G Unlimited minutes Unlimited texts 12GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	12GB data	24 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £10.00 (£0.00 initial cost)	Vodafone Mobile 40GB SIM only Vodafone Basics UK Only SIM Plan Automatic Cap On Your Data To Stop Any Overspending Always Be In Control Of Your Budget Hurry! Ends Soon Unlimited minutes Unlimited texts 40GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	40GB data	12 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £10.00 (£0.00 initial cost)	Sky Mobile 20GB SIM only Uses The O2 Network DOUBLE DATA Offer FREE Calls To UK Based Customer Service Roll Over All Your Unused Data For Up To 3 Years Mix Your Data, Calls & Texts Every Month Unlimited Streaming On All Sky Apps Share Spare Data In Your Piggybank With Up To 7 SIMs On Your Account Unlimited minutes Unlimited texts 20GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	20GB data	12 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £10.00 (£0.00 initial cost)	VOXI Mobile 30GB SIM only DOUBLE DATA Offer Uses The Vodafone Network (5G Ready) Rolling 30-Day Subscription Without A Contract - Cancel Anytime Unlimited Use Of 7 Social Media Apps Without Eating Into Your Data (UK Only) More Ways To Connect - Wi-Fi Calling + 4G Calling + Visual Voicemail Unlimited minutes Unlimited texts 30GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	30GB data	1 month	Monthly cost £10.00 (£0.00 initial cost)	Go to the VOXI Mobile website
Monthly cost £11.00 (£0.00 initial cost)	Tesco Mobile 30GB SIM only Clubcard Price Uses The O2 Network Includes EU Roaming For All Of 2023 Price Frozen For The Length Of The Contract Works On 4G & 5G Unlimited minutes Unlimited texts 30GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	30GB data	24 months	Monthly cost £11.00 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £12.00 (£0.00 initial cost)	3 100GB SIM only 5G At No Extra Cost Personal Hotspot Go Roam Around The World Unlimited minutes Unlimited texts 100GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	100GB data	12 months	Monthly cost £12.00 (£0.00 initial cost)	Go to the 3 website
Monthly cost £13.00 (£0.00 initial cost)	O2 1GB SIM only Get VIP Treatment With Freebies & Prize Draws On O2 Priority Get Double Data When Your Home Also Has Virgin Media Broadband FREE O2 Wi-Fi When You Are Out & About Roam Freely In The EU Up To 25GB (O2 Is The Only Major Network That Does Not Charge For EU Roaming Up To 25GB) 3 Months FREE Disney+ Unlimited minutes Unlimited texts 1GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	1GB data	12 months	Monthly cost £13.00 (£0.00 initial cost)	Go to the O2 website
Monthly cost £15.00 (£0.00 initial cost)	Vodafone Mobile 5GB SIM only Includes 2 Roam Free Destinations (Ireland & Isle Of Man - Pay Extra For Other European & Worldwide Destinations) Flexible Upgrades Available After Just 3 Months 3 Month FREE Trial Of Secure Net Hurry! Ends Soon Unlimited minutes Unlimited texts 5GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	5GB data	24 months	Monthly cost £15.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £15.00 (£0.00 initial cost)	Sky Mobile 60GB SIM only Uses The O2 Network DOUBLE DATA Offer FREE Calls To UK Based Customer Service Roll Over All Your Unused Data For Up To 3 Years Mix Your Data, Calls & Texts Every Month Unlimited Streaming On All Sky Apps Share Spare Data In Your Piggybank With Up To 7 SIMs On Your Account Unlimited minutes Unlimited texts 60GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	60GB data	12 months	Monthly cost £15.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £15.00 (£0.00 initial cost)	VOXI Mobile 90GB SIM only TRIPLE DATA Offer Uses The Vodafone Network (5G Ready) Rolling 30-Day Subscription Without A Contract - Cancel Anytime Unlimited Use Of Social Media, Music & Video Across 20 Apps Without Eating Into Your Data (UK Only) More Ways To Connect - Wi-Fi Calling + 4G Calling + Visual Voicemail Unlimited minutes Unlimited texts 90GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	90GB data	1 month	Monthly cost £15.00 (£0.00 initial cost)	Go to the VOXI Mobile website
Monthly cost £16.00 (£0.00 initial cost)	iD Mobile Unlimited SIM only Uses The Three Network All Plans Come With Data Rollover, Capping & Inclusive EU Roaming Unlimited minutes Unlimited texts Unlimited data Contract period: 12 months	Unlimited minutes	Unlimited texts	Unlimited data	12 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £16.00 (£0.00 initial cost)	3 Unlimited SIM only 5G At No Extra Cost Personal Hotspot Go Roam Around The World Unlimited minutes Unlimited texts Unlimited data Contract period: 12 months	Unlimited minutes	Unlimited texts	Unlimited data	12 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the 3 website
Monthly cost £16.00 (£0.00 initial cost)	Tesco Mobile 100GB SIM only Clubcard Price Uses The O2 Network Includes EU Roaming For All Of 2023 Price Frozen For The Length Of The Contract £30 Clubcard Voucher Works On 4G & 5G Unlimited minutes Unlimited texts 100GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	100GB data	24 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £16.50 (£0.00 initial cost)	EE Mobile Unlimited SIM only HALF PRICE For 6 Months 5G SIM Plan (For 5G Phones + Compatible With 4G Handsets) Use Your Data, Calls & Texts In The EU (EE Roam Abroad Pass Required) Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts Unlimited data Contract period: 24 months	Unlimited minutes	Unlimited texts	Unlimited data	24 months	Monthly cost £16.50 (£0.00 initial cost)	Go to the EE Mobile website
Monthly cost £17.00 (£0.00 initial cost)	EE Mobile 5GB SIM only 5G SIM Plan (For 5G Phones + Compatible With 4G Handsets) Use Your Data, Calls & Texts In The EU (EE Roam Abroad Pass Required) Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts 5GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	5GB data	24 months	Monthly cost £17.00 (£0.00 initial cost)	Go to the EE Mobile website
Monthly cost £18.00 (£0.00 initial cost)	EE Mobile Unlimited SIM only HALF PRICE For 6 Months 5G SIM Plan (For 5G Phones + Compatible With 4G Handsets) Use Your Data, Calls & Texts In The EU (EE Roam Abroad Pass Required) One Extra Included For The Length Of The Contract - Choose From Netflix, TNT Sports Ultimate, Apple Music Or An EE Roam Abroad Pass Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts Unlimited data Contract period: 24 months	Unlimited minutes	Unlimited texts	Unlimited data	24 months	Monthly cost £18.00 (£0.00 initial cost)	Go to the EE Mobile website
Monthly cost £20.00 (£0.00 initial cost)	O2 25GB SIM only Get VIP Treatment With Freebies & Prize Draws On O2 Priority Get Double Data When Your Home Also Has Virgin Media Broadband FREE O2 Wi-Fi + Roam Freely In The EU Up To 25GB (O2 Is The Only Major Network That Does Not Charge For EU Roaming Up To 25GB) 3 Months FREE Apple Music + Choose From 3 Months FREE Disney+, Amazon Prime Video, Amazon Music Unlimited Or Audible Unlimited minutes Unlimited texts 25GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	25GB data	12 months	Monthly cost £20.00 (£0.00 initial cost)	Go to the O2 website
Monthly cost £20.00 (£0.00 initial cost)	Vodafone Mobile 150GB SIM only Includes 2 Roam Free Destinations (Ireland & Isle Of Man - Pay Extra For Other European & Worldwide Destinations) Flexible Upgrades Available After Just 3 Months 3 Month FREE Trial Of Secure Net Hurry! Ends Soon Unlimited minutes Unlimited texts 150GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	150GB data	24 months	Monthly cost £20.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £20.00 (£0.00 initial cost)	Sky Mobile 100GB SIM only Uses The O2 Network DOUBLE DATA Offer FREE Calls To UK Based Customer Service Roll Over All Your Unused Data For Up To 3 Years Mix Your Data, Calls & Texts Every Month Unlimited Streaming On All Sky Apps Share Spare Data In Your Piggybank With Up To 7 SIMs On Your Account Unlimited minutes Unlimited texts 100GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	100GB data	12 months	Monthly cost £20.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £24.99 (£0.00 initial cost)	O2 150GB SIM only Get VIP Treatment With Freebies & Prize Draws On O2 Priority Get Double Data When Your Home Also Has Virgin Media Broadband FREE O2 Wi-Fi + Roam Freely At No Extra Cost In 75 Destinations Worldwide Including The EU, USA & Australia 6 Months FREE Apple Music + Choose From 6 Months FREE Disney+, Amazon Music Unlimited Or Amazon Prime Video Unlimited minutes Unlimited texts 150GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	150GB data	12 months	Monthly cost £24.99 (£0.00 initial cost)	Go to the O2 website
Monthly cost £27.00 (£0.00 initial cost)	Vodafone Mobile 150GB SIM only Includes 2 Roam Free Destinations (Ireland & Isle Of Man - Pay Extra For Other European & Worldwide Destinations) Includes 24 Months Worth Of Entertainment. Choose From Prime Video, YouTube Premium or Spotify Premium 3 Month FREE Trial Of Secure Net Hurry! Offer Ends Soon Unlimited minutes Unlimited texts 150GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	150GB data	24 months	Monthly cost £27.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £30.00 (£0.00 initial cost)	VOXI Mobile Unlimited SIM only Uses The Vodafone Network (5G Ready) Rolling 30-Day Subscription Without A Contract - Cancel Anytime More Ways To Connect - Wi-Fi Calling + 4G Calling + Visual Voicemail Unlimited minutes Unlimited texts Unlimited data Contract period: 1 month	Unlimited minutes	Unlimited texts	Unlimited data	1 month	Monthly cost £30.00 (£0.00 initial cost)	Go to the VOXI Mobile website