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 August Mobile SIM Only deals

Provider	Deal Information	Mins	Texts	Data	Contract Period	Costs	Visit Provider Website
Monthly cost £10.00 (£0.00 initial cost)	Sky Mobile 12GB SIM only Uses The O2 Network 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 12GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	12GB data	12 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the Sky Mobile website

Latest August 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 3GB SIM only Uses The Three Network All Plans Come With Data Rollover, Capping & Inclusive EU Roaming Unlimited minutes Unlimited texts 3GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	3GB data	1 month	Monthly cost £6.00 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £6.00 (£0.00 initial cost)	PlusNet Mobile 4GB SIM only Uses The EE Network UK Based Customer Service One Size Fits All SIM Card Use Your Plan Allowance In Roam Like At Home Destinations Without Having To Pay Roaming Charges Unlimited minutes Unlimited texts 4GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	4GB data	1 month	Monthly cost £6.00 (£0.00 initial cost)	Go to the PlusNet Mobile website
Monthly cost £6.00 (£0.00 initial cost)	BT Mobile 1GB SIM only Cost Shown Includes £5p/m DISCOUNT Exclusively For BT Broadband Customers Uses The EE Network Roam Like Home In 47 Destinations + 30 Day Money Back Guarantee Unlimited minutes Unlimited texts 1GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	1GB data	24 months	Monthly cost £6.00 (£0.00 initial cost)	Go to the BT Mobile website
Monthly cost £6.00 (£0.00 initial cost)	3 4GB SIM only 5G At No Extra Cost Personal Hotspot Go Roam Around The World Unlimited minutes Unlimited texts 4GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	4GB data	12 months	Monthly cost £6.00 (£0.00 initial cost)	Go to the 3 website
Monthly cost £6.00 (£0.00 initial cost)	Vodafone Mobile 4GB 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 4GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	4GB data	12 months	Monthly cost £6.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £8.00 (£0.00 initial cost)	Sky Mobile 6GB SIM only Uses The O2 Network 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 6GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	6GB data	12 months	Monthly cost £8.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £8.00 (£0.00 initial cost)	Virgin Media Mobile 8GB SIM only Uses The EE Network Offers The Flexibility To Change Tariff Each Month, Either Up Or Down Includes Extras Like Data Rollover & Roam Like Home In 43 Destinations 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 Virgin Media Mobile website
Monthly cost £8.00 (£0.00 initial cost)	PlusNet Mobile 12GB SIM only Uses The EE Network UK Based Customer Service One Size Fits All SIM Card Use Your Plan Allowance In Roam Like At Home Destinations Without Having To Pay Roaming Charges Hurry! Offer Ends Soon Unlimited minutes Unlimited texts 12GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	12GB data	1 month	Monthly cost £8.00 (£0.00 initial cost)	Go to the PlusNet Mobile website
Monthly cost £10.00 (£0.00 initial cost)	PlusNet Mobile 20GB SIM only Uses The EE Network UK Based Customer Service One Size Fits All SIM Card Use Your Plan Allowance In Roam Like At Home Destinations Without Having To Pay Roaming Charges Hurry! Ends Soon Unlimited minutes Unlimited texts 20GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	20GB data	1 month	Monthly cost £10.00 (£0.00 initial cost)	Go to the PlusNet Mobile website
Monthly cost £10.00 (£0.00 initial cost)	Tesco Mobile 12GB SIM only Uses The O2 Network Use Your Minutes, Texts & Data In Europe With HomeFromHome 5000 minutes 5000 texts 12GB data Contract period: 18 months	5000 minutes	5000 texts	12GB data	18 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 20GB 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 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 Vodafone Mobile website
Monthly cost £10.00 (£0.00 initial cost)	Sky Mobile 12GB SIM only Uses The O2 Network 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 12GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	12GB data	12 months	Monthly cost £10.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £12.00 (£0.00 initial cost)	iD Mobile 30GB SIM only Uses The Three Network All Plans Come With Data Rollover, Capping & Inclusive EU Roaming Unlimited minutes Unlimited texts 30GB data Contract period: 1 month	Unlimited minutes	Unlimited texts	30GB data	1 month	Monthly cost £12.00 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £12.00 (£0.00 initial cost)	BT Mobile 20GB SIM only Cost Shown Includes £5p/m DISCOUNT Exclusively For BT Broadband Customers Uses The EE Network Roam Like Home In 47 Destinations + 30 Day Money Back Guarantee Unlimited minutes Unlimited texts 20GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	20GB data	24 months	Monthly cost £12.00 (£0.00 initial cost)	Go to the BT Mobile website
Monthly cost £12.00 (£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 £12.00 (£0.00 initial cost)	Go to the 3 website
Monthly cost £12.00 (£0.00 initial cost)	Virgin Media Mobile 20GB SIM only Uses The EE Network Offers The Flexibility To Change Tariff Each Month, Either Up Or Down Includes Extras Like Data Rollover & Roam Like Home In 43 Destinations Unlimited minutes Unlimited texts 20GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	20GB data	12 months	Monthly cost £12.00 (£0.00 initial cost)	Go to the Virgin Media Mobile website
Monthly cost £12.50 (£0.00 initial cost)	Tesco Mobile 20GB SIM only Uses The O2 Network Use Your Minutes, Texts & Data In Europe With HomeFromHome Data Doubled To 40GB With 6 Months FREE Clubcard Plus (Join After SIM Purchase) 5000 minutes 5000 texts 20GB data Contract period: 18 months	5000 minutes	5000 texts	20GB data	18 months	Monthly cost £12.50 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £15.00 (£0.00 initial cost)	BT Mobile 50GB SIM only Cost Shown Includes £5p/m DISCOUNT Exclusively For BT Broadband Customers Uses The EE Network Roam Like Home In 47 Destinations + FREE BT Sport App On Your Mobile Worth £10 A Month + 30 Day Money Back Guarantee Unlimited minutes Unlimited texts 50GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	50GB data	24 months	Monthly cost £15.00 (£0.00 initial cost)	Go to the BT Mobile website
Monthly cost £15.00 (£0.00 initial cost)	O2 8GB SIM only Receive Daily Offers With O2 Priority FREE O2 Wi-Fi Upgrade To A Brand New Phone & Plan After Three Months Unlimited minutes Unlimited texts 8GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	8GB data	12 months	Monthly cost £15.00 (£0.00 initial cost)	Go to the O2 website
Monthly cost £15.00 (£0.00 initial cost)	Sky Mobile 25GB SIM only Uses The O2 Network 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 25GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	25GB data	12 months	Monthly cost £15.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £16.00 (£0.00 initial cost)	Vodafone Mobile 5GB SIM only Includes 48 Roam Free 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: 12 months	Unlimited minutes	Unlimited texts	5GB data	12 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the Vodafone 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)	Virgin Media Mobile 50GB SIM only Uses The EE Network Offers The Flexibility To Change Tariff Each Month, Either Up Or Down Includes Extras Like Data Rollover & Roam Like Home In 43 Destinations Unlimited minutes Unlimited texts 50GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	50GB data	12 months	Monthly cost £16.00 (£0.00 initial cost)	Go to the Virgin Media Mobile website
Monthly cost £17.50 (£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 £17.50 (£0.00 initial cost)	Go to the iD Mobile website
Monthly cost £20.00 (£0.00 initial cost)	O2 100GB SIM only Receive Daily Offers With O2 Priority FREE O2 Wi-Fi + Roam At No Extra Cost In 75 Destinations, USA Included Choose From 6 Months FREE Disney+, Amazon Prime Video, Amazon Music Unlimited Or Audible 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 O2 website
Monthly cost £20.00 (£0.00 initial cost)	EE Mobile 120GB SIM only 5G SIM Plan (For 5G Phones Only) Use Your Data, Calls & Texts In The EU 6 Months FREE Apple Music & BritBox 3 Months FREE BT Sport Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts 120GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	120GB data	24 months	Monthly cost £20.00 (£0.00 initial cost)	Go to the EE Mobile website
Monthly cost £20.00 (£0.00 initial cost)	BT Mobile 100GB SIM only Cost Shown Includes £5p/m DISCOUNT Exclusively For BT Broadband Customers Uses The EE Network Roam Like Home In 47 Destinations + FREE BT Sport App On Your Mobile Worth £10 A Month + 30 Day Money Back Guarantee Unlimited minutes Unlimited texts 100GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	100GB data	24 months	Monthly cost £20.00 (£0.00 initial cost)	Go to the BT Mobile website
Monthly cost £23.00 (£0.00 initial cost)	EE Mobile 200GB SIM only 5G SIM Plan (For 5G Phones Only) Use Your Data, Calls & Texts In The EU 6 Months FREE Apple Music & BritBox 3 Months FREE BT Sport Gift Your Spare Data To Your Family Unlimited minutes Unlimited texts 200GB data Contract period: 24 months	Unlimited minutes	Unlimited texts	200GB data	24 months	Monthly cost £23.00 (£0.00 initial cost)	Go to the EE Mobile website
Monthly cost £25.00 (£0.00 initial cost)	Sky Mobile 50GB SIM only Uses The O2 Network 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 50GB data Contract period: 12 months	Unlimited minutes	Unlimited texts	50GB data	12 months	Monthly cost £25.00 (£0.00 initial cost)	Go to the Sky Mobile website
Monthly cost £28.00 (£0.00 initial cost)	Vodafone Mobile Unlimited SIM only Includes 48 Roam Free Destinations Flexible Upgrades Available After Just 3 Months 3 Month FREE Trial Of Secure Net Hurry! Ends Soon Unlimited minutes Unlimited texts Unlimited data Contract period: 12 months	Unlimited minutes	Unlimited texts	Unlimited data	12 months	Monthly cost £28.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £28.00 (£0.00 initial cost)	Tesco Mobile Unlimited SIM only Uses The O2 Network Use Your Minutes, Texts & Data In Europe With HomeFromHome 6 Months FREE Clubcard Plus 5000 minutes 5000 texts Unlimited data Contract period: 18 months	5000 minutes	5000 texts	Unlimited data	18 months	Monthly cost £28.00 (£0.00 initial cost)	Go to the Tesco Mobile website
Monthly cost £33.00 (£0.00 initial cost)	O2 Unlimited SIM only Receive Daily Offers With O2 Priority FREE O2 Wi-Fi + Roam At No Extra Cost In 75 Destinations, USA Included 6 Months FREE Apple Music + Choose From 6 Months FREE Disney+ Or Amazon Music Unlimited Or 12 months Amazon Prime Video Unlimited minutes Unlimited texts Unlimited data Contract period: 12 months	Unlimited minutes	Unlimited texts	Unlimited data	12 months	Monthly cost £33.00 (£0.00 initial cost)	Go to the O2 website
Monthly cost £35.00 (£0.00 initial cost)	Vodafone Mobile Unlimited SIM only Includes 48 Roam Free Destinations Includes 12 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 Unlimited data Contract period: 12 months	Unlimited minutes	Unlimited texts	Unlimited data	12 months	Monthly cost £35.00 (£0.00 initial cost)	Go to the Vodafone Mobile website
Monthly cost £37.00 (£0.00 initial cost)	EE Mobile Unlimited SIM only 5G SIM Plan (For 5G Phones Only) Use Your Data, Calls & Texts In The EU 6 Months FREE Apple Music & BritBox 3 Months FREE BT Sport 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 £37.00 (£0.00 initial cost)	Go to the EE Mobile website