Unlimited data plans allow you to browse, stream, download and share as much content as you like each month. The price of unlimited data SIM only deals is coming down all the time and we check prices every day to ensure we’ve got the best deals listed.
- 1-month unlimited data SIM only plans
- 1-year unlimited SIM only deals
- 2-year unlimited pay monthly SIM contracts
1-month Unlimited data SIM only plans
These 1-month unlimited SIM deals offer the most flexibility. If you decide that you want to change provider or move to a different SIM only deal, you can do so whenever you like.
Smarty
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutes
Unlimited texts
5G and 4G dataID Mobile
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes data rollover!
Lebara
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes 100 international minutes per month
Giffgaff
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G data* Always on data. 80GB at full speed then reduced speed from 8am to midnight for the rest of the month
Three Mobile
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataLebara
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes unlimited international minutes to 42 different countries
Giffgaff
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataVOXI
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes endless video and social media.
Vodafone
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataUnlimited Lite plan (Up to 2Mbps download speeds)
Vodafone
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataUnlimited plan (Up to 10Mbps download speeds)
Vodafone
Unlimited data
1 Month contract
Unlimited data
1 Month contract
Unlimited minutesUnlimited texts5G and 4G dataUnlimited Max plan (Fastest available download speed)
1-year Unlimited SIM Only Deals
To reduce the monthly price of your unlimited sim deal, you could take out a 1-year contract. Some networks will guarantee that the price won’t increase during your contract too.
ID Mobile
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes data rollover!
Three Mobile
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataLebara
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes 100 international minutes per month
Lebara
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes unlimited international minutes to 42 different countries
Virgin Mobile
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataTesco Mobile
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G dataEE
Unlimited data
1 Year contract
Unlimited data
1 Year contract
Unlimited minutesUnlimited texts5G and 4G data2-year Unlimited Pay Monthly Sim Contracts
Finally, the very best prices for SIM only deals with unlimited data are usually offered on the longer 2-year deals:
ID Mobile
Unlimited data
2 Year contract
Unlimited data
2 Year contract
Unlimited minutesUnlimited texts5G and 4G dataIncludes data rollover!
Three Mobile
Unlimited data
2 Year contract
Unlimited data
2 Year contract
Unlimited minutesUnlimited texts5G and 4G dataFirst 6 months are half price at £10.50 per month
Virgin Mobile
Unlimited data
2 Year contract
Unlimited data
2 Year contract
Unlimited minutesUnlimited texts5G and 4G dataTesco Mobile
Unlimited data
2 Year contract
Unlimited data
2 Year contract
Unlimited minutesUnlimited texts5G and 4G data