5 best SIM only deals to get you fired up this weekend including 100GB for £16 a month

SIM only deals
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Nothing feels better than paying off your contract, or - better still - having the finances to buy a swanky new handset outright. Well, actually, securing a fantastic SIM only deal to match feels pretty great, too. Want a slice of that goodness? We're bringing you the very best SIMs currently available.

Whether you want shed loads of data or an affordable monthly rate with enough data to comfortably see you from month-to-month, we've got the tariffs for you.

From Three's exceptional value unlimited plan for just £16 a month, to £1 per gigabyte with Voxi's 12GB for £12 a month - with unlimited streaming and social media on top.

Tickled your fancy? It gets better. Get the full picture with our top five best SIM only deals currently on the market. Still in search of the perfect handset to go with it? We've got a ton of mobile phone deals that'll be right up your alley, too.

  • Still looking for a new phone? Check our best SIM-free phone price guide

Our top 5 best SIM only deals this week:

The big data plans


SIM only from Three | 12 month contract | Unlimited data | Unlimited calls and texts | £16 a month
When it comes to big data plans at a small price, Three wins again and again with its SIM only deals. Get unlimited everything, from data to texts and calls, for just £16 a month in this 12-month tariff. You'll also be able to enjoy 5G mobile connectivity with a compatible handset, as well as hotspotting and roaming around the world at no extra cost.


Vodafone SIM only from Mobiles.co.uk | 12 month contract | 100GB data | unlimited minutes and texts | £16 per month | £30 cashback
For those who want an even lower monthly outgoing, this 100GB plan from Mobiles.co.uk is more than enough. While it may seem more worth your money opting for Three's unlimited plan, with cashback this Vodafone tariff actually comes to only £13.50 a month, with that £30 cashback automatically sent to your bank account. Alternatively, if you're happy to claim cashback by redemption, you can pay just £11 a month for £60 in cashback.


EE SIM only | 24 month contract | 120GB data | unlimited minutes and texts | £20 per month
Get the double the data in this generous EE tariff. Locked in for two years, you'll get even more data for the price, this 60GB plan now loaded with 120GB of data for just £20 a month, alongside unlimited minutes and texts. As is the case with EE, you'll also be able to choose some free add-ons, including BT Sport for three months, or Apple Music for six months.

The really cheap, no-strings plans


SIM only plan from Smarty | 1 month rolling | 30GB data | Unlimited calls and texts | £10 per month
Don't want to be tied down to a 12 month or even two year contract? That's where Smarty comes in, allowing you to cancel your contract anytime, while also offering good value tariffs at an extremely affordable rate. Enjoy a healthy 30GB allowance of data for just £10 a month with 4G and 3G connectivity.


SIM only plan from Voxi | 1 month rolling | 12GB data | Unlimited calls and texts | £12 per month
For those who really don't see the need for those big data plans, this ones for you, essentially securing you a gigabyte of data for £1 loaded with 12GB for a total of £12 a month. Offering its usual flexi policy, you can cancel anytime. Better still, there's no need to be concerned about running out of data with the ability to stream and use social media at no detriment to your monthly allowance.

Alice Marshall
eCommerce Editor

Alice is eCommerce Editor at Future with a focus on streaming services, such as Disney Plus and HBO Max, and VPN. She predominantly writes buying and streaming service guides, as well as how to watch articles. Previously a Commercial Content Writer at Trusted Reviews, Alice has five years experience giving online buying advice, and over two years writing about consumer tech.