Three's cheap SIM only deals are mind-blowingly affordable

If you've been looking to upgrade your SIM plan then its absolutely worth checking out Three's cheap SIM only deals

Three SIM only deals
(Image credit: Three)

Three is one of the SIM only deals kings right now, frequently dropping incredible value for money, allowance-stuffed SIMO plans that leave a lot of the competition in the dust.

And, right now is no different, with Three offering four stand-out SIM only deals that offer everything from unlimited everything, through to cheap as chips bargains, and onto wonderful "just right" sweet spot packages.

And, as these SIM only plans come from Three, they automatically come with 5G at no extra cost, as well as the network's Go Binge, Go Roam Around the World, and Personal Hotspot functionality.

With one of these SIMs locked in your phone, you can kiss roaming charges goodbye, and stream the content you want without constantly having to worry about penalty fees.

The full details of the SIM only deals from Three can be viewed below:

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Three SIM | Unlimited data, calls and texts | 24-month contract | £11 p/m for the first six, then £22 p/m (opens in new tab)
For those who never, ever want to worry about breaching any allowance cap again, then this unlimited everything deal from Three is the way forward. Unlimited data, texts and calls for £11 per month for the first six months of the 24-month contract, and then £22 for the remaining 18. Fantastic value.

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Three | Unlimited data, calls and texts | 12-month contract | £18 p/m (opens in new tab)
If you like the idea of unlimited everything but would prefer a shorter contract length than the deal above then this plan from Three is ideal. It bags you the same unlimited everything allowance but comes with a 12-month contract instead of a 24-month one. The downside is you don't get the six months for half price deal, with this plan costing a flat £18 per month.

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Three | 8GB data | Unlimited calls and texts | 12-month contract | £8 per month (opens in new tab)
If you're looking to keep your monthly expenditure as low as possible and don't need a massive amount of data each month, then this SIMO plan is ideal. At just £8 per month it is super affordable, and it still delivers 8GB of data to use, as well as unlimited minutes and texts.

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Three | 12GB data | Unlimited calls and texts | | 12-month contract | £10 per month (opens in new tab)
And, finally, we have this sweet spot SIM only deal, which offers 12GB of data to use each month, as well as unlimited minutes and texts, for £10 per month. A short 12-month contract is also very welcome.

If the idea of new SIM plan appeals but you would prefer to be with another network, then be sure to check out the best SIM only deals on offer today below. What's so neat about T3's SIMO deal hunting chart is that it lets you filter deals by a wide-range of criteria, ranging from monthly cost, to contract length, and onto network supplier, among others. It makes finding the perfect SIM only deal for you easier than ever.

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Robert Jones
Robert Jones

Deputy Editor for, Rob has been writing about computing, gaming, mobile, home entertainment technology, toys (specifically Lego and board games), smart home and more for over 15 years. You can find Rob's work in magazines, bookazines and online, as well as on podcasts and videos, too. Outside of his work Rob is passionate about motorbikes, skiing/snowboarding and team sports, with football and cricket two favourites. Feel free to contact him with any related products, events, and announcements.