Three SIM only deal offers unlimited data for just £11.50 a month

Get Three SIM only deals for half price for 6 months, including the unlimited data plan

Three SIM only deal
(Image credit: Three)

The cost of living crisis has seen many monthly costs rise significantly. With bills getting harder to pay for, many people are looking to save money and switching to a SIM only deal is one of the best ways to do so. According to reports, millions of people are out of contract on their phones and spending more than they should each month. By switching to the best SIM only deals (opens in new tab), you can save money each month and halve your bills.

Three is one of the best providers to shop for cheap SIM only deals (opens in new tab) and right now, you can get the unlimited data SIM only plan for just £11.50 a month for 6 months.

View the unlimited data SIM only plan at Three (opens in new tab)

The Three unlimited data SIM only deal offers unlimited data, texts and minutes for just £11.50 a month and no upfront fees. On this plan, the first 6 months of your contract is half price and once you hit month 7, you’ll pay £23 for the remainder of your contract length.

Three Advanced Plans not only offer data, texts and minutes, but also come with a range of premium extras. These include 5G ready at no extra costs, roaming and personal hotspots, and you don’t pay anything upfront.

Across all its SIM plans, Three is offering deals where you can get the first 6 months of your contract for half price, helping you save money as soon as you sign up. To view the unlimited data SIM only plan from Three, click the link above or keep reading for more SIM only deals.

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Unlimited data SIM only plan: was £23, now £11.50 at Three (opens in new tab)
Right now at Three, the unlimited data SIM only plan is half price for the first 6 months of your 24 month contract. This plan offers unlimited data, minutes and texts, roaming and 5G capabilities, for just £11.50 for the first 6 months and £23 for the rest of your contract.

If you use a lot of data, the Three unlimited SIM only plan is the best choice, but you can also find the 250GB plan for £10 a month and 100GB plan for £8 a month. If you don’t use as much data and want an even cheaper offer, the 1GB data SIM only plan is just £4 a month.

If you’re looking for more SIM only deals but are interested in a different provider, Smarty is offering its popular 50GB data plan for just £10 a month (opens in new tab) until the 7th November 2022. You can also search through our deals widget below by contract length, data amount and provider.

Bethan Girdler-Maslen
Acting Wellness Editor & Deals Writer

As T3's resident Shopping Expert and Deals Writer, Beth covers deals, discount codes, how to save money and seasonal holidays, including Black Friday, Cyber Monday, Amazon Prime Day, Boxing Day and Easter sales. Alongside her primary focus of deals, Beth is currently Acting Wellness Editor, covering all things sleep, yoga, relaxation and general wellbeing.


Having always been passionate about writing, she’s written for websites, newspapers and magazines on a variety of topics, from jewellery and culture, to food and telecoms. You can find her work across numerous sites, including Wedding Ideas Magazine, Health & Wellbeing, The Bristol Post, Fashion & Style Directory and more. In her spare time, Beth enjoys running, reading, baking and attempting DIY craft projects that will probably end in disaster!