Out of contract and looking to save some money on a like-for-like, or better plan? Perhaps you ordered a new phone?  Such as the iPhone 11, Note 10, OnePlus 7, Google Pixel 3a, Huawei P30 or Samsung Galaxy S10? Either way, then you're in the right place for the best SIM Only deals.

Over the past few years, SIM contracts have seen something of a resurgence. These SIM Only deals allow you to move networks easily and give you great value for money; they're available either on a 12-month, or even rolling monthly plans. 

These SIM-only arrangements are also ideal if your contract is up and you want to save money by not upgrading to a new phone. They're also great if you'd rather buy a mobile phone SIM free and just use EE, Vodafone, Three or O2 for connectivity.

The best SIM Only deals

On this page we'll bring you the best SIM only deals selected from EE, Three, Vodafone, O2, Giffgaff and more, all saving you the time and effort of hunting around for these very offers.

The best deal for heavy data users

 Three's famous unlimited data, minutes and texts is back for just £18 a month (was £22), on a 12 month plan with 5G and free roaming in 71 destinations. That's a great, great deal of data for all your streaming, web surfing and social media needs. View the offer

There's £150 automatic cashback on an O2 SIM with a 100GB data, minutes and texts SIM - priced at £30 a month, with Mobiles.co.uk That's a good deal of data, and with a good deal of cashback, too. See the deal

The best offer for medium data users

iD Mobile has a 30-day 50GB SIM deal for £20 a month (was £20), with unlimited mins/texts. It runs off the Three network, with unused data being rolled-over to the next month. View the deal

Smarty (running from Three) has a 50GB SIM plan for £15 a month. That's with unlimited minutes/texts where you also get a discount on any unused data (30-day). See the deal

The best deal for low data users

 Three has a good entry level plan with its 8GB of data for £8 a month with unlimited minutes and texts. That's a 5G-ready, 12 month plan, with free roaming in 71 different destinations around the world. View the deal     

 Virgin Mobile (running from EE) has a good low entry deal, with 2GB of data for £6 a month. You'll get 1000 minutes and unlimited texts, plus data rollover. See the offer

Compare the best SIM only deals

Couldn't find a SIM deal above? Here you can compare all the best SIM only deals available right now. You can use the sliders and menus to choose the best deal that suits your needs.


See the best mobile phone contract deals