Hidden Three offers: better prices on SIM only and phone deals
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We uncover loads of hidden deals on Three that aren't advertised on the main part of their website but you still buy direct from them. Last updated: 18th June 2025.
What are these secret deals?
Better value deals you still buy directly from Three
✔ Get your plan from Three directly
We’ve listed all the hidden deals that Three shared with us further down the page. You won’t find these advertised on Three’s website, but when you click the link you’ll be taken to their checkout at three.co.uk.
Three share these hidden offers with comparison websites like us to give to our readers. These plans are generally better value than their regular ones, while some have unique data amounts.
Mobile providers do this to provide potential customers looking for the best possible deal a reason to join them without giving away their best discounts to regular customers.
The deals you see below won’t be around forever. Three change them every now and again. And sometimes they don’t offer any at all. We keep this page updated to reflect any changes when they happen.
Choose a product: SIM only plans | Phone contracts
Hidden SIM only deals
Three have a few good hidden offers currently going
By clicking on the hidden deals below you’ll be directed to Three’s checkout with the plan in your basket. The red text shows you what Three usually offer while the black shows what you get with the hidden deals:
Useful link: Three's full range of regular SIM only deals
Hidden phone contract deals
Three's phone range
We've included hidden offers in our comparison of Three's contract phones below
Phone options
Manufacturer:
Budget
Upfront: (Any upfront cost)
Monthly: (Any monthly cost)
Networks
Providers:
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