3 for 2 Accessories at Three
Free Next-Day Delivery on all orders at Three
Up to £853 off Three Mobile Phone Contract Deals
Up to £476 off when you Trade-in at Three
£504 off 24 Months When You Buy 3 SIMs at Three
Three 4G Home Broadband
Up to £80 Cash to Share When You Refer a Friend at Three
Popular Three Discount Codes
| Discount | Last verified | Redemptions |
|---|---|---|
| 3 for 2 Accessories at Three | 18 Mar, 2025 | Used 86 Times |
| Up to £853 off Three Mobile Phone Contract Deals | 18 Mar, 2025 | Used 17 Times |
| Up to £476 off when you Trade-in at Three | 18 Mar, 2025 | Used 1 Time |
| Free Next-Day Delivery on all orders at Three | 18 Mar, 2025 | Used 494 Times |
| £504 off 24 Months When You Buy 3 SIMs at Three | 18 Mar, 2025 | Used 8 Times |
Savoo - Discount Codes You Can Trust!
At Savoo, our dedicated expert team constantly sources, reviews, hand-tests and verifies the discount codes and other deals we list on our site.
We've been sourcing, testing & verifying voucher codes and deals since 2009!
Pick a charity to donate for free as you save!
Choose from one of our featured charities below, or see all charities and we'll donate up to £34 of your order when you use a Three deal!
Cheapest business plans guaranteed
Take advantage of the business price promise. If you find the same deal for your business contract at Vodafone, EE, or O2, Three will beat it by £1 a month. Get the ball rolling and ensure you’re getting the best deal going. Enjoy this incredible price match offer acoss up to 150 business phones, broadband or SIM plans. Don’t forget to check out the latest Three discount codes to carry on saving.
By Ryan Broadfoot, your Three Money Saving Editor
Last checked a week ago
Today's top Three vouchers
| Total Offers | 7 |
| Voucher Codes | 1 |
| Best Discount | £853 Off |
| Free Delivery Deals | 1 |
| Average Savings | £11.96 |
How to Save at Three
- Look out for deals and offers on a range of mobile phone plans. Get that brand new phone you’ve had your eye on for a new bargain price or save on your monthly plan. Find an offer that suits you and snap it up before it’s gone for good!
- Check out the blog for a range of helpful hints and tips designed to help you stay in the know. Learn how to identify fraudsters, find out how to keep your data safe, or be the first to hear about exciting competitions. Lots of information at your fingertips, and it’s all free to access.
- Download the free Three app to make managing your phone that bit easier. Top up your credit, view your bills, choose your upgrade, and live chat to staff. Keep on top of all things phone-related on the go for free.
About Three
Find the perfect phone setup for you when you shop with Three. Whether you’re looking to upgrade, need more data, want that shiny new model, or you just need something practical – there’s a phone out there with your name on it.
Browse the range of deals, plans, contracts, and pay-as-you-go options to find one that suits you. Get access to a range of designs, brands, and models. Set up a new broadband deal or treat yourself to a tablet.
Whether you always have to have the latest device or you just need something to get you from A to B, you’re guaranteed to find what you’re looking for.
Helpful Links For Three
Popular Brands
- Argos
- Currys
- Debenhams
- Samsung
- ao.com
- Boots
- Halfords
- Domino's
- Wayfair
- TUI
- New Look
- adidas
- PrettyLittleThing
- Moonpig
- NOW
- John Lewis
- SPORTS DIRECT
- Expedia
- Myprotein
- B&Q
- My 1st Years
- Notino
- SHEIN
- Stradivarius
- Toolstation
- Bloom and Wild
- Asos
- boohoo
- First Choice
- Superdrug
- JD Sports
- Travelodge
- Dunelm
- Temu
Three FAQs
▷ Can I get a Three discount code?
No, discount codes are rare at Three. Instead, you can save money at Three in plenty of other ways, including:
- Flash sales on SIM-only plans
- Discounts on the hottest handsets
- Limited-time sales on pay monthly.
Register for Three email updates to stay in the loop with savings. Currently, there are 7 active deals available across March.
▷ How do I get a free Three Mobile SIM?
To get your free SIM, go to the Three website. Go to 'shop' and then click 'free SIM'. Simply fill in your details and get your free SIM in just a few days. Install the SIM in your phone and activate it to start using it.
▷ When is the Three sale?
Three holds sales at various points throughout the year, although the biggest sales are around Black Friday, Cyber Monday, January and August for back to school. Find all the details here at Savoo or go to the Three website and browse the featured deal banners on the homepage.
▷ On average how much can users save with a Three deal?
Typically, using a Three deals and offers can save users anywhere an average of £853.
▷ When is the best time of year to redeem a Three discount code?
Our expert data shows that November and February are the best months to grab a bargain at Three, with significant deals launching around Black Friday, Cyber Monday, and early in the new year.
▷ Does Three offer Black Friday deals?
Yes! Three consistently participates in Black Friday and Cyber Monday, offering huge savings on mobile phones, SIM plans, and broadband deals. Black Friday deals tend to be in the form of sales and offers, rather than discount codes.
Examples of past Black Friday deals include:
-
Up to £635 off Black Friday Deals at Three
-
£200 Off Samsung Galaxy S21 Ultra
-
Half Price on SIM-Only Plans – Black Friday Exclusive
-
Free Wireless Earbuds with Selected Black Friday Purchases
▷ What kinds of deals are usually available at Three?
According to Savoo’s expert data, Three focuses more on sales and general discounts rather than discount codes.
Some examples of past deals include:
- Flash Sale: SIM Plans for Phones from £7 at Three
- 50% off First 6 Months on Home Broadband Plans
- Up to £635 off Black Friday Deals at Three
How to save money at Three
Stay connected with Three. Whether you’re after an affordable business phone plan or want a cheap SIM only package for your new handset, enjoy fantastic coverage and lots of deals to help you save. Take a look at these money saving tips to see how much cash you could save on your next plan.
Free delivery
Check out the free delivery service – join Three, order your device, and see if you could save on delivery fees. Eliminate those pesky extra charges and just pay for what you order.
Freebies
Look out for free SIM offers and free data offers to help you save a little extra. Snap up a free pay-as-you-go SIM or get extra data every month without paying extra. Make sure to check out these offers if you want to save.
Sell your old phone
Sell your old phone and earn some extra cash. This awesome deal is a fantastic way to make some money and help the planet by recycling your old devices. Simply head to the recycle page and enter the brand and model of your device and see what you could make.
Free expert hints and tips
Check out the ‘device support’ and ‘SIM support’ sections to get help setting up your device. Download user manuals, get advice, and learn the ins and outs of your new phone – all for free. Ensure you get the most out of your device without breaking the bank.
How to use a Three discount code
- Find the deal you want to redeem
- Open it and copy the code if needed
- Go through to Three
- Shop!
- Go to your basket to pay
- Review your order
- Go through to the payment page
- Paste the code into the box or see the discount automatically applied
- Finish the payment
