Three Discount Codes & Vouchers
Score 20% off with Student Discount + Free Gifts
Valid until 31/12/2024
Free Click and Collect Service
Valid until 31/12/2024
Get Free Delivery on Orders
Valid until 31/12/2024
Get Get the Exclusive Deals and Latest Promotions with Mobile App Download
Valid until 31/12/2024
Take advantage with Get 30GB Plans for £9 per Month
No expiry date
Never miss a Three voucher code again!
Unsubscribe at any time
100% tested
Free
By registering/subscribing, you agree to the Terms & Conditions and Privacy Policy.
Give These Just-Expired Three Voucher Codes & Deals a Go
Feel free to try one of these Three discount codes that may still work.
Three Voucher: 35% off all Items
Valid until 04/09/2024
Three Promo Code: Take 20% off Your Order
Valid until 08/05/2023
Receive Samsung Galaxy S24+ 5G 256GB from £28 per Month with this offer
Valid until 29/06/2024
Get Samsung Galaxy S24 5G 128GB for £22 per Month
Valid until 12/06/2024
Major Bargain: Samsung Galaxy Z Flip 5 for just £24 per Month
Valid until 31/05/2024
Charging and Cables from £10
Valid until 27/05/2024
Get Home Collection from £13
Valid until 27/05/2024
Get Tracking Devices starting from £29
Valid until 24/05/2024
Apple Watches from £299
Valid until 14/05/2024
Save at Three - Samsung Galaxy Watch 6 for £10 per Month
Valid until 14/05/2024
Get Computer Accessories from £20
Valid until 02/05/2024
Are we missing a voucher?
Submit new Voucher
You may also like these vouchers
Receive £60 off all Items with this Discount Code
Tested within the past day
Get £10 off Pay Monthly Orders with this Discount Code
Valid until tomorrow
Editor’s Choice: £10 off First Money Transfer with Remitly at Lebara
No expiry date
More Lebara Voucher Codes
Explore All Valid Three Deals & Sales for October 2024
Discount | Three Voucher Details | Expires |
---|---|---|
20% | Score 20% off with Student Discount + Free Gifts | 31 December 2024 |
Deal | Free Click and Collect Service | 31 December 2024 |
Deal | Get Free Delivery on Orders | 31 December 2024 |
Deal | Get Get the Exclusive Deals and Latest Promotions with Mobile App Download | 31 December 2024 |
£9 | Take advantage with Get 30GB Plans for £9 per Month | No expiry date |
Three customers also love to shop here
Useful tips and information
Three student discount
With the Three student discount, you can save up to 50% on SIM-only deals and 20% when you purchase a device with your contract. Secure the half-price student deal by signing up with UNiDAYS and verifying your student status. Upon successful verification, the student code will be automatically sent to your inbox.
Three birthday discount
It's always worth checking your inbox when your special day arrives. Three sends out attractive birthday discounts that offer price reductions on your next order.
How to use your Three voucher code
On the hunt for great bargains when shopping for a new smartphone or SIM-Only deals, make sure to pick one of our Three vouchers before placing your order. That way, you'll be sure to secure big savings. Simply copy the code, pick the smartphone or contract you'd like to buy, and proceed to the payment section. You can paste your Three coupon code into the box "Promo code". Clicking on "Apply" will reduce your total by the promised discount.
What to do if your Three discount code isn't working
In some cases, you may run into an error code while redeeming your Three promo code. If so, pay attention to the following tips:
Only use codes meant for your customer group.
Verify whether the code is meant for the selected Three offer.
Ensure you've exceeded the minimum order value of your code.
Exclusively apply valid coupons.
Can I benefit from any existing customer deals?
As an existing Three customer, you can take advantage of several cashback offers. For instance, secure an attractive cashback for SIM-only orders or when you purchase the newest smartphone. All of the available cashback deals can be found right here on our Voucherbox website.
Three first order discount
New customers have the opportunity to get the first three months for free when purchasing a SIM-only plan. Take advantage of the exclusive Three offer by choosing the plan that works best for you and clicking on "Buy now". The free months will be automatically credited to your account and billing will only start once the first three months have expired.
Does Three offer a blue light discount?
Blue Light Card holders can regularly take advantage of discounted SIM-only plans at Three. Here's how to claim the attractive NHS discount:
Log in to your account on the Blue Light Card platform.
Use the search bar to find the Three discount code.
Copy down the code and use it at the checkout.