Three Vouchers & Cashback 2022

Updated January 4, 2022
Getting the best mobile, broadband and SIM plan for your home and handsets is easy with Three! Browse our Three vouchers and Three discount codes for extra savings.

50%
OFF

50% off this iPhone 13 Pro Screen Protector when you buy an Apple case using this Three discount code

For a limited time only purchase an iPhone Apple Case and save 50% off the 13 Pro InvisibleShield Glass Elite Screen Protector when you use this Three discount code at checkout.
50% Off

50% off this iPhone 13 Pro Screen Protector when you buy an Apple case using this Three discount code

For a limited time only purchase an iPhone Apple Case and save 50% off the 13 Pro InvisibleShield Glass Elite Screen Protector when you use this Three discount code at checkout.

50%
OFF
4 uses today

10-50% off select SIM Only plans for existing customers

Find the perfect SIM Only plan for you and receive up to 50% off as an existing Three customer.
50% Off
4 uses today

10-50% off select SIM Only plans for existing customers

Find the perfect SIM Only plan for you and receive up to 50% off as an existing Three customer.

50%
OFF
1 use today

SIM plans for your phone starting from £6 per month (50% off select plans)

50% Off
1 use today

SIM plans for your phone starting from £6 per month (50% off select plans)

50%
OFF

50% off your monthly payment with the iPhone 13 or iPhone 13 Pro for 6 months when you switch

Looking to purchase the new iPhone 13 or iPhone 13 Pro? This Three offer is just for you! Take 50% off your monthly payments for 6-months when you switch plans
Get Deal
50% Off

50% off your monthly payment with the iPhone 13 or iPhone 13 Pro for 6 months when you switch

Looking to purchase the new iPhone 13 or iPhone 13 Pro? This Three offer is just for you! Take 50% off your monthly payments for 6-months when you switch plans

50%
OFF

Unlimited data for 50% off with your first 6 months and free gifts with the Three student discount

Check out the student discount at Three and discover unlimited data plans for 50% off with the latest smartphones and free gifts! Register with your university email address today and start saving.
50% Off

Unlimited data for 50% off with your first 6 months and free gifts with the Three student discount

Check out the student discount at Three and discover unlimited data plans for 50% off with the latest smartphones and free gifts! Register with your university email address today and start saving.

CASH REWARD
2 uses today

Refer a Friend and get up to £80 cash to share

Enjoy the benefits of referring your friends when you can share up to £80 in cash!
Cash Reward
2 uses today

Refer a Friend and get up to £80 cash to share

Enjoy the benefits of referring your friends when you can share up to £80 in cash!

£5

Boundless Offer: 10 or more Unlimited data SIMS for £5 each

Enjoy unlimited data, calls, texts, and more and get SIM plans for £5 each with this Three offer. The more you purchase the more you save! For example, you can save £100 a month vs buying individual SIMs when you buy 10 or more!
£5

Boundless Offer: 10 or more Unlimited data SIMS for £5 each

Enjoy unlimited data, calls, texts, and more and get SIM plans for £5 each with this Three offer. The more you purchase the more you save! For example, you can save £100 a month vs buying individual SIMs when you buy 10 or more!

FREE
GIFT

Get a free Chromebook (worth £299) and 6 months half price with the Samsung S21 - limited time

Pick up the new Samsung S21 from £24 a month (50% off) for 6 months (after 6 months cost increases to £48 a month) and as a bonus take home a free Galaxy Chromebook with £299. This laptop comes complete with built-in security and a long-lasting battery.
Free Gift

Get a free Chromebook (worth £299) and 6 months half price with the Samsung S21 - limited time

Pick up the new Samsung S21 from £24 a month (50% off) for 6 months (after 6 months cost increases to £48 a month) and as a bonus take home a free Galaxy Chromebook with £299. This laptop comes complete with built-in security and a long-lasting battery.

FREE
PERKS

20% off UberEats orders, £3 movie tickets, and more perks with the Three+ Reward App

The new Three Rewards App is here! Download today for amazing exclusive benefits and perks!
Free Perks

20% off UberEats orders, £3 movie tickets, and more perks with the Three+ Reward App

The new Three Rewards App is here! Download today for amazing exclusive benefits and perks!

£60
OFF

Winter Deal: £60 off, unlimited data and only £7.50 upfront with the iPhone 12

£60 Off

Winter Deal: £60 off, unlimited data and only £7.50 upfront with the iPhone 12

FREE
TV

Free Toshiba TV (worth £189) with select home broadband plans

Free TV

Free Toshiba TV (worth £189) with select home broadband plans

50%
OFF
2 uses today

50% off the 4G Hub with unlimited data

50% Off
2 uses today

50% off the 4G Hub with unlimited data

50%
OFF

SIM Only plans with unlimited data for £10/month for the first 6 months (50% off)

Pay a small fee of £10 per month with these Three SIM Only plans! Save 50% off now with a 24-month Advanced plan.
Get Deal
50% Off

SIM Only plans with unlimited data for £10/month for the first 6 months (50% off)

Pay a small fee of £10 per month with these Three SIM Only plans! Save 50% off now with a 24-month Advanced plan.

FREE
GIFT
2 uses today

Get a free Chromebook with the 5G Three broadband plan - limited time

When you set up and enjoy a new broadband plan, you will be able to take home a free Samsung Chromebook (worth (£379).
Free Gift
2 uses today

Get a free Chromebook with the 5G Three broadband plan - limited time

When you set up and enjoy a new broadband plan, you will be able to take home a free Samsung Chromebook (worth (£379).

FREE
GIFT

Free TV or Google home bundle with Three UK broadband plans

Score a 32" Toshiba TV (worth £239) when you purchase the 5G hub or get a free Google Home Bundle with the 4G hub or 4G Plus hub. Sign up for a plan with zero upfront costs from £22 a month!
Free Gift

Free TV or Google home bundle with Three UK broadband plans

Score a 32" Toshiba TV (worth £239) when you purchase the 5G hub or get a free Google Home Bundle with the 4G hub or 4G Plus hub. Sign up for a plan with zero upfront costs from £22 a month!

FROM £9

Existing Customer Offers: Phone and tablet plans starting from £9 a month

From £9

Existing Customer Offers: Phone and tablet plans starting from £9 a month

4X DATA

Up to 4X the data on select tablets

4X Data

Up to 4X the data on select tablets

£72
OFF
2 uses today

Exclusive Customer Offers: Up to £72 off select mobile devices

£72 Off
2 uses today

Exclusive Customer Offers: Up to £72 off select mobile devices

£6

SIM Only Special - £6 a month for 1GB of data

Get Deal
£6

SIM Only Special - £6 a month for 1GB of data

FREE
SUBSCRIPTION

3 months of Apple TV for free with any iPhone, iPad, or Home Broadband purchase

Free Subscription

3 months of Apple TV for free with any iPhone, iPad, or Home Broadband purchase

FREE
UPGRADE

200MB of free data every month with the free Data Reward SIM card

Free Upgrade

200MB of free data every month with the free Data Reward SIM card

LESS THAN £16
3 uses today

SIM Only plans for £16 a month or less

Less than £16
3 uses today

SIM Only plans for £16 a month or less

FROM
£19

Mobile UK phone deals with prices from £19 per month

Need a new phone? Visit this page and find the perfect phone for you! Discover deals on Samsung, iPhones, and more starting from £19 a month!
From £19

Mobile UK phone deals with prices from £19 per month

Need a new phone? Visit this page and find the perfect phone for you! Discover deals on Samsung, iPhones, and more starting from £19 a month!

FREE
SIM

Get a free Pay As You Go SIM

Do you prefer a monthly basis instead of a set contract? Order your free Three Pay As You Go SIM today and recharge at your own pace!
Free SIM

Get a free Pay As You Go SIM

Do you prefer a monthly basis instead of a set contract? Order your free Three Pay As You Go SIM today and recharge at your own pace!

FROM
£15

Accessory Deals: Screen protectors, cases, chords and more starting at £15

From £15

Accessory Deals: Screen protectors, cases, chords and more starting at £15

£1
OFF

Over £1 in savings per month with the Price Promise

If you find a better deal for your business contract, Three will beat it by at least £1 a month with the Price Promise!
£1 Off

Over £1 in savings per month with the Price Promise

If you find a better deal for your business contract, Three will beat it by at least £1 a month with the Price Promise!

£1
OFF

Price Promise for over £1 in savings per month

If you find a better deal for your business contract, Three will beat it by at least £1 a month with the Price Promise!
Get Deal
£1 Off

Price Promise for over £1 in savings per month

If you find a better deal for your business contract, Three will beat it by at least £1 a month with the Price Promise!

FREE
APP

Free Three app available for download

Free App

Free Three app available for download

Popular Expired Three Discount Codes
50% Off

Extra 50% off SIM Only plan with unlimited data fo the first 6 months

Save half price right now with this Three SIM Only offer!
Free Delivery

Free next day delivery on all devices - phones, tablets, and more

£12 Off

£12 off the Samsung Galaxy S20 monthly plan (now £30)

Pick up the Samsung Galaxy S20 and save £12 with the 30GB monthly plan (which was £12).

Popular Three Voucher Codes

Vouchers and DealsValueDiscount TypeStatus
Three SIM deals for over 10% off10% OffOnline DealOngoing
Free delivery with this Three discount codeFree DeliveryOnline VoucherExpired
Three plans for up to 10% off10% OffOnline DealOngoing


Tons Of Easy Savings

Looking for an additional plan or device as an existing customer? They have plenty of awesome Three deals to help you out. Add an extra SIM or device to your existing account or complete a Three upgrade to a shiny new phone in just a few clicks by browsing their “Offers” page online. We’ll also post all of the best Three vouchers and upcoming Three sales right here so you don’t miss out!

If you’re a student on a tight budget, you’re in luck. With their exclusive Three discounts for students, you can get your next phone, SIM, or broadband purchase for less. Just enter your university email address to access a wide range of specials just for students. Whether you’re looking for a 1-month or 12-month SIM plan, they’re undoubtedly the best choice for you.

Downloading Discounts

With the Three app for iOS and Android, anything is possible. From tracking your latest bill and usage to completing your next Three top-up, in just a few taps, the whole world can be yours. Now you can manage your account on the move; some features include viewing your Pay As You Go credit balance, bill breakdowns, check your upgrade eligibility, and you can even browse the latest Three UK deals to see what’s new. Plus, if you need support from the Three contact team, live chat is always available for your convenience from your device.

Easy Deliveries

They always offer free, next working day delivery on all new purchases when you join! Enjoy this offer on phones, tablets, and MiFi that are ordered before 4 PM for delivery to your billing address. If you upgraded your phone online or over the phone, your new device will be delivered on their chosen date, and you will be charged £4.99 on your next bill— make sure you use a Three discount code or one of our Three voucher codes to save on this fee! If you’re still unsure about making the switch, just read a Three network review to see why customers choose them as their #1 network provider.

FAQs with Three


How do you get the best discount at Three?

The best discounts, deals, and voucher codes can always be found right here at Quidco! You can also browse their exclusive customer offers page, join their mailing list for news about upcoming sales, and choose one of their plan bundles to cut down the cost of your next device!


Does Three do a student discount?

You don't have to sacrifice great cell service when you're on a tight student budget! With a valid academic ID, you can enjoy six months of service at half-price, as well as a free explorer backpack and wireless headphones. Just head to their website for more information on how to save!