O2 Discount Codes & Cashback 2023

Updated December 16, 2022
Find 22 valid O2 promo codes & voucher codes and save on mobile phones and broadband
Cashback Rates
£95 cashback
for a pay monthly handset contract with a tariff of £60+
£10 cashback
for a pay monthly SIMO contract with a tariff of £9.99 or less
£25 cashback
for a pay monthly SIMO contract with a tariff of £10 - £14.99
£40 cashback
for a pay monthly SIMO contract with a tariff of £15 - £19.99
£50 cashback
for a pay monthly SIMO contract with a tariff of £20 - £24.99
£65 cashback
for a pay monthly SIMO contract with a tariff of £25 - £29.99
£75 cashback
for a pay monthly SIMO contract with a tariff of £30 or more
£25 cashback
for a pay monthly handset contract with a tariff up to £19.99
£35 cashback
for a pay monthly handset contract with a tariff £20 - £29.99
£55 cashback
for a pay monthly handset contract with a tariff £30 - £39.99
£65 cashback
for a pay monthly handset contract with a tariff £40 - £49.99
£85 cashback
for a pay monthly handset contract with a tariff £50 - £59.99

£200
OFF

£200 off the Sony Xperia 1 with this O2 discount code

Enjoy even more savings on your next mobile upgrade with the Sony Xperia 1 III 5G! Choose your plan and use this O2 promo code at checkout to knock £200 off the upfront cost.
£200 Off

£200 off the Sony Xperia 1 with this O2 discount code

Enjoy even more savings on your next mobile upgrade with the Sony Xperia 1 III 5G! Choose your plan and use this O2 promo code at checkout to knock £200 off the upfront cost.

20%
OFF
5 uses today

20% off Airtime plans and phone accessories with the O2 student discount

As a student, enjoy an exclusive discount on Airtime plans and phone accessories. Verify your student status to receive a 20% off discount code today.
20% Off
5 uses today

20% off Airtime plans and phone accessories with the O2 student discount

As a student, enjoy an exclusive discount on Airtime plans and phone accessories. Verify your student status to receive a 20% off discount code today.

25%
OFF
1 use today

O2 NHS Discount: Up to 25% off your Airtime Plan with a new phone

Switch to O2 to enjoy up to 25% off your monthly Airtime Plan when you purchase a new phone or tablet using the NHS discount offer.
25% Off
1 use today

O2 NHS Discount: Up to 25% off your Airtime Plan with a new phone

Switch to O2 to enjoy up to 25% off your monthly Airtime Plan when you purchase a new phone or tablet using the NHS discount offer.

10%
OFF
5 uses today

Latest O2 deals and promotions for over 10% off

Enjoy amazing prices on O2 SIM only plans, mobile phones, accessories, and much more when you shop these offers. Get your upgrade and save today!
10% Off
5 uses today

Latest O2 deals and promotions for over 10% off

Enjoy amazing prices on O2 SIM only plans, mobile phones, accessories, and much more when you shop these offers. Get your upgrade and save today!

£2
OFF

£2 off your monthly plan when you add Disney+

Add Disney+ to your O2 plan and you can enjoy a £2 discount every month.
£2 Off

£2 off your monthly plan when you add Disney+

Add Disney+ to your O2 plan and you can enjoy a £2 discount every month.

£350
OFF
1 use today

Top Phone Deals: £50-£350 off iPhones, Android, wearable tech, an dmore

Discover big deals on O2 phones and tech accessories with current sale offers, featuring £50-£350 off on Apple iPhones and select Android devices, Nintendo consoles, headphones, tablets, and more.
£350 Off
1 use today

Top Phone Deals: £50-£350 off iPhones, Android, wearable tech, an dmore

Discover big deals on O2 phones and tech accessories with current sale offers, featuring £50-£350 off on Apple iPhones and select Android devices, Nintendo consoles, headphones, tablets, and more.

FROM
£10
2 uses today

SIM Only plans for as low as £10/month

From £10
2 uses today

SIM Only plans for as low as £10/month

FREE
DELIVERY
1 use today

Free standard delivery on every purchase

Shop for phones, smartwatches, and more tech at O2, and you'll enjoy free standard delivery across the UK on every purchase you make.
Free Delivery
1 use today

Free standard delivery on every purchase

Shop for phones, smartwatches, and more tech at O2, and you'll enjoy free standard delivery across the UK on every purchase you make.

20%
OFF

20% off your airtime with Multisave when you add a new tablet to your account

20% Off

20% off your airtime with Multisave when you add a new tablet to your account

50%
OFF

Unlimited data for 50% off your first 6 months with this plan (now £16)

50% Off

Unlimited data for 50% off your first 6 months with this plan (now £16)

UPGRADE
4 uses today

O2 phone upgrades online

Looking to get the newest device this season? No problem! Login to your O2 account to check eligibility, and upgrade to a new iPhone or Android device today with a variety of phone deals across the site.
Upgrade
4 uses today

O2 phone upgrades online

Looking to get the newest device this season? No problem! Login to your O2 account to check eligibility, and upgrade to a new iPhone or Android device today with a variety of phone deals across the site.

25%
OFF

15-25% off airtime with O2 Open Employee deals for teachers

If you work for an eligible company, you can take advantage of up to 25% off airtime when you have a 1-3GB plan at O2. Check to see if you're eligible for an extra discount right here!
25% Off

15-25% off airtime with O2 Open Employee deals for teachers

If you work for an eligible company, you can take advantage of up to 25% off airtime when you have a 1-3GB plan at O2. Check to see if you're eligible for an extra discount right here!

FROM
£20

New iPad 10th Generation from £20 upfront

From £20

New iPad 10th Generation from £20 upfront

FROM
£47.99

New iPhone 14 Pro from £47.99/month when you pre-order

From £47.99

New iPhone 14 Pro from £47.99/month when you pre-order

APPLE MUSIC

Up to 6 months of FREE Apple Music with a Plus Plan

Enjoy Apple Music for 6 months at no additional charge with your purchase of any O2 Plus Plan.
Apple Music

Up to 6 months of FREE Apple Music with a Plus Plan

Enjoy Apple Music for 6 months at no additional charge with your purchase of any O2 Plus Plan.

20%
OFF

Multisave Discount: 20% off your Airtime Plan when you add a line

Add a line to your existing O2 mobile plan and you'll enjoy 20% off your Airtime with the Multisave discount.
20% Off

Multisave Discount: 20% off your Airtime Plan when you add a line

Add a line to your existing O2 mobile plan and you'll enjoy 20% off your Airtime with the Multisave discount.

£10
OFF

SIM Big Bundles: Bonus £10 credit + free roaming across Europe

Enjoy a £10 bill credit with select O2 SIM-only big bundle deals starting as low as £10/mo for 7GB of data. Plus, as a member, you'll benefit from £0 roaming charges on travel throughout Europe!
£10 Off

SIM Big Bundles: Bonus £10 credit + free roaming across Europe

Enjoy a £10 bill credit with select O2 SIM-only big bundle deals starting as low as £10/mo for 7GB of data. Plus, as a member, you'll benefit from £0 roaming charges on travel throughout Europe!

FROM £11

O2 for Business: SIM-only phone plans from £11

From £11

O2 for Business: SIM-only phone plans from £11

£250
OFF

£178-£250 off select Google Pixel 6 monthly plans

£250 Off

£178-£250 off select Google Pixel 6 monthly plans

£12

O2 SIM-Only Deals: 10GB for £12, 30GB for £15, 120GB for £20

Find O2 SIM only plans for as low as £12 with 10GB of data per month, or expand your data for just a little bit more with up to 120GB of data per month.
£12

O2 SIM-Only Deals: 10GB for £12, 30GB for £15, 120GB for £20

Find O2 SIM only plans for as low as £12 with 10GB of data per month, or expand your data for just a little bit more with up to 120GB of data per month.

IN STORE

FREE Click and Collect available in selected stores

In Store

FREE Click and Collect available in selected stores

FREE
RETURNS

Free returns on your purchase within 30 days

Don't completely love your new mobile? Enjoy free returns on your new O2 phone for 30 days after purchase.
Free Returns

Free returns on your purchase within 30 days

Don't completely love your new mobile? Enjoy free returns on your new O2 phone for 30 days after purchase.
Popular Expired O2 Promo Codes
£150 Off

O2 voucher code for £150 off upfront costs this summer

Enjoy this O2 deal and save £150 on upfront costs with this O2 discount code at checkout.
15% Off
1 use today

Use this O2 discount code for 15% off all accessories when you pay by PayPal

Save 15% off phone cases, chargers, and more accessories for your new device by selecting PayPal at checkout and applying this O2 voucher code.
£50 Off

Ends Tomorrow: O2 promo code for SIM only deals of £50 off selected mobile phones

20% Off

Multisave Offer: 20% off Airtime when you text this O2 upgrade promo code

Enjoy 20% off the Airtime for every Pay Monthly connection you add to your Multisave plan with this offer! Simply text this code to 21500 to receive your O2 discount code.
£300 Off

O2 Phone Deals: Extra £100-£300 off select Samsung and Sony phones

Need to find the best mobile solutions for your business? Shop these O2 Business phone deals this summer, featuring an extra £100-£300 off select Samsung Galaxy phones and Sony Xperia handsets.
£30 Off

Back to School Sale - £30 off select refurbished smartphones with this O2 promo code for existing customers

Enjoy an additional £30 off refurbished iPhones, Samsung Galaxy smartphones, and more during this Back to School Sale!
£30 Off

O2 £30 off upfront cost code on select phones

£20 Off

Use this O2 promo code for an Apple Watch Series 5 or 3 for £20 off

£100 Off

£100 off select tablets with this O2 discount code during the Back to School Sale

Prepare for back to school with refurbished tablets from Apple and Samsung! Receive £100 off a large selection of tablets when you use this O2 promo code.
£100 Off

O2 Voucher Code: Additional £100 off any upfront costs for the Google Pixel 6 or Google Pixel Pro

Don't miss out on this limited-time offer! Shop the Google Pixel 6 or Google Pixel Pro with this O2 discount code to receive £100 off upfront costs.
£100 Off

O2 promo code for £100 off the upfront cost of the Sony Xperia 5

Looking to upgrade to a new O2 phone? Grab the Sony Xperia 5 III 5G on a new sim plan to receive £100 off upfront costs!
20% Off

O2 promo code for 20% off airtime when you add a line to your account

Add an additional line to your Multisave account and you can enjoy 20% off your airtime when you apply this O2 discount code on your order.
£100 Off

£100 off the Google Pixel 6 range with this O2 discount code today

Free Delivery

Free nationwide delivery on all orders

Free Delivery

Free delivery on any order

Get your new O2 iPhone or Apple Watch delivered for free! Enjoy free delivery on any order.

O2 Online Top-Ups

If you're considering your next mobile purchase or thinking about switching carriers, there are lots of options available at O2 online! You can choose from a variety of discounted phone deals or opt for an O2 SIM-only deal. It's easy to top up your credit by phone or using an online O2 top-up service, so even if you're on a PAYG basis, you won't run out of phone credit any time soon!

O2 NHS Discount 

O2 also provides an NHS discount to all workers. If you have an O2 iPhone or any other mobile device you can receive discounts like 20% off airtime with an NHS discount or enjoy the many vouchers and coupons made available on this page so you can save more on any upcoming purchases. 

O2 Recycle Scheme

Whether you are an existing customer or a loyal O2 customer you will receive money when trading in your devices and gadgets. If you think you cannot return your old device because you did not purchase it from O2 or because it's broken, think again! O2 will take your goods and gadgets whether you purchased it from them or not, and will pay you money even if your devices are broken.

Post your devices for free and get money sent straight to your bank account, it really doesn’t get any easier than that.   

O2 Phone Plans

O2 phone plans are easy to tailor to your needs, meaning you get the best phone deals that are customised to your exact requirements. It's easy to upgrade when you choose  a customised phone plan from O2, and you can also spread your balance over 36 months if preferred. Don't forget to shop around for the best O2 promo codes before signing up for your new price plan. O2 for business also provides phone plans and deals for business owners looking for more out of their mobile provider. 

If you are joining O2 as a new customer or simply upgrading your plan you can add O2 Disney Plus as an extra to your plan. Your extra will last either one, three or six months after purchase depending on the tariff you have chosen. Visit the O2 website and discover all the amazing add-ons you can grab a hold of with your new phone plan.  

Special Offers 

O2 is your one-stop shop for top-of-the-range phones, broadband services and SIMs. Customers can take advantage of their special offers like 20% off the Airtime Plan for every new eligible Pay Monthly connection. If you purchase an O2 SIM-only plan or an O2 phone or tablet you will have 28 days to text the word LOYALTY to 21500 from your new number. Once you have done that your discount will be added automatically and you can now enjoy the convenience of managing connections with one simple bill. 

Receive all the special offers you need right on their website and for those that are reading this, you will be able to use an O2 promo code or O2 coupon code with your next purchase to get incredible discounts. Find discounts for all your purchases right here on Quidco!

O2 Priority

This was created as a way of saying thank you to all the loyal O2 customers. O2 Priority provides customers with exclusive offers from your most loved brands, tickets and unforgettable experiences as well as access to great entertainment. Concert lovers or event enthusiasts will enjoy the Priority Tickets feature which provides thousands of gigs and events across the UK, up to 48 hours before the general sale. 

O2 Student Discount 

Students can now save money with incredible student discounts. If you purchase either one of the O2 phone contracts or tablets you will get 20% off your Airtime Plan. As a student, every penny counts and that is why right here on this page you can find an O2 voucher code or an O2 promotional code to save on all your big purchases. 

O2 Free Delivery 

At O2 shopping for the latest O2 upgrade or O2, Apple watch is made simple through their user-friendly app and website. Now as an O2 customer you can enjoy even easier delivery for all your purchases. Customers can choose the Click and Collect delivery option which allows you to make purchases online and collect them at the nearest outlet to them. Another option is home delivery where you will be provided with free delivery to your doorstep and if you make any orders at midnight you will receive next-working-day delivery absolutely free.  

Multisave and Financing Options 

For those that do not know what Multisave is, it is a way for customers to save in multiple ways. With Multisave, you can purchase great phones from the leading brands at discounted prices and receive 20% off your Airtime Plan. With O2 there are definitely more ways to save money. 

At O2 they also offer customers the opportunity to create their own financial plans. If you purchased O2 Broadband or an O2 Pay as You Go device you can choose how much to pay upfront allowing you to spread the balance for up to 36 months. If you want to pay it off sooner you can also choose the three-month payment plan option. With great flexibility, O2 puts you in control so that you can create a plan that works for you.

Refurbished Goods

There is nothing better than receiving a phone which is almost as good as new at a super low price. What’s even better is that with all the refurbished devices on offer you are not only getting a deal that is great for saving money but a deal that is more sustainable. When you purchase a second-hand 02 top-up phone or tablet you are helping to reduce e-waste, so you can feel better about the purchases you make from O2 refurbished goods as they will have less impact on the environment. If you need any help with your new devices whether it be an O2 unlock phone problem you have or an O2 device manual that you are seeking, visit the O2 Community page on their website. By visiting their page you’ll get all the help you need, or simply contact one of O2’s friendly customer service agents. 

Contact the O2 Customer Service Team 

Managing your O2 phone service, and using O2 discount codes, is quick and simple from your personal online account, but there are sure to be times you need to get in touch with the O2 customer service team. You may need to find out more about O2 WiFi calling, or perhaps you need to call O2 to cancel your contract. No matter the reason, you can get in touch with a representative by using the O2 phone number, 202, from your mobile device. All other phone numbers are listed on the O2 website; alternatively, you can chat with an O2 expert online using the LiveChat facility, as well.

Popular O2 Vouchers and Sales

Voucher Codes & DealsValueDiscount TypeStatus
Enjoy upfront costs for £13-30 off select iPhones this O2 discount code£30 OffOnline VoucherExpired
10% cashback on top-up cards with this free O2 voucher codeFree Top-UpOnline VoucherExpired
O2 discount codes for 20% off SIM-free phones
20% OffOnline VoucherExpired
O2 Promo Code: £5 off upgraded SIM-only deals for existing customers£5 OffOnline VoucherExpired

O2 Frequently Asked Questions


Does O2 offer student discounts?

Yes. As a student, you will be able to get a 20% discount on airtime with your Refresh Plan. You can also receive 20% off select tech accessories. Just prove your student status and start enjoying savings on your mobile plan.


What are the best discounts that O2 offers?

O2 has a whole lot of discounts to choose from. Some of the best and popular discounts include free credit on select SIM only plans, free gifts with mobile phone purchases, 20% off airtime with the family plan, free delivery on all orders and lots more. Bookmark our website to stay updated on the best O2 discounts throughout the year.


Where can I find O2 discount codes?

You can either search on their site for O2 discount codes, or you can let us do the job for you. Get updates on the best deals on top mobile phone brands like Apple and Samsung as well as SIM plans when you shop our deals above. Anticipate the Black Friday deals coming soon so you do not miss some of the best O2 voucher codes of the year. There are various discounts available for O2 on the Multisave page of their website. You can also receive a discount when you use an O2 voucher or an O2 promotion for your next purchase, you can find all these great discounts right here on Quidco. 


How do you redeem an O2 code?

Scroll through the various discounts on this page. When you find an O2 promo or an O2 coupon, all you have to do is simply click the green Get Deal button. You will be redirected to the O2 website where your code will be automatically copied, so all that’s left is to proceed through the checkout process once you have selected your desired products.