O2 Promo Codes & Cashback 2021

Updated October 23, 2021
O2 is the UK’s leading provider of mobile phones and mobile broadband, offering a great choice of phone handsets, SIM only, tablets, wearables and iPad SIM deals. As well as all this, O2 also offers its customers amazing exclusive incentives. Make sure to use O2 promo codes and O2 discount codes for savings on your next plan.
Cashback Rates
£104.50 cashback
for a pay monthly handset contract with a tariff of £60+
2.32% cashback
for all Smartwatches sales, including Apple Watch Series 5
£5.81 cashback
for a pay monthly dongle or hotspot
£92.89 cashback
for a pay monthly handset contract with a tariff £50 - £59.99
3.48% cashback
for accessory sales
£69.67 cashback
for a pay monthly handset contract with a tariff £40 - £49.99
£58.05 cashback
for a pay monthly handset contract with a tariff £30 - £39.99
£34.83 cashback
for a pay monthly handset contract with a tariff £20 - £29.99
£23.22 cashback
for a pay monthly handset contract with a tariff up to £19.99
£87.08 cashback
for a pay monthly SIMO contract with a tariff of £30 or more
£75.47 cashback
for a pay monthly SIMO contract with a tariff of £25 - £29.99
£58.05 cashback
for a pay monthly SIMO contract with a tariff of £20 - £24.99
£46.44 cashback
for a pay monthly SIMO contract with a tariff of £15 - £19.99
£26.12 cashback
for a pay monthly SIMO contract with a tariff of £10 - £14.99
£11.61 cashback
for a pay monthly SIMO contract with a tariff of £9.99 or less

£30
OFF
2 uses today

£30 off the upfront cost of the iPhone SE 2020 using this O2 discount code

£30 Off
2 uses today

£30 off the upfront cost of the iPhone SE 2020 using this O2 discount code

£150
OFF
1 use today

Up to £150 off a like-new iPhone XS using this O2 discount code

For a limited time only take up to £150 off a like-new iPhone Xs when you use this O2 discount code at checkout.
£150 Off
1 use today

Up to £150 off a like-new iPhone XS using this O2 discount code

For a limited time only take up to £150 off a like-new iPhone Xs when you use this O2 discount code at checkout.

10%
OFF
13 uses today

Over 10% off with the latest deals and promotions

Score 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
13 uses today

Over 10% off with the latest deals and promotions

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

25%
OFF
6 uses today

Up to 25% off Airtime plans for NHS employees and teachers with O2 Open

25% Off
6 uses today

Up to 25% off Airtime plans for NHS employees and teachers with O2 Open

20%
OFF
1 use today

20% off Airtime Plans + accessories with the O2 student discount

Verify your student status and enjoy 20% off an Airtime Plan with a phone, tablet or mobile broadband device on O2 Refresh, plus, 20% off select accessories!
20% Off
1 use today

20% off Airtime Plans + accessories with the O2 student discount

Verify your student status and enjoy 20% off an Airtime Plan with a phone, tablet or mobile broadband device on O2 Refresh, plus, 20% off select accessories!

20%
OFF
4 uses today

Family Plan: Extra 20% off airtime when you add more devices or sims to your bill

20% Off
4 uses today

Family Plan: Extra 20% off airtime when you add more devices or sims to your bill

£30 CREDIT
3 uses today

£10-£30 credit on select O2 Pay As You go SIM only deals

£30 Credit
3 uses today

£10-£30 credit on select O2 Pay As You go SIM only deals

FREE
AIRTIME
1 use today

6 months of free Airtime at O2 when you buy a Samsung Galaxy Watch

Free Airtime
1 use today

6 months of free Airtime at O2 when you buy a Samsung Galaxy Watch

FREE
GIFT
1 use today

Claim a free pair of Bose Noise Cancelling headphones when you preorder the Google Pixel 6 and 6 Pro

For a limited time only, claim a pair of Bose Noise Cancelling headphones worth £349 when you either preorder the Google Pixel 6 or Google Pixel 6 Pro!
Free Gift
1 use today

Claim a free pair of Bose Noise Cancelling headphones when you preorder the Google Pixel 6 and 6 Pro

For a limited time only, claim a pair of Bose Noise Cancelling headphones worth £349 when you either preorder the Google Pixel 6 or Google Pixel 6 Pro!

FREE
DELIVERY
2 uses today

Free delivery on any order

Get your new O2 iPhone or Apple Watch delivered for free! Enjoy free delivery on any order.
Free Delivery
2 uses today

Free delivery on any order

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

FREE
MUSIC
1 use today

Up to 6 months free Apple Music when you spread out of your new product

Get up to six months’ Apple Music on us when you buy selected products on a Device Plan,
Get Deal
Free Music
1 use today

Up to 6 months free Apple Music when you spread out of your new product

Get up to six months’ Apple Music on us when you buy selected products on a Device Plan,

FROM
£35.50
1 use today

iPhone 13 Pro from £35.50 when you trade-in your old device

From £35.50
1 use today

iPhone 13 Pro from £35.50 when you trade-in your old device

FROM
£35
1 use today

Double data, 6 months of Apple Music and more perks when you buy an iPhone 12 from £35 a month

From £35
1 use today

Double data, 6 months of Apple Music and more perks when you buy an iPhone 12 from £35 a month

£2
OFF
1 use today

£2 off/month when you add Disney+ to your plan

£2 Off
1 use today

£2 off/month when you add Disney+ to your plan

£10 CREDIT
1 use today

Online Only: Free £10 credit with Pay As You Go SIMs

£10 Credit
1 use today

Online Only: Free £10 credit with Pay As You Go SIMs

£26
1 use today

SIM Only Deals: Unlimited high speed data for £26 per month

£26
1 use today

SIM Only Deals: Unlimited high speed data for £26 per month

FROM
£4.99
1 use today

Apple and Samsung accessories with prices starting at £4.99

Browse for phone cases, cables and more accessories starting from £4.99.
From £4.99
1 use today

Apple and Samsung accessories with prices starting at £4.99

Browse for phone cases, cables and more accessories starting from £4.99.

FREE
SUBSCRIPTIONS
1 use today

Upgrades, free TV, books, and more extras available with SIM only contracts

Enjoy and choose an O2 extra with your devices or SIM contracts for free! Get Audible, Prime Video, Amazon Music and many more without any extra costs for up to 6 months!
Free Subscriptions
1 use today

Upgrades, free TV, books, and more extras available with SIM only contracts

Enjoy and choose an O2 extra with your devices or SIM contracts for free! Get Audible, Prime Video, Amazon Music and many more without any extra costs for up to 6 months!

10%
OFF
1 use today

Receive 10% of your top-ups back every 3 months with O2 Rewards

10% Off
1 use today

Receive 10% of your top-ups back every 3 months with O2 Rewards

£22
1 use today

150GB of high speed data for £22 per month with SIM only deals

Shopping for a new phone plan? Grab 150GB of data on this £22 SIM only plan at O2! Plus, enjoy up to 6 months of Apple Music, Disney+ or other free add-ons.
£22
1 use today

150GB of high speed data for £22 per month with SIM only deals

Shopping for a new phone plan? Grab 150GB of data on this £22 SIM only plan at O2! Plus, enjoy up to 6 months of Apple Music, Disney+ or other free add-ons.

IN STORE
1 use today

FREE Click and Collect available in selected stores

In Store
1 use today

FREE Click and Collect available in selected stores

FREE
RETURNS
1 use today

Free returns on your purchase within 28 days

Don't completely love your new mobile? Enjoy free returns on your new O2 phone for 28 days after purchase.
Free Returns
1 use today

Free returns on your purchase within 28 days

Don't completely love your new mobile? Enjoy free returns on your new O2 phone for 28 days after purchase.
Popular Expired O2 Discount Codes
£100 Off
1 use today

£100 off the upfront cost on select Sony phones with this O2 voucher code

Looking for a deal on a new Sony phone? Get an O2 phone contract with your new mobile and save £100 with this special offer.
£18
1 use today

20GB SIM-only plan for £18 a month | 25GB for £20 | 50GB for £28

Catch these O2 Sim Only offers with prices from £18 for 20GB!
£30 Off
1 use today

Ends Soon: £30 off upfront fees with select phones using this O2 promo code

Popular O2 Vouchers

Voucher Codes & DealsValueDiscount TypeStatus
Free O2 voucher codes for 10% off contracts10% OffOnline VoucherExpired
O2 £30 off upfront costs£30 OffOnline VoucherExpired
Free top-up codes for O2Free Top UpOnline VoucherExpired
O2 20% off SIM-free phones20% OffOnline VoucherExpired

More About O2

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 O2 online top upservice, so even if you're on a PAYG basis, you won't run out of phone credit any time soon!


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. 


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.

FAQs with O2


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. Browse the Quidco website to stay updated on the best O2 discounts throughout the year.


Where can I find O2 discount codes?

You can either search on the O2 site for discount codes which are published from time to time or you can let Quidco 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 search on Quidco. Anticipate the Black Friday deals coming soon so you do not miss some of the best discount codes of the year.