O2 Promo Codes & Cashback 2021

Updated July 20, 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
£99 cashback
for a pay monthly handset contract with a tariff of £60+
1 use today
2.2% cashback
for all Smartwatches sales, including Apple Watch Series 5
£5.50 cashback
for a pay monthly dongle or hotspot
3.3% cashback
for accessory sales
£11 cashback
for a pay monthly SIMO contract with a tariff of £9.99 or less
£24.75 cashback
for a pay monthly SIMO contract with a tariff of £10 - £14.99
£44 cashback
for a pay monthly SIMO contract with a tariff of £15 - £19.99
£55 cashback
for a pay monthly SIMO contract with a tariff of £20 - £24.99
£71.50 cashback
for a pay monthly SIMO contract with a tariff of £25 - £29.99
£82.50 cashback
for a pay monthly SIMO contract with a tariff of £30 or more
£22 cashback
for a pay monthly handset contract with a tariff up to £19.99
£33 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
£66 cashback
for a pay monthly handset contract with a tariff £40 - £49.99
£88 cashback
for a pay monthly handset contract with a tariff £50 - £59.99

10%
OFF
15 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
15 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!

20%
OFF
5 uses 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
5 uses 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!

25%
OFF
5 uses today

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

25% Off
5 uses today

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

£5
OFF
4 uses today

Pay As You Go Offer: Register for My O2 and score a £5 free credit

Don't miss out on this O2 pay as you go deal! Sign up for an account to claim your £5 credit.
£5 Off
4 uses today

Pay As You Go Offer: Register for My O2 and score a £5 free credit

Don't miss out on this O2 pay as you go deal! Sign up for an account to claim your £5 credit.

20%
OFF
1 use today

20% off Airtime with with the Family Plan

Add up to 20 connections and score 20% off for every eligible connection.
20% Off
1 use today

20% off Airtime with with the Family Plan

Add up to 20 connections and score 20% off for every eligible connection.

£10 CREDIT
5 uses today

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

£10 Credit
5 uses today

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

FREE
DELIVERY
1 use 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
1 use today

Free delivery on any order

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

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

FREE
SUBSCRIPTIONS
1 use today

Free music, audiobook or TV subscriptions with your device or SIM Only contracts

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

Free music, audiobook or TV subscriptions with your device or SIM Only contracts

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!

£250
OFF
1 use today

Clearance: Phones and tablets for up to £250 in savings

Explore the O2 Shop clearance section and save on accessories, tablets, and phones for a limited time.
£250 Off
1 use today

Clearance: Phones and tablets for up to £250 in savings

Explore the O2 Shop clearance section and save on accessories, tablets, and phones for a limited time.

FROM
£11.99
1 use today

Apple Smartwatches from £11.99 a month

From £11.99
1 use today

Apple Smartwatches from £11.99 a month

FROM
£38
2 uses today

iPhone 12 with plans from £38 a month

From £38
2 uses today

iPhone 12 with plans from £38 a month

£2
OFF
3 uses today

£2 off your monthly bill when you add Disney+ to your current plan

Enjoy tons of entertainment options for less! With this O2 Disney Plus offer, take £2 off your bill when you add on this service.
£2 Off
3 uses today

£2 off your monthly bill when you add Disney+ to your current plan

Enjoy tons of entertainment options for less! With this O2 Disney Plus offer, take £2 off your bill when you add on this service.

£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.

FROM
£6.99
1 use today

Apple and Samsung accessories from £6.99

From £6.99
1 use today

Apple and Samsung accessories from £6.99

FROM
£40
1 use today

iPhone 12 5G with plans from £40 a month

Get the latest Apple phone for less! Take advantage of this O2 phone deal and get a new iPhone 12 for as little as £40 monthly.
From £40
1 use today

iPhone 12 5G with plans from £40 a month

Get the latest Apple phone for less! Take advantage of this O2 phone deal and get a new iPhone 12 for as little as £40 monthly.

IN STORE
1 use today

Free Click and Collect available in select stores

In Store
1 use today

Free Click and Collect available in select 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
2 uses 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.