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O2 Promo Codes & Cashback 2019

Updated December 4, 2019
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.
Top cashback offers
£105.75 cashback
for a pay monthly handset contract with a tariff £45+ (excluding iPhone XR)
3 uses today
2.35% cashback
for all PAYG and prepay handsets (excluding iPhone XR, XS and XS Max)
1 use today
3.52% cashback
for accessory sales
2.35% cashback
for all Smartwatches sales
£88.12 cashback
for a pay monthly SIMO contract with a tariff of £30+
£76.37 cashback
for a pay monthly SIMO contract with a tariff of £25 - £29.99
£58.75 cashback
for a pay monthly SIMO contract with a tariff of £20 - £24.99
£47 cashback
for a pay monthly SIMO contract with a tariff of £15 - £19.99
£26.44 cashback
for a pay monthly SIMO contract with a tariff of £10 - £14.99
£11.75 cashback
for a pay monthly SIMO contract with a tariff of £9.99 or less
£94 cashback
for a pay monthly handset contract with a tariff £40 - £44.99 (excluding iPhone XR)
£82.25 cashback
for a pay monthly handset contract with a tariff £35 - £39.99 (excluding iPhone XR)
£58.75 cashback
for a pay monthly handset contract with a tariff £30 - £34.99 (excluding iPhone XR)
£47 cashback
for a pay monthly handset contract with a tariff £25 - £29.99 (excluding iPhone XR)
£35.25 cashback
for a pay monthly handset contract with a tariff £15.01 - £24.99 (excluding iPhone XR)
£23.50 cashback
for a pay monthly handset contract with a tariff of £15 or less (excluding iPhone XR)

£20
OFF
1 use today

Extra £20 off Apple AirPods with this O2 discount code

Get Code SAVE20
£20 Off
1 use today

Extra £20 off Apple AirPods with this O2 discount code

20%
OFF
4 uses today

20% student discount on Airtime Plans

20% Off
4 uses today

20% student discount on Airtime Plans

20%
OFF
1 use today

Over 20% off and free next day delivery on all clearance tech

Grab a new tablet or smartphone from brands like Apple, Samsung, Sony, and LG for over 20% off.
20% Off
1 use today

Over 20% off and free next day delivery on all clearance tech

Grab a new tablet or smartphone from brands like Apple, Samsung, Sony, and LG for over 20% off.

£20
1 use today

18 months of 100GB SIM Only plan for £20 per month

Get Deal
£20
1 use today

18 months of 100GB SIM Only plan for £20 per month

FREE
GIFT
4 uses today

Get £25 in Amazon vouchers when you refer a friend

Free Gift
4 uses today

Get £25 in Amazon vouchers when you refer a friend

£18
1 use today

Limited Time Offer: 12 months of 20GB SIM Only plan for £18 per month

Get Deal
£18
1 use today

Limited Time Offer: 12 months of 20GB SIM Only plan for £18 per month

FREE
DELIVERY
1 use today

Free delivery on all orders

Free Delivery
1 use today

Free delivery on all orders

25%
OFF
3 uses today

Shop like-new devices for over 25% off

Enjoy great discounts on these refurbished phones that include a 12-month warranty.
25% Off
3 uses today

Shop like-new devices for over 25% off

Enjoy great discounts on these refurbished phones that include a 12-month warranty.

40%
OFF
1 use today

10-40% off airtime with Family Plan

40% Off
1 use today

10-40% off airtime with Family Plan

FREE
1 use today

Free Pay As You Go SIMs

Sign up for a pay-as-you-go plan and you'll get the SIM card for free.
Free
1 use today

Free Pay As You Go SIMs

Sign up for a pay-as-you-go plan and you'll get the SIM card for free.

£22
1 use today

40GB for £22 with 18-month sim only plans

Get Deal
£22
1 use today

40GB for £22 with 18-month sim only plans

£61.44
1 use today

Buy the iPhone 11 with 90GB data for £61.44 per month

Get Deal
£61.44
1 use today

Buy the iPhone 11 with 90GB data for £61.44 per month

FROM
£8
1 use today

Tablets starting at £8 per month

From £8
1 use today

Tablets starting at £8 per month

FROM
£17
3 uses today

Pay monthly phones from £17

From £17
3 uses today

Pay monthly phones from £17

£10
OFF
1 use today

£10 free credit when you buy a Big Bundle

Grab any O2 pay as you go sim card bundle and receive a £10 credit.
Get Deal
£10 Off
1 use today

£10 free credit when you buy a Big Bundle

Grab any O2 pay as you go sim card bundle and receive a £10 credit.

IN STORE
1 use today

Free Click and Collect on all orders

IN STORE
1 use today

Free Click and Collect on all orders

FREE
RETURNS
1 use today

Free returns on all orders within 14 days

Free Returns
1 use today

Free returns on all orders within 14 days

Popular Expired O2 Discount Codes
£400 Off
2 uses today

Black Friday Deals: Save £20-£400 SIM Only plans, smartphones, tech accessories and more

£300 Off
1 use today

£300 off the Samsung Galaxy S10 during the Black Friday Sale

With this O2 Black Friday offer, you can save an extra £300 on the 128GB Samsung Galaxy S10!
Free Gift
2 uses today

Free ear buds with Samsung Galaxy phone purchase

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.