O2 Discount Codes in March 2026

O2

O2 offers a wide range of flexible mobile plans designed to keep you connected.

Blue robot mascot holding finger to lips, O2 Purpl discounts for disabilities and long term health conditions, mobility discounts and offers.

Browse all discounts, vouchers, and promos from O2

Blue O2 robot holding a SIM card, Purpl discounts for disabilities and long term health conditions, shopping discounts for disabled people.

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O2

£8 p/m, 40GB, SIM only

Blue O2 robot holding a SIM card, Purpl discounts for disabilities and long term health conditions, shopping discounts for disabled people.

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O2

£10 p/m 80GB, SIM only

Blue O2 robot holding a SIM card, Purpl discounts for disabilities and long term health conditions, shopping discounts for disabled people.

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O2

£12 p/m, 100GB, SIM only

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40% off sim only plans

40% airtime discount

£28.99 p/m iPhone 17e 256GB

£17 p/m, unlimited data, texts & minutes

15% off selected products

£20 p/m 120gb unlimited calls & texts

5% off Galaxy S25 Ultra

£17 p/m, unlimited data

£9 p/m 80gb

30GB SIM for £7 per month

iPhone 17, 256GB, £30 a month, £19.99 upfront cost

iPhone 16, 128GB, £25.20 a month, £9.99 upfront cost

Get a £20 Amazon gift card when switching Mobile Contract

Get a £10 Amazon gift card when switching Sim Only

£9 p/m, 60gb 12 month airtime plan

Up to 30% off

Carphone Warehouse

Refer a friend & earn up to £50

10% off full price

Up to 25% off selected products

£12 p/m 100gb 12 month airtime plan

Purpl Discounts

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