Sim Only Deals on the O2 network

Here are today's cheapest SIM only deals, order online, receive it in the post, pop it in your existing phone.

£14 For 1 Month
  • 500MBData
  • 500Minutes
  • 500Texts
  • £14Total Cost
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O2 SIM Card
O2 Logo

Why choose O2 for a SIM Only deal?

O2 is the commercial brand of Telefonica UK Limited and is a leading digital communications company with the highest customer satisfaction for any mobile provider according to Ofcom. With over 23 million customers, O2 runs 2G, 3G and 4G networks across the UK, as well as operating O2 Wifi.

Compare O2 SIM Only Deals

1 Month Contract Term

NetworkInclusiveMonthPrice
O2 Logo9GB DataUnlimited MinutesUnlimited Texts1£21
O2 Logo15GB DataUnlimited MinutesUnlimited Texts1£25
O2 Logo25GB DataUnlimited MinutesUnlimited Texts1£30
O2 Logo40GB DataUnlimited MinutesUnlimited Texts1£40
O2 Logo50GB DataUnlimited MinutesUnlimited Texts1£47

12 Months Contract Term

NetworkInclusiveMonthsPrice
O2 Logo10GB DataUnlimited MinutesUnlimited Texts12£17
O2 Logo9GB DataUnlimited MinutesUnlimited Texts12£19
O2 Logo20GB DataUnlimited MinutesUnlimited Texts12£21
O2 Logo15GB DataUnlimited MinutesUnlimited Texts12£23
O2 Logo100GB DataUnlimited MinutesUnlimited Texts12£25
O2 Logo25GB DataUnlimited MinutesUnlimited Texts12£28

24 Months Contract Term

NetworkInclusiveMonthsPrice
O2 Logo25GB DataUnlimited MinutesUnlimited Texts24£28
Check out the SIM Only deals from any of these UK Networks.

If you use a lot of mobile data then we have you covered, check out the today's best Unlimted Data SIM from across all available UK Networks.