Our best SIM Only deals from O2 & giffgaff

Our best SIM Only deals from O2 & giffgaff

backgroundbackgroundbackground

Use our Live Chat to help with your order.

Pocket-friendly, perk-packed SIM only plans

Virgin Media and O2 have joined forces, which means you can grab a great SIM Only deal from O2 or giffgaff.
Whether you fancy a plan packed with perks or one that’s good for your pocket, we’ve got plenty of SIM Only options to choose from.

Great reasons for choosing O2

undefined

Enjoy O2’s award-winning network

Stay connected to all the things that matter with 99% 3G and 4G coverage on an award-winning network that’s powered Virgin Mobile, plus 5G in more than 800 places across the UK.

undefined

Free Euro-roaming

Jetting off? With any O2 plan, you can roam freely across Europe (up to 25GB), plus four extra countries making up 47 in total – all at no extra cost.

undefined

Priority perks and rewards

Download the Priority app for access to rewards, unique experiences, daily treats, prize draws and perks, as well as tickets for thousands of UK gigs and events.

undefined

Fair deal

Rest assured that you always get a fair deal every time. That means O2 customers are offered the same deals as new customers.


Great reasons for choosing giffgaff

undefined

Flexible contracts 

Pick a flexible plan that works for you and change it up or down in just a few clicks. So you never pay more than you need to, and always know what to expect. Terms apply, see giffgaff.com/terms

undefined

Top phones

On top of all the latest brand-new phones, giffgaff also offers refurbished phones that come with a minimum 12-month warranty and battery life guarantee as standard. All at a price that works for you.

undefined

Roam like home

Going away? You can use up to 5GB of your full allowance while you’re in the EU, at no extra cost.  Fair Usage Policy applies for calls and texts.

undefined

Goodness certified

giffgaff has been voted uSwitch Network of the Year for the third year running. And they’re officially committed to doing good for people and the planet.



FAQs

Virgin Media and O2 joined forces in June 2021, creating one of the nation’s largest telecoms providers – offering award-winning mobile services and lightning-fast broadband in one place.

In January 2023, we announced that Virgin Mobile customers would be moving to O2 plans by the end of the year, and that we’d be simplifying our phone and SIM plans under the O2 and giffgaff brands.

We stopped trading as Virgin Mobile at the end of August 2023.

Don’t worry – Virgin Media services like broadband, TV and home phone aren’t changing at all. 

With any O2 plan, you can roam freely – using up to 25GB of data – in the EU and four more countries, making up 47 countries in total. All at no additional cost.

So, you can stay connected without worrying about extra charges while you’re travelling.

For info on charges and Bolt Ons beyond these limits or outside these regions, visit the O2 travel and roaming page here.

giffgaff is a mobile operator that's owned by O2 and runs on the O2 network. It offers flexible plans for freedom-seekers - from Pay As You Go and monthly rolling options to longer contracts with loads of value.

giffgaff's all about doing good – for you, your pocket and our planet.

In fact, it's officially a B Corp, joining a network of more than 1,000 UK companies that want to make a positive impact on the world around us.

giffgaff was voted Uswitch Network of the Year 2023 for the third year running.