How Much Does O2 Cost in the UK?
O2 mobile plans start at approximately £12 per month for SIM-only. O2 is known for its Priority rewards programme offering exclusive access to concerts, sports events, and retail deals. According to O2, the network has over 34 million UK connections (including MVNOs on its network like giffgaff and Tesco Mobile).
| Plan Type | Typical Monthly Cost | Contract |
|---|---|---|
| SIM-only (6GB) | £12–£16 | 12 or 24 months |
| SIM-only (unlimited) | £22–£30 | 12 or 24 months |
| Pay Monthly + phone | £28–£60+ | 24 or 36 months |
| Pay As You Go | From £10 top-up | No contract |
O2 Priority gives members exclusive pre-sale access to O2 Arena events, free coffees, and retail offers. This is a genuine differentiator — no other UK network offers comparable loyalty perks.
Compare all options on our UK Telecoms subscriptions page.
Does O2 Auto-Renew?
Yes, O2 contracts roll onto 30-day terms after the minimum period. O2 sends end-of-contract notifications. Check in the My O2 app.
How to Cancel O2 in the UK
Text PAC to 65075 (keep number) or STAC to 75075 (lose number). Give the code to your new provider. Switch within 1 working day. Early termination fees apply during the minimum term.
See also our guides to EE UK subscription and Giffgaff UK subscription.
Is O2 Worth It in 2026?
O2 offers reliable coverage with the strongest loyalty programme of any UK network. Priority perks add genuine value if you attend events or use the rewards regularly.
| Pros | Cons |
|---|---|
| O2 Priority rewards (concerts, coffees, deals) | Mid-range pricing |
| Strong 4G coverage (99% population) | 5G rollout slower than EE |
| O2 Arena priority access | Customer service can be slow |
| Giffgaff runs on O2's network (budget option) | Out-of-contract rates increase |
| EU roaming included | Some data plans have fair usage limits |
EE is faster. Giffgaff uses the same O2 network at lower prices without Priority perks. O2 is best for users who value the Priority rewards programme.
Track Your O2 Subscription with Prunely
Prunely lets you add O2 to track contract end dates. Set reminders to renegotiate. Track alongside all subscriptions — no bank connection needed. Prunely is free for up to 5 subscriptions.
Frequently Asked Questions
How much does O2 cost per month?
O2 SIM-only starts at ~£12/month. Unlimited data costs £22-30/month. Phone contracts start at £28+/month. All plans include O2 Priority rewards.
What is O2 Priority?
O2 Priority gives members exclusive pre-sale access to O2 Arena events, free weekly treats (coffees, cinema tickets), and retail discounts. Access through the Priority app. It is included free with all O2 plans.
How do I leave O2?
Text PAC to 65075 for a switching code. Give it to your new network. Switch happens within 1 working day. No fee after minimum contract ends. Early termination during contract requires paying remaining months.
Is Giffgaff on the O2 network?
Yes. Giffgaff uses O2's network infrastructure, offering the same coverage at lower prices. Giffgaff does not include O2 Priority rewards.
Does O2 have 5G?
Yes. O2's 5G covers major UK cities and is expanding. 5G is included on compatible plans at no extra cost. O2's 5G rollout is behind EE but ahead of Three in many areas.