Veritaset / the United Kingdom / O2
Compare O2 mobile plans (October 2026)
O2 sells 8 mobile plans in the United Kingdom, from £10.00/month (Big Bundle £10).
See every brand in the United Kingdom
Operator facts
| Activation fee | eSIM | Network | Contract | EU roaming | Promo code | Source · checked |
|---|---|---|---|---|---|---|
| £0.00 | Yes | O2 | prepaid, no subscription | 8 GBstated | unknown | o2.co.uk · |
All plans
- Big Bundle £10 costs £10.00 a month, includes 8 GB data and Unlimited, prepaid, no subscription, EU allowance 8 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Rolling plan £10 costs £10.00 a month, includes 10 GB data and Unlimited, prepaid, no subscription, EU allowance 10 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Big Bundle £15 costs £15.00 a month, includes 25 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Rolling plan £15 costs £15.00 a month, includes 30 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Big Bundle £20 costs £20.00 a month, includes 40 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Rolling plan £20 costs £20.00 a month, includes 50 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Big Bundle £30 costs £30.00 a month, includes 125 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
- Rolling plan £30 costs £30.00 a month, includes 150 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Order at o2.co.uk/shop/sim-cards/pay-as-you-go Go to O2. checked
O2 eSIM
8 of the 8 O2 plans state eSIM. The cheapest with eSIM is O2 Big Bundle £10, at £10.00 a month.
O2 roaming
Elsewhere in the EU, O2 plans give 8 to 25 GB, as O2 states.
Who it's cheapest for
Not the cheapest for any of the 5 standard situations we compare.
- For Data only, no calls needed (1 GB+), O2 Rolling plan £10 costs £10.00/month; Now Mobile Lite is cheaper at £2.50/month, about £90.00/year less over a year (effective cost, fees and extra use included).
- For 5 GB+, O2 Rolling plan £10 costs £10.00/month; Lyca Mobile UK Plan Smart 24 month is cheaper at £4.00/month, about £72.00/year less over a year (effective cost, fees and extra use included).
- For 20 GB+, O2 Rolling plan £15 costs £15.00/month; Talkmobile 30GB (30 days) is cheaper at £6.95/month, about £96.60/year less over a year (effective cost, fees and extra use included).
- For 50 GB+, O2 Rolling plan £20 costs £20.00/month; Talkmobile 60GB (30 days) is cheaper at £7.95/month, about £144.60/year less over a year (effective cost, fees and extra use included).
- For 100 GB+, O2 Rolling plan £30 costs £30.00/month; Talkmobile 100GB (12 months) is cheaper at £8.71/month, about £255.48/year less over a year (effective cost, fees and extra use included).
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