Find your perfect Pay Monthly SIM
Happy with your phone? Save money with a Pay Monthly SIM. You can even keep your number if you've joined from another network. Browse our best SIM only deals today, and choose a 30 day, 12 month or 24 month contract.
150GB Plus
Unlimited UK Minutes
Unlimited UK Texts
24 Month
Get 150GB data for £19.99†, for 24 months. Ends 5 June.
Roam at no extra cost in 75 destinations worldwide, including the EU, the USA, Australia and Mexico.
Choose 6 months of Disney+ Standard, Amazon Prime, or more.
Option to upgrade to a new phone and plan after three months.
Unlimited Plus
Unlimited UK Minutes
Unlimited UK Texts
24 Month
Get Unlimited data for £16.49† a month, for the first 6 months. Then £32.99† per month. Ends 5 June.
Roam at no extra cost in 75 destinations worldwide, including the EU, the USA, Australia and Mexico.
Choose 6 months of Disney+ Standard, Amazon Prime, or more.
Option to upgrade to a new phone and plan after three months.
12GB Plus
Unlimited UK Minutes
Unlimited UK Texts
24 Month
Get 12GB for £17.99†, for 24 months.
Roam at no extra cost in 75 destinations worldwide, including the EU, the USA, Australia and Mexico.
Choose 6 months of Disney+ Standard, Amazon Prime, or more.
Option to upgrade to a new phone and plan after three months.
250GB
Unlimited UK Minutes
Unlimited UK Texts
24 Month
Get 250GB for £26†, for 24 months.
Roam freely in the EU. Only on O2. Up to 25GB.
Choose 3 months of Disney+ Standard, Amazon Prime, or more.
Option to upgrade to a new phone and plan after three months.
†Monthly price of your Airtime Plan will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. If RPI is negative, we'll only apply the 3.9%. See o2.co.uk/prices.