What is airtime o2
An O2 airtime plan is the monthly contract that covers your calls, texts and data, separate from any device or handset plan you might hold. If you have multiple lines on your account, O2's Multisave scheme reduces the cost of each airtime plan. The standard airtime plan price drops by £3.20 per line when Multisave is applied, bringing it to £12.80 a month.
What is O2 Multisave and how does it affect your airtime cost?
Multisave is O2's discount scheme for customers who hold more than one eligible number on the same account. Each qualifying line gets £3.20 knocked off its monthly airtime plan cost. So instead of paying the standard rate, you pay £12.80 per line per month.
The saving applies per line, so the more numbers you add, the more you save across the account as a whole. O2 allows up to 20 eligible numbers on a single Multisave account, which makes it practical for families or small businesses managing several SIMs under one roof.
How do you add numbers to O2 Multisave?
You manage Multisave through O2's Plans and Tariffs section on o2.co.uk. From there you can link eligible numbers to your account and the discount is applied automatically to each one. The My O2 app gives you the same access if you prefer to handle it on your phone.
Each number you add must be eligible under O2's current Multisave terms, so check the scheme details on the O2 site before assuming every line qualifies. The cap of 20 numbers is generous enough for most household or small-team setups.
Is the Multisave discount worth it?
At £3.20 saved per line each month, two lines save £6.40 a month, or £76.80 over a year. At the maximum of 20 lines, the saving reaches £64 a month across the account. For anyone already paying for multiple O2 airtime plans, linking them under Multisave is a sensible choice with no obvious downside.
Check the current eligibility criteria on o2.co.uk, as plan terms can change. The figures above reflect O2's published pricing as of May 2026.
Frequently asked questions
- what is O2 airtime plan
- An O2 airtime plan is your monthly contract covering calls, texts and data, separate from any device or handset plan. It's the service charge you pay each month to use your phone on the O2 network.
- how much does O2 Multisave save per line
- O2 Multisave saves £3.20 per line each month, bringing your airtime plan cost down to £12.80 per month per line. The more eligible numbers you add to your account, the more you save overall.
- how many numbers can I add to O2 Multisave
- You can add up to 20 eligible numbers to a single O2 Multisave account. This makes it practical for families or small businesses managing multiple SIMs under one account.
- how do I set up O2 Multisave
- You can set up O2 Multisave through the Plans and Tariffs section on o2.co.uk or via the My O2 app. Simply link your eligible numbers to your account and the £3.20 discount is applied automatically to each line.
- do all O2 numbers qualify for Multisave
- Not all numbers automatically qualify for O2 Multisave. You should check the scheme details on the O2 website to confirm which of your numbers are eligible before adding them to your account.
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Sources
- Multisave | Plans & Tariffs | O2 (www.o2.co.uk)
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