O2 SIM only deals
O2 has a variety of SIM only deals available on different contract lengths. If you need something different, O2 are have a range of other SIM only deals available:
Our top pick
Mobile SIM Deal
24 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£24
per month
Airtime plan will increase every April bill thereafter. Price will be £25.80 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £27.60 from Apr 2027.
Mobile SIM Deal
24 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£33.99
per month
Airtime plan will increase every April bill thereafter. Price will be £35.79 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £37.59 from Apr 2027.
Mobile SIM Deal
12 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£35
per month
Airtime plan will increase every April bill thereafter. Price will be £36.80 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £38.60 from Apr 2027.
Mobile SIM Deal
12 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£36.99
per month
Airtime plan will increase every April bill thereafter. Price will be £38.79 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £40.59 from Apr 2027.
Mobile SIM Deal
1 month
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£38
per month
Airtime plan will increase every April bill thereafter. Price will be £39.80 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £41.60 from Apr 2027.
Mobile SIM Deal
24 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£42.49
per month
Airtime plan will increase every April bill thereafter. Price will be £44.29 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £46.09 from Apr 2027.
Mobile SIM Deal
12 months
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£45.49
per month
Airtime plan will increase every April bill thereafter. Price will be £47.29 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £49.09 from Apr 2027.
Mobile SIM Deal
24 months
DATA
250 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£27
per month
Airtime plan will increase every April bill thereafter. Price will be £28.80 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £30.60 from Apr 2027.
Mobile SIM Deal
24 months
DATA
150 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£19.99
per month
Airtime plan will increase every April bill thereafter. Price will be £21.79 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £23.59 from Apr 2027.
Mobile SIM Deal
12 months
DATA
150 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£28.99
per month
Airtime plan will increase every April bill thereafter. Price will be £30.79 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £32.59 from Apr 2027.
Mobile SIM Deal
1 month
DATA
150 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£32
per month
Airtime plan will increase every April bill thereafter. Price will be £33.80 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £35.60 from Apr 2027.
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