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Latest Pay Monthly offers
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40GB Classic Plan £17 a month
Get a 24-month SIM Only at an epic low price until 18 March. Rises to £19.50 April ’26, £22 April ’27.
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Unlimited Plus Plan £22.99 a month
Grab a great low price until 18 March on a 24-month SIM Only. Rises to £25.49 April ’26, £27.99 April ’27.
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100GB Classic Plan £19 a month
Irresistible price on SIM Only across 24 months. Rises to £21.50 April ’26, £24 April ’27. Offer ends 18 March.
Pay As You Go SIMs
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Perks for being with O2
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Roam freely in the EU
Unlike other major networks, we don't charge extra for EU roaming, up to 25GB
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Priority
Jump into a world of exclusive rewards and experiences. It’s our way of saying thanks for being with us.
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