January sales SIM only deals
Start the year with a cheaper SIM-only plan — compare the best January sales deals from UK mobile networks.
Are the January sales the best time to grab a SIM only deal?
The January sales often bring lower prices and bigger data allowances as networks compete for customers after the festive period.
It's a great window to compare deals, but rolling SIM offers run year-round, so always check the per-month cost rather than assuming a 'sale' is automatically cheapest.
Will a January sale price stay the same for my whole contract?
Promotional prices usually apply for the length of the agreed term, but some deals revert to a higher rate afterwards or include mid-contract price rises.
Read the terms carefully so you know exactly what you'll pay over the full life of the plan.
goodybag 25GB - 0 months
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Three 12GB 10pm 24m SIM Only
VOXI 12 1m SIMO
Unlimited Calls and Texts 75GB - 12 months
Grade Mobile 30GB 12-month SIM
SIM Only Ultimate Unlimited - 12 months
- Price becomes £44.49 on 1 April 2027
National Plus
5G SIM Only 300GB - 24 months
- Each April iD monthly prices rise by £1.50.
Talkmobile 200GB 1 month SIM
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