Cheapest Cell Phone Plan in the UK
Discover 6 deals available this month.
1.VOXI Unlimited Data SIM
VOXI offers an unlimited data SIM-only plan for £10 per month on the Vodafone network, including free streaming and social media extras. It provides a budget-friendly option for heavy data users seeking added perks.
View Deal →At just £10 per month, VOXI delivers unlimited data along with bonus streaming and social media benefits, making it a standout choice for heavy data consumers on Vodafone’s reliable network.
Pros:
- Unlimited data for a low monthly cost
- Includes free streaming and social media extras
- Operates on the Vodafone network
Cons:
- No specific mention of EU roaming benefits
- Only suitable for users who want unlimited data and extras, not low-data plans
- Limited details available on contract length or flexibility
2.Lebara Low-Data SIM
Lebara Low-Data SIM offers an affordable SIM-only plan from around £5 per month on the Vodafone network, including up to 30GB of EU roaming. It's a budget-friendly option for low data users who travel within Europe.
View Deal →At just £5 a month, Lebara's low-data SIM provides a generous 30GB of EU roaming, making it a standout for those needing affordable connectivity abroad without heavy data use.
Pros:
- Low cost starting at around £5 per month
- Uses reliable Vodafone network
- Includes up to 30GB of EU roaming
Cons:
- Data allowance is limited, not suitable for heavy users
- No mention of unlimited calls or texts included
- May lack extras like streaming or social media benefits
3.Talkmobile SIM-Only
Talkmobile SIM-Only offers a budget-friendly low-data plan with 5GB of free EU roaming on the Vodafone network and guarantees no mid-contract price increases.
View Deal →Offering stable pricing and EU roaming benefits, Talkmobile SIM-Only is a practical choice for light data users who want to avoid unexpected cost hikes during their contract.
Pros:
- Includes 5GB free EU roaming
- Operates on the reliable Vodafone network
- No mid-contract price rises
Cons:
- Only a low-data plan, may not suit heavy data users
- Limited data included compared to some competitors
- No mention of additional perks like streaming benefits
4.iD Mobile SIM-Only
iD Mobile offers a budget-friendly SIM-only plan on the Three network with unlimited minutes and texts plus up to 30GB of free EU roaming across 50 destinations. A practical choice for those needing moderate data and roaming flexibility.
View Deal →Perfect if you want a low-cost SIM plan with comprehensive EU roaming and unlimited calls and texts on a reliable network. iD Mobile stands out by blending affordability with generous roaming benefits.
Pros:
- Up to 30GB free EU roaming in 50 destinations
- Unlimited minutes and texts included
- Operates on the Three network with good coverage
Cons:
- Data allowance capped at 30GB, not unlimited
- No specific pricing details provided in the research
- May not be ideal for heavy data users seeking unlimited plans
5.Smarty SIM-Only
Smarty offers cheap SIM-only plans on Three's 5G network with flexible options and no long-term contracts. Pricing starts low, making it easy to switch or cancel anytime.
View Deal →Flexible and affordable, Smarty’s SIM-only plans provide a hassle-free way to access Three’s 5G network without being tied down by contracts.
Pros:
- Affordable plans starting at low prices
- Access to fast 5G network on Three
- No long-term contracts for flexibility
Cons:
- Pricing details not fully specified in research
- No mention of roaming or extras included
- Limited information on data allowances
6.Tesco Mobile Clubcard SIM
Tesco Mobile Clubcard SIM offers 30GB or 100GB data options at discounted Clubcard prices during the January sale, with locked-in usage rates and Clubcard points on purchases.
View Deal →Offering significant data allowances at Clubcard prices, Tesco Mobile’s SIM deal stands out for customers who want to combine mobile savings with loyalty rewards.
Pros:
- Choice between 30GB and 100GB data plans
- Clubcard prices provide discounted rates
- Frozen usage rates prevent unexpected price increases
- Earn Clubcard points on your mobile spend
Cons:
- Limited to January sale period availability
- No specific pricing details provided in the research
- No mention of network coverage or additional features
Final Words
To get the best value for your money, take time to compare these affordable January 2026 cell phone plans in the UK and check current offers carefully to match your data and usage needs. This way, you can secure a plan that fits your lifestyle without overspending.
Frequently Asked Questions
The cheapest unlimited data SIM-only plan is VOXI Unlimited Data SIM, priced at £10 per month on the Vodafone network. It includes free streaming and social media extras, making it a great budget option for heavy data users.
Yes, the VOXI Unlimited Data SIM plan includes free streaming and social media extras alongside unlimited data. This makes it ideal for users who frequently use streaming services and social media apps.
The VOXI Unlimited Data SIM plan operates on the Vodafone network, ensuring good coverage and reliable service across the UK.
Yes, Lebara offers an affordable low-data SIM-only deal starting around £5 per month on the Vodafone network, which includes up to 30GB of EU roaming. Talkmobile also provides a budget low-data plan with 5GB free EU roaming on Vodafone with no mid-contract price rises.
Smarty SIM-Only offers cheap plans on Three's 5G network that start low and are flexible with no long-term contracts. This makes it a good choice if you want to avoid commitment and maintain flexibility.
Lebara offers up to 30GB free EU roaming, Talkmobile includes 5GB free EU roaming, and iD Mobile provides up to 30GB free EU roaming in 50 destinations. These plans allow you to use data while traveling within the EU without extra charges.
