Cable.co.uk may earn a commission when you purchase via links on our site. The price you pay will always be equal to or often cheaper than the price you would pay by going direct to the provider.
Compare deals
Filter
Sort by
Filter resultsDone
Phones with SIMSIM free phonesSIM onlyData SIMs
Data speed
Any5G
Network
3BTEEgiffgaffiDO2PlusnetSkySmartyTescoVirgin MobileVodafoneVoxi
Monthly cost
£0-£10£10-£30£30-£50£50-£80£80+
Minutes
500+1000+5000+Unlimited
Data
1GB+2GB+5GB+10GB+50GB+Unlimited
Contract length
PAYG11-1212+
Gifts & extras
CashbackGift VoucherFree Gift
Advanced SIM Only Unlimited DataUnltddataUnltdminutesUnltdtexts12month contractZeroupfront cost£16.00per monthGet DealThree
Smarty UnlimitedUnltddataUnltdminutesUnltdtexts1month contractZeroupfront cost£16.00per monthGet DealSmarty
Basics SIM Only4GBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£6.00per monthGet DealVodafone
Big Bundle 14GBO2 Travel14GBdataUnltdminutesUnltdtextsNo contractZeroupfront cost£10.00per monthGet DealO2
Unlimited Calls and Texts 2GB2GBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£6.00per monthGet DealSky Mobile
5G SIM Only UnlimitedFree EU RoamingUnltddataUnltdminutesUnltdtexts12month contractZeroupfront cost£16.00per monthGet DealiD Mobile
Basics SIM Only30GBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£10.00per monthGet DealVodafone
5G SIM plan 24m 160GB160GBdataUnltdminutesUnltdtexts24month contractZeroupfront cost£20.00per monthGet DealEE
Smarty 4GB4GBdataUnltdminutesUnltdtexts1month contractZeroupfront cost£5.00per monthGet DealSmarty
Pay MonthlyUnltddataUnltdminutesUnltdtexts24month contractZeroupfront cost£17.50per monthGet DealTesco Mobile
Unlimited SIM Only LiteUnltddataUnltdminutesUnltdtexts24month contractZeroupfront cost£23.00per monthGet DealVodafone
Advanced SIM Only 100GB100GBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£12.00per monthGet DealThree
5G SIM Plan 12m 250MB250MBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£13.00per monthGet DealEE
10GBdataUnltdminutesUnltdtexts12month contractZeroupfront cost£10.00per monthGet DealEE
SIM Only UnlimitedFree EU RoamingUnltddataUnltdminutesUnltdtexts24month contractZeroupfront cost£25.00per monthGet DealVirgin Mobile
Show me more deals
{"comparison-market":"enhanced-telco","config-name":"generic","numberOfDealsToDisplay":15,"sort":"most_popular","always-set-filters":{"deal-type-section":["New Consumer"],"reseller-section":["exclude-all"]},"exclude-filters":[],"filter-section-order":[],"excluded-filter-sections":[],"page-attributes":[],"filter-sections":[{"id":"product-type-section","filter_group":[{"id":"product-type-group-1","mutex":true,"filter":[{"id":"phone-with-sim","label":"Phones with SIM","sets_attribute":["handset","sim"],"selected":false},{"id":"phone-sim-free","label":"SIM free phones","sets_attribute":["handset"],"selected":false},{"id":"sim-only","label":"SIM only","sets_attribute":["sim"],"selected":true},{"id":"data-sim","label":"Data SIMs","sets_attribute":["data-sim"],"selected":false}],"default_id":"phone-with-sim","disallow_manual_deselect":true}],"section_heading":""},{"id":"data-standard-section","filter_group":[{"id":"product-type-group-1","mutex":true,"filter":[{"id":"any","label":"Any"},{"id":"5g","label":"5G"}],"default_id":"any","disallow_manual_deselect":true}],"section_heading":"Data speed"},{"id":"network-section","filter_group":[{"id":"network-group-1","filter":[{"id":"Three","label":"3"},{"id":"BT","label":"BT"},{"id":"EE","label":"EE"},{"id":"giffgaff","label":"giffgaff"},{"id":"iD","label":"iD"},{"id":"O2","label":"O2"},{"id":"Plusnet","label":"Plusnet"},{"id":"Sky Mobile","label":"Sky"},{"id":"Smarty","label":"Smarty"},{"id":"Tesco Mobile","label":"Tesco"},{"id":"Virgin Mobile","label":"Virgin Mobile"},{"id":"Vodafone","label":"Vodafone"},{"id":"Voxi","label":"Voxi"}]}],"is_attribute_of":["sim","data-sim"],"section_heading":"Network"},{"id":"monthly-cost-section","filter_group":[{"id":"monthly-cost-group-1","mutex":true,"filter":[{"id":"10","label":"u00a30-u00a310"},{"id":"30","label":"u00a310-u00a330"},{"id":"50","label":"u00a330-u00a350"},{"id":"80","label":"u00a350-u00a380"},{"id":"over80","label":"u00a380+"}]}],"is_attribute_of":["sim","data-sim"],"section_heading":"Monthly cost"},{"id":"talk-time-section","filter_group":[{"id":"talk-time-group-1","mutex":true,"filter":[{"id":"500","label":"500+"},{"id":"1000","label":"1000+"},{"id":"5000","label":"5000+"},{"id":"UNLIMITED","label":"Unlimited"}]}],"is_attribute_of":["sim"],"section_heading":"Minutes"},{"id":"data-section","filter_group":[{"id":"data-group-1","mutex":true,"filter":[{"id":"1000","label":"1GB+"},{"id":"2000","label":"2GB+"},{"id":"5000","label":"5GB+"},{"id":"10000","label":"10GB+"},{"id":"50000","label":"50GB+"},{"id":"UNLIMITED","label":"Unlimited"}]}],"is_attribute_of":["sim","data-sim"],"section_heading":"Data"},{"id":"contract-length-section","filter_group":[{"id":"contract-length-group-1","filter":[{"id":"payg","label":"PAYG"},{"id":"1","label":"1"},{"id":"12","label":"1-12"},{"id":"over12","label":"12+"}]}],"is_attribute_of":["sim","data-sim"],"section_heading":"Contract length"},{"id":"gift-section","filter_group":[{"id":"gift-group-1","filter":[{"id":"Cashback","label":"Cashback"},{"id":"Gift Voucher","label":"Gift Voucher"},{"id":"Free Gift","label":"Free Gift"}]}],"section_heading":"Gifts & extras"}],"hide-filter-pane":false}
Best SIM only deal

Best SIM only deal May 2022

Three Advanced SIM Only Plan

Our experts have chosen Three's unlimited Advanced SIM only plan – a perfect balance of price and freedom with unlimited usage.

Price £16 per month
Data usage Unlimited
Minutes Unlimited
Texts Unlimited
Features 5G ready, Personal Hotspot, Go Roam
Upfront cost £0
Total contract cost £192 (over 12 months)
Contract length 12 months
Get this deal

Compare SIM only providers

If you know which provider you prefer, we've got a SIM deal for you.

See all SIM providers