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Best Three SIM Only Deals

Keep your phone bills affordable. Choose a SIM only deal to keep your phone and just pay for the tariff. Select a huge range of data packages and benefits from Three.

Contract

Three SIM Card 5G

  • Unlimited Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£18 a month

+ £144 cashback by
redemption

Three

Contract
TOP PICK

Three SIM Card 5G

  • 8GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£8 a month

+ £30 cashback

Three

Contract
TOP PICK

Three SIM Card 5G

  • 8GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£8 a month

+ £60 cashback by
redemption

Three

Contract
TOP PICK

Three SIM Card

  • 100GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£15 a month

+ £120 cashback by
redemption

Three

Contract

Three SIM Card 5G

  • Unlimited Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£18 a month

+ £20 cashback

Three

Contract

Three SIM Card

  • 100GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£15 a month

+ £20 cashback

Three

Contract

Three SIM Card 5G

  • 12GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£10 a month

+ £10 cashback

Three

Contract

Three SIM Card 5G

  • 12GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£10 a month

+ £72 cashback by
redemption

Three

Contract

Three SIM Card 5G

  • 30GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£20 a month

+ £60 cashback by
redemption

Three


All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment, unless on the EE network. Promo codes cannot be used in conjunction with any other offer. Full Legals.

RPI/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to Three's Fixed Annual Price Change (Three), the Retail Price Index (O2, Vodafone) or Consumer Price Index (EE) rate of inflation. Your bill will be adjusted in March (EE) or April (O2, Three, Vodafone) by 4.5% (Three), or the rate announced in January (EE), February (O2) and March (Vodafone) that year (plus 3.9% on EE).