Three SIM Only Deals

Looking for all networks? See our SIM Only deals page Ofcom price comparison accredited
  • Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £6.00
    Monthly cost for 12 months(from 6 April 2027)
    £7.80£1.80 price rise
    Average
    £6.90
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £117.60
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £4.90
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    1GB data
    First 12 months £6.00/month
    13-24 months £7.80/month
    Average £6.90/month
    Contract length 24 months
    Cashback £48.00 (redemption)
    Total cost of ownership £117.60
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Exclusivei
    Three SIM - 12 month contract
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    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £7.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £84.00
    Effective monthly cost*
    £7.00
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    15GB data
    Monthly cost £7.00/month
    Contract length 12 months
    Total cost of ownership £84.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Exclusivei
    Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £8.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £96.00
    Effective monthly cost*
    £8.00
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    30GB data
    Monthly cost £8.00/month
    Contract length 12 months
    Total cost of ownership £96.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £8.00
    Monthly cost for 12 months(from 6 April 2027)
    £9.90£1.90 price rise
    Average
    £8.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £130.80
    Cashback
    £84.00 (redemption)
    Effective monthly cost*
    £5.45
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    8GB data
    First 12 months £8.00/month
    13-24 months £9.90/month
    Average £8.95/month
    Contract length 24 months
    Cashback £84.00 (redemption)
    Total cost of ownership £130.80
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Exclusivei
    Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £8.00
    Monthly cost for 12 months(from 6 April 2027)
    £9.90£1.90 price rise
    Average
    £8.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £214.80
    Effective monthly cost*
    £8.95
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    30GB data
    First 12 months £8.00/month
    13-24 months £9.90/month
    Average £8.95/month
    Contract length 24 months
    Total cost of ownership £214.80
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £8.00
    Monthly cost for 6 months(from 6 April 2027)
    £10.30£2.30 price rise
    Monthly cost for 6 months(from 6 October 2027)
    £18.30£8.00 price rise
    Average
    £11.15
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £267.60
    Effective monthly cost*
    £11.15
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    120GB data
    First 12 months £8.00/month
    13-18 months £10.30/month
    19-24 months £18.30/month
    Average £11.15/month
    Contract length 24 months
    Total cost of ownership £267.60
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £9.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £60.00
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £5.00
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    12GB data
    Monthly cost £9.00/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £60.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • Fonehouse
      Fonehouse Open in a new window
    • Metrofone
      Metrofone Open in a new window
    Available from 2 retailers
  • Exclusivei
    Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £9.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £108.00
    Effective monthly cost*
    £9.00
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    60GB data
    Monthly cost £9.00/month
    Contract length 12 months
    Total cost of ownership £108.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £10.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £72.00
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £6.00
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    30GB data
    Monthly cost £10.00/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £72.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • Fonehouse
      Fonehouse Open in a new window
    • Metrofone
      Metrofone Open in a new window
    Available from 2 retailers
  • Exclusivei
    Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £10.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £120.00
    Effective monthly cost*
    £10.00
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    80GB data
    Monthly cost £10.00/month
    Contract length 12 months
    Total cost of ownership £120.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £10.00
    Monthly cost for 12 months(from 6 April 2027)
    £11.90£1.90 price rise
    Average
    £10.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £166.80
    Cashback
    £96.00 (redemption)
    Effective monthly cost*
    £6.95
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    12GB data
    First 12 months £10.00/month
    13-24 months £11.90/month
    Average £10.95/month
    Contract length 24 months
    Cashback £96.00 (redemption)
    Total cost of ownership £166.80
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Exclusivei
    Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(from 6 April 2026)
    £10.00
    Monthly cost for 12 months(from 6 April 2027)
    £11.90£1.90 price rise
    Average
    £10.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £262.80
    Effective monthly cost*
    £10.95
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    60GB data
    First 12 months £10.00/month
    13-24 months £11.90/month
    Average £10.95/month
    Contract length 24 months
    Total cost of ownership £262.80
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Exclusivei
    Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £12.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £144.00
    Effective monthly cost*
    £12.00
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    120GB data
    Monthly cost £12.00/month
    Contract length 12 months
    Total cost of ownership £144.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £15.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £72.00
    Cashback
    £108.00 (redemption)
    Effective monthly cost*
    £6.00
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    100GB data
    Monthly cost £15.00/month
    Contract length 12 months
    Cashback £108.00 (redemption)
    Total cost of ownership £72.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • Fonehouse
      Fonehouse Open in a new window
    • Metrofone
      Metrofone Open in a new window
    Available from 2 retailers
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 12 months(no price rises)
    £16.00
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £120.00
    Cashback
    £72.00 (redemption)
    Effective monthly cost*
    £10.00
    *Effective monthly cost is the total cost of ownership divided by the total contract lengthTotal cost of ownership takes into account any cashback offers
    Three benefits
    • 5G with all plans
    • Also uses Vodafone's network
    • Wi-Fi and VoLTE calling
    • Three+ Rewards App
    • 99%+ UK coverage
    Three complaints Three received an average of 2 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    Three more information
    Close
    Three
    250GB data
    Monthly cost £16.00/month
    Contract length 12 months
    Cashback £72.00 (redemption)
    Total cost of ownership £120.00
    • No price rises
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • Fonehouse
      Fonehouse Open in a new window
    • Metrofone
      Metrofone Open in a new window
    Available from 2 retailers
You've viewed 15 of 22 deals
Deals last updated: 3 hours 36 minutes ago
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