Three SIM Only Deals

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  • Exclusivei
    Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 5 November 2025)
    £5.00
    Monthly cost for 12 months(from 5 April 2026)
    £6.00£1.00 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £7.00£1.00 price rise
    Average
    £6.08
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £146.00
    Effective monthly cost*
    £6.08
    *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
    3GB data
    First 5 months £5.00/month
    6-17 months £6.00/month
    18-24 months £7.00/month
    Average of months £6.08/month
    Contract length 24 months
    Total cost of ownership £146.00
    • 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 5 months(from 5 November 2025)
    £6.00
    Monthly cost for 12 months(from 5 April 2026)
    £7.00£1.00 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £8.00£1.00 price rise
    Average
    £7.08
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £122.00
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £5.08
    *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 5 months £6.00/month
    6-17 months £7.00/month
    18-24 months £8.00/month
    Average of months £7.08/month
    Contract length 24 months
    Cashback £48.00 (redemption)
    Total cost of ownership £122.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Exclusivei
    Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 5 November 2025)
    £7.00
    Monthly cost for 7 months(from 5 April 2026)
    £8.25£1.25 price rise
    Average
    £7.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £92.75
    Effective monthly cost*
    £7.73
    *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
    25GB data
    First 5 months £7.00/month
    6-12 months £8.25/month
    Average of months £7.73/month
    Contract length 12 months
    Total cost of ownership £92.75
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Exclusivei
    Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 5 November 2025)
    £7.00
    Monthly cost for 12 months(from 5 April 2026)
    £8.25£1.25 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £9.50£1.25 price rise
    Average
    £8.35
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £200.50
    Effective monthly cost*
    £8.35
    *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
    8GB data
    First 5 months £7.00/month
    6-17 months £8.25/month
    18-24 months £9.50/month
    Average of months £8.35/month
    Contract length 24 months
    Total cost of ownership £200.50
    • 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 5 months(from 5 November 2025)
    £8.00
    Monthly cost for 7 months(from 5 April 2026)
    £9.25£1.25 price rise
    Average
    £8.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £104.75
    Effective monthly cost*
    £8.73
    *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
    40GB data
    First 5 months £8.00/month
    6-12 months £9.25/month
    Average of months £8.73/month
    Contract length 12 months
    Total cost of ownership £104.75
    • 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 5 months(from 5 November 2025)
    £8.00
    Monthly cost for 12 months(from 5 April 2026)
    £9.25£1.25 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £10.50£1.25 price rise
    Average
    £9.35
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £140.50
    Cashback
    £84.00 (redemption)
    Effective monthly cost*
    £5.85
    *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 5 months £8.00/month
    6-17 months £9.25/month
    18-24 months £10.50/month
    Average of months £9.35/month
    Contract length 24 months
    Cashback £84.00 (redemption)
    Total cost of ownership £140.50
    • 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 5 months(from 5 November 2025)
    £8.00
    Monthly cost for 12 months(from 5 April 2026)
    £9.25£1.25 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £10.50£1.25 price rise
    Average
    £9.35
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £224.50
    Effective monthly cost*
    £9.35
    *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 5 months £8.00/month
    6-17 months £9.25/month
    18-24 months £10.50/month
    Average of months £9.35/month
    Contract length 24 months
    Total cost of ownership £224.50
    • 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 5 months(from 5 November 2025)
    £9.00
    Monthly cost for 7 months(from 5 April 2026)
    £10.25£1.25 price rise
    Average
    £9.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £68.75
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £5.73
    *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 5 months £9.00/month
    6-12 months £10.25/month
    Average of months £9.73/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £68.75
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • O2
      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 5 months(from 5 November 2025)
    £9.00
    Monthly cost for 7 months(from 5 April 2026)
    £10.25£1.25 price rise
    Average
    £9.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £116.75
    Effective monthly cost*
    £9.73
    *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 5 months £9.00/month
    6-12 months £10.25/month
    Average of months £9.73/month
    Contract length 12 months
    Total cost of ownership £116.75
    • 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 5 months(from 5 November 2025)
    £10.00
    Monthly cost for 7 months(from 5 April 2026)
    £11.25£1.25 price rise
    Average
    £10.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £80.75
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £6.73
    *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
    First 5 months £10.00/month
    6-12 months £11.25/month
    Average of months £10.73/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £80.75
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Choose a retailer
    • O2
      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 5 months(from 5 November 2025)
    £10.00
    Monthly cost for 7 months(from 5 April 2026)
    £11.25£1.25 price rise
    Average
    £10.73
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £128.75
    Effective monthly cost*
    £10.73
    *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
    First 5 months £10.00/month
    6-12 months £11.25/month
    Average of months £10.73/month
    Contract length 12 months
    Total cost of ownership £128.75
    • 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 5 months(from 5 November 2025)
    £10.00
    Monthly cost for 12 months(from 5 April 2026)
    £11.25£1.25 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £12.50£1.25 price rise
    Average
    £11.35
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £176.50
    Cashback
    £96.00 (redemption)
    Effective monthly cost*
    £7.35
    *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 5 months £10.00/month
    6-17 months £11.25/month
    18-24 months £12.50/month
    Average of months £11.35/month
    Contract length 24 months
    Cashback £96.00 (redemption)
    Total cost of ownership £176.50
    • 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 5 months(from 5 November 2025)
    £10.00
    Monthly cost for 12 months(from 5 April 2026)
    £11.25£1.25 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £12.50£1.25 price rise
    Average
    £11.35
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £272.50
    Effective monthly cost*
    £11.35
    *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 5 months £10.00/month
    6-17 months £11.25/month
    18-24 months £12.50/month
    Average of months £11.35/month
    Contract length 24 months
    Total cost of ownership £272.50
    • 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 5 months(from 5 November 2025)
    £12.00
    Monthly cost for 7 months(from 5 April 2026)
    £13.50£1.50 price rise
    Average
    £12.88
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £154.50
    Effective monthly cost*
    £12.88
    *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 5 months £12.00/month
    6-12 months £13.50/month
    Average of months £12.88/month
    Contract length 12 months
    Total cost of ownership £154.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
  • Exclusivei
    Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 5 November 2025)
    £12.00
    Monthly cost for 12 months(from 5 April 2026)
    £13.50£1.50 price rise
    Monthly cost for 7 months(from 5 April 2027)
    £15.00£1.50 price rise
    Average
    £13.63
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £327.00
    Effective monthly cost*
    £13.63
    *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
    160GB data
    First 5 months £12.00/month
    6-17 months £13.50/month
    18-24 months £15.00/month
    Average of months £13.63/month
    Contract length 24 months
    Total cost of ownership £327.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Three
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Deals last updated: 5 hours 24 minutes ago
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