Three SIM Only Deals

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  • Three SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 4 months(from 2 December 2026)
    £6.00
    Monthly cost for 12 months(from 2 April 2027)
    £7.80£1.80 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £9.60£1.80 price rise
    Average
    £8.10
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £146.40
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £6.10
    *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 4 months £6.00/month
    5-16 months £7.80/month
    17-24 months £9.60/month
    Average £8.10/month
    Contract length 24 months
    Cashback £48.00 (redemption)
    Total cost of ownership £146.40
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 4 months(from 2 December 2026)
    £7.00
    Monthly cost for 8 months(from 2 April 2027)
    £8.90£1.90 price rise
    Average
    £8.27
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £99.20
    Effective monthly cost*
    £8.27
    *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 4 months £7.00/month
    5-12 months £8.90/month
    Average £8.27/month
    Contract length 12 months
    Total cost of ownership £99.20
    • 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 4 months(from 2 December 2026)
    £8.00
    Monthly cost for 8 months(from 2 April 2027)
    £9.90£1.90 price rise
    Average
    £9.27
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £111.20
    Effective monthly cost*
    £9.27
    *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 4 months £8.00/month
    5-12 months £9.90/month
    Average £9.27/month
    Contract length 12 months
    Total cost of ownership £111.20
    • 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 4 months(from 2 December 2026)
    £8.00
    Monthly cost for 12 months(from 2 April 2027)
    £9.90£1.90 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £11.80£1.90 price rise
    Average
    £10.22
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £161.20
    Cashback
    £84.00 (redemption)
    Effective monthly cost*
    £6.72
    *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 4 months £8.00/month
    5-16 months £9.90/month
    17-24 months £11.80/month
    Average £10.22/month
    Contract length 24 months
    Cashback £84.00 (redemption)
    Total cost of ownership £161.20
    • 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 4 months(from 2 December 2026)
    £8.00
    Monthly cost for 12 months(from 2 April 2027)
    £9.90£1.90 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £11.80£1.90 price rise
    Average
    £10.22
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £245.20
    Effective monthly cost*
    £10.22
    *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 4 months £8.00/month
    5-16 months £9.90/month
    17-24 months £11.80/month
    Average £10.22/month
    Contract length 24 months
    Total cost of ownership £245.20
    • 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 4 months(from 2 December 2026)
    £9.00
    Monthly cost for 8 months(from 2 April 2027)
    £10.90£1.90 price rise
    Average
    £10.27
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £75.20
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £6.27
    *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 4 months £9.00/month
    5-12 months £10.90/month
    Average £10.27/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £75.20
    • 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 4 months(from 2 December 2026)
    £10.00
    Monthly cost for 8 months(from 2 April 2027)
    £11.90£1.90 price rise
    Average
    £11.27
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £87.20
    Cashback
    £48.00 (redemption)
    Effective monthly cost*
    £7.27
    *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 4 months £10.00/month
    5-12 months £11.90/month
    Average £11.27/month
    Contract length 12 months
    Cashback £48.00 (redemption)
    Total cost of ownership £87.20
    • 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 4 months(from 2 December 2026)
    £10.00
    Monthly cost for 8 months(from 2 April 2027)
    £11.90£1.90 price rise
    Average
    £11.27
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £135.20
    Effective monthly cost*
    £11.27
    *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 4 months £10.00/month
    5-12 months £11.90/month
    Average £11.27/month
    Contract length 12 months
    Total cost of ownership £135.20
    • 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 4 months(from 2 December 2026)
    £10.00
    Monthly cost for 8 months(from 2 April 2027)
    £12.30£2.30 price rise
    Average
    £11.53
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £138.40
    Effective monthly cost*
    £11.53
    *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
    100GB data
    First 4 months £10.00/month
    5-12 months £12.30/month
    Average £11.53/month
    Contract length 12 months
    Total cost of ownership £138.40
    • 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 4 months(from 2 December 2026)
    £10.00
    Monthly cost for 12 months(from 2 April 2027)
    £11.90£1.90 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £13.80£1.90 price rise
    Average
    £12.22
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £197.20
    Cashback
    £96.00 (redemption)
    Effective monthly cost*
    £8.22
    *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 4 months £10.00/month
    5-16 months £11.90/month
    17-24 months £13.80/month
    Average £12.22/month
    Contract length 24 months
    Cashback £96.00 (redemption)
    Total cost of ownership £197.20
    • 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 4 months(from 2 December 2026)
    £12.00
    Monthly cost for 8 months(from 2 April 2027)
    £14.30£2.30 price rise
    Average
    £13.53
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £162.40
    Effective monthly cost*
    £13.53
    *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 4 months £12.00/month
    5-12 months £14.30/month
    Average £13.53/month
    Contract length 12 months
    Total cost of ownership £162.40
    • 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 4 months(from 2 December 2026)
    £12.00
    Monthly cost for 12 months(from 2 April 2027)
    £14.30£2.30 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £16.60£2.30 price rise
    Average
    £14.68
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £352.40
    Effective monthly cost*
    £14.68
    *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 4 months £12.00/month
    5-16 months £14.30/month
    17-24 months £16.60/month
    Average £14.68/month
    Contract length 24 months
    Total cost of ownership £352.40
    • 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 4 months(from 2 December 2026)
    £14.00
    Monthly cost for 8 months(from 2 April 2027)
    £16.30£2.30 price rise
    Average
    £15.53
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £186.40
    Effective monthly cost*
    £15.53
    *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
    250GB data
    First 4 months £14.00/month
    5-12 months £16.30/month
    Average £15.53/month
    Contract length 12 months
    Total cost of ownership £186.40
    • 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 4 months(from 2 December 2026)
    £14.00
    Monthly cost for 12 months(from 2 April 2027)
    £15.90£1.90 price rise
    Monthly cost for 8 months(from 2 April 2028)
    £17.80£1.90 price rise
    Average
    £16.22
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £293.20
    Cashback
    £96.00 (redemption)
    Effective monthly cost*
    £12.22
    *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 4 months £14.00/month
    5-16 months £15.90/month
    17-24 months £17.80/month
    Average £16.22/month
    Contract length 24 months
    Cashback £96.00 (redemption)
    Total cost of ownership £293.20
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by Fonehouse
  • Three SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 4 months(from 2 December 2026)
    £15.00
    Monthly cost for 8 months(from 2 April 2027)
    £17.30£2.30 price rise
    Average
    £16.53
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £90.40
    Cashback
    £108.00 (redemption)
    Effective monthly cost*
    £7.53
    *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
    First 4 months £15.00/month
    5-12 months £17.30/month
    Average £16.53/month
    Contract length 12 months
    Cashback £108.00 (redemption)
    Total cost of ownership £90.40
    • 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 19 deals
Deals last updated: 37 minutes ago
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