O2 SIM Only Deals

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  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £7.00
    Monthly cost for 1 month(from 17 April 2027)
    £9.50£2.50 price rise
    Average
    £7.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £86.50
    Effective monthly cost*
    £7.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    10GB data
    First 11 months £7.00/month
    12-12 months £9.50/month
    Average £7.21/month
    Contract length 12 months
    Total cost of ownership £86.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £8.00
    Monthly cost for 1 month(from 17 April 2027)
    £10.50£2.50 price rise
    Average
    £8.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £98.50
    Effective monthly cost*
    £8.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    40GB data
    First 11 months £8.00/month
    12-12 months £10.50/month
    Average £8.21/month
    Contract length 12 months
    Total cost of ownership £98.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £9.00
    Monthly cost for 1 month(from 17 April 2027)
    £11.50£2.50 price rise
    Average
    £9.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £110.50
    Effective monthly cost*
    £9.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    50GB data
    First 11 months £9.00/month
    12-12 months £11.50/month
    Average £9.21/month
    Contract length 12 months
    Total cost of ownership £110.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £10.00
    Monthly cost for 1 month(from 17 April 2027)
    £12.50£2.50 price rise
    Average
    £10.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £122.50
    Effective monthly cost*
    £10.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    75GB data
    First 11 months £10.00/month
    12-12 months £12.50/month
    Average £10.21/month
    Contract length 12 months
    Total cost of ownership £122.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 30 day rolling
    More Close
    Your monthly cost
    Monthly cost for 1 month(no price rises)
    £10.00
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    10GB data
    Monthly cost £10.00/month
    Contract length No contract
    • No price rises
    • Unlimited minutes and texts
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £12.00
    Monthly cost for 1 month(from 17 April 2027)
    £14.50£2.50 price rise
    Average
    £12.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £146.50
    Effective monthly cost*
    £12.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    100GB data
    First 11 months £12.00/month
    12-12 months £14.50/month
    Average £12.21/month
    Contract length 12 months
    Total cost of ownership £146.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £14.00
    Monthly cost for 1 month(from 17 April 2027)
    £16.50£2.50 price rise
    Average
    £14.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £170.50
    Effective monthly cost*
    £14.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    150GB data
    First 11 months £14.00/month
    12-12 months £16.50/month
    Average £14.21/month
    Contract length 12 months
    Total cost of ownership £170.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £15.00
    Monthly cost for 1 month(from 17 April 2027)
    £17.50£2.50 price rise
    Average
    £15.21
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £182.50
    Effective monthly cost*
    £15.21
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    250GB data
    First 11 months £15.00/month
    12-12 months £17.50/month
    Average £15.21/month
    Contract length 12 months
    Total cost of ownership £182.50
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 30 day rolling
    More Close
    Your monthly cost
    Monthly cost for 1 month(no price rises)
    £15.00
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    30GB data
    Monthly cost £15.00/month
    Contract length No contract
    • No price rises
    • Unlimited minutes and texts
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £18.00
    Monthly cost for 12 months(from 17 April 2027)
    £20.50£2.50 price rise
    Monthly cost for 1 month(from 17 April 2028)
    £23.00£2.50 price rise
    Average
    £19.46
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £467.00
    Effective monthly cost*
    £19.46
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    3GB data
    First 11 months £18.00/month
    12-23 months £20.50/month
    24-24 months £23.00/month
    Average £19.46/month
    Contract length 24 months
    Total cost of ownership £467.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 30 day rolling
    More Close
    Your monthly cost
    Monthly cost for 1 month(no price rises)
    £20.00
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    50GB data
    Monthly cost £20.00/month
    Contract length No contract
    • No price rises
    • Unlimited minutes and texts
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £21.00
    Monthly cost for 12 months(from 17 April 2027)
    £23.50£2.50 price rise
    Monthly cost for 1 month(from 17 April 2028)
    £26.00£2.50 price rise
    Average
    £22.46
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £539.00
    Effective monthly cost*
    £22.46
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    20GB data
    First 11 months £21.00/month
    12-23 months £23.50/month
    24-24 months £26.00/month
    Average £22.46/month
    Contract length 24 months
    Total cost of ownership £539.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £24.00
    Monthly cost for 12 months(from 17 April 2027)
    £26.50£2.50 price rise
    Monthly cost for 1 month(from 17 April 2028)
    £29.00£2.50 price rise
    Average
    £25.46
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £611.00
    Effective monthly cost*
    £25.46
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    50GB data
    First 11 months £24.00/month
    12-23 months £26.50/month
    24-24 months £29.00/month
    Average £25.46/month
    Contract length 24 months
    Total cost of ownership £611.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 11 months(from 17 May 2026)
    £25.00
    Monthly cost for 12 months(from 17 April 2027)
    £27.50£2.50 price rise
    Monthly cost for 1 month(from 17 April 2028)
    £30.00£2.50 price rise
    Average
    £26.46
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £635.00
    Effective monthly cost*
    £26.46
    *Effective monthly cost is the total cost of ownership divided by the total contract length
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    100GB data
    First 11 months £25.00/month
    12-23 months £27.50/month
    24-24 months £30.00/month
    Average £26.46/month
    Contract length 24 months
    Total cost of ownership £635.00
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 30 day rolling
    More Close
    Your monthly cost
    Monthly cost for 1 month(no price rises)
    £30.00
    O2 benefits
    • Upgrade anytime with O2 Refresh
    • Rewards with O2 Priority
    • 5G with all plans
    • Free EU roaming up to 25GB
    • 99%+ UK coverage
    • Wi-Fi and VoLTE calling
    O2 complaints O2 received an average of 3 complaints per 100,000 customers between January 2025 and March 2025 in Ofcom's pay monthly mobile complaints
    O2 more information
    Close
    O2
    150GB data
    Monthly cost £30.00/month
    Contract length No contract
    • No price rises
    • Unlimited minutes and texts
    • 5G speeds
    See deal
    Sold by O2
You've viewed 15 of 18 deals
Deals last updated: 3 hours 31 minutes ago
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