O2 SIM Only Deals

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  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 22 November 2025)
    £6.99
    Monthly cost for 7 months(from 22 April 2026)
    £8.79£1.80 price rise
    Average
    £8.04
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £96.48
    Effective monthly cost*
    £8.04
    *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
    12GB data
    First 5 months £6.99/month
    6-12 months £8.79/month
    Average of months £8.04/month
    Contract length 12 months
    Total cost of ownership £96.48
    • 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 5 months(from 22 November 2025)
    £8.00
    Monthly cost for 7 months(from 22 April 2026)
    £9.80£1.80 price rise
    Average
    £9.05
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £108.60
    Effective monthly cost*
    £9.05
    *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
    32GB data
    First 5 months £8.00/month
    6-12 months £9.80/month
    Average of months £9.05/month
    Contract length 12 months
    Total cost of ownership £108.60
    • 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 5 months(from 22 November 2025)
    £8.50
    Monthly cost for 7 months(from 22 April 2026)
    £10.30£1.80 price rise
    Average
    £9.55
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £114.60
    Effective monthly cost*
    £9.55
    *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 5 months £8.50/month
    6-12 months £10.30/month
    Average of months £9.55/month
    Contract length 12 months
    Total cost of ownership £114.60
    • 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 5 months(from 22 November 2025)
    £9.50
    Monthly cost for 7 months(from 22 April 2026)
    £11.30£1.80 price rise
    Average
    £10.55
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £126.60
    Effective monthly cost*
    £10.55
    *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
    60GB data
    First 5 months £9.50/month
    6-12 months £11.30/month
    Average of months £10.55/month
    Contract length 12 months
    Total cost of ownership £126.60
    • 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 5 months(from 22 November 2025)
    £10.00
    Monthly cost for 7 months(from 22 April 2026)
    £11.80£1.80 price rise
    Average
    £11.05
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £132.60
    Effective monthly cost*
    £11.05
    *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
    80GB data
    First 5 months £10.00/month
    6-12 months £11.80/month
    Average of months £11.05/month
    Contract length 12 months
    Total cost of ownership £132.60
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    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
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 22 November 2025)
    £12.00
    Monthly cost for 7 months(from 22 April 2026)
    £13.80£1.80 price rise
    Average
    £13.05
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £156.60
    Effective monthly cost*
    £13.05
    *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 5 months £12.00/month
    6-12 months £13.80/month
    Average of months £13.05/month
    Contract length 12 months
    Total cost of ownership £156.60
    • 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 5 months(from 22 November 2025)
    £15.00
    Monthly cost for 7 months(from 22 April 2026)
    £16.80£1.80 price rise
    Average
    £16.05
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £192.60
    Effective monthly cost*
    £16.05
    *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 5 months £15.00/month
    6-12 months £16.80/month
    Average of months £16.05/month
    Contract length 12 months
    Total cost of ownership £192.60
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    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
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    O2 SIM - 12 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 22 November 2025)
    £16.00
    Monthly cost for 7 months(from 22 April 2026)
    £17.80£1.80 price rise
    Average
    £17.05
    Your cost breakdown
    Total contract length
    12 months
    Total cost of contract
    £204.60
    Effective monthly cost*
    £17.05
    *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
    300GB data
    First 5 months £16.00/month
    6-12 months £17.80/month
    Average of months £17.05/month
    Contract length 12 months
    Total cost of ownership £204.60
    • 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 5 months(from 22 November 2025)
    £16.00
    Monthly cost for 12 months(from 22 April 2026)
    £17.80£1.80 price rise
    Monthly cost for 7 months(from 22 April 2027)
    £19.60£1.80 price rise
    Average
    £17.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £430.80
    Effective monthly cost*
    £17.95
    *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 5 months £16.00/month
    6-17 months £17.80/month
    18-24 months £19.60/month
    Average of months £17.95/month
    Contract length 24 months
    Total cost of ownership £430.80
    • 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 5 months(from 22 November 2025)
    £17.99
    Monthly cost for 12 months(from 22 April 2026)
    £19.79£1.80 price rise
    Monthly cost for 7 months(from 22 April 2027)
    £21.59£1.80 price rise
    Average
    £19.94
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £478.56
    Effective monthly cost*
    £19.94
    *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 5 months £17.99/month
    6-17 months £19.79/month
    18-24 months £21.59/month
    Average of months £19.94/month
    Contract length 24 months
    Total cost of ownership £478.56
    • 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 5 months(from 22 November 2025)
    £20.00
    Monthly cost for 12 months(from 22 April 2026)
    £21.80£1.80 price rise
    Monthly cost for 7 months(from 22 April 2027)
    £23.60£1.80 price rise
    Average
    £21.95
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £526.80
    Effective monthly cost*
    £21.95
    *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 5 months £20.00/month
    6-17 months £21.80/month
    18-24 months £23.60/month
    Average of months £21.95/month
    Contract length 24 months
    Total cost of ownership £526.80
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • Exclusivei
    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
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
  • O2 SIM - 24 month contract
    More Close
    Your monthly cost
    Monthly cost for 5 months(from 22 November 2025)
    £21.99
    Monthly cost for 12 months(from 22 April 2026)
    £23.79£1.80 price rise
    Monthly cost for 7 months(from 22 April 2027)
    £25.59£1.80 price rise
    Average
    £23.94
    Your cost breakdown
    Total contract length
    24 months
    Total cost of contract
    £574.56
    Effective monthly cost*
    £23.94
    *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 5 months £21.99/month
    6-17 months £23.79/month
    18-24 months £25.59/month
    Average of months £23.94/month
    Contract length 24 months
    Total cost of ownership £574.56
    • Unlimited minutes and texts
    • eSIM available
    • 5G speeds
    See deal
    Sold by O2
You've viewed 15 of 19 deals
Deals last updated: 8 hours 23 minutes ago
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