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24-month SIM only deals

24-month SIM only deals are a great way to save money if you don't need a new phone. We've found the best 24-month SIM only deals available on the market.

O2 24-month SIM only dealsVodafone 24-month SIM only dealsThree 24-month SIM only dealsLebara 24-month SIM only dealsSky Mobile 24-month SIM only dealsID Mobile 24-month SIM only dealsTesco Mobile 24-month SIM only dealsAsda Mobile 24-month SIM only deals
Our top pick
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Up to 100Mbps

Red SIM Only 30GB

Data
30 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £504
Price
£21per month
  • Price becomes £23.50 on 1 April 2026
  • Price becomes £26 on 1 April 2027
Maximum speed of 100Mbps
Get deal
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Up to 100Mbps
5G+

Unlimited SIM Only Plus Xtra Global Roam

Data
Unlimited
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £744
Price
£31per month
  • Price becomes £33.50 on 1 April 2026
  • Price becomes £36 on 1 April 2027
Get deal

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Up to 100Mbps

Red SIM Only 1GB

Data
1 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £360
Price
£15per month
  • Price becomes £17.50 on 1 April 2026
  • Price becomes £20 on 1 April 2027
Get deal
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Up to 100Mbps
5G+

Unlimited SIM Only Plus Xtra Global Roam + Entertainment

Data
Unlimited
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £936
Price
£39per month
  • Price becomes £41.50 on 1 April 2026
  • Price becomes £44 on 1 April 2027
Get deal
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Unlimited speed
5G+

Unlimited Max SIM Only Xtra Global Roam

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £1104
Price
£46per month
  • Price becomes £48.50 on 1 April 2026
  • Price becomes £51 on 1 April 2027
Get deal
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Up to 100Mbps
5G+

Unlimited SIM Only Plus Xtra Euro Roam + Entertainment

Data
Unlimited
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £792
Price
£33per month
  • Price becomes £35.50 on 1 April 2026
  • Price becomes £38 on 1 April 2027
Get deal
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Unlimited speed
5G+

Red SIM Only 120GB Xtra Euro Roam

Data
120 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £768
Price
£32per month
  • Price becomes £34.50 on 1 April 2026
  • Price becomes £37 on 1 April 2027
Get deal
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Unlimited speed
5G+

Red SIM Only 120GB Xtra Global Roam

Data
120 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £840
Price
£35per month
  • Price becomes £37.50 on 1 April 2026
  • Price becomes £40 on 1 April 2027
Get deal
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Unlimited speed
5G+

Red SIM Only 1GB Xtra Euro Roam

Data
1 GB
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £528
Price
£22per month
  • Price becomes £24.50 on 1 April 2026
  • Price becomes £27 on 1 April 2027
Get deal
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Unlimited speed
5G+

Unlimited Max SIM Only Xtra Euro Roam

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £1032
Price
£43per month
  • Price becomes £45.50 on 1 April 2026
  • Price becomes £48 on 1 April 2027
Get deal
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Unlimited speed
5G+

Unlimited Max SIM Only Xtra Global Roam + Entertainment

Data
Unlimited
(Unlimited speed included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £1296
Price
£54per month
  • Price becomes £56.50 on 1 April 2026
  • Price becomes £59 on 1 April 2027
Get deal

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