SIM only & pay as you go

Already got a handset you are happy with? A SIM-only plan is almost always cheaper. Rolling 30-day plans and pay-as-you-go bundles let you leave whenever you like.

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30 deals match your filters. Prices last checked 20 September 2026.

Chattr (O2 network)
Freedom One
SIM only · Rolling / 30 days
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term1 mth
Unlimited data 5G No credit check No price hikes EU roaming O2 Priority
£15/mo for months 1–5, £14/mo for months 6–11, then £13/mo from month 12
£15.00/mo
No long-term commitment
See deal at Chattr
iD Mobile (Three network)
iD Mobile SIM Only on 5G Unlimited (1 Month contract) with …
SIM only · Rolling / 30 days
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term1 mth
Unlimited data 5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£15.00/mo
No long-term commitment
See deal at iD Mobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G Unlimited (12 Month contract) with…
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£16.00/mo
£192 over 12 months
See deal at iD Mobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G Unlimited (24 Month contract) with…
SIM only · 24 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data 5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£16.00/mo
£384 over 24 months
See deal at iD Mobile
Three
Three SIM Only Deals
SIM only · 12 months
via Fonehouse
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data £55 Automatic Cashback
£17.00/mo
£204 over 12 months
See deal at Fonehouse
iD Mobile (Three network)
iD Mobile SIM Only on 5G Unlimited (12 Month contract) with…
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£17.00/mo
£204 over 12 months
See deal at iD Mobile
O2
O2 SIM Only on Plus Unlimited (24 Month contract) with Unli…
SIM only · 24 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data 5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
£23.99/mo
£575.76 over 24 months
See deal at O2
O2
O2 SIM Only on Plus Unlimited (24 Month contract) with 100 …
SIM only · 24 months
DataUnlimited
MinutesUnlimited
Texts100
Term24 mths
Unlimited data 5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
£23.99/mo
£575.76 over 24 months
See deal at O2
Lebara (Vodafone network)
12 Month Plan Unlimited 1
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G
£22.50/mo
£292.50 over 12 months
See deal at Lebara
1pMobile (EE network)
Unlimited prepay/PAYG SIM
Pay as you go · Rolling / 30 days
DataUnlimited
Minutes0
TextsUnlimited
Term1 mth
Unlimited data
30-day bundle, no contract
£25.00/mo
No long-term commitment
See deal at 1pMobile
1pMobile (EE network)
Family Unlimited prepay/PAYG SIM
Pay as you go · Rolling / 30 days
DataUnlimited
Minutes0
TextsUnlimited
Term1 mth
Unlimited data
30-day bundle, no contract
£25.00/mo
No long-term commitment
See deal at 1pMobile
O2
O2 SIM Only on Ultimate Unlimited (24 Month contract) with …
SIM only · 24 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards Data Rollover
£28.99/mo
£695.76 over 24 months
See deal at O2
O2
O2 SIM Only on Ultimate Unlimited (24 Month contract) with …
SIM only · 24 months
DataUnlimited
MinutesUnlimited
Texts100
Term24 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards Data Rollover
£28.99/mo
£695.76 over 24 months
See deal at O2
Lebara (Vodafone network)
12 Month Plan Unlimited 2
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G
£27.00/mo
£351 over 12 months
See deal at Lebara
VOXI (Vodafone network)
VOXI SIM Only Deals
SIM only · Rolling / 30 days
via Fonehouse
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term1 mth
Unlimited data
£30.00/mo
No long-term commitment
See deal at Fonehouse
O2
O2 SIM Only on Classic (24 Month contract) with Unlimited m…
SIM only · 24 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data 5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
£32.00/mo
£768 over 24 months
See deal at O2
O2
O2 SIM Only on Classic Unlimited (24 Month contract) with 1…
SIM only · 24 months
DataUnlimited
MinutesUnlimited
Texts100
Term24 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
£32.00/mo
£768 over 24 months
See deal at O2
O2
O2 SIM Only on Classic (12 Month contract) with Unlimited m…
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
£35.00/mo
£420 over 12 months
See deal at O2
O2
O2 SIM Only on Classic Unlimited (12 Month contract) with 1…
SIM only · 12 months
DataUnlimited
MinutesUnlimited
Texts100
Term12 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
£35.00/mo
£420 over 12 months
See deal at O2
O2
O2 SIM Only on Plus Unlimited (12 Month contract) with Unli…
SIM only · 12 months
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
£36.99/mo
£443.88 over 12 months
See deal at O2