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

1pMobile (EE network)
5GB prepay/PAYG SIM
Pay as you go · Rolling / 30 days
Data5GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G
30-day bundle, no contract
£5.00/mo
No long-term commitment
See deal at 1pMobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G 25GB (1 Month contract) with Unlim…
SIM only · Rolling / 30 days
Data25GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£6.00/mo
No long-term commitment
See deal at iD Mobile
O2
O2 SIM Only on Refresh Flex - Smartwatch 1GB (1 Month contr…
SIM only · Rolling / 30 days
Data1GB
MinutesUnlimited
TextsUnlimited
Term1 mth
O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
£7.00/mo
No long-term commitment
See deal at O2
iD Mobile (Three network)
iD Mobile SIM Only on 5G 50GB (1 Month contract) with Unlim…
SIM only · Rolling / 30 days
Data50GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£7.00/mo
No long-term commitment
See deal at iD Mobile
1pMobile (EE network)
10GB prepay/PAYG SIM
Pay as you go · Rolling / 30 days
Data10GB
MinutesUnlimited
TextsUnlimited
Term1 mth
30-day bundle, no contract
£8.00/mo
No long-term commitment
See deal at 1pMobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G 80GB (1 Month contract) with Unlim…
SIM only · Rolling / 30 days
Data80GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£8.00/mo
No long-term commitment
See deal at iD Mobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G 108GB (1 Month contract) with Unli…
SIM only · Rolling / 30 days
Data108GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£9.00/mo
No long-term commitment
See deal at iD Mobile
Mozillion (EE network)
Mozillion SIM only
SIM only · Rolling / 30 days
Data3GB
MinutesUnlimited
TextsUnlimited
Term1 mth
£4.95/mo
No long-term commitment
See deal at Mozillion
1pMobile (EE network)
50GB prepay/PAYG SIM
Pay as you go · Rolling / 30 days
Data50GB
MinutesUnlimited
TextsUnlimited
Term1 mth
30-day bundle, no contract
£10.00/mo
No long-term commitment
See deal at 1pMobile
VOXI (Vodafone network)
VOXI SIM Only Deals
SIM only · Rolling / 30 days
via Fonehouse
Data60GB
MinutesUnlimited
TextsUnlimited
Term1 mth
£10.00/mo
No long-term commitment
See deal at Fonehouse
iD Mobile (Three network)
iD Mobile SIM Only on 5G 110GB (1 Month contract) with Unli…
SIM only · Rolling / 30 days
Data110GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£10.00/mo
No long-term commitment
See deal at iD Mobile
Chattr (O2 network)
Chattr 6GB
SIM only · Rolling / 30 days
Data6GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G No credit check No price hikes EU roaming O2 Priority
No contract — cancel when you want
£10.00/mo
No long-term commitment
See deal at Chattr
Lebara (Vodafone network)
SIM Only 5GB
SIM only · Rolling / 30 days
Data5GB
Minutes1,000
Texts1,000
Term1 mth
5G
£5.00/mo
No long-term commitment
See deal at Lebara
Chattr (O2 network)
Chattr 25GB
SIM only · Rolling / 30 days
Data25GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G No credit check No price hikes EU roaming O2 Priority
No contract — cancel when you want
£11.00/mo
No long-term commitment
See deal at Chattr
VOXI (Vodafone network)
VOXI SIM Only Deals
SIM only · Rolling / 30 days
via Fonehouse
Data25GB
MinutesUnlimited
TextsUnlimited
Term1 mth
£12.00/mo
No long-term commitment
See deal at Fonehouse
iD Mobile (Three network)
iD Mobile SIM Only on 5G 200GB (1 Month contract) with Unli…
SIM only · Rolling / 30 days
Data200GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£12.00/mo
No long-term commitment
See deal at iD Mobile
Chattr (O2 network)
Chattr 50GB
SIM only · Rolling / 30 days
Data50GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G No credit check No price hikes EU roaming O2 Priority
No contract — cancel when you want
£12.00/mo
No long-term commitment
See deal at Chattr
1pMobile (EE network)
75GB prepay/PAYG SIM
Pay as you go · Rolling / 30 days
Data75GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G
30-day bundle, no contract
£12.50/mo
No long-term commitment
See deal at 1pMobile
iD Mobile (Three network)
iD Mobile SIM Only on 5G 250GB (1 Month contract) with Unli…
SIM only · Rolling / 30 days
Data250GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
£14.00/mo
No long-term commitment
See deal at iD Mobile
Lebara (Vodafone network)
SIM Only 15GB
SIM only · Rolling / 30 days
Data15GB
MinutesUnlimited
TextsUnlimited
Term1 mth
5G
£7.00/mo
No long-term commitment
See deal at Lebara