1 month SIM only deals
Rolling plans with no lock-in: change or leave with a month's notice. Data, price and network on every plan below.
Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.
Rolling one-month plans right now
121 plans, £2.90 to £47 a month. 121 rolling one-month. None state a mid-contract rise.
| Network | Data | A month | Contract | Sold by | Rise |
|---|---|---|---|---|---|
| Spusu | 1GB · 5G | £2.90 | Rolling | Spusu | No mid-contract rise stated |
| Spusu | 3GB · 5G | £3.90 | Rolling | Spusu | No mid-contract rise stated |
| Spusu | 5GB · 5G | £4.50 | Rolling | Spusu | No mid-contract rise stated |
| TalkMobile | 5GB · 5G | £4.95 | Rolling | Talkmobile | No mid-contract rise stated |
| Mozillion | 3GB · 5G | £4.95 | Rolling | Mozillion | No mid-contract rise stated |
| Lebara | 5GB · 5G | £5 | Rolling | Lebara Mobile | No mid-contract rise stated |
| Asda Mobile | 3GB · 5G | £5 | Rolling | Asda Mobile | No mid-contract rise stated |
| Spusu | 10GB · 5G | £5.90 | Rolling | Spusu | No mid-contract rise stated |
Figures read from our comparison partner’s feed on 17 September 2026. Prices, allowances and rises are stated by each provider and can change.
Questions people ask
What is the lowest 1 month SIM only price?
On 17 September 2026 the lowest monthly price we saw on 1 month was £2.90 a month for 1GB on a rolling one-month plan. That deal states no mid-contract rise.
How much is unlimited data on 1 month?
The lowest unlimited-data price we saw on 1 month was £15 a month on a rolling one-month plan, one of 17 unlimited plans in the comparison.
Can I get a 1 month SIM with no contract?
Yes: 121 of the 121 1 month plans we saw are rolling one-month plans you can leave with a month's notice.
Do 1 month SIM only prices rise mid-contract?
None of the 121 1 month plans in our sample stated a mid-contract rise on 17 September 2026.
Are 1 month SIM only deals 5G?
97 of the 121 plans we saw are 5G. Your phone must support 5G and you need 5G coverage where you use it.