You don’t have to spend a lot to get a really good SIM-only deal with generous allowances of data, texts and call minutes. Contrary to popular belief, you don’t even have to sign up to a long-term contract.
Smarty, iD Mobile and Plusnet Mobile all offer flexible one-month SIM-only contracts with allowances that’ll easily get you through the month for not much more than a fiver.
Below, we’ve picked out what we consider the best of the best cheap SIMs for our regular round-up.
Can't see a deal you like the look of? You'll find a wider selection of SIM-only deals at our dedicated SIMs comparison page.
iD Mobile - £3.99 per month, one-month rolling contract
MONTHLY ALLOWANCES: 500MB of data, unlimited texts and 500 minutes.
Why it’s a good deal: This is one of the UK’s cheapest SIM-only deals, with a surprising amount of data for the price.
You also get inclusive roaming in 50 locations, so you can use your UK allowances overseas. And you can rollover unused data from month to month.
Find the deal here: iD Mobile.
SMARTY - £7.50 per month, one month rolling contract
MONTHLY ALLOWANCES: 2GB of data, unlimited texts and minutes.
Why it’s a good deal: We think they’re good allowances for the outlay. As with iD Mobile offer, it’s a one-month contract so you’re not tied in to a long-term deal.
SMARTY customers also get money off their bill for any unused data and can bag themselves up to 12 months’ free with SMARTY’s refer-a-friend scheme.
The downside is that SMARTY is a UK-only network. So you won’t be able to use your SIM overseas.
Find the deal here: SMARTY.
Plusnet Mobile - £6 per month, one-month rolling contract
MONTHLY ALLOWANCES: 1.5GB, unlimited texts and 2,000 minutes.
Why it’s a good deal: Plusnet Mobile, which is based on EE’s nationwide 4G network, won best network at the recent uSwitch Awards 2018. So expect excellent coverage and speeds.
Not only that, but you’re getting a good bundle of allowances and inclusive roaming in 52 locations. And it’s a rolling one-month contract, too.
Find the deal here: Plusnet.
Virgin Mobile - £7 per month
MONTHLY ALLOWANCES: 2GB of data, unlimited texts and 1,500 minutes.
Why it’s a good deal: This 12-month contract offers a competitive bundle of data, texts and minutes.
The benefits are also very good. Not least among them is inclusive roaming in 43 locations and data rollover.
Plus you can use WhatsApp, Twitter and Facebook Messenger without eating into any of your data allowance.
Find the deal here: Virgin Mobile.
Sky Mobile - £6 per month. Existing Sky customers only
MONTHLY ALLOWANCES: 500Mb of data, unlimited texts and minutes.
Why it’s a good deal: The data allowance on this deal won’t last you long, but since it’s aimed at light users that's unlikely to be a problem.
What makes this deal worthy of inclusion here are some attractive benefits.
You can rollover as much as unused data as you like and stash it pretty much indefinitely with Sky’s Roll scheme. And you get inclusive roaming in 36 locations.
The only other thing to note is that to qualify for this SIM only deal, you'll need to be an existing Sky TV or broadband customer.
Find the deal here: Sky Mobile.
Vodafone - £10 per month, 12-month contract
MONTHLY ALLOWANCES: 5GB of data and unlimited texts and minutes.
Why it’s a good deal: This deal gives you lot of data, plus unlimited calls and messages for a very reasonable £10 a month.
You can also use your monthly allowances for no extra cost in 50 locations. So you can share your holiday selfies while you're away without worrying about running up a huge bill.
Find the deal here: Vodafone.
Find a SIM only deal that suits you at our SIMs comparison page.