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Sky Mobile SIM only deals: how competitive are they this September?

Sky logo with a SIM cardVisit sky.com

The retailers featured on this page may compensate us when our readers follow links to their websites and make a purchase. More

We check if Sky Mobile are offering good value on SIM only plans this month by comparing their best ones against other networks. SIM Sherpa is your trusty guide. Last updated: 28th September 2023.

Sky's best SIM only deals

The best overall SIM only deal this month on Sky Mobile

Sky Mobile SIM card
 
20GB data
£10
a month

12-month dealGet this deal

at sky.com
(opens in new window)

Out of the best SIM only plans on Sky Mobile this September, we think the leading deal is their 12‑month 20GB for £10 one below, which also comes with unlimited minutes and texts:

Compared to Sky's other deals, this comes out among the best. But it's worth knowing you can get a lower price elsewhere, even on other providers that use the O2 network. See the networks with cheaper plans here:

Their 8GB for £8 SIM is another good option

Sky Mobile SIM card
 
8GB data
£8
a month

12-month dealGet this deal

at sky.com
(opens in new window)

If you wouldn't get through that much data, another option for you on Sky, is their 12‑month SIM below, which costs £8 a month for 8GB data and comes with unlimited minutes and texts:

You have got other cheaper options if you don't need your SIM to be on a provider that uses the O2 network. But if you do, it is the cheapest current deal available. Here's which other networks can beat it:

Sky's 60GB for £15 plan is a good option too

Sky Mobile SIM card
 
60GB data
£15
a month

12-month dealGet this deal

at sky.com
(opens in new window)

To get an even bigger data allowance, Sky have got a £15 deal on SIM only we think's worth looking at. It gets you 60GB data, unlimited minutes and texts and it's a 12‑month plan:

This is good for Sky but it's not an unbeatable price. You can get similar SIM only plans for less with some other providers, even ones that also use the O2 network. See where you can get it for less here:

Compare all SIM only plans

Compare deals from all networks

How Sky Mobile's deals compare with other networks

SIM card with magnifying glass

Networks

Providers:

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Three logo
ASDA logo
Boshhh Mobile logo
Coop Mobile logo
EE logo
Genius logo
giffgaff logo
Honest logo
ID logo
IQ logo
Lebara logo
Lycamobile logo
O2 logo
SMARTY logo
Sky logo
Talkhome logo
Talkmobile logo
Tesco logo
Vodafone logo
VOXI logo

Plan

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Maximum length: (Any)

Added features

How Sky Mobile compare

How Sky Mobile’s SIM only prices and benefits stack up

Sky logo with rating stars

We go into more detail in our reviewRead our full review

at simsherpa.com
(opens in new window)

In our Sky Mobile review we rated them highly for giving you full access to O2’s excellent network for call signal and 5G coverage, while offering lots of nice benefits on top (see our O2 vs Sky Mobile review here).

Their SIM plans are all on 12-month contracts and they don’t offer unlimited data plans, so they don’t offer as much choice as some networks. But there’s still a wide range of plans (find their best deals here).

Sky’s best value deals tend to be their mid-range data deals. They’re a cheaper way of getting onto the O2 network than going with O2 directly while also offering some great benefits that O2 don’t:

They offer an excellent unlimited free streaming data scheme on Sky TV apps and a great data rollover scheme that lets you keep data for 3 years. And you can gift data to other users on your account if need be.

Useful link: Read our full Sky Mobile review

What else you should know about Sky Mobile’s SIM only plans

Sky Mobile's network map

Check their coverage map in your areaCheck local coverage

at sky.com
(opens in new window)

You’ll get your SIM package within 1-3 working days of ordering. Your SIM package will come with each size of SIM to put into any phone. You can’t get an eSIM on Sky yet (these networks offer them).

Once your SIM card arrives, you have 14 days to cancel your SIM to get a full refund if you’re not happy with it. Here are the full details on how to do that.

To get on a Sky Mobile SIM only contract you’ll have to pass a credit check. There’s no way to pay as you go or buy a monthly bundle to avoid this.

If you want to switch from another network to Sky while keeping your number, you’ll have to request a PAC from your old network and send it to Sky. Here’s their full guide on how to do it.

Useful link: Compare all Sky SIMs

Other Sky Mobile guides