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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: 17th September 2021.

Sky's best SIM only deals

The best overall SIM only deal this month on Sky Mobile

Sky Mobile SIM card
 
6GB data
£8
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 6GB for £8 one below, which also comes with unlimited minutes and texts:

It isn't actually the cheapest 6GB data or more SIM available overall this month but if you definitely need your plan to use the O2 network, it is the lowest cost option. See the networks with cheaper plans here:

Their 20GB for £12 SIM is another good option

Sky Mobile SIM card
 
20GB data
£12
a month

12-month dealGet this deal

at sky.com
(opens in new window)

For those needing more data, another option for you on Sky, is their 12‑month SIM below, which costs £12 a month for 20GB 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 3GB for £6 plan is a good option too

Sky Mobile SIM card
 
3GB data
£6
a month

12-month dealGet this deal

at sky.com
(opens in new window)

Their £10 for 10GB plan is a decent deal for September

Sky Mobile SIM card
 
10GB data
£10
a month

12-month dealGet this deal

at sky.com
(opens in new window)

To get a bigger chunk of data, we think this 10GB is one of the best SIM only plans on Sky Mobile too. It's on a 12‑month deal, comes with unlimited minutes and texts - all for £10 a month:

It's a good deal by Sky's standards but price-wise you can still beat this plan on other providers (even ones that still use the O2 network). Here are the networks offering it cheaper:

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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ASDA logo
BT Mobile logo
EE logo
giffgaff logo
Honest logo
ID logo
IQ logo
Lebara logo
O2 logo
Plusnet logo
Sky logo
SMARTY logo
Talkmobile logo
Tesco logo
Virgin Mobile logo
Vodafone logo
VOXI logo

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