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Black Friday & Cyber Monday SIM only deals 2024

Deal of the month
Three 12 Month Sim
£12.00per month
120GB5G data
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100GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£12.00/mth monthly cost
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
Unltd 5G data
18 month contract
Unltd texts
Unltd minutes
£25.00/mth monthly cost
  • Speed restrictions apply after 40GB of data use
  • Fair usage policy applies
  • Free delivery
30GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£8.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

  • Free delivery
Exclusive
33GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£7.00/mth monthly cost
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
Exclusive
100GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth Months 1-3
£10.00/mth monthly cost
Avg monthly cost
£8.75/mth
  • No annual price rise
  • First 3 months half price
  • Free delivery
1GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£2.90/mth monthly cost
  • eSIM Available
  • EU roaming included
  • Free delivery
Exclusive
1GB of 5G data
1 month contract
Unltd texts
250 minutes
£0.49/mth Months 1-3
£3.99/mth monthly cost
Avg monthly cost
£3.12/mth
  • Discounted price for 3 months
  • EU roaming included
  • Free delivery
Exclusive
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£1.59/mth Months 1-6
£4.90/mth monthly cost
Avg monthly cost
£3.25/mth
  • Discounted price for 6 months
  • EU roaming included
  • Free delivery
Exclusive
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£1.00/mth Months 1-3
£4.50/mth monthly cost
Avg monthly cost
£3.63/mth
  • eSIM Available
  • EU roaming included
  • Free delivery
40GB of 5G data
24 month contract
pound icon£96 cashback reward
Unltd texts
Unltd minutes
£8.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

pound icon£96 cashback reward
  • Bill capping and data rollover
  • Free Roaming up to 30GB
  • Free delivery
63GB of 5G data
24 month contract
pound icon£108 cashback reward
Unltd texts
Unltd minutes
£9.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

pound icon£108 cashback reward
  • Bill capping and data rollover
  • Free Roaming up to 30GB
  • Free delivery
5GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Powered by EE
  • Free delivery
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • Free EU Roaming
  • Bill Capping
  • Free delivery
5GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

  • Unlimited streaming for Sky TV customers
  • Free delivery

Data last updated: Wednesday 19 June 2024 at 10:08

Our best Black Friday and Cyber Monday SIM deals

Black Friday logo

Black Friday and Cyber Monday means cut-price SIMs. And lots of them. Here's all the information you need to find a cheap SIM and save money.

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When is Black Friday and Cyber Monday 2023? 

For 2023, Black Friday and Cyber Monday fall on 24th November and 27th November respectively. But you don't have to wait until the big day to track down a cheap Black Friday SIM-only deal.

That's because networks typically launch their Black Friday and Cyber Monday SIM offers weeks in advance. And we’ll be highlighting some of the best SIM contracts on offer– read on for more.

Our top Three Black Friday and Cyber Monday SIM deals

One of the four main networks in the UK, Three offers cheap SIMs that get you a generous data allowance for your outlay. Better still, it’s one of the UK’s fastest 5G networks – and all SIMs come with 5G at no extra cost.

As for the deals on offer, you can expect monthly discounts with SIM-only contracts, and even cashback if you’re switching from another network to Three.

One of its top SIM deals include a 12-month SIM plan that gives you a whopping 120GB of data for £12 a month.

Our top O2 Black Friday and Cyber Monday SIM deals

Another major UK network, O2 is consistently rated the best for freebies, thanks to its Priority customer rewards scheme. SIM plans can be on 12-month or 24-month contracts, as well as 30-day rolling ones.

Black Friday SIM deals can include more data for lower prices, as well as free or discounted subscription services. What’s more, you can also shop O2’s range of devices – you could take advantage of Black Friday discounts on tablets, smartwatches and flagship handsets.

Right now, one of O2's top deals is its 30GB for £8 a month plan, available on a 12-month contract.

  • O2 sim only
    5G
    • 10GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £5.99 per month
    12 month contract From O2
  • O2 sim only
    5G
    • 30GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £7.99 per month
    12 month contract From O2
  • O2 sim only
    5G
    • 60GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £9.99 per month
    12 month contract From O2

Our top SMARTY Black Friday and Cyber Monday SIM deals

SMARTY's SIM plans are some of the most affordable on the market. They’re flexible, too, with the option to get money back on unused data.

For Black Friday, Smarty usually cuts the price of its SIMs for up to 12 months. For example, you can bag 80GB for £10 a month (on a flexible one-month plan).

  • SMARTY sim only
    5G
    • Exclusive
    • 33GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £7.00 per month
    1 month contract From SMARTY
  • SMARTY sim only
    5G
    • Exclusive
    • 33GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £7.00 per month
    1 month contract From SMARTY
  • SMARTY sim only
    5G
    • 150GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £15.00 per month
    1 month contract From SMARTY

Our top Lycamobile Black Friday and Cyber Monday SIM deals

Lycamobile is one of the most affordable SIM-only networks around, offering cut-price, flexible SIM plans with inclusive international calls and cheap rates.

For Black Friday, you can get a one-month contract that gives you 15GB for the low, low rate of £1.99 per month for the first six months (rising to £8.50 per month afterwards).

  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu
  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu
  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu

Our top giffgaff Black Friday and Cyber Monday SIM deals

Giffgaff is another budget-friendly network, providing plenty of choice when it comes to pay-as-you-go, monthly rolling and 18-month contract SIM plans.

One deal worth highlighting this year is its 500GB for £20 plan, on an 18-month contract. Not only do you get a staggeringly large amount of data, giffgaff also throws in an £80 gift card and increased data for the first six months.

  • GiffGaff sim only
    5G
    • 25GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    18 month contract From giffgaff
  • GiffGaff sim only
    5G
    • 25GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    18 month contract From giffgaff
  • GiffGaff sim only
    5G
    • 25GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    18 month contract From giffgaff

Is Black Friday or Cyber Monday a good time to take out a SIM-only contract plan?

Yes – if you’re looking for a SIM-only contract plan, Black Friday is an ideal time to sign up. Both new and existing customers will be able to get their hands on special discounts and deals during the promotional period.

More Black Friday and Cyber Monday deals

Looking for a Black Friday handset deal instead? Many networks will also be running Black Friday mobile phone deals, including offers on the latest Apple iPhone and Samsung Galaxy.

Furthermore, Black Friday isn’t just limited to mobile phones – you can also score a good deal on your home broadband.

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