Samsung Galaxy S23 Ultra prices on UK networks' contracts

Unlimited data

We've had a look at every UK network that offers the Galaxy S23 Ultra on a pay monthly contract with unlimited data and compared them against each other. Here's what options you've got from each this January:

At the top our list is this £44.06 a month deal on O2, with an upfront cost of £30:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £44.06 a month, £30 up front (36‑month contract)
See full deal

🛈 Monthly airtime plan price will increase each April by the Retail Price Index rate of inflation published in February + 3.9%

Or Three's unlimited data deal below is our second-placed choice at £61.19 a month:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £61.19 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £62.69 on April 1 2027.
Increased to: £64.19 on April 1 2028

You can't get the Samsung Galaxy S23 Ultra with unlimited data on any of the other networks but do use our comparison tool further up, as there may be more upfront cost, data speed and contract legnth combos.

Useful link: Compare all unlimited data deals above

O2's Galaxy S23 Ultra contracts currently start at £31.06 a month

On O2, our latest search of all their deals found that the Samsung Galaxy S23 Ultra is available in Phantom Black only at the moment. Memory-wise, they've only got the 512GB version.

There's three choices of contract length for the Galaxy S23 Ultra on O2: 36, 24 or 12 months but the only way to get it on their network is by joining direct, there's no option to join via any re-sellers.

O2's best Samsung Galaxy S23 Ultra deals

✔ Best overall deal

We think this is currently O2's most competitive plan for the Galaxy S23 Ultra:

Unlimited minutes + Unlimited texts +  25GB data (5G) =  £45.08 a month, £30 up front (24‑month contract)
See full deal

🛈 Monthly airtime plan price will increase each April by the Retail Price Index rate of inflation published in February + 3.9%

✔ Unlimited data

You can get the Samsung Galaxy S23 Ultra with unlimited data on O2. Here's their current best deal for that:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £55.08 a month, £30 up front (24‑month contract)
See full deal

🛈 Monthly airtime plan price will increase each April by the Retail Price Index rate of inflation published in February + 3.9%

Depending on the amount of minutes, texts and data you want in your deal, monthly costs on O2 range between £31.06 - £100.66 (with £30 upfront costs).

Useful link: Compare all O2's Galaxy S23 Ultra deals

Three have 912 deals for the Galaxy S23 Ultra

Looking at their latest deals in January, if you want the Samsung Galaxy S23 Ultra from Three, they've currently got it in Phantom Black, Cream, Green and Lavender. And they've got it in the 256GB and 512GB memory versions.

You've only got one contract length choice of 36 months for the Galaxy S23 Ultra on Three and you can't get it on a contract with them via re-sellers like Carphone Warehouse, you have to join directly.

Three's best Samsung Galaxy S23 Ultra deals

✔ Best overall deal

Here's the Three Galaxy S23 Ultra deal that stacks up best against other providers:

Unlimited minutes + Unlimited texts +  150GB data (5G) =  £43.19 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £44.69 on April 1 2027.
Increased to: £46.19 on April 1 2028

✔ Unlimited data

Three sell the Samsung Galaxy S23 Ultra on an unlimited data plan too. This is their best current unlimited deal:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £61.19 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £62.69 on April 1 2027.
Increased to: £64.19 on April 1 2028

The monthly costs on Three range between £29.31 - £76.92 according to the amount of minutes, texts and data you want. You're looking at paying £65 - £700 upfront too.

Useful link: Compare all Three's Galaxy S23 Ultra deals