Samsung Galaxy S23 Ultra prices on UK networks' contracts

No upfront costs

We've compared contracts with no upfront costs for the Samsung Galaxy S23 Ultra being offered by each network this July, to find the best options across a range of data plans. These are the results:

Have a look at 's deal below, for a small amount of data with nothing to pay up front:

 minutes +  texts +   data (G) =  £0 a month, £0 up front (1‑month plan, no contract)
See full deal

🛈

And last but not least, this deal from Three is a good shout if you want unlimited data with your Samsung Galaxy S23 Ultra that has nothing to pay up front too:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £76 a month, £0 up front (24‑month contract)
See full deal

🛈 Increased to: £77.50 on April 1 2027.
Increased to: £79.00 on April 1 2028

Useful link: Compare all no upfront cost deals above

Unlimited data

We've searched through all the networks that offer unlimited data with their Galaxy S23 Ultra contracts this July. Below, we pick through the best-value option from each provider:

You can actually only get the Samsung Galaxy S23 Ultra with unlimited data on one network this month. So this £66 a month deal (£179.99 upfront) from Three is our best choice by default:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £66 a month, £179.99 up front (24‑month contract)
See full deal

🛈 Increased to: £67.50 on April 1 2027.
Increased to: £69.00 on April 1 2028

None of the other networks offer the Samsung Galaxy S23 Ultra with unlimited data. But there may be more combos of upfront cost, contract length and speed if you give our comparison tool further up the page a go.

Useful link: Compare all unlimited data deals above

Three have 220 deals for the Galaxy S23 Ultra

From our most recent check, the Samsung Galaxy S23 Ultra is currently available in Phantom Black, Cream, Green and Lavender on Three. They have it in two choices of memory: 256GB and 512GB.

There's two choices of contract length for the Galaxy S23 Ultra on Three: 36 or 24 months but it's only possible to get it directly with them - none of the re-sellers like Carphone Warehouse offer Three deals for it.

Three's best Samsung Galaxy S23 Ultra deals

✔ Best overall deal

This is the most competitive Three plan for the Galaxy S23 Ultra, compared against other networks:

Unlimited minutes + Unlimited texts +  150GB data (5G) =  £39.19 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £40.69 on April 1 2027.
Increased to: £42.19 on April 1 2028

✔ Unlimited data

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

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £68 a month, £149.99 up front (24‑month contract)
See full deal

🛈 Increased to: £69.50 on April 1 2027.
Increased to: £71.00 on April 1 2028

On a pay monthly deal, you're looking at prices between £25.31 - £78 per month on Three, depending on the minutes, texts and data you want. And that's with £0 - £700 upfront costs.

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