Samsung Galaxy S23 Ultra

Name: Samsung Galaxy S23 Ultra
Brand: Samsung
Availability: InStock

Operating System Android

Camera 200 Megapixels

Display Size 6.8 inches

Capacity 256Gb, 512Gb

View full spec >

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Samsung Galaxy S23 Ultra, 256GB Green

£29.31 per month

Total Cost: £1,843.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £31.61 on 1st April 2027

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,843.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£29.31
Months 2–13	£31.61
Months 14–25	£33.91
Months 26–36	£36.21

How your £29.31 / month is split

Network plan £12.00

Phone repayments £17.31

Total £29.31

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Phantom Black

£29.31 per month

Total Cost: £1,843.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £31.61 on 1st April 2027

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,843.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£29.31
Months 2–13	£31.61
Months 14–25	£33.91
Months 26–36	£36.21

How your £29.31 / month is split

Network plan £12.00

Phone repayments £17.31

Total £29.31

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream

£29.31 per month

Total Cost: £1,843.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £31.61 on 1st April 2027

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,843.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£29.31
Months 2–13	£31.61
Months 14–25	£33.91
Months 26–36	£36.21

How your £29.31 / month is split

Network plan £12.00

Phone repayments £17.31

Total £29.31

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Lavender

£29.31 per month

Total Cost: £1,843.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £31.61 on 1st April 2027

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,843.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£29.31
Months 2–13	£31.61
Months 14–25	£33.91
Months 26–36	£36.21

How your £29.31 / month is split

Network plan £12.00

Phone repayments £17.31

Total £29.31

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£31.06 per month

Total Cost: £1,320.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £33.56 on 1st April 2026 and to £36.06 on 1st April 2027 and to £38.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,320.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.06
Months 2–13	£33.56
Months 14–25	£36.06
Months 26–36	£38.56

How your £31.06 / month is split

Network plan £9.00

Phone repayments £22.06

Total £31.06

Average monthly cost ?

£36.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Lavender

£31.42 per month

Total Cost: £1,989.82

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £33.72 on 1st April 2027

150GB data

£700.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £700.00

Total over contract £1,989.82

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.42
Months 2–13	£33.72
Months 14–25	£36.02
Months 26–36	£38.32

How your £31.42 / month is split

Network plan £12.00

Phone repayments £19.42

Total £31.42

Average monthly cost ?

£55.27

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Green

£31.42 per month

Total Cost: £1,989.82

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £33.72 on 1st April 2027

150GB data

£700.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £700.00

Total over contract £1,989.82

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.42
Months 2–13	£33.72
Months 14–25	£36.02
Months 26–36	£38.32

How your £31.42 / month is split

Network plan £12.00

Phone repayments £19.42

Total £31.42

Average monthly cost ?

£55.27

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£31.42 per month

Total Cost: £1,989.82

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £33.72 on 1st April 2027

150GB data

£700.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £700.00

Total over contract £1,989.82

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.42
Months 2–13	£33.72
Months 14–25	£36.02
Months 26–36	£38.32

How your £31.42 / month is split

Network plan £12.00

Phone repayments £19.42

Total £31.42

Average monthly cost ?

£55.27

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Cream

£31.42 per month

Total Cost: £1,989.82

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £33.72 on 1st April 2027

150GB data

£700.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £700.00

Total over contract £1,989.82

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.42
Months 2–13	£33.72
Months 14–25	£36.02
Months 26–36	£38.32

How your £31.42 / month is split

Network plan £12.00

Phone repayments £19.42

Total £31.42

Average monthly cost ?

£55.27

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Green

£32.78 per month

Total Cost: £1,843.78

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.08 on 1st April 2027

150GB data

£505.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £505.00

Total over contract £1,843.78

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£32.78
Months 2–13	£35.08
Months 14–25	£37.38
Months 26–36	£39.68

How your £32.78 / month is split

Network plan £12.00

Phone repayments £20.78

Total £32.78

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Phantom Black

£32.78 per month

Total Cost: £1,843.78

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.08 on 1st April 2027

150GB data

£505.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £505.00

Total over contract £1,843.78

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£32.78
Months 2–13	£35.08
Months 14–25	£37.38
Months 26–36	£39.68

How your £32.78 / month is split

Network plan £12.00

Phone repayments £20.78

Total £32.78

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream

£32.78 per month

Total Cost: £1,843.78

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.08 on 1st April 2027

150GB data

£505.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £505.00

Total over contract £1,843.78

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£32.78
Months 2–13	£35.08
Months 14–25	£37.38
Months 26–36	£39.68

How your £32.78 / month is split

Network plan £12.00

Phone repayments £20.78

Total £32.78

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Lavender

£32.78 per month

Total Cost: £1,843.78

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.08 on 1st April 2027

150GB data

£505.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £505.00

Total over contract £1,843.78

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£32.78
Months 2–13	£35.08
Months 14–25	£37.38
Months 26–36	£39.68

How your £32.78 / month is split

Network plan £12.00

Phone repayments £20.78

Total £32.78

Average monthly cost ?

£51.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Green

£33.31 per month

Total Cost: £1,960.26

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.21 on 1st April 2027

5GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,960.26

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£33.31
Months 2–13	£35.21
Months 14–25	£37.11
Months 26–36	£39.01

How your £33.31 / month is split

Network plan £16.00

Phone repayments £17.31

Total £33.31

Average monthly cost ?

£54.45

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Lavender

£33.31 per month

Total Cost: £1,960.26

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.21 on 1st April 2027

5GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,960.26

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£33.31
Months 2–13	£35.21
Months 14–25	£37.11
Months 26–36	£39.01

How your £33.31 / month is split

Network plan £16.00

Phone repayments £17.31

Total £33.31

Average monthly cost ?

£54.45

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream

£33.31 per month

Total Cost: £1,960.26

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.21 on 1st April 2027

5GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,960.26

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£33.31
Months 2–13	£35.21
Months 14–25	£37.11
Months 26–36	£39.01

How your £33.31 / month is split

Network plan £16.00

Phone repayments £17.31

Total £33.31

Average monthly cost ?

£54.45

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Phantom Black

£33.31 per month

Total Cost: £1,960.26

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £35.21 on 1st April 2027

5GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £1,960.26

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£33.31
Months 2–13	£35.21
Months 14–25	£37.11
Months 26–36	£39.01

How your £33.31 / month is split

Network plan £16.00

Phone repayments £17.31

Total £33.31

Average monthly cost ?

£54.45

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£34.06 per month

Total Cost: £1,428.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £36.56 on 1st April 2026 and to £39.06 on 1st April 2027 and to £41.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,428.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.06
Months 2–13	£36.56
Months 14–25	£39.06
Months 26–36	£41.56

How your £34.06 / month is split

Network plan £12.00

Phone repayments £22.06

Total £34.06

Average monthly cost ?

£39.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Green

£34.31 per month

Total Cost: £2,023.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £36.61 on 1st April 2027

Extended Warranty Inclusive EU Roaming 12 months Paramount+

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £2,023.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.31
Months 2–13	£36.61
Months 14–25	£38.91
Months 26–36	£41.21

How your £34.31 / month is split

Network plan £17.00

Phone repayments £17.31

Total £34.31

Average monthly cost ?

£56.22

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Phantom Black

£34.31 per month

Total Cost: £2,023.86

Cost breakdown

VIEW DEAL

via Three

Monthly Price increases to £36.61 on 1st April 2027

Extended Warranty Inclusive EU Roaming 12 months Paramount+

150GB data

£630.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £630.00

Total over contract £2,023.86

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.31
Months 2–13	£36.61
Months 14–25	£38.91
Months 26–36	£41.21

How your £34.31 / month is split

Network plan £17.00

Phone repayments £17.31

Total £34.31

Average monthly cost ?

£56.22

Total cost averaged over 36 months

VIEW MORE DEALS

Live deal insights

Contract deals — price snapshot

Average total cost: £2,144
Lowest total cost: £473
£0 upfront options: 0 deals
Typical contract length: 36 months
Average monthly (24-month): £59
Average data allowance: 92GB

Deals are currently available on O2, Three.

O2 Three

Last updated: 20 Feb 2026 from 1,296 live offers