Samsung Galaxy S23 deals
50 contracts for the Samsung Galaxy S23 in our comparison. The lowest over the whole contract is £20 a month and £19 upfront, £564 over 24 months; 8 with nothing upfront. On Vodafone, O2, iD Mobile, Three.
- 128GB, 256GB
- Released February 2023
Our pick
O2, Galaxy S23 128GB Phantom BlackMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money
- 100GB data
- 24 months
- £19 upfront
- £22.50 from Apr 2027, then £25 from Apr 2028
£20a month
£23.50 a month all in, £564 over the contract
Go to deal: O2, Galaxy S23 128GB Phantom Black, £20 a month£19 upfront and £20 a month for 24 months with 100GB data on O2, rising to £22.50 from Apr 2027, then £25 from Apr 2028: £564 over the contract, £23.50 a month all in.
How we chose it
The lowest monthly cost over the whole contract, upfront and stated rises included, of every contract for this phone on our comparison with £50 or less upfront. Read live from our comparison partner.
Sold by Mobile Phones Direct. MoneyHQ may earn a commission if you take it.
Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.
Quick answer · figures checked 1 November 2026
- What is the lowest monthly price for the Samsung Galaxy S23?
- On 1 November 2026 the lowest monthly price we saw was £15 a month with £209 upfront on Vodafone over 24 months.
- What does the Samsung Galaxy S23 cost over the whole contract?
- The lowest total we saw was £564 over 24 months: £20 a month plus £19 upfront on O2. 50 of the 50 contracts state a mid-contract rise.
What the Galaxy S23 really costs
Across 50 Galaxy S23 contracts, the lowest true monthly cost is £23.50 a month (£19 upfront, £20 a month, 24 months, O2).
By network
| Network | Contracts | Lowest true cost a month | That contract |
|---|---|---|---|
| O2 | 6 | £23.50 | £19 upfront, £20 a month, 24 months, O2 |
| iD Mobile | 19 | £23.73 | £19 upfront, £20.99 a month, 24 months, iD Mobile |
| Vodafone | 23 | £26.42 | £209 upfront, £15 a month, 24 months, Vodafone |
| Three | 2 | £27.70 | £29 upfront, £24 a month, 24 months, Three |
By upfront payment
| Upfront | Contracts | Lowest true cost a month | That contract |
|---|---|---|---|
| Nothing upfront | 8 | £26.94 | Nothing upfront, £24.99 a month, 24 months, iD Mobile |
| £1 to £99 | 32 | £23.50 | £19 upfront, £20 a month, 24 months, O2 |
| £100 to £299 | 10 | £24.50 | £139 upfront, £16 a month, 24 months, O2 |
By data allowance
| Data | Contracts | Lowest true cost a month | That contract |
|---|---|---|---|
| Up to 10GB | 1 | £26.94 | Nothing upfront, £24.99 a month, 24 months, iD Mobile |
| 11GB to 50GB | 6 | £24.50 | £139 upfront, £16 a month, 24 months, O2 |
| 51GB to 150GB | 13 | £23.50 | £19 upfront, £20 a month, 24 months, O2 |
| Over 150GB | 17 | £24.40 | £59 upfront, £19.99 a month, 24 months, iD Mobile |
| Unlimited | 13 | £24.15 | £29 upfront, £20.99 a month, 24 months, iD Mobile |
Since last week
About the same as a week ago: in our nightly price record the lowest true cost a month was £23.29 on 31 October, against £23.29 on 24 October.
Price rises
50 of 50 contracts state a mid-contract rise. On the lowest of those, the rises add £65 over 24 months.
Against the Galaxy S24
20 Galaxy S24 contracts on our panel, the lowest at £26.98 a month (£49 upfront, £22.99 a month, 24 months, iD Mobile). The Galaxy S23 works out £3.48 a month less. Galaxy S24 deals
Against the Galaxy S22
12 Galaxy S22 contracts on our panel, the lowest at £19.07 a month (£99 upfront, £12.99 a month, 24 months, iD Mobile). The Galaxy S23 works out £4.43 a month more. Galaxy S22 deals
About the same to run
Phones whose lowest true cost a month is within 15% of the Galaxy S23's, from our latest daily price record:
- Samsung Galaxy S25: £24.24 a month, £0.74 more
- Apple iPhone 16e: £24.58 a month, £1.08 more
- Samsung Galaxy S24 FE: £24.58 a month, £1.08 more
- Samsung Galaxy S26 FE: £24.83 a month, £1.33 more
Galaxy S23 contracts right now
50 contracts, £15 to £28.99 a month, upfront from nothing, £564 or more over the term. Sold by mobiles.co.uk, Mobile Phones Direct, Carphone Warehouse, iD Mobile. 50 state a mid-contract rise.
| Variant | Network | Data | A month | Upfront | Total | Rise | Go to deal |
|---|---|---|---|---|---|---|---|
| Galaxy S23 128GB Phantom BlackMobile Phones Direct · 24 months | O2 | 100GB | £20 | £19 | £564 | £22.50 from Apr 2027, then £25 from Apr 2028 | Get deal: Galaxy S23 128GB Phantom Black on O2, £20 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| Galaxy S23 128GB Phantom BlackCarphone Warehouse · 24 months | iD Mobile | 100GB | £20.99 | £19 | £570 | £22.79 from Apr 2027, then £24.59 from Apr 2028 | Get deal: Galaxy S23 128GB Phantom Black on iD Mobile, £20.99 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| Galaxy S23 128GB Phantom Blackmobiles.co.uk · 24 months | Vodafone | 100GB | £15 | £209 | £634 | £17.50 from Apr 2027, then £20 from Apr 2028 | Get deal: Galaxy S23 128GB Phantom Black on Vodafone, £15 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| Galaxy S23 128GB Phantom BlackMobile Phones Direct · 24 months | Three | 100GB | £24 | £29 | £665 | £26.30 from Apr 2027, then £28.60 from Apr 2028 | Get deal: Galaxy S23 128GB Phantom Black on Three, £24 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
Read from our comparison partner’s feed on 1 November 2026. Providers set the prices and can change them. Tables built automatically by rules MoneyHQ sets: ordered by what deals cost, never by commission. How we make money.
Galaxy S23: questions people ask
Can I get the Samsung Galaxy S23 with no upfront cost?
Yes: 8 of the 50 contracts we saw ask for nothing upfront.
Which networks sell the Samsung Galaxy S23 on contract?
In our comparison the Samsung Galaxy S23 is available on Vodafone, O2, iD Mobile and Three, sold by mobiles.co.uk, Mobile Phones Direct, Carphone Warehouse and iD Mobile.
Which storage sizes does the Samsung Galaxy S23 come in?
The Samsung Galaxy S23 contracts we list cover 128GB and 256GB, in Phantom Black, Lavender, Green and Cream. Use the filters in the comparison to narrow to a size and colour.
Samsung Galaxy S23 or Samsung Galaxy S24: which costs less on contract?
On 1 November 2026 the Samsung Galaxy S23 worked out at £23.50 a month and the Samsung Galaxy S24 at £26.98, counting the upfront payment and any stated mid-contract rises. The Samsung Galaxy S23 is £3.48 a month less, £84 less over 24 months. Lowest contracts: £19 upfront and £20 a month on O2 for the Samsung Galaxy S23; £49 upfront and £22.99 a month on iD Mobile for the Samsung Galaxy S24.
Samsung Galaxy S23 or Samsung Galaxy S22: which costs less on contract?
On 1 November 2026 the Samsung Galaxy S23 worked out at £23.50 a month and the Samsung Galaxy S22 at £19.07, counting the upfront payment and any stated mid-contract rises. The Samsung Galaxy S23 is £4.43 a month more, £106 more over 24 months. Lowest contracts: £19 upfront and £20 a month on O2 for the Samsung Galaxy S23; £99 upfront and £12.99 a month on iD Mobile for the Samsung Galaxy S22.