Stores (4) 
Promotion 
£2.00
£1.79
Diet coke offers
This week there are 11 Diet coke offers valid. Use the filters to find the offers from your favourite store or product. You can save the search to be notified when Diet coke is on offer again at a store near you.
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Diet coke/coke zero
£1.40
Diet Coke 24x330ml
£8.55
Diet Coke/Coca-Cola Zero Sugar/Coca-Cola
£15.19
3 for £5.00
Diet coke 2l
£2.50
Diet coke 330ml
£12.00
£7.50
Now Only £6.99
Diet Coke, Coca Cola
£6.99
Buy 2 Get 1 Free
Diet Coke 3L Bottle
£3.25
Buy 2 Get 1 Free
Diet Coke No Caffeine 2L
£2.65
Any 2 for £3
Diet Coke, Coca Cola, Schweppes Lemonade
£3.00
Diet Coke No Caffeine 24 x 330ml
£12.00
£7.50
Diet Coke 10 x 330ml (8 x 330ml + 2 x 330ml Extra Free)
£4.25
£3.50
Stores with Diet coke in their assortment
Top 10 best Diet coke offers
Looking for the best Diet coke offers? We have collected the top 10 offers for you! See here where to get Diet coke at the best price and take advantage of sharp discounts and promotions right away.
| # | Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | | Diet coke/coke zero | Bestway | £1.40 | 07 November 2025 | 04 December 2025 | View offer | ||
| 2 | | Diet Coke 24x330ml | Makro | £8.55 | 05 November 2025 | 02 December 2025 | View offer | ||
| 3 | | Diet Coke/Coca-Cola Zero Sugar/Coca-Cola | Makro | £15.19 | 05 November 2025 | 02 December 2025 | View offer | ||
| 4 | | Diet coke 2l | Iceland | £2.50 | 3 for £5.00 | 11 February 2025 | 26 November 2025 | View offer | |
| 5 | | Diet coke 330ml | Iceland | £12.00 | £7.50 | £4.50 Discount | 24 November 2025 | 01 December 2025 | View offer |
| 6 | | Diet Coke, Coca Cola | Londis | £6.99 | Now Only £6.99 | 03 November 2025 | 30 November 2025 | View offer | |
| 7 | | Diet Coke 3L Bottle | Iceland | £3.25 | Buy 2 Get 1 Free | 11 February 2025 | 25 November 2025 | View offer | |
| 8 | | Diet Coke No Caffeine 2L | Iceland | £2.65 | Buy 2 Get 1 Free | 11 February 2025 | 26 November 2025 | View offer | |
| 9 | | Diet Coke, Coca Cola, Schweppes Lemonade | Londis | £3.00 | Any 2 for £3 | 03 November 2025 | 30 November 2025 | View offer | |
| 10 | | Diet Coke No Caffeine 24 x 330ml | Iceland | £12.00 | £7.50 | £4.50 Discount | 24 November 2025 | 01 December 2025 | View offer |
Diet coke price history 🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
 | Diet coke | Bestway | £0.90 | 10 October 2025 | 06 November 2025 | ||
 | Diet Coke/Coke Zero | Lidl | £4.50 | 04 September 2025 | 10 September 2025 | ||
 | Diet Coke 1.5L (1.25L + 20% Extra Free) | Iceland | £2.00 | £5 Pizza Bundle | 28 August 2025 | 30 October 2025 | |
 | Diet Coke 150ml | Iceland | £0.75 | 5 for £2.50 | 18 August 2025 | 25 August 2025 | |
 | Diet Coke Cans 8 x 330ml | Morrisons | £4.25 | £3.50 | £0.75 Discount | 14 May 2025 | 30 August 2025 |
 | Diet coke caffeine free 10 x 330ml | Tesco | £5.30 | Any 2 for £8 Clubcard Price | 30 August 2023 | 31 August 2023 | |
 | Diet Coke 24 x 500ml | Costco | £11.99 | 29 August 2022 | 18 September 2022 |