Stores (7) 
Promotion 
£2.00
£1.79
Diet coke offers
This week there are 19 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
£12.00
Diet Coke
£10.00
Diet Coke
£12.00
Diet Coke NRB
£12.99
£11.99
Diet Coke Cans
£12.39
£9.49
Diet Coke Bag in Box
£63.99
Diet Coke Icon Glass Bottles
£18.35
£17.49
Coca Cola Zero / Diet Coke
£2.25
£1.50
Coca-Cola coke zero sugar / Diet Coke / Cherry
£3.05
£2.15
Diet Coke
£21.99
Coca-Cola/CoKe zero sugar/diet - superfan edition
£11.49
Diet coke 330ml
£12.00
Diet coke 2l
£2.65
Coke Zero / Diet Coke / Cherry
£2.15
Diet Coke No Caffeine 2L
£2.65
Diet Coke 3L Bottle
£3.25
Diet coke 8 x 330ml
£4.50
Diet Coke Postmix Bag in Box
£64.29
Diet Coke No Caffeine 24 x 330ml
£12.00
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 330 ml | Homebase | £12.00 | 09 October 2026 | 09 November 2026 | View offer | ||
| 2 | | Diet Coke 30 x 330 ml | Morrisons | £10.00 | 23 September 2026 | 15 October 2026 | View offer | ||
| 3 | | Diet Coke 330 ml | Iceland | £12.00 | 09 October 2026 | 09 November 2026 | View offer | ||
| 4 | | Diet Coke NRB 24 x 200 ml | Bestway | £12.99 | £11.99 | £1.00 Discount | 09 October 2026 | 05 January 2027 | View offer |
| 5 | | Diet Coke Cans 24 x 330 ml | Bestway | £12.39 | £9.49 | £2.90 Discount | 09 October 2026 | 05 January 2027 | View offer |
| 6 | | Diet Coke Bag in Box 7 L | Bestway | £63.99 | 09 October 2026 | 05 January 2027 | View offer | ||
| 7 | | Diet Coke Icon Glass Bottles 330 ml | Bestway | £18.35 | £17.49 | £0.86 Discount | 09 October 2026 | 05 January 2027 | View offer |
| 8 | | Coca Cola Zero / Diet Coke 2 l | Spar | £2.25 | £1.50 | £0.75 Discount | 21 September 2026 | 11 October 2026 | View offer |
| 9 | | Coca-Cola coke zero sugar / Diet Coke / Cherry 2 litre | SuperValu | £3.05 | £2.15 | £0.90 Discount | 04 October 2026 | 24 October 2026 | View offer |
| 10 | | Diet Coke | Makro | £21.99 | 06 October 2026 | 13 October 2026 | View offer |
Diet coke price history 🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
 | Diet Coke/Coke Zero | SuperValu | £4.50 | 13 September 2026 | 03 October 2026 | ||
 | Coca-Cola/Diet Coke | Makro | £11.49 | 09 September 2026 | 06 October 2026 | ||
 | Diet Coke / Coke Zero / Fanta Orange / Sprite Zero Sugar | SuperValu | £1.25 | 23 August 2026 | 12 September 2026 | ||
 | Diet Coke Bag in Box | Bestway | £62.99 | 14 August 2026 | 08 October 2026 | ||
 | Diet Coke NRB | Bestway | £12.55 | 14 August 2026 | 08 October 2026 | ||
 | Diet Coke Icon Glass Bottles | Bestway | £17.09 | 14 August 2026 | 08 October 2026 | ||
 | Diet Coke Cans | Bestway | £9.29 | 14 August 2026 | 08 October 2026 | ||
 | Diet Coke Cherry 2L Bottle | Iceland | £2.65 | 01 April 2026 | 25 April 2026 | ||
 | Diet Coke Cherry 8 x 330ml Cans | Iceland | £4.25 | 18 March 2026 | 25 March 2026 | ||
 | Diet Coke 150ml | Iceland | £0.75 | 08 March 2026 | 15 March 2026 | ||
 | Diet Coke 10 x 330ml (8 x 330ml + 2 x 330ml Extra Free) | Iceland | £4.25 | 12 January 2026 | 19 January 2026 | ||
 | Diet Coke 1.5L (1.25L + 20% Extra Free) | Iceland | £2.00 | 02 September 2025 | 20 January 2026 | ||
| Diet Coke 3L Bottle | Iceland | £3.25 | 11 February 2025 | 24 January 2026 |