Stores (5) 
Promotion 
£2.00
£1.79
Diet offers
This week there are 18 Diet 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 is on offer again at a store near you.
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Diet Coke Can
£10.79
PM 8 for £4.50
COCA-COLA Diet/Zero
Buy 2 Get 1 Free
Diet Coke 3L Bottle
£3.25
Buy 2 Get 1 Free
Diet coke 2l
£2.15
buy 3 for £2
Morrisons Diet Lemonade
£0.80
4 for £34.00
Diet coke 330ml
£12.00
5 for £2.50
Diet Coke 150ml
£0.75
Now Only £6.99
Diet Coke, Coca Cola Zero
£6.99
10 for £10.00
R.White's Diet Lemonade Bottle 3L
£1.75
Buy 2 Get 1 Free
Diet Coke No Caffeine 2L
£2.15
3 for £5.00
Pepsi diet 2 litres
£2.00
10 for £10.00
Diet pepsi cola bottle 1.25l
£1.65
4 for £34.00
Diet pepsi cola can 24x330ml
£12.00
buy 3 for £2
Morrisons Diet Indian Tonic Water
£0.80
10 for £10.00
Diet Coke 1.5L (1.25L + 20% Extra Free)
£2.00
4 for £34.00
Diet Coke No Caffeine 24 x 330ml
£12.00
Any 2 for £2.75
Schweppes Lemonade, Coca Cola Zero, Cherry, Diet Coke
£2.75
2 for £7.00
Diet Coke 10 x 330ml (8 x 330ml + 2 x 330ml Extra Free)
£4.25
Stores with Diet in their assortment
Morrisons
Makro
Bestway
Sainsbury's
Poundland
SuperValu
Asda
Lloyds Pharmacy
Spar
One Stop
Lidl
Centra
Musgrave MarketPlace
Booker Wholesale
Home Bargains
Tesco
McColl's
Aldi
Top 10 best Diet offers
Looking for the best Diet offers? We have collected the top 10 offers for you! See here where to get Diet 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 Can | Makro | £10.79 | 06 January 2026 | 03 March 2026 | View offer | ||
| 2 | | COCA-COLA Diet/Zero | Bestway | PM 8 for £4.50 | 02 January 2026 | 29 January 2026 | View offer | ||
| 3 | | Diet Coke 3L Bottle | Iceland | £3.25 | Buy 2 Get 1 Free | 11 February 2025 | 17 January 2026 | View offer | |
| 4 | | Diet coke 2l | Iceland | £2.15 | Buy 2 Get 1 Free | 11 February 2025 | 14 January 2026 | View offer | |
| 5 | | Morrisons Diet Lemonade | Morrisons | £0.80 | buy 3 for £2 | 28 March 2025 | 31 December 2026 | View offer | |
| 6 | | Diet coke 330ml | Iceland | £12.00 | 4 for £34.00 | 20 January 2025 | 17 January 2026 | View offer | |
| 7 | | Diet Coke 150ml | Iceland | £0.75 | 5 for £2.50 | 11 January 2026 | 18 January 2026 | View offer | |
| 8 | | Diet Coke, Coca Cola Zero | Londis | £6.99 | Now Only £6.99 | 05 January 2026 | 01 February 2026 | View offer | |
| 9 | | R.White's Diet Lemonade Bottle 3L | Iceland | £1.75 | 10 for £10.00 | 02 September 2025 | 20 January 2026 | View offer | |
| 10 | | Diet Coke No Caffeine 2L | Iceland | £2.15 | Buy 2 Get 1 Free | 11 February 2025 | 15 January 2026 | View offer |
Diet price history 🕒
| Offer | Name | Store | Regular price | Offer price | Promotion | Start date | End date |
|---|---|---|---|---|---|---|---|
| Diet Coke 10 x 330ml (8 x 330ml + 2 x 330ml Extra Free) | Iceland | £4.25 | 2 for £7.00 | 12 January 2026 | 19 January 2026 | |
 | Diet Coke, 30 x 330ml | Costco | £8.79 | 08 December 2025 | 14 December 2025 | ||
 | Diet Coke, Coca Cola | Londis | £6.99 | Now Only £6.99 | 01 December 2025 | 04 January 2025 | |
 | Diet Coke 24x330ml | Makro | £8.55 | 05 November 2025 | 02 December 2025 | ||
 | Diet Coke/Coca-Cola Zero Sugar/Coca-Cola | Makro | £15.19 | 05 November 2025 | 02 December 2025 | ||
 | Coca Cola Diet / Zero | Lidl | £5.99 | 23 October 2025 | 29 October 2025 | ||
 | Diet coke | Bestway | £0.90 | 10 October 2025 | 06 November 2025 | ||
 | Coca-Cola Zero Sugar / Diet Coke | Makro | £8.59 | 08 October 2025 | 04 November 2025 | ||
 | Diet Coke, Cherry Coca Cola, Coke Zero | Londis | £2.75 | Any 2 for £2.75 | 06 October 2025 | 02 November 2025 | |
 | COKE/COCA-COLA Diet/zero sugar | Bestway | £1.40 | 26 September 2025 | 03 October 2025 | ||
| Diet Coke 1.5L (1.25L + 20% Extra Free) | Iceland | £2.00 | 10 for £10.00 | 02 September 2025 | 20 January 2026 |