Diet Coke 18 x 330ml
Prices last checked:
Cheapest at
ASDA
£6.00
for 18X330
Save £5.25 (47%) vs most expensive store
All Prices
£1.01/per litre
£1.60/per litre
£1.77/per litre
£1.89/per litre
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Price History (Last 90 Days)
Lowest ever: £5.00 at ASDACheaper Alternatives
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Diet Coke 18 x 330ml Price Comparison
Compare Diet Coke 18 x 330ml prices across 5 UK supermarkets. Currently cheapest at ASDA for £6.00, compared to £11.25 elsewhere — a saving of £5.25. Available at ASDA, Co-op, Sainsbury's, Morrisons, Ocado. Lowest recorded price: £5.00 at ASDA. Prices updated 3 June 2026.
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