All 11 listings, cheapest per fl oz first
| Item | Size | Price | Per fl oz | |
|---|---|---|---|---|
| Diet Coke Caffeine-Free Soda Soft Drink Fridge Pack Cans, 12 fl oz, 12 Pack | 144 fl oz | $4.68 | $0.03 | Amazon → |
| Diet Coke Soda Soft Drink Bottles, 16.9 fl oz, 6 Pack | 101.4 fl oz | $5.39 | $0.05 | Amazon → |
| Diet Coke Soda Soft Drink Cans, 12 fl oz, 12 Pack | 144 fl oz | $7.68 | $0.05 | Amazon → |
| Diet Coke Cherry Soda Soft Drink, 12 fl oz, 12 Pack | 144 fl oz | $7.68 | $0.05 | Amazon → |
| Diet Coke Diet Soda, 12 fl oz Bottles, 8 Pack - Cola Soft Drink | 96 fl oz | $6.54 | $0.07 | Amazon → |
| Diet Coke Soda Soft Drink Cans, 12 fl oz, 18 Pack | 216 fl oz | $17.98 | $0.08 | Amazon → |
| Diet Coke Soda Soft Drink Cans, 12 fl oz, 24 Pack | 288 fl oz | $25.48 | $0.09 | Amazon → |
| Diet Coke Soda Soft Drink Fridge Pack Mini Cans, 7.5 fl oz, 10 Pack | 75 fl oz | $6.94 | $0.09 | Amazon → |
| Caffeine Free Diet Coke, 12 fl oz, 24 Pack | 288 fl oz | $28.57 | $0.10 | Amazon → |
| Diet Coke Soda Soft Drink Mini Cans, 7.5 fl oz, 6 Pack | 45 fl oz | $4.82 | $0.11 | Amazon → |
| Diet Coke, 12 fl oz, 8 ct | 96 fl oz | $17.01 | $0.18 | Amazon → |
Prices as of 2026-10-24 19:21:16 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More drinks
- Bottled water $0.01/fl oz
- Coca-Cola cans $0.05/fl oz
- Coconut water $0.10/fl oz
- Coke Zero cans $0.05/fl oz
- Gatorade $0.04/fl oz
- Kombucha $0.23/fl oz
- LaCroix sparkling water $0.04/fl oz
- Red Bull $0.17/fl oz