Diet Barq's Price at Burger King (2026)
A Diet Barq's at Burger King in United States is priced at $3.79 as of September 2026.
Looking up the Diet Barq's price at Burger King in the United States? It currently sells for $3.79. That's about 3% above the typical Burger King coffee item — the 3rd-most-expensive of 31 we track. It's available at around 897 Burger King locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. Check the full Burger King menu or compare coffee prices on MenuPriceToday.
How this compares in Drinks
31 items tracked| This item | $3.79 |
| Drinks median | $3.69 |
| Cheapest — Honest Kids® Apple Juice Drink | $2.49 |
| Most expensive — Large Coca-Cola | $4.19 |
| vs Drinks median | +3% |
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