Diet Barq's Price at Burger King (2026)
A Diet Barq's costs $3.79 at Burger King in United States (updated August 2026).
Looking up the Diet Barq's price at Burger King in the United States? It currently sells for $3.79. That's about 11% above the average Burger King Drinks & Coffee item — the 3rd-most-expensive of 27 we track. It's available at around 900 Burger King locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. Check the full Burger King menu or compare Drinks & Coffee prices on MenuPriceToday.
How this compares in Drinks & Coffee
27 items tracked| This item | $3.79 |
| Drinks & Coffee median | $3.69 |
| Cheapest — Honest Kids® Apple Juice Drink | $2.49 |
| Most expensive — Large Coca-Cola | $3.99 |
| vs Drinks & Coffee median | +3% |
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