Diet Coke Price at Chick-fil-A (2026)
A Diet Coke at Chick-fil-A in Canada is priced at C$3.99 as of October 2026.
A Diet Coke® at Chick-fil-A costs C$3.99 in Canada as of October 2026. That's about 7% below the typical Chick-fil-A drink item — the 13th-cheapest of 34 we track. Prices are sourced from delivery platforms and refreshed regularly. Check the full Chick-fil-A menu or compare drink prices on MenuPriceToday.
How this compares in Drinks
34 items tracked| This item | C$3.99 |
| Drinks median | C$4.29 |
| Cheapest — Honest Kids® Apple Juice | C$3.25 |
| Most expensive — Seasonal Gallon Beverages | C$24.69 |
| vs Drinks median | −7% |
Compare Chick Fil A prices across 20+ countries — Fast-Food Price Index →