Diet Pepsi Price at KFC (2026)
A Diet Pepsi costs C$4.29 at KFC in Canada (updated September 2026).
Based on the latest tracked prices, the Diet Pepsi from KFC costs C$4.29 in Canada (September 2026). That's about 14% below the typical KFC drink item — the 2nd-cheapest of 10 we track. It's available at around 98 KFC locations across Canada. Prices are sourced from delivery platforms and refreshed regularly. Check the full KFC menu or compare drink prices on MenuPriceToday.
How this compares in Drinks
10 items tracked| This item | C$4.29 |
| Drinks median | C$4.99 |
| Cheapest — Diet Pepsi | C$4.29 |
| Most expensive — Onion Rings | C$5.69 |
| vs Drinks median | −14% |
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