Fill Up Box costs $24.20 at KFC in United States, as last recorded on 29 May 2026.
KFC's Fill Up Box is priced at $24.20 in the United States right now (November 2026). That's about 0% above the typical KFC Happy Meal item — the 2nd-cheapest of 3 we track. It's available at around 497 KFC locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. See how it stacks up across other chains, and track its price for free, on MenuPriceToday.
How this compares in Happy Meal
3 items tracked| This item | $24.20 |
| Happy Meal median | $24.20 |
| Cheapest — Boneless Bucket for One | $15.76 |
| Most expensive — Chicken & Tenders Feast: 6 pc. Chicken + 6 pc. Tenders | $36.60 |
| vs Happy Meal median | 0% |
Compare KFC prices across countries — Fast-Food Price Index →
Prices last updated 29 May 2026.
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Sources & method
Prices come from delivery-platform menus (mainly Uber Eats in United States) and are refreshed about weekly. They are indicative: delivery-platform prices can differ from in-store prices, and each item shows the date it was last recorded. See the methodology and the editorial policy.
MenuPriceToday is not affiliated with KFC. Prices are indicative and may vary by location.