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Fill Up Box Price at KFC (2026) — Washington

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Family & Kids Meals

Fill Up Box

$24.20Washington · national avg

A Fill Up Box costs $24.20 at KFC in Washington, United States (updated August 2026).

KFC's Fill Up Box is priced at $24.20 in the United States right now (August 2026). That's about 4% below the average KFC Family & Kids Meal item — the 2nd-cheapest of 4 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.

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