Perfect Bar® Peanut Butter Price at Starbucks (2026) — Washington

A Perfect Bar® Peanut Butter costs $4.95 at Starbucks in Washington, United States (updated September 2026).

A Perfect Bar® Peanut Butter at Starbucks costs $4.95 in the United States as of September 2026. That's about 46% above the typical Starbucks side item — the 2nd-most-expensive of 18 we track. It has 340 calories and 17g of protein and contains Egg, Milk, Peanuts, Sesame. It's available at around 200 Starbucks locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.

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