All 10 listings, cheapest per oz first
| Item | Size | Price | Per oz | |
|---|---|---|---|---|
| McCormick® Onion Powder, Made with Fresh Whole Onions, 22 oz | 22 oz | $7.49 | $0.34 | Amazon → |
| Amazon Grocery, Onion Powder, 22 Oz | 22 oz | $8.03 | $0.36 | Amazon → |
| Amazon Saver, Onion Powder, 2.35 Oz | 2.35 oz | $0.89 | $0.38 | Amazon → |
| Farmersville Spice Co. Onion Powder, 4 lb Handle Jug, Kosher | 64 oz | $24.59 | $0.38 | Amazon → |
| McCormick Onion Powder, 14.6 oz | 14.6 oz | $11.88 | $0.81 | Amazon → |
| Fresh Finest Onion Powder - 11oz (330G) - Premium Ground Onions for Authentic Flavor, Packed in a Du | 11 oz | $9.99 | $0.91 | Amazon → |
| McCormick® Onion Powder, Made with Fresh Whole Onions, 7.62 oz | 7.62 oz | $6.93 | $0.91 | Amazon → |
| McCormick® Onion Powder, Made with Fresh Whole Onions, 2.62 oz | 2.62 oz | $3.88 | $1.48 | Amazon → |
| Simply Organic White Onion Powder, 3-Ounce Jar, Organic US Grown Onions, Real Onion Taste Without Th | 3 oz | $4.79 | $1.60 | Amazon → |
| 365 by Whole Foods Market, Organic Onion Powder, 1.73 oz | 1.73 oz | $3.99 | $2.31 | Amazon → |
Prices as of 2026-10-24 18:32:20 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More spices & herbs
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- Black peppercorns $0.50/oz
- Cayenne pepper $0.31/oz
- Chili powder $0.34/oz
- Cinnamon sticks $0.55/oz
- Coriander seed $0.35/oz
- Crushed red pepper $0.29/oz
- Cumin seed $0.37/oz
- Curry powder $0.43/oz
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- Dried oregano $1.31/oz