How long does whole wheat flour last?
Whole wheat flour keeps 6–8 months in the fridge once opened, 2 years in the freezer and 3–6 months in the pantry, according to USDA FoodKeeper.
Quick answer
Fridge6–8 monthsonce opened
Freezer2 years
Pantry3–6 monthsfrom purchase
Storage times by type
| Type | Fridge | Freezer | Pantry |
|---|---|---|---|
| Flour (whole wheat) |
| — |
|
| Whole wheat flour |
|
|
|
Also covers: wheat flour.
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Get early accessThese are general guidelines from the USDA’s FoodKeeper data for food stored at safe temperatures: fridge at 40°F (4°C) or below, freezer at 0°F (−18°C). Freezer times are for best quality; food kept constantly frozen at 0°F stays safe longer. Always check the package and the food itself. When in doubt, throw it out. Shelf Shepherd isn’t affiliated with or endorsed by the USDA.
Source: USDA FSIS FoodKeeper data. Last reviewed November 5, 2026.