How long does flour last once opened?
Flour (white, opened) keeps 1 year in the fridge.
Fridge
After opening
1year
Freezer
No known time
-
Pantry
6-8months
Mine has been in the fridge for
Refreeze after thawing in the fridge?
- United States
- Yes
- United Kingdom
- Only after cooking
How long does flour last in the fridge?
- White, opened1 yearAfter opening
Your fridge should be set between 0 and 5°C.
Refrigerators should be set to maintain a temperature of 40 °F or below.
Other forms
| Form | Fridge | Freezer | Pantry |
|---|---|---|---|
| White | - | - | 6-12 months |
| Whole wheat | - | - | 3-6 months |
| Whole wheat, opened | 6-8 months | - | - |
| General guidance | - | - | - |
Sources
We always show the most cautious time among official sources. Last checked: 1 October 2026.
- FoodSafety.gov Cold Food Storage Chart US
- Food Standards Agency - consumer food hygiene guidance GB
- Kansas State University Research and Extension US
- Penn State Extension US
- University of Maryland Extension US
- Clemson University Extension US
- North Dakota State University Extension US
- Ohio State University Extension US
- Virginia Cooperative Extension (Virginia Tech) US
- USDA FSIS FoodKeeper data US
- USDA FSIS Safe Food Handling and Preparation US