How to freeze milk in plastic bottles

Updated February 21, 2017

With the price of milk gradually increasing, with no signs of stopping, savvy consumers are taking to freezing milk in order to save on milk-purchasing costs. While you may be unwilling to freeze milk, it's actually a very safe process that extends the life of your milk.

Pour the milk into the plastic bottles, leaving about 1/4 inch to 1 inch of space unfilled.

Seal the tops of the bottles with airtight caps.

Place the plastic milk bottles into the freezer.


Frozen milk is good for up to 3 months. The frozen milk may turn yellowish, but the milk is still good to drink.


Not all plastic bottles are capable of being frozen. However, most grocery-store milk bottles are safe to freeze.

Things You'll Need

  • Plastic bottles and lids
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About the Author

Jay Darrington has been a professional writer since 2006, specializing in technology. He has published on several online blogs, including iTech24, iPhoneland and Tech101. He holds a Bachelor of Arts in communication technology from California State University.