Yes, you can freeze vegan corn chowder. Just make sure to let it cool completely before transferring to an airtight container leaving 1/2 inch of headspace for expansion. We recommend these multi-use freezer-safe containers (affiliate link). Freezer bags can also be used. It will keep in the freezer for up to 2 – 3 months. Thaw overnight in the refrigerator before reheating on the stovetop or in the microwave.