Money Open enrollment 2021: You may be able to carry over unused FSA funds of up to $550 December 2, 2020December 2, 2020 Jessica Menton, USA TODAY Comments Off on Open enrollment 2021: You may be able to carry over unused FSA funds of up to $550 If you already have a flexible spending account, don't forget that some plans may allow you to carry over more in unused funds next year.