Flu Season End Date 2024. The recommendations issued are used by the national vaccine regulatory agencies and pharmaceutical companies to develop, produce, and license influenza vaccines for the following influenza season. Vaccination should ideally be completed by the end of october, though it should be offered throughout the season if influenza viruses continue to circulate.

But when it comes to flu season, the cdc says flu cases typically start to rise in october and peak between december and february. In the united states, flu season usually occurs in the fall and winter.