Nov. 24, 2021
TRICARE open season ends Dec. 13
TRICARE open season is the annual period when you can enroll in or change your health care coverage for the next year. In 2021, TRICARE open season begins Nov. 8 and ends Dec. 13. Any enrollment changes you make will go into effect on Jan. 1, 2022. Open season applies to anyone enrolled in or eligible for a TRICARE Prime option or TRICARE Select.