Log in to your Six Flags account
Go to the Membership or Account Management section
Find the option to cancel, freeze, or manage your membership
Follow the on-screen cancellation steps
If no online cancellation option is available, contact Six Flags Member Services
Call the park or membership support number listed on your account or billing statement
Provide your membership details and request cancellation
Ask for a confirmation number or cancellation email
Check your bank or card statements to confirm billing has stopped
Return or deactivate any membership cards if instructed by Six Flags