Go to https://www.airbnb.com/users/settings and click “Delete my account”. Then follow the instructions and click the red button to confirm.
Direct removal link: https://www.airbnb.com/users/settings/
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Airbnb using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Airbnb. Click here to find out how.