He currently plays for Breidablik Women, wearing the number 14 shirt. At the international level, he represents Iceland U23(w). He plays primarily as a Midfield.

Across 15 appearances in the Iceland Besta-deild kvenna 2025, asa hrafnhildur halldorsdottir registered 2 goals and 3 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.