In 2011, Sandra signed for Swedish Damallsvenskan team Jitex BK. A contract dispute followed and Sandra quickly left, but she was not allowed to play for Stjarnan again until FIFA ruled in her favour.[2] In 2016, Sandra signed for Valur. In June 2017, she became the Úrvalsdeild kvenna all-time leader in matches played, after breaking Sigurlín Jónsdóttir's 18-year-old record of 233 matches.[3] In May 2021, she broke the 300 match barrier.[4]
In March 2023, she announced her retirement from football.[1] In end of June, she returned to football and was sent on a loan to Grindavík for two games. Following the loan, she returned to Valur's roster.[5]
International career
Sandra made her senior Iceland debut in a 3–0 defeat by the United States in July 2005.[6] She was seen as the national team's third choice goalkeeper behind Þóra Björg Helgadóttir and Guðbjörg Gunnarsdóttir and collected five more caps during the next five years.