Søndergaard started his career with English Premier League side Wolves after receiving interest from Milan in the Italian Serie A.
[11] On 17 February 2023, Søndergaard joined Swansea City on a short-term deal.
[12][13] In October 2023, Søndergaard joined Icelandic Besta deild karla club Vestri.
[14] Søndergaard never got to play for Vestri before signing a 3-year contract with Danish 1st Division side Hobro IK in late January.
This biographical article related to association football in Denmark, about a goalkeeper, is a stub.