Alsie Express is a Danish virtual airline based at Sønderborg.

All flights are operated by its sister carrier, Air Alsie, as it is not an AOC holder.

[2] Alsie Express was founded in 2013, and it started operation on the route between Sønderborg and Copenhagen on June 17, 2013.

[3] The previous operator, Danish Air Transport, cancelled all fights between Sønderborg – Copenhagen a week after Alsie Express started flying the route.

[4] In January 2021, Alsie Express announced the suspension of its scheduled services until late March 2021 in the wake of the COVID-19 pandemic.