On 3 February 2013, Jacqueline Seifriedsberger won her first World Cup competition in Sapporo after finishing second the day before.

At the Nordic World Ski Championships 2013 in Val di Fiemme she won the bronze medal in the individual competition.

With her teammates Chiara Hölzl, Gregor Schlierenzauer and Thomas Morgenstern, she won the silver medal in the mixed competition.

Jacqueline Seifriedsberger missed the Winter Olympic Games 2014 in Sochi due to a knee injury obtained during training in Hinterzarten.

[1] At the Nordic World Ski Championships 2017 in Lahti, she won her second silver medal in the mixed competition after 2013; this time together with her teammates Daniela Iraschko-Stolz, Michael Hayböck and Stefan Kraft.