Falla made her World Cup debut with a classical sprint race in Kuusamo on 29 November 2008 where she finished in 22nd place. She reached her first World Cup podium in Düsseldorf in her second ever World Cup race. With that promising start, Falla was given a spot in the individual sprint race at the 2009 FIS Nordic World Ski Championships in Liberec, but she failed to qualify for the quarter finals by finishing 39th in qualifying round. After a podium appearance in her rookie season, Falla could not make the World Cup podium for more than two years. During that span her sixth-place finish at the classical sprint in Kuusamo was helped her to secure a spot in the Norwegian Olympic team for the 2010 Winter Olympics in Vancouver. At the Olympics, she finished 20th in the individual sprint event.