Vasara represented Finland U21 in the Under 21 European Championships in 2009. He made two crucial goals as a substitute in his U-21 debut match against Austria in the qualifying play-off second leg to take the tie into extra time. Vasara was chosen to the Veikkausliiga team of the Month for September 2014. In January 2015 he signed two-year deal with Seinäjoen Jalkapallokerho.
Personal
He is the younger brother of former Finland international player Vesa Vasara.