The French side dominated for much of the match but could not translate the possession inot goals. The scores were locked at 1-1 until late in the game when star forward Abby Wambach headed in from a corner to break the deadlock.
The French spirit was broken and another goal sealed the match for USA.
They will play the winner of the other semi-final between Japan and Sweden.
The US last won the Women’s World Cup in 1999.