Flights to Chicago from Los Angeles launched by Virgin America

California-based Virgin America has announced plans to add new routes to Chicago's O'Hare International Airport, with introductory one-way fares that start at $99.The daily nonstop flights from Los Angeles International Airport and San Francisco start May 25.To take advantage of the introductory rates, passengers should move quickly and read the fine print.Virgin America originally announced plans to serve O'Hare in 2008, but the plans were delayed due to lack of gate availability.