No such setting exists when you are entering in your departure airport, arrival airport, dates and times, but once you get to the results page/availability screen, you can use the matrix to view only nonstop flights by hovering over and clicking on 'Nonstop' and it will give you just the nonstop flight options.
To review a list of known issues we are working on please visit our Workday Finance status page. Have something additional to report? Contact askfinance@virginia.edu