 Summertime is fun time for younger Americans who say they plan to travel. Younger travelers aren't allowing their lower earnings or even debt to keep them from hitting the road. 60% of Gen Zers and 61% of Millennials say they will travel this summer. 28% of Millennials and 27% of Gen Zers say, hey, they're okay with taking on debt to have fun this summer, planning vacations that could set them back $2,000 to $4,000.