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Why Hopper says you should be looking at flights for the holiday season

We may have reached the peak in the summer season but some travel experts say it isn't too early to start thinking about Christmas. Booking service Hopper says now is the best time to lock in flights for the upcoming holiday travel season. Hopper Consumer Travel Expert Liana Corwin breaks it down to Yahoo Finance's Julie Hyman, Adam Shapiro, and Rutgers University Professor Bill Rodgers.