Raleigh to Philadelphia

This nonstop Frontier fare from Raleigh-Durham to Philadelphia usually runs around $342, so $76 is a rare drop that sits close to the $63 record low on this route. It is a fast, cheap way to visit family, catch a show, or connect onward up the East Coast, with availability showing into the fall. Fares this close to the all-time low on a nonstop routing are unusual, making this one of the most efficient cheap seats in today's roundup.