A flight from Altoona Blair County to Philadelphia, which has 0 stops, is 318﷼ which is the least expensive round-trip domestic flight that Contour offers. For a one-way domestic Contour flight, the cheapest route is Cape Girardeau to Nashville Intl (0 stops) for 177﷼.
Contour does not have flights from Doha Hamad Intl at the moment. There are scheduled flights with Contour out of Plattsburgh Intl though (if you don’t mind flying from this airport). Flying with Allegiant Air is recommended if you still want to fly from Doha Hamad Intl.