Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Altoona, Pennsylvania as you normally would.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Philadelphia Airport to Altoona Blair County Airport flight would often be abbreviated as a PHL to AOO flight.
|0%of flight departures||Early morningMidnight to 6 am|
|50%of flight departures||Morning6 am to noon|
|50%of flight departures||AfternoonNoon to 6 pm|
|0%of flight departures||Evening6 pm to midnight|