Generally the best time to book Philadelphia to Austin flights is two months in advance. And the cheapest days to fly are Tuesdays, Wednesdays, and Saturdays. Sunday is the most expensive.
There are 16 direct flights from Philadelphia to Austin.
American Airlines provides 81 of the non-stop flights between Philadelphia and Austin.
|Airlines flying this route:||American Airlines Frontier Airlines Southwest Airlines Volaris|
|Airports in Philadelphia:||Philadelphia International Airport Trenton Mercer Airport|
|Airports in Austin:||Austin–Bergstrom International Airport|
|Average duration of direct flights:||4h11m|