Philadelphia to Austin
PHLAUS
Fly from Philadelphia to Austin starting at USD 137 with Frontier Airlines.
Best fare available on Aug 8, 2026.
Limited seats. Better plans. Book before it's gone.
Philadelphia to Austin cheapest flights this week
Philadelphia to Austin monthly flight fare trend
Jun
No flights
Jul
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Aug
from USD 137
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Philadelphia
Philadelphia International Airport (PHL)
Philadelphia, PHL
Zone
New York
Elev
36 ft
Destination
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
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