$239 Cheap United flights Philadelphia (PHL) to Austin (AUS)

View $239 flight on Tue, Feb 24, 2026Opens in a new window

$239 Cheap United flights Philadelphia (PHL) to Austin (AUS)

Prices were available within the past 7 days and start at $239 for one-way flights and $368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Feb 24 - Wed, Mar 4
PHL
Philadelphia
AUS
Austin
$368 Roundtrip, found 6 hours ago
$368
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Feb 24 from Philadelphia to Austin, returning Wed, Mar 4, priced at $368 found 6 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Austin (AUS)

October is typically the cheapest month to fly

From $110 - $372 per traveler.

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $292
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $292
Flights from Philadelphia (PHL) to Austin (AUS)
Origin airport
Philadelphia Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
United
Distance
2285 km
Average flight time
3 hours 25 mins