$66 Cheap Flights from Philadelphia to Austin
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
Swipe up to view more
>
>
>
>
>
Flights from Philadelphia to Austin
Cheap flight deals from Philadelphia to Austin Starting at $66
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
-
Round-trip
-
One way
-
-
Cheapest nonstop
PHL 7:45 AM3h 49mNonstopAUS 10:34 AMPhiladelphia - Austin | Thu, May 22 | Frontier Airlines
AUS 11:30 AM3h 36mNonstopPHL 4:06 PMAustin - Philadelphia | Tue, May 27 | Frontier Airlines$239 $30622% OFF22% OFF$306 $239 -
PHL 10:55 AM3h 59mNonstopAUS 1:54 PMPhiladelphia - Austin | Tue, Apr 8 | American Airlines
AUS 8:10 AM3h 26mNonstopPHL 12:36 PMAustin - Philadelphia | Tue, Apr 15 | American Airlines$245 $30620% OFF20% OFF$306 $245 -
PHL 7:00 AM8h 21m1 stopsAUS 2:21 PMPhiladelphia - Austin | Tue, Apr 1 | Frontier Airlines
AUS 10:11 PM31h 36m1 stopsPHL 6:47 AMAustin - Philadelphia | Tue, Apr 8 | Frontier Airlines$118 $30661% OFF61% OFF$306 $118
-
PHL 5:05 AM14h 56m1 stopsAUS 7:01 PMPhiladelphia - Austin | Thu, Apr 24 | Frontier Airlines
AUS 4:41 PM13h 6m1 stopsPHL 6:47 AMAustin - Philadelphia | Tue, Apr 29 | Frontier Airlines$12360% OFF$306 $123
-
PHL 5:30 AM6h 11m1 stopsAUS 10:41 AMPhiladelphia - Austin | Mon, May 5 | Frontier Airlines
AUS 4:41 PM13h 11m1 stopsPHL 6:52 AMAustin - Philadelphia | Mon, May 5 | Frontier Airlines$13755% OFF$306 $137
-
PHL 7:00 AM8h 21m1 stopsAUS 2:21 PMPhiladelphia - Austin | Tue, Apr 8 | Frontier Airlines
AUS 12:12 PM16h 19m1 stopsPHL 5:31 AMAustin - Philadelphia | Fri, Apr 11 | Frontier Airlines$13955% OFF$306 $139
-
PHL 7:10 AM10h 43m1 stopsAUS 4:53 PMPhiladelphia - Austin | Sat, Mar 29 | Frontier Airlines
AUS 8:35 PM7h 56m1 stopsPHL 5:31 AMAustin - Philadelphia | Sat, Apr 5 | Frontier Airlines$14254% OFF$306 $142
-
PHL 6:45 AM17h 47m1 stopsAUS 11:32 PMPhiladelphia - Austin | Tue, Mar 25 | Frontier Airlines
AUS 10:04 AM8h 53m1 stopsPHL 7:57 PMAustin - Philadelphia | Thu, Mar 27 | Frontier Airlines$14353% OFF$306 $143
-
PHL 6:54 PM22h 38m1 stopsAUS 4:32 PMPhiladelphia - Austin | Sat, May 3 | Frontier Airlines
AUS 8:45 PM9h 51m1 stopsPHL 7:36 AMAustin - Philadelphia | Thu, May 8 | Frontier Airlines$14353% OFF$306 $143
-
TTN 6:18 PM15h 24m1 stopsAUS 8:42 AMPhiladelphia - Austin | Mon, Apr 7 | Frontier Airlines
AUS 12:12 PM16h 19m1 stopsPHL 5:31 AMAustin - Philadelphia | Fri, Apr 11 | Frontier Airlines$14851% OFF$306 $148
-
TTN 1:42 PM7h 13m1 stopsAUS 7:55 PMPhiladelphia - Austin | Sun, May 4 | Frontier Airlines
AUS 8:45 PM26h 7m1 stopsTTN 11:52 PMAustin - Philadelphia | Thu, May 8 | Frontier Airlines$16746% OFF$306 $167
-
PHL 6:45 PM21h 56m1 stopsAUS 3:41 PMPhiladelphia - Austin | Wed, Apr 23 | Frontier Airlines
AUS 11:49 AM12h 6m1 stopsPHL 12:55 AMAustin - Philadelphia | Fri, Apr 25 | Frontier Airlines$16745% OFF$306 $167
-
PHL 1:00 PM17h 25m1 stopsAUS Invalid DatePhiladelphia - Austin | Thu, Mar 27 | Normal Airline
AUS 3:00 PM6hNonstopPHL 4:00 PMAustin - Philadelphia | Sat, Mar 29 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstop
PHL 7:45 AM3h 49mNonstopAUS 10:34 AMPhiladelphia - Austin | Thu, May 22 | Frontier Airlines$84 $11928% OFF28% OFF$119 $84
-
PHL 4:16 PM17h 31m1 stopsAUS 8:47 AMPhiladelphia - Austin | Wed, Apr 2 | Frontier Airlines$66 $11944% OFF44% OFF$119 $66
-
PHL 10:59 PM10h 43m1 stopsAUS 8:42 AMPhiladelphia - Austin | Mon, Apr 14 | Frontier Airlines$67 $11944% OFF44% OFF$119 $67
-
PHL 7:00 AM8h 18m1 stopsAUS 2:18 PMPhiladelphia - Austin | Tue, Apr 8 | Frontier Airlines$7437% OFF$119 $74
-
PHL 6:40 AM7h 18m1 stopsAUS 12:58 PMPhiladelphia - Austin | Thu, Apr 3 | Frontier Airlines$7933% OFF$119 $79
-
PHL 2:10 PM19h 54m1 stopsAUS 9:04 AMPhiladelphia - Austin | Wed, Mar 26 | Frontier Airlines$8132% OFF$119 $81
-
PHL 6:39 PM15h 11m1 stopsAUS 8:50 AMPhiladelphia - Austin | Sat, May 3 | Frontier Airlines$8231% OFF$119 $82
-
PHL 8:35 AM25h 7m1 stopsAUS 8:42 AMPhiladelphia - Austin | Mon, Mar 31 | Frontier Airlines$8826% OFF$119 $88
-
TTN 6:45 AM13h 12m1 stopsAUS 6:57 PMPhiladelphia - Austin | Wed, Apr 23 | Frontier Airlines$9520% OFF$119 $95
-
PHL 6:34 PM20h 50m1 stopsAUS 2:24 PMPhiladelphia - Austin | Wed, Mar 26 | Spirit Airlines$9520% OFF$119 $95 -
PHL 1:00 PM17h 25m1 stopsAUS Invalid DatePhiladelphia - Austin | Thu, Mar 27 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
When is the cheapest time to fly from Philadelphia to Austin?
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from Philadelphia to Austin
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frequently Asked Questions
-
When are flight tickets from Philadelphia (PHL) to Austin (AUS) the cheapest?
Airlines adjust prices for flights from Philadelphia to Austin based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Philadelphia (PHL) to Austin (AUS) cost?
According to Trip.com's data, the lowest price is around $953. -
How long does it take to fly from Philadelphia (PHL) to Austin (AUS) and what is the distance?
It takes around 3 hours 58 minutes to fly from Philadelphia (PHL) to Austin (AUS). -
What are the most popular airlines that fly from Philadelphia (PHL) to Austin (AUS)?
Airlines with flights from Philadelphia (PHL) to Austin (AUS): Aer Lingus, American Airlines, Qatar Airways and Iberia.
How to find a cheap flight from Philadelphia to Austin
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Austin. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Philadelphia to Austin ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Philadelphia to Austin for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $84 for a one-way ticket on Thu, May 22.
Compare cheap Philadelphia to Austin flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Philadelphia to Austin. The most affordable airline currently operating on this route is Frontier Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Philadelphia to Austin route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Philadelphia to Austin flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Philadelphia to Austin to access exclusive deals just for you.
Flight Info | Philadelphia to Austin
| Cheapest one-way flight price | $59 |
|---|---|
| Cheapest round-trip ticket price | $199 |
| Off-season for travel | March |
| Peak season for travel | December |
| Flight distance | 2,302.69 km |
| Average flight time | 3 hours 58 minutes |
| Popular airline | Frontier Airlines |
Plan Your Trip Around Austin
More Travel Options
-
Top Routes from Philadelphia
-
Top Routes to Austin
-
Popular Airlines
- Philadelphia to Fort Lauderdale Flights
- Philadelphia to Denver Flights
- Philadelphia to Miami Flights
- Philadelphia to Las Vegas Flights
- Philadelphia to Nashville Flights
- Philadelphia to Boston Flights
- Philadelphia to Atlanta Flights
- Philadelphia to Houston Flights
- Philadelphia to Orlando Flights
- Philadelphia to New Orleans Flights
- American Airlines
- Southwest Airlines
- United Airlines
- Delta AirLines
- Alaska Airlines
- Frontier Airlines
- Spirit Airlines
- Hawaiian Airlines
- Breeze Airways
- Allegiant Air
- Sun Country Airlines
- Jetblue
- Air Canada
- WestJet
- Aeroméxico
- ITA Airways
- Lufthansa
- Iberia
- Air New Zealand
- Qantas
- Thai Airways
- All Nippon Airways
- Air China
- Cathay Pacific
- Air India