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$43+ Cheap flights from Philadelphia to Austin (PHL - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Find cheap flights from Philadelphia to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Philadelphia to Austin Bergstrom are usually found in August or September, booked 77 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Philadelphia to Austin

Cheapest flights from Philadelphia to Austin
Explore the most affordable flight options available from Philadelphia to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:17 am
PHL
-
AUS
2 stops16h 07m
Multiple Airlines
Fri 3/134:14 pm
AUS
-
PHL
1 stop17h 45m
Multiple Airlines
Deal found 2/10$291
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:30 am
PHL
-
AUS
3 stops16h 23m
Spirit Airlines
Fri 2/277:15 am
AUS
-
PHL
3 stops15h 01m
Spirit Airlines
Deal found 2/10$293
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:46 pm
PHL
-
AUS
2 stops26h 07m
Spirit Airlines
Tue 3/107:15 am
AUS
-
PHL
2 stops15h 01m
Spirit Airlines
Deal found 2/10$294
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:06 am
PHL
-
AUS
1 stop13h 47m
Spirit Airlines
Sat 3/77:15 am
AUS
-
PHL
3 stops15h 01m
Spirit Airlines
Deal found 2/9$295
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:48 am
PHL
-
AUS
1 stop10h 16m
Spirit Airlines
Sun 4/56:12 am
AUS
-
PHL
1 stop25h 27m
Spirit Airlines
Deal found 2/8$296
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 am
PHL
-
AUS
1 stop11h 10m
Frontier
Sun 2/224:53 pm
AUS
-
PHL
1 stop7h 08m
Frontier
Deal found 2/8$297
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:05 am
PHL
-
AUS
1 stop11h 13m
Frontier
Fri 3/134:14 pm
AUS
-
PHL
1 stop7h 38m
Frontier
Deal found 2/9$298
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:08 pm
PHL
-
AUS
2 stops22h 24m
Multiple Airlines
Mon 3/234:59 pm
AUS
-
PHL
1 stop14h 40m
Multiple Airlines
Deal found 2/9$299
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:46 pm
PHL
-
AUS
1 stop21h 18m
Multiple Airlines
Fri 2/203:30 pm
AUS
-
PHL
2 stops31h 39m
Multiple Airlines
Deal found 2/8$300
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:57 pm
PHL
-
AUS
1 stop18h 17m
Spirit Airlines
Wed 8/1912:09 pm
AUS
-
PHL
1 stop10h 50m
Spirit Airlines
Deal found 2/9$301
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:05 am
PHL
-
AUS
1 stop11h 11m
Frontier
Sun 3/1510:58 pm
AUS
-
PHL
2 stops23h 42m
Frontier
Deal found 2/10$302
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:30 am
PHL
-
AUS
1 stop11h 34m
Spirit Airlines
Sun 2/224:59 pm
AUS
-
PHL
2 stops38h 45m
Spirit Airlines
Deal found 2/10$303

Find flight deals from Philadelphia to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(Kiwi.com)

One-way from

$43
(Super.com)

Popular in

February

Cheapest in

August

Average price

$494

Good round-trip deal

$440 or less

Good one-way deal

$459 or less
Provider with most accurate pricing for Philadelphia-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Austin Bergstrom flights.
Search Deals
From Philadelphia to Austin Bergstrom
Search Deals
One-way flight from Philadelphia to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to Austin Bergstrom.
Search Deals
Price to beat on a one-way flight from Philadelphia to Austin Bergstrom.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Philadelphia to Austin that are best for you.

Fly from

Philadelphia

Fly to

Austin

Route

Depart

Return

Price

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sat 2/14

2:00 pm-9:55 pm

2 stops8h 55m

Austin Bergstrom

Tue 2/17

6:25 am-12:35 pm

1 stop5h 10m

$309

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 2/24

6:10 am-11:00 am

1 stop5h 50m

Austin Bergstrom

Tue 2/24

12:00 pm-8:20 pm

2 stops7h 20m

$320

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 5/7

4:30 pm-10:45 pm

2 stops7h 15m

Austin Bergstrom

Sun 5/10

7:25 am-1:25 pm

1 stop5h 00m

$324

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 3/6

5:45 am-11:55 am

1 stop7h 10m

Austin Bergstrom

Mon 3/9

3:10 pm-11:35 pm

2 stops7h 25m

$328

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 4/17

2:15 pm-7:30 pm

1 stop6h 15m

Austin Bergstrom

Sun 4/19

5:30 am-1:25 pm

2 stops6h 55m

$350

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 4/24

2:15 pm-7:30 pm

1 stop6h 15m

Austin Bergstrom

Sun 4/26

5:30 am-1:25 pm

2 stops6h 55m

$350

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 5/8

12:45 pm-6:45 pm

2 stops7h 00m

Austin Bergstrom

Sun 5/10

7:25 am-1:25 pm

1 stop5h 00m

$350

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 3/30

7:05 pm-12:30 am

1 stop6h 25m

Austin Bergstrom

Fri 4/3

3:25 pm-10:45 pm

2 stops6h 20m

$350

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 3/5

8:00 am-5:05 pm

2 stops10h 05m

Austin Bergstrom

Sun 3/8

5:40 am-11:25 am

1 stop4h 45m

$371

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sat 3/21

7:45 am-12:50 pm

1 stop6h 05m

Austin Bergstrom

Sat 3/21

2:45 pm-11:25 pm

1 stop7h 40m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
1
2
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Compare providers for flights from Philadelphia to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Austin in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Austin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Austin

How far ahead should I book a flight from Philadelphia to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Austin. Price data was last updated on February 6, 2026.

To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Austin?

Currently, December is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $56). Flying from Philadelphia to Austin in July is currently the most expensive (average of $135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to AUS?

Find hourly flight availability from Philadelphia to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.

When flying from Philadelphia to Austin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 22% versus a flight in the evening.

What is the cheapest day to fly from Philadelphia to Austin?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Austin. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Philadelphia to Austin?

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated February 11, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Philadelphia to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,177 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,267 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,444 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,052 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Philadelphia to Austin?

    You will need to book a flight from Philadelphia to Austin Bergstrom if you want to fly from Philadelphia to Austin. At least 6 different airlines have flights from Philadelphia (PHL) to Austin Bergstrom (AUS) on a regular basis. There is 1 flight to Austin from the Philadelphia airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PHL to AUS to be around 3h 54m.

  • How popular is this Philadelphia to Austin flight route?

    The Philadelphia to Austin Bergstrom flight path was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Philadelphia to Austin?

    Airlines like Southwest fly from Philadelphia to Austin in about 8h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Philadelphia and Austin is about 1428 mi.

  • What are the cheapest airlines flying from Philadelphia to Austin round-trip?

    Flying on Frontier is currently your cheapest option to Austin, with prices starting at $102. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Southwest, with the lowest prices starting at $145 and $158, respectively. Users have found that Frontier is 72% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Philadelphia to Austin one-way?

    One-way options have recently been found by users for as low as $43 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $70 and Southwest from $94 one-way.

  • What are the most reliable airlines from Philadelphia to Austin?

    Consider Qatar Airways (83%), American Airlines (77%) or Aer Lingus (67%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Austin.

  • What are the cheapest flights from Philadelphia to Austin?

    The cheapest flight price from Philadelphia to Austin is $291. On average you can expect to pay $483. The most popular route, (Philadelphia - Austin Bergstrom), can usually be booked for $100.

  • Can I find deals for flights from Philadelphia to Austin that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Austin.

  • Can I find deals for business class flights from Philadelphia to Austin?

    Yes. Cheapflights offers flight deals from Philadelphia to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Austin?

    Currently, December is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $56). Flying from Philadelphia to Austin in July is currently the most expensive (average of $135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Cedar Park
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Austin

Discover the top 6 airlines that operate flights from Philadelphia to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$199FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$230FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$158Average$412FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$185Average$427FlexibilityNo cancel feeOn-time71%
DeltaCheapest$195Average$334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$790FlexibilityNo cancel feeOn-time69%

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