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$80+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Find cheap flights from Philadelphia to Austin with Cheapflights

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Cheapflights Tip: The best prices from Philadelphia to Austin Bergstrom are usually found in August or September, booked 74 days in advance, depart on a Thursday or Wednesday 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 April 29, 2026.

This Frontier deal was found by Cheapflights users on 4/28. 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 6/46:30 am
PHL
-
AUS
1 stop11h 22m
Frontier
Sun 6/75:47 pm
AUS
-
PHL
1 stop12h 25m
Frontier
Deal found 4/28$230
This Frontier deal was found by Cheapflights users on 4/28. 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.
Wed 5/208:35 pm
PHL
-
AUS
1 stop14h 08m
Frontier
Wed 5/271:59 pm
AUS
-
PHL
1 stop7h 11m
Frontier
Deal found 4/28$231
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:10 pm
PHL
-
AUS
1 stop17h 23m
Frontier
Mon 5/189:13 pm
AUS
-
PHL
1 stop7h 24m
Frontier
Deal found 4/28$232
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:30 am
PHL
-
AUS
1 stop9h 02m
Frontier
Wed 6/108:15 pm
AUS
-
PHL
1 stop14h 32m
Frontier
Deal found 4/25$236
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:13 pm
PHL
-
AUS
1 stop27h 40m
Frontier
Tue 5/129:13 pm
AUS
-
PHL
1 stop7h 24m
Frontier
Deal found 4/28$237
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Tue 5/198:45 am
PHL
-
AUS
2 stops26h 50m
Multiple Airlines
Thu 5/2810:28 am
AUS
-
PHL
1 stop18h 09m
Multiple Airlines
Deal found 4/24$238
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/308:00 am
PHL
-
AUS
2 stops29h 45m
Frontier
Sat 7/412:44 pm
AUS
-
PHL
1 stop8h 45m
Frontier
Deal found 4/25$239
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 6/216:45 pm
PHL
-
AUS
1 stop14h 03m
Multiple Airlines
Tue 7/75:38 pm
AUS
-
PHL
2 stops30h 01m
Multiple Airlines
Deal found 4/24$241
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/278:35 pm
PHL
-
AUS
1 stop14h 08m
Frontier
Wed 6/39:13 pm
AUS
-
PHL
2 stops21h 05m
Frontier
Deal found 4/26$242
This Frontier deal was found by Cheapflights users on 4/28. 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.
Fri 6/126:30 am
PHL
-
AUS
1 stop7h 15m
Frontier
Sat 6/1312:44 pm
AUS
-
PHL
1 stop8h 45m
Frontier
Deal found 4/28$244
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:35 pm
PHL
-
AUS
1 stop24h 43m
Frontier
Sun 5/179:13 pm
AUS
-
PHL
1 stop7h 24m
Frontier
Deal found 4/26$245

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Frontier)

One-way from

$80
(Frontier)

Popular in

March

Cheapest in

August

Average price

$480

Good round-trip deal

$463 or less

Good one-way deal

$502 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 ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 29, 2026.
Use the filters below to find and compare flights from Philadelphia to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 5/19

2:00 pm-9:40 pm

2 stops8h 40m

Austin Bergstrom

Tue 5/26

1:45 pm-10:00 pm

2 stops7h 15m

$427
Quickest round-trip

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 5/26

6:20 am-12:00 pm

2 stops6h 40m

Austin Bergstrom

Tue 5/26

1:45 pm-10:00 pm

2 stops7h 15m

$443

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sat 6/6

11:25 am-8:45 pm

2 stops10h 20m

Austin Bergstrom

Mon 6/8

12:35 pm-12:40 am

2 stops11h 05m

$445

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 6/5

9:00 am-4:15 pm

2 stops8h 15m

Austin Bergstrom

Tue 6/9

2:40 pm-10:20 pm

2 stops6h 40m

$450

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 5/12

6:20 am-12:00 pm

2 stops6h 40m

Austin Bergstrom

Mon 5/18

8:00 am-4:45 pm

2 stops7h 45m

$460

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 6/8

6:05 am-12:05 pm

2 stops7h 00m

Austin Bergstrom

Thu 6/11

9:15 am-6:20 pm

2 stops8h 05m

$460

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 5/6

6:20 am-1:35 pm

2 stops8h 15m

Austin Bergstrom

Mon 5/11

8:00 am-4:45 pm

2 stops7h 45m

$473

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 7/9

11:20 am-6:40 pm

2 stops8h 20m

Austin Bergstrom

Sun 7/12

8:55 am-6:30 pm

2 stops8h 35m

$508

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 6/18

11:20 am-6:40 pm

2 stops8h 20m

Austin Bergstrom

Mon 6/22

12:35 pm-12:40 am

2 stops11h 05m

$508

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 5/26

11:38 am-9:25 pm

2 stops10h 47m

Austin Bergstrom

Sat 5/30

5:24 pm-12:59 am

1 stop6h 35m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust 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?

To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 73 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, August is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $216). Flying from Philadelphia to Austin in March is currently the most expensive (average of $483). 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 April 29, 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 26% 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 April 25, 2026.

Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday afternoons 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 April 29, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican 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
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,314 reviews
Southwest
8.0
Very good
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Delta
7.9
Good
8,465 reviews
Southwest
8.0
Very good
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,678 reviews
Southwest
8.0
Very good
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Spirit Airlines
6.3
Okay
8,631 reviews
Southwest
8.0
Very good
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
2,970 reviews
Southwest
8.0
Very good
4,314 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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.

  • How popular is this Philadelphia to Austin flight route?

    The Philadelphia to Austin Bergstrom flight path was viewed by 26 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 40m. 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 $103. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Southwest, with the lowest prices starting at $132 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 JetBlue from $50 and Frontier from $69 one-way.

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

    Consider Republic Airways (88%), American Airlines (80%) or Aer Lingus (71%) 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 $321. On average you can expect to pay $529. The most popular route, (Philadelphia - Austin Bergstrom), can usually be booked for $232.

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $216). Flying from Philadelphia to Austin in March is currently the most expensive (average of $483). 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
Round Rock
San Marcos
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay

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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 7 airlines flying from Philadelphia to Austin

Discover the top 7 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$201FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$132Average$198FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$158Average$403FlexibilityNo cancel feeOn-time63%
DeltaCheapest$185Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$436FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$738FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$295Average$466FlexibilityNo cancel feeOn-time62%

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