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$90+ Cheap flights from Austin to Philadelphia (AUS - PHL)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — PHL
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Find cheap flights from Austin to Philadelphia with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Austin Bergstrom to Philadelphia are usually found in October or September, booked 42 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Austin to Philadelphia

Cheapest flights from Austin to Philadelphia
Explore the most affordable flight options available from Austin to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:30 amAUS - PHL
1 stop8h 14mSpirit Airlines
Wed 12/104:00 pmPHL - AUS
1 stop7h 21mSpirit Airlines
Deal found 12/2$174
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1210:48 amAUS - PHL
1 stop11h 09mFrontier
Sun 12/1411:07 amPHL - AUS
1 stop23h 16mFrontier
Deal found 12/1$175
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/95:30 amAUS - PHL
1 stop16h 06mMultiple Airlines
Thu 12/1110:22 amPHL - AUS
1 stop24h 31mMultiple Airlines
Deal found 12/2$178
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Mon 12/810:18 amAUS - PHL
2 stops46h 29mFrontier
Thu 12/1111:07 amPHL - AUS
1 stop23h 46mFrontier
Deal found 12/2$180
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/165:30 amAUS - PHL
1 stop8h 28mMultiple Airlines
Fri 12/198:54 pmPHL - AUS
1 stop29h 04mMultiple Airlines
Deal found 12/2$181
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Mon 12/810:18 amAUS - PHL
2 stops46h 29mMultiple Airlines
Fri 12/128:00 amPHL - AUS
1 stop15h 21mMultiple Airlines
Deal found 11/30$182
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/165:30 amAUS - PHL
1 stop8h 28mMultiple Airlines
Thu 1/15:30 amPHL - AUS
1 stop20h 28mMultiple Airlines
Deal found 12/2$186
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Mon 12/156:08 pmAUS - PHL
1 stop5h 43mFrontier
Mon 1/58:36 pmPHL - AUS
1 stop27h 20mFrontier
Deal found 12/2$189
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Mon 12/156:08 pmAUS - PHL
1 stop5h 43mFrontier
Sun 1/48:36 pmPHL - AUS
1 stop28h 38mFrontier
Deal found 12/2$190
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Mon 12/156:08 pmAUS - PHL
1 stop5h 43mMultiple Airlines
Wed 1/78:54 pmPHL - AUS
1 stop14h 40mMultiple Airlines
Deal found 12/2$191
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/165:30 amAUS - PHL
1 stop8h 28mMultiple Airlines
Wed 12/318:00 amPHL - AUS
1 stop14h 57mMultiple Airlines
Deal found 12/2$194
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/95:30 amAUS - PHL
1 stop8h 28mMultiple Airlines
Fri 12/128:36 pmPHL - AUS
1 stop28h 38mMultiple Airlines
Deal found 11/30$195

Find flight deals from Austin to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Philadelphia (PHL). 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$172
(Mytrip)

One-way from

$90
(Super.com)

Popular in

April

Cheapest in

October

Average price

$473

Good round-trip deal

$398 or less

Good one-way deal

$226 or less
Provider with most accurate pricing for Austin Bergstrom-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Philadelphia flights.
Search Deals
From Austin Bergstrom to Philadelphia
Search Deals
One-way flight from Austin Bergstrom to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Austin Bergstrom to Philadelphia.
Search Deals
Price to beat on a one-way flight from Austin Bergstrom to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Philadelphia 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 December 3, 2025.
Use the filters below to find and compare flights from Austin to Philadelphia that are best for you.

Fly from

Austin

Fly to

Philadelphia

Route

Depart

Return

Price

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 1/23

4:59 pm-8:01 pm

3 stops26h 02m

Philadelphia

Sun 1/25

8:20 am-9:35 pm

1 stop14h 15m

$216

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 2/11

7:25 am-5:05 pm

2 stops8h 40m

Philadelphia

Sat 2/14

5:55 am-1:00 pm

2 stops8h 05m

$254

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 12/9

6:55 am-9:47 am

2 stops25h 52m

Philadelphia

Fri 12/12

5:30 am-5:13 pm

1 stop12h 43m

$264

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 12/10

5:30 am-2:58 pm

1 stop8h 28m

Philadelphia

Sat 12/13

10:00 pm-9:43 am

1 stop12h 43m

$268

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 1/2

6:05 pm-11:15 pm

2 stops28h 10m

Philadelphia

Thu 1/22

8:20 am-9:35 pm

1 stop14h 15m

$269

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 12/10

5:30 am-2:58 pm

1 stop8h 28m

Philadelphia

Wed 12/10

6:32 pm-12:08 pm

2 stops18h 36m

$279

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 1/1

6:45 am-5:31 am

1 stop21h 46m

Philadelphia

Sun 1/4

8:36 pm-12:14 am

1 stop28h 38m

$284

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 12/7

6:08 pm-12:51 am

1 stop5h 43m

Philadelphia

Thu 12/11

10:22 am-9:53 am

1 stop24h 31m

$289

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 1/10

7:10 am-1:10 pm

1 stop5h 00m

Philadelphia

Mon 1/19

5:25 am-1:05 pm

2 stops8h 40m

$316

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 12/7

6:08 pm-12:51 am

1 stop5h 43m

Philadelphia

Tue 12/9

8:00 am-10:21 pm

1 stop15h 21m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Austin to Philadelphia

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 Austin to Philadelphia in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Austin-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams 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 Austin-Philadelphia 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 Austin to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Austin 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 Austin to Philadelphia

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Philadelphia. Price data was last updated on November 28, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Philadelphia, you should look to book at least 42 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 Austin to Philadelphia?

Currently, January is the cheapest month in which you can book a flight from Austin to Philadelphia (average of $98). Flying from Austin to Philadelphia in July is currently the most expensive (average of $162). 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 AUS to PHL?

Find hourly flight availability from Austin to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

One of the essential ways to save on airfare from Austin to Philadelphia is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 81% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Austin to Philadelphia. Price data was last updated on November 29, 2025.

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

The best insider tips for Austin to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Philadelphia trip
Airports
AUS

Expect long lines at AUS due to high traffic. Arrive early to avoid missing your flight, especially during the morning rush.

Read more about AUSby Ramsey Qubein
PHL

For quick access to downtown, take SEPTA from PHL. It's efficient, with stations near Terminals A, B, C/D, and E/F.

Read more about PHLby Mark Chesnut
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated December 3, 2025.
Read through reviews of airlines operating flights from Austin to Philadelphia, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,063 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,094 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Austin to Philadelphia. 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 Austin to Philadelphia?

    If you book a flight from Austin to Philadelphia, you will be flying from Austin Bergstrom to Philadelphia. Flights to Philadelphia (PHL) from Austin Bergstrom (AUS) take 3h 21m for a nonstop flight. There are 3 flights from Austin Bergstrom to Philadelphia per day from 6 airlines.

  • How popular is this Austin to Philadelphia flight route?

    Within the past month, 11 users have taken a look at flights from Austin Bergstrom to Philadelphia.

  • How long is the flight from Austin to Philadelphia?

    Departing from Austin to Philadelphia will take you 8h 40m. The distance between Austin and Philadelphia is about 1428 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Spirit Airlines ($81), Frontier ($104), and Southwest ($158) offers the cheapest pricing from Austin to Philadelphia. Spirit Airlines is currently priced 79% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $70 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $83 and Southwest from $94 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Austin to Philadelphia on time: Qatar Airways (78%), Aer Lingus (77%), Frontier (75%).

  • What are the cheapest flights from Austin to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Austin Bergstrom - Philadelphia) can be booked for $128 on average, our data indicates $431 when flying from Austin to Philadelphia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Philadelphia 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 Austin to Philadelphia?

    Currently, January is the cheapest month in which you can book a flight from Austin to Philadelphia (average of $98). Flying from Austin to Philadelphia in July is currently the most expensive (average of $162). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Austin to Philadelphia

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

Discover the top 6 airlines that operate flights from Austin to Philadelphia. 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$220FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$127Average$220FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$158Average$338FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$171Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$347FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$272Average$554FlexibilityNo cancel feeOn-time69%

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