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$59+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — PHL
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Find cheap flights from Austin to Philadelphia 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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 August, booked 67 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap 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 enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Frontier)

One-way from

$59
(Trip.com)

Popular in

April

Cheapest in

October

Average price

$453

Good round-trip deal

$448 or less

Good one-way deal

$498 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. 16% potential increase in price ($74 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 January 2026
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

Find 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 enero 15, 2026.

This Frontier deal was found by Cheapflights users on 1/15. 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.
vie. 2/1310:16 am
AUS
-
PHL
1 stop6h 39m
Frontier
dom. 2/155:42 pm
PHL
-
AUS
1 stop7h 34m
Frontier
Deal found 1/15$340
This Booking.com deal was found by Cheapflights users on 1/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/17:15 am
AUS
-
PHL
2 stops15h 01m
Spirit Airlines
dom. 3/87:46 pm
PHL
-
AUS
2 stops15h 43m
Spirit Airlines
Deal found 1/15$342
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
vie. 1/166:02 pm
AUS
-
PHL
1 stop5h 50m
Multiple Airlines
dom. 1/256:11 pm
PHL
-
AUS
1 stop17h 23m
Multiple Airlines
Deal found 1/14$344
This CheapOair deal was found by Cheapflights users on 1/14. 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.
vie. 1/166:02 pm
AUS
-
PHL
1 stop5h 50m
Frontier
sáb. 1/172:00 pm
PHL
-
AUS
1 stop29h 34m
Frontier
Deal found 1/14$352
This American Airlines deal was found by Cheapflights users on 1/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/183:35 pm
AUS
-
PHL
Nonstop3h 27m
American Airlines
mié. 2/2511:38 am
PHL
-
AUS
Nonstop4h 05m
American Airlines
Deal found 1/12$353
This deal was found by Cheapflights users on 1/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/262:20 pm
AUS
-
PHL
1 stop8h 24m
JetBlue
dom. 3/17:00 am
PHL
-
AUS
1 stop7h 20m
JetBlue
Deal found 1/14$354
This Mytrip deal was found by Cheapflights users on 1/14. 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.
vie. 2/134:59 pm
AUS
-
PHL
2 stops25h 53m
Spirit Airlines
vie. 2/205:30 am
PHL
-
AUS
3 stops16h 23m
Spirit Airlines
Deal found 1/14$357
This Frontier deal was found by Cheapflights users on 1/13. 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.
vie. 2/1310:16 am
AUS
-
PHL
1 stop6h 39m
Frontier
lun. 2/165:30 am
PHL
-
AUS
1 stop10h 05m
Frontier
Deal found 1/13$360
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
vie. 3/2710:59 am
AUS
-
PHL
2 stops12h 53m
Frontier
dom. 3/295:05 am
PHL
-
AUS
1 stop11h 14m
Frontier
Deal found 1/14$362
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
vie. 1/166:02 pm
AUS
-
PHL
1 stop5h 50m
Multiple Airlines
mar. 1/208:25 pm
PHL
-
AUS
2 stops45h 37m
Multiple Airlines
Deal found 1/14$363

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 enero 15, 2026.
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

sáb. 2/14

7:15 am-11:16 pm

3 stops15h 01m

Philadelphia

sáb. 2/21

5:30 am-8:53 pm

3 stops16h 23m

$378

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

sáb. 2/14

6:32 am-10:58 am

Nonstop3h 26m

Philadelphia

sáb. 2/21

5:05 pm-10:05 pm

1 stop6h 00m

$383

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

mar. 2/17

1:55 pm-9:55 pm

2 stops7h 00m

Philadelphia

sáb. 2/21

5:30 am-3:05 pm

2 stops10h 35m

$393

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

vie. 1/30

5:58 pm-12:52 am

1 stop5h 54m

Philadelphia

dom. 2/1

8:42 am-4:04 pm

1 stop8h 22m

$403

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

mar. 1/20

12:00 pm-8:20 pm

2 stops7h 20m

Philadelphia

mié. 1/21

5:40 am-2:00 pm

2 stops9h 20m

$416

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

mié. 4/15

7:30 am-3:55 pm

2 stops7h 25m

Philadelphia

lun. 4/20

4:30 pm-10:45 pm

2 stops7h 15m

$431

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

sáb. 3/7

6:32 am-10:58 am

Nonstop3h 26m

Philadelphia

dom. 3/8

7:14 am-1:42 pm

1 stop7h 28m

$433

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

mié. 2/18

8:50 am-5:25 pm

2 stops7h 35m

Philadelphia

dom. 2/22

3:45 pm-11:40 pm

2 stops8h 55m

$434

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

sáb. 3/7

2:20 pm-12:20 am

2 stops9h 00m

Philadelphia

vie. 3/13

5:20 am-2:00 pm

1 stop9h 40m

$438

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

jue. 2/26

10:43 am-5:11 pm

1 stop5h 28m

Philadelphia

mar. 3/3

5:31 am-11:23 am

1 stop6h 52m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 23 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
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 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 January 9, 2026.

To ensure you get the cheapest price possible for a flight from Austin to Philadelphia, you should look to book at least 48 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 $80). 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 enero 15, 2026.

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 January 10, 2026.

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 enero 15, 2026.
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
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
8,051 reviews
Southwest
8.0
Very good
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
United Airlines
7.4
Good
9,164 reviews
Southwest
8.0
Very good
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
11,136 reviews
Southwest
8.0
Very good
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
3,057 reviews
Southwest
8.0
Very good
4,258 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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 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 20m for a nonstop flight. There are 4 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 3h 26m. 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 ($102), 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 $68 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $72 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: Aer Lingus (84%), Iberia (80%), Qatar Airways (73%).

  • What are the cheapest flights from Austin to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Austin Bergstrom - Philadelphia) can be booked for $94 on average, our data indicates $616 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 $80). 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
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$220FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$215FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$158Average$325FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$171Average$415FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$345FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$272Average$554FlexibilityNo cancel feeOn-time69%

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