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$44+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — PHL
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 48 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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/134:14 pm
AUS
-
PHL
1 stop7h 38m
Frontier
Sun 3/226:00 am
PHL
-
AUS
1 stop28h 36m
Frontier
Deal found 2/6$216
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 2/207:15 am
AUS
-
PHL
1 stop14h 24m
Multiple Airlines
Sun 2/225:51 pm
PHL
-
AUS
1 stop17h 38m
Multiple Airlines
Deal found 2/9$217
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/177:15 am
AUS
-
PHL
1 stop24h 29m
Multiple Airlines
Fri 2/2010:59 pm
PHL
-
AUS
2 stops22h 54m
Multiple Airlines
Deal found 2/7$218
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/2711:34 am
AUS
-
PHL
1 stop8h 17m
Multiple Airlines
Mon 3/28:06 am
PHL
-
AUS
2 stops11h 56m
Multiple Airlines
Deal found 2/6$219
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.
Mon 3/96:00 am
AUS
-
PHL
2 stops31h 07m
Multiple Airlines
Mon 3/166:08 pm
PHL
-
AUS
1 stop7h 16m
Multiple Airlines
Deal found 2/8$220
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/15:48 pm
AUS
-
PHL
2 stops20h 59m
Frontier
Thu 3/56:54 pm
PHL
-
AUS
1 stop21h 22m
Frontier
Deal found 2/6$221
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/264:59 pm
AUS
-
PHL
1 stop18h 14m
Multiple Airlines
Mon 3/305:30 am
PHL
-
AUS
2 stops34h 46m
Multiple Airlines
Deal found 2/6$222
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:12 am
AUS
-
PHL
1 stop25h 27m
Spirit Airlines
Mon 3/306:08 pm
PHL
-
AUS
1 stop22h 56m
Spirit Airlines
Deal found 2/9$223
This Mytrip deal was found by Cheapflights users on 2/7. 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 3/46:10 am
AUS
-
PHL
3 stops25h 34m
Spirit Airlines
Sat 3/77:46 pm
PHL
-
AUS
2 stops14h 43m
Spirit Airlines
Deal found 2/7$224
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/187:15 am
AUS
-
PHL
1 stop24h 35m
Multiple Airlines
Thu 2/198:59 pm
PHL
-
AUS
2 stops18h 25m
Multiple Airlines
Deal found 2/6$225
This Mytrip deal was found by Cheapflights users on 2/5. 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 2/247:15 am
AUS
-
PHL
3 stops15h 01m
Spirit Airlines
Wed 2/255:26 pm
PHL
-
AUS
2 stops23h 38m
Spirit Airlines
Deal found 2/5$227
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:15 am
AUS
-
PHL
2 stops15h 01m
Spirit Airlines
Sun 3/17:46 pm
PHL
-
AUS
2 stops15h 43m
Spirit Airlines
Deal found 2/8$228

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$44
(CheapOair)

Popular in

February

Cheapest in

October

Average price

$485

Good round-trip deal

$470 or less

Good one-way deal

$386 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. 17% potential increase in price ($82 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 February 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

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 February 9, 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

Fri 2/27

11:34 am-8:51 pm

1 stop8h 17m

Philadelphia

Mon 3/2

8:06 am-7:02 pm

2 stops11h 56m

$219

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 4/26

8:36 pm-7:41 am

1 stop10h 05m

Philadelphia

Thu 4/30

9:17 am-4:45 pm

1 stop8h 28m

$225

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 2/21

12:55 pm-10:50 pm

1 stop8h 55m

Philadelphia

Mon 2/23

5:25 am-2:20 pm

2 stops9h 55m

$236

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 2/19

7:15 am-4:50 pm

1 stop8h 35m

Philadelphia

Thu 2/26

5:30 am-3:40 pm

1 stop11h 10m

$237

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 4/4

5:35 am-11:35 am

1 stop5h 00m

Philadelphia

Sun 4/5

6:15 pm-11:30 pm

1 stop6h 15m

$261

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 3/28

2:20 pm-11:25 pm

2 stops8h 05m

Philadelphia

Sat 4/4

8:35 am-3:50 pm

1 stop8h 15m

$266

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 3/14

4:27 pm-12:52 am

1 stop7h 25m

Philadelphia

Sun 3/15

7:04 pm-3:16 pm

1 stop21h 12m

$276

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Mon 2/23

6:25 am-12:35 pm

1 stop5h 10m

Philadelphia

Thu 2/26

5:15 am-10:45 am

1 stop6h 30m

$285

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 2/22

4:53 pm-1:01 am

1 stop7h 08m

Philadelphia

Thu 2/26

5:30 am-3:40 pm

1 stop11h 10m

$297

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 3/17

4:59 pm-4:09 pm

1 stop22h 10m

Philadelphia

Fri 3/20

6:08 pm-3:32 pm

2 stops22h 24m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Philadelphia flight deals on Cheapflights vs. FlightHub >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 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 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 February 6, 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 February 9, 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 80% 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 February 7, 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
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

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

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 February 9, 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
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
4,282 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
8,174 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
United Airlines
7.4
Good
9,259 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
11,258 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
3,051 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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 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 27m 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 55m. 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: Qatar Airways (83%), Iberia (82%), American Airlines (78%).

  • What are the cheapest flights from Austin to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $301. While the most popular route (Austin Bergstrom - Philadelphia) can be booked for $114 on average, our data indicates $579 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
Glen Mills
Newark

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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$174FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$215FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$158Average$322FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$170Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$341FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$272Average$554FlexibilityNo cancel feeOn-time69%

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