How popular is this Austin to Philadelphia flight route?

Within the past month, 12 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 $69 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $70 and Southwest from $94 one-way.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 $113 on average, our data indicates $497 when flying from Austin to Philadelphia.

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 (87%), Qatar Airways (81%), Iberia (80%).

What are the most popular airlines that fly from Austin to Philadelphia?

When booking a flight from Austin to Philadelphia, you may want to consider flying on American Airlines, Frontier or Southwest as they are the most popular for this route.

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.

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 3 flights from Austin Bergstrom to Philadelphia per day from 6 airlines.

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.

$92+ Flights from Austin to Philadelphia

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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 September, booked 67 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 18, 2025.

Mon 12/295:30 amAUS - PHL

1 stop29h 55mMultiple Airlines

Mon 1/58:54 pmPHL - AUS

1 stop29h 04mMultiple Airlines

Deal found 12/16

$233

Mon 12/295:30 amAUS - PHL

1 stop26h 37mSpirit Airlines

Mon 1/58:54 pmPHL - AUS

1 stop29h 04mSpirit Airlines

Deal found 12/17

$234

Mon 12/227:22 pmAUS - PHL

1 stop9h 18mMultiple Airlines

Wed 1/78:54 pmPHL - AUS

1 stop14h 40mMultiple Airlines

Deal found 12/16

$238

Fri 12/266:05 pmAUS - PHL

1 stop5h 36mMultiple Airlines

Thu 1/14:32 pmPHL - AUS

1 stop6h 57mMultiple Airlines

Deal found 12/17

$242

Thu 12/256:45 amAUS - PHL

1 stop21h 46mMultiple Airlines

Wed 1/78:54 pmPHL - AUS

1 stop14h 40mMultiple Airlines

Deal found 12/16

$244

Mon 12/295:30 amAUS - PHL

1 stop29h 55mMultiple Airlines

Sun 1/48:36 pmPHL - AUS

1 stop28h 38mMultiple Airlines

Deal found 12/16

$255

Mon 12/227:22 pmAUS - PHL

1 stop9h 18mMultiple Airlines

Tue 1/612:43 pmPHL - AUS

1 stop13h 15mMultiple Airlines

Deal found 12/16

$256

Thu 12/256:45 amAUS - PHL

1 stop21h 46mMultiple Airlines

Tue 1/131:40 pmPHL - AUS

1 stop8h 55mMultiple Airlines

Deal found 12/17

$257

Mon 12/227:22 pmAUS - PHL

1 stop9h 18mFrontier

Sun 1/48:36 pmPHL - AUS

1 stop28h 38mFrontier

Deal found 12/16

$261

Thu 12/256:45 amAUS - PHL

1 stop21h 46mMultiple Airlines

Tue 1/64:25 pmPHL - AUS

1 stop9h 33mMultiple Airlines

Deal found 12/16

$262

Best flights from Austin to Philadelphia
Discover carefully curated flight deals from Austin to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sun 1/116:05 pmAUS - PHL

1 stop5h 46mMultiple Airlines

Sun 1/1812:24 pmPHL - AUS

1 stop10h 11mMultiple Airlines

Deal found 12/17

$227

Wed 1/216:00 amAUS - PHL

1 stop28h 25mJetBlue

Mon 1/267:00 amPHL - AUS

1 stop16h 17mJetBlue

Deal found 12/17

$248

Wed 1/217:25 amAUS - PHL

2 stops8h 40mSouthwest

Wed 1/285:40 amPHL - AUS

2 stops9h 20mSouthwest

Deal found 12/15

$383

Thu 12/255:20 amAUS - PHL

1 stop6h 25mDelta

Wed 12/315:49 pmPHL - AUS

1 stop7h 48mDelta

Deal found 12/17

$389

Thu 12/256:45 amAUS - PHL

1 stop21h 46mFrontier

Wed 12/313:35 pmPHL - AUS

2 stops19h 38mFrontier

Deal found 12/17

$392

Tue 12/306:45 amAUS - PHL

1 stop6h 26mUnited Airlines

Sat 1/36:00 amPHL - AUS

1 stop6h 25mUnited Airlines

Deal found 12/16

$405

Tue 12/235:20 amAUS - PHL

1 stop5h 44mDelta

Wed 12/315:49 pmPHL - AUS

1 stop7h 48mDelta

Deal found 12/17

$405

Wed 1/219:35 amAUS - PHL

1 stop6h 01mUnited Airlines

Mon 1/263:01 pmPHL - AUS

2 stops8h 58mUnited Airlines

Deal found 12/17

$413

Tue 2/39:25 amAUS - PHL

2 stops6h 40mSouthwest

Thu 2/51:40 pmPHL - AUS

2 stops9h 25mSouthwest

Deal found 12/15

$422

Last-minute flights from Austin to Philadelphia
Discover last-minute flight deals from Austin to Philadelphia. Data last updated December 18, 2025 and is based on user searches.

Thu 1/16:45 amAUS - PHL

1 stop21h 46mFrontier

Sun 1/48:36 pmPHL - AUS

1 stop28h 38mFrontier

Deal found 12/15

$208

Thu 1/16:45 amAUS - PHL

1 stop21h 46mMultiple Airlines

Tue 1/64:25 pmPHL - AUS

1 stop9h 33mMultiple Airlines

Deal found 12/15

$211

Thu 1/16:45 amAUS - PHL

1 stop21h 46mMultiple Airlines

Mon 1/58:54 pmPHL - AUS

1 stop29h 04mMultiple Airlines

Deal found 12/16

$222

Fri 1/95:50 amAUS - PHL

2 stops15h 13mSpirit Airlines

Sun 1/116:11 pmPHL - AUS

2 stops22h 53mSpirit Airlines

Deal found 12/15

$206

Sun 1/117:51 pmAUS - PHL

2 stops21h 53mMultiple Airlines

Wed 1/211:40 pmPHL - AUS

1 stop8h 55mMultiple Airlines

Deal found 12/17

$217

Sun 1/116:05 pmAUS - PHL

1 stop5h 46mMultiple Airlines

Sun 1/1812:24 pmPHL - AUS

1 stop10h 11mMultiple Airlines

Deal found 12/17

$227

Sun 1/187:25 amAUS - PHL

2 stops11h 23mSpirit Airlines

Sun 1/258:43 pmPHL - AUS

2 stops14h 51mSpirit Airlines

Deal found 12/17

$216

Fri 1/235:50 amAUS - PHL

2 stops12h 58mSpirit Airlines

Mon 1/268:43 pmPHL - AUS

3 stops27h 41mSpirit Airlines

Deal found 12/16

$219

Fri 1/307:25 amAUS - PHL

1 stop11h 36mSpirit Airlines

Fri 2/65:30 amPHL - AUS

1 stop11h 34mSpirit Airlines

Deal found 12/16

$210

Fri 1/305:50 amAUS - PHL

2 stops17h 00mSpirit Airlines

Sat 1/315:30 amPHL - AUS

3 stops30h 04mSpirit Airlines

Deal found 12/16

$212

One-way flights from Austin to Philadelphia
Search for one-way flight options from Austin to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Tue 3/177:20 amAUS - PHL

1 stop11h 10mSpirit Airlines

Deal found 12/16

$92

Sun 2/87:26 pmAUS - PHL

2 stops38h 48mMultiple Airlines

Deal found 12/16

$93

Wed 1/710:52 amAUS - PHL

2 stops20h 55mSpirit Airlines

Deal found 12/16

$95

Tue 1/610:32 amAUS - PHL

2 stops30h 07mFrontier

Deal found 12/15

$97

Mon 1/52:44 pmAUS - PHL

1 stop13h 47mFrontier

Deal found 12/17

$98

Thu 3/124:14 pmAUS - PHL

1 stop7h 38mFrontier

Deal found 12/15

$99

Mon 1/197:25 amAUS - PHL

1 stop26h 49mSpirit Airlines

Deal found 12/17

$100

Fri 2/207:15 amAUS - PHL

1 stop24h 29mSpirit Airlines

Deal found 12/17

$102

Mon 1/197:14 pmAUS - PHL

2 stops39h 00mMultiple Airlines

Deal found 12/17

$103

Fri 1/307:25 amAUS - PHL

2 stops11h 23mSpirit Airlines

Deal found 12/16

$104

Tue 1/65:30 amAUS - PHL

2 stops28h 43mMultiple Airlines

Deal found 12/17

$106

Tue 2/178:30 amAUS - PHL

2 stops25h 41mFrontier

Deal found 12/16

$107

Find flight deals from Austin to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$200 (Frontier)
One-way from	$92 (Spirit)
Popular in	April
Cheapest in	October
Average price	$470
Good round-trip deal	$430 or less
Good one-way deal	$297 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 ($70 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

Use the filters below to find and compare flights from Austin to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 1/11

6:05 pm-12:51 am

1 stop5h 46m

Philadelphia

Sun 1/18

12:24 pm-9:35 pm

1 stop10h 11m

$227

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 1/21

6:00 am-11:25 am

1 stop28h 25m

Philadelphia

Mon 1/26

7:00 am-10:17 pm

1 stop16h 17m

$248

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 1/21

7:25 am-5:05 pm

2 stops8h 40m

Philadelphia

Wed 1/28

5:40 am-2:00 pm

2 stops9h 20m

$383

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 12/25

5:20 am-12:45 pm

1 stop6h 25m

Philadelphia

Wed 12/31

5:49 pm-12:37 am

1 stop7h 48m

$389

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 12/25

6:45 am-5:31 am

1 stop21h 46m

Philadelphia

Wed 12/31

3:35 pm-10:13 am

2 stops19h 38m

$392

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 12/30

6:45 am-2:11 pm

1 stop6h 26m

Philadelphia

Sat 1/3

6:00 am-11:25 am

1 stop6h 25m

$405

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 12/23

5:20 am-12:04 pm

1 stop5h 44m

Philadelphia

Wed 12/31

5:49 pm-12:37 am

1 stop7h 48m

$405

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 1/21

9:35 am-4:36 pm

1 stop6h 01m

Philadelphia

Mon 1/26

3:01 pm-10:59 pm

2 stops8h 58m

$413

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 2/3

9:25 am-5:05 pm

2 stops6h 40m

Philadelphia

Thu 2/5

1:40 pm-10:05 pm

2 stops9h 25m

$422

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 1/6

10:32 am-5:39 pm

2 stops30h 07m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 19 results

Compare providers for flights from Austin to Philadelphia

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Cheapfaremart	Price 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?

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?

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?

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

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.

PHL

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

Our travel experts

Mark Chesnut

Expert on PHL

Ramsey Qubein

Expert on AUS

Reviews of airlines servicing Philadelphia

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

7.9

Good

4,250 reviews

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

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

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

8,005 reviews

Southwest

7.9

Good

4,250 reviews

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

9,091 reviews

Southwest

7.9

Good

4,250 reviews

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

11,054 reviews

Southwest

7.9

Good

4,250 reviews

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

5.8

Fair

3,081 reviews

Southwest

7.9

Good

4,250 reviews

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

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 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, 12 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 $69 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $70 and Southwest from $94 one-way.
What are the most reliable airlines from 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 (87%), Qatar Airways (81%), Iberia (80%).
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 $113 on average, our data indicates $497 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

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Complete your trip

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Other flights to Philadelphia

Top 6 airlines flying from Austin to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$110	Average$218	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$137	Average$220	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$158	Average$334	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$171	Average$416	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$347	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$272	Average$554	FlexibilityNo cancel fee	On-time69%

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$92+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Philadelphia with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Austin Bergstrom to Philadelphia are usually found in October or September, booked 67 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 PhiladelphiaExplore 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 18, 2025.

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 18, 2025.

Find flight deals from Austin to Philadelphia

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Use the filters below to find and compare flights from Austin to Philadelphia that are best for you.

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.

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.

Cheapflights Insights

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

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

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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

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Reviews of airlines servicing Philadelphia

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.

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?

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

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

What are the most reliable airlines from Austin to Philadelphia?

What are the cheapest flights from Austin to Philadelphia?

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

How can I find direct flights from Austin to Philadelphia?

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

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

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Alternative routes for Austin to Philadelphia

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Top 6 airlines flying from Austin to Philadelphia

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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 18, 2025.