What airlines fly to Austin?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Austin from Philadelphia according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 7 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Philadelphia to Austin?

Charlotte (CLT) has the shortest average layover time for this route: 0h 47m.

What is the cheapest airline that flies from Philadelphia to Austin Bergstrom?

JetBlue and Spirit Airlines are the most popular carriers operating from Philadelphia to Austin Bergstrom

Which layover airport offers the lowest fares from Philadelphia to Austin?

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $236.

Which airport is the most popular layover for flights between Philadelphia and Austin?

St. Louis (STL) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Philadelphia to Austin on average per week?

As of December 2025, there are 36 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Which layover airport has the shortest travel time from Philadelphia to Austin?

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 28m.

How many flights depart from Philadelphia to Austin on average per day?

The number of flights available between Philadelphia and Austin is 5 per day as of December 2025. The most frequent departure time is 6:00PM, with 55% of daily flights leaving in the evening.

When did momondo last update prices for flights from Philadelphia Airport to Austin Bergstrom Airport?

Prices for flights from Philadelphia Airport to Austin Bergstrom Airport are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Austin Bergstrom Airport?

As of December 2025, there are 6 operators available to choose from for flights from Philadelphia Airport to Austin Bergstrom Airport.

How old do you have to be to fly from Philadelphia Airport to Austin Bergstrom Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$51 Cheap Flights from Philadelphia to Austin in 2025/26

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8:36 pm - 10:56 pm

PHL

AUS

27h 20m1 stop

7:56 pm - 12:49 pm

AUS

PHL

15h 53m1 stop

$204Frontier

Mon, Jan 5 - Thu, Jan 8

7:12 pm - 10:34 am

PHL

AUS

16h 22m2 stops

11:30 am - 3:41 pm

AUS

PHL

27h 11m1 stop

$205Multiple Airlines

Thu, Jan 15 - Mon, Jan 19

6:11 pm - 4:04 pm

PHL

AUS

22h 53m2 stops

7:25 am - 10:03 pm

AUS

PHL

13h 38m3 stops

$206Spirit Airlines

Fri, Jan 23 - Wed, Feb 11

10:59 pm - 10:29 am

PHL

AUS

12h 30m2 stops

11:34 am - 7:51 pm

AUS

PHL

7h 17m1 stop

$207Multiple Airlines

Fri, Feb 27 - Sun, Mar 1

2:03 pm - 8:53 pm

PHL

AUS

7h 50m1 stop

7:15 am - 5:44 pm

AUS

PHL

9h 29m1 stop

$211Multiple Airlines

Fri, Feb 27 - Tue, Mar 3

6:11 pm - 10:34 am

PHL

AUS

17h 23m1 stop

7:14 pm - 11:50 pm

AUS

PHL

27h 36m2 stops

$212Multiple Airlines

Fri, Jan 16 - Mon, Jan 19

10:00 pm - 12:58 am

PHL

AUS

27h 58m2 stops

11:30 am - 8:01 pm

AUS

PHL

7h 31m1 stop

$213Multiple Airlines

Mon, Jan 5 - Sat, Jan 10

1:28 pm - 9:21 am

PHL

AUS

20h 53m2 stops

7:15 am - 8:44 am

AUS

PHL

24h 29m1 stop

$214Multiple Airlines

Thu, Feb 12 - Tue, Feb 17

5:30 am - 8:53 pm

PHL

AUS

16h 23m2 stops

7:15 am - 4:52 pm

AUS

PHL

32h 37m3 stops

$216Spirit Airlines

Tue, Feb 24 - Fri, Feb 27

5:30 am - 5:02 pm

PHL

AUS

12h 32m1 stop

5:58 pm - 12:52 am

AUS

PHL

5h 54m1 stop

$217Frontier

Thu, Jan 29 - Sun, Feb 1

Frontier flights from Philadelphia to Austin

Our best Frontier deals on Philadelphia to Austin flight tickets

Frontier

Jan 5

PHL8:36 pmPhiladelphia

27h 20m

1 stop

AUS10:56 pmAustin Bergstrom

Jan 8

AUS7:56 pmAustin Bergstrom

15h 53m

1 stop

PHL12:49 pmPhiladelphia

$204

Find similar

Frontier

Jan 29

PHL5:30 amPhiladelphia

12h 32m

1 stop

AUS5:02 pmAustin Bergstrom

Feb 1

AUS5:58 pmAustin Bergstrom

5h 54m

1 stop

PHL12:52 amPhiladelphia

$217

Find similar

Frontier

Apr 9

PHL6:00 amPhiladelphia

11h 03m

1 stop

AUS4:03 pmAustin Bergstrom

Apr 12

AUS5:03 pmAustin Bergstrom

18h 33m

1 stop

PHL12:36 pmPhiladelphia

$218

Find similar

Spirit Airlines flights from Philadelphia to Austin

Our best Spirit Airlines deals on Philadelphia to Austin flight tickets

Spirit Airlines

Jan 16

PHL6:11 pmPhiladelphia

22h 53m

2 stops

AUS4:04 pmAustin Bergstrom

Jan 30

AUS7:25 amAustin Bergstrom

13h 38m

2 stops

PHL10:03 pmPhiladelphia

$212

Find similar

Spirit Airlines

Feb 24

PHL5:30 amPhiladelphia

16h 23m

2 stops

AUS8:53 pmAustin Bergstrom

Feb 27

AUS7:15 amAustin Bergstrom

32h 37m

3 stops

PHL4:52 pmPhiladelphia

$216

Find similar

Spirit Airlines

Jan 8

PHL6:11 pmPhiladelphia

22h 53m

2 stops

AUS4:04 pmAustin Bergstrom

Jan 11

AUS7:25 amAustin Bergstrom

13h 38m

2 stops

PHL10:03 pmPhiladelphia

$219

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 1/5

8:36 pm-10:56 pm

1 stop27h 20m

Austin Bergstrom

Thu 1/8

7:56 pm-12:49 pm

1 stop15h 53m

$204

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 1/15

7:12 pm-10:34 am

2 stops16h 22m

Austin Bergstrom

Mon 1/19

11:30 am-3:41 pm

1 stop27h 11m

$205

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 1/23

6:11 pm-4:04 pm

2 stops22h 53m

Austin Bergstrom

Wed 2/11

7:25 am-10:03 pm

3 stops13h 38m

$206

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 2/27

10:59 pm-10:29 am

2 stops12h 30m

Austin Bergstrom

Sun 3/1

11:34 am-7:51 pm

1 stop7h 17m

$207

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 2/27

2:03 pm-8:53 pm

1 stop7h 50m

Austin Bergstrom

Tue 3/3

7:15 am-5:44 pm

1 stop9h 29m

$211

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 1/16

6:11 pm-10:34 am

1 stop17h 23m

Austin Bergstrom

Mon 1/19

7:14 pm-11:50 pm

2 stops27h 36m

$212

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 1/5

10:00 pm-12:58 am

2 stops27h 58m

Austin Bergstrom

Sat 1/10

11:30 am-8:01 pm

1 stop7h 31m

$213

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 2/12

1:28 pm-9:21 am

2 stops20h 53m

Austin Bergstrom

Tue 2/17

7:15 am-8:44 am

1 stop24h 29m

$214

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 2/24

5:30 am-8:53 pm

2 stops16h 23m

Austin Bergstrom

Fri 2/27

7:15 am-4:52 pm

3 stops32h 37m

$216

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 1/29

5:30 am-5:02 pm

1 stop12h 32m

Austin Bergstrom

Sun 2/1

5:58 pm-12:52 am

1 stop5h 54m

$217

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How to get the cheapest flight ticket from Philadelphia to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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Other information

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Philadelphia is in August. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then September is your next best option. Flight prices from Philadelphia to Austin during September average around $229.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Thursday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Austin for around $432.

What is the cheapest time of day to depart on your flight to Austin?

In the afternoon is the cheapest time of day to fly from Philadelphia to Austin when you can find flight prices for as low as $354. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $463. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Philadelphia to Austin Bergstrom flight route?

Fly from Philadelphia to Austin Bergstrom for the best Philadelphia - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Philadelphia for as low as $286 on momondo.

What cabin class options are available on Philadelphia to Austin Bergstrom flights?

There are 3 cabin classes available to choose from on Philadelphia to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Austin flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Austin.

How have Philadelphia to Austin flight prices changed over time?

As of December 2025, prices for Philadelphia to Austin flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Austin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Austin (PHL to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Austin

Best Price Found	$281
Fastest flight time	3h 39m
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Philadelphia in the past 72 hours is $281. The best round-trip flight deal from Philadelphia to Austin found on momondo in the last 72 hours is $433.

The fastest flight from Philadelphia to Austin takes 3h 39m

Direct flights go from Philadelphia to Austin every day.

There is 1 airport in Austin. From Philadelphia there are direct flights to Austin Bergstrom (AUS).

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How far is Philadelphia to Austin Bergstrom by plane?
The distance between Philadelphia and Austin Bergstrom is about 1434.4 mi. Typically, this will take 3h 39m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Austin Bergstrom Airport?
Prices for flights from Philadelphia Airport to Austin Bergstrom Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Austin Bergstrom Airport?
As of December 2025, there are 6 operators available to choose from for flights from Philadelphia Airport to Austin Bergstrom Airport.
How old do you have to be to fly from Philadelphia Airport to Austin Bergstrom Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Austin?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Austin is Airbus A319, representing 45.37% of all bookings. The subsequent popular models are Airbus A320-100/200 at 25.45%, Airbus A321neo at 9.54%, and Airbus A320neo at 5.67%.
What is the most popular airline from Philadelphia to Austin?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Austin is American Airlines, representing 72% of all bookings. The subsequent popular airlines are Frontier at 16%, Southwest at 7%, and Delta at 3%.

Best airlines flying from Philadelphia to Austin

Compare and see reviews for airlines that fly from Philadelphia to Austin with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $102	Free Cancellation	Rating 5.8 3,071 reviews	Search Frontier flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,257 reviews	Search Southwest flights
Spirit Airlines	PriceFrom $186	Free Cancellation	Rating 6.3 8,210 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $187	Free Cancellation	Rating 7.2 11,066 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
United Airlines	PriceFrom $322	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights

American Airlines Flights From Philadelphia to Austin
Across 18 American Airlines flights from Philadelphia to Austin this week, the average price was $428, with the best American Airlines deals starting from $187 round-trip. 11,066 users have rated American Airlines on momondo, with an average score of 7.2/10.

Fredericksburg

Wimberley

San Marcos

Round Rock

Georgetown

Canyon Lake

Marble Falls

Horseshoe Bay

Cedar Park

Dripping Springs

Kyle

Pflugerville

Seguin

Bastrop

Buda

Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Austin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Austin. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Austin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Austin from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Austin?

momondo provides multiple filters to help you find the best flight to Austin from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Austin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austin, momondo offers a useful price alert feature which will track prices for flights to Austin from Philadelphia and alert you when they change.

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Cheap flights from Philadelphia to Austin from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Austin departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Philadelphia to Austin

Our best Frontier deals on Philadelphia to Austin flight tickets

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Our best Spirit Airlines deals on Philadelphia to Austin flight tickets

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

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How to get the cheapest flight ticket from Philadelphia to Austin

What is the cheapest month to fly to Austin?

What is the cheapest day to depart on your flight to Austin?

What is the cheapest time of day to depart on your flight to Austin?

What is the cheapest Philadelphia to Austin Bergstrom flight route?

Fly from Philadelphia to Austin Bergstrom for the best Philadelphia - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

What cabin class options are available on Philadelphia to Austin Bergstrom flights?

There are 3 cabin classes available to choose from on Philadelphia to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Austin flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Austin.

How have Philadelphia to Austin flight prices changed over time?

As of December 2025, prices for Philadelphia to Austin flights are approximately 19% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to Austin Bergstrom?

JetBlue and Spirit Airlines are the most popular carriers operating from Philadelphia to Austin Bergstrom

What airlines fly to Austin?

Which airport is the most popular layover for flights between Philadelphia and Austin?

St. Louis (STL) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Austin?

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $236.

Which layover airport has the shortest travel time from Philadelphia to Austin?

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 28m.

Which layover airport has the shortest connection time from Philadelphia to Austin?

Charlotte (CLT) has the shortest average layover time for this route: 0h 47m.

How many flights depart from Philadelphia to Austin on average per day?

The number of flights available between Philadelphia and Austin is 5 per day as of December 2025. The most frequent departure time is 6:00PM, with 55% of daily flights leaving in the evening.

How many flights depart from Philadelphia to Austin on average per week?

As of December 2025, there are 36 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

When to book flights from Philadelphia to Austin

Cheap Philadelphia to Austin (PHL to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Austin

Best Price Found

Fastest flight time

Direct flights

Airports in Austin

How far is Philadelphia to Austin Bergstrom by plane?

When did momondo last update prices for flights from Philadelphia Airport to Austin Bergstrom Airport?

How many operators does momondo search for flights from Philadelphia Airport to Austin Bergstrom Airport?

How old do you have to be to fly from Philadelphia Airport to Austin Bergstrom Airport?

What documentation or ID do you need to fly to Austin Bergstrom Airport?

What is the most popular plane model from Philadelphia to Austin?

What is the most popular airline from Philadelphia to Austin?

Best airlines flying from Philadelphia to Austin

Compare and see reviews for airlines that fly from Philadelphia to Austin with momondo

American Airlines Flights From Philadelphia to Austin

Traveling to a place near Austin?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Austin?

Can I find flights from Philadelphia to Austin with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Austin?

I’m not ready to book a flight from Philadelphia to Austin right now. Can momondo alert me if prices change?

An easier way to manage your Austin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas