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

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $232.

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.

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

St. Louis (STL) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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 38% of daily flights leaving in the evening.

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.

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

As of December 2025, there are 38 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 29% of flights taking off on this day.

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

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

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.

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.

$75 Cheap Flights from Philadelphia to Austin in 2025/26

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8:00 am - 4:04 pmPHL-AUS

9h 04m1 stop

11:34 am - 3:05 pmAUS-PHL

26h 31m1 stop

$182Multiple Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

10:45 pm - 10:34 amPHL-AUS

12h 49m2 stops

4:59 pm - 10:37 amAUS-PHL

16h 38m1 stop

$183Multiple Airlines

Find Deal

Sun, Feb 1 - Fri, Feb 6

11:00 am - 5:13 pmPHL-AUS

7h 13m1 stop

12:08 pm - 11:58 pmAUS-PHL

10h 50m1 stop

$184Multiple Airlines

Find Deal

Tue, Apr 7 - Tue, Apr 14

12:23 pm - 9:35 pmPHL-AUS

10h 12m1 stop

8:12 pm - 1:26 pmAUS-PHL

40h 14m2 stops

$185Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

8:00 pm - 12:14 amPHL-AUS

29h 14m2 stops

11:34 am - 11:50 pmAUS-PHL

11h 16m1 stop

$188Multiple Airlines

Find Deal

Tue, Feb 24 - Sat, Feb 28

8:00 am - 8:53 pmPHL-AUS

13h 53m1 stop

11:30 am - 11:50 pmAUS-PHL

11h 20m1 stop

$189Spirit Airlines

Find Deal

Fri, Jan 30 - Sun, Feb 1

7:11 pm - 9:53 amPHL-AUS

15h 42m2 stops

7:15 am - 5:58 pmAUS-PHL

9h 43m1 stop

$191Multiple Airlines

Find Deal

Thu, Feb 19 - Wed, Feb 25

5:30 am - 12:58 amPHL-AUS

20h 28m1 stop

11:30 am - 8:01 pmAUS-PHL

7h 31m1 stop

$192Multiple Airlines

Find Deal

Thu, Jan 1 - Thu, Jan 8

8:36 pm - 12:14 amPHL-AUS

28h 38m1 stop

6:08 pm - 10:50 amAUS-PHL

15h 42m1 stop

$193Frontier

Find Deal

Fri, Dec 12 - Mon, Dec 15

6:05 pm - 12:58 amPHL-AUS

7h 53m1 stop

5:30 am - 11:38 pmAUS-PHL

17h 08m1 stop

$196Multiple Airlines

Find Deal

Fri, Dec 19 - Mon, Dec 29

Spirit Airlines flights from Philadelphia to Austin

Our best Spirit Airlines deals on Philadelphia to Austin flight tickets

Spirit Airlines

Jan 30

PHL8:00 amPhiladelphia

13h 53m

1 stop

AUS8:53 pmAustin Bergstrom

Feb 1

AUS11:30 amAustin Bergstrom

11h 20m

1 stop

PHL11:50 pmPhiladelphia

$189

Find similar

Spirit Airlines

Dec 12

PHL6:00 amPhiladelphia

17h 21m

2 stops

AUS10:21 pmAustin Bergstrom

Dec 16

AUS5:30 amAustin Bergstrom

16h 46m

1 stop

PHL11:16 pmPhiladelphia

$199

Find similar

Spirit Airlines

Mar 25

PHL8:19 amPhiladelphia

14h 10m

1 stop

AUS9:29 pmAustin Bergstrom

Mar 31

AUS12:08 pmAustin Bergstrom

10h 50m

1 stop

PHL11:58 pmPhiladelphia

$203

Find similar

Frontier flights from Philadelphia to Austin

Our best Frontier deals on Philadelphia to Austin flight tickets

Frontier

Dec 12

PHL8:36 pmPhiladelphia

28h 38m

1 stop

AUS12:14 amAustin Bergstrom

Dec 15

AUS6:08 pmAustin Bergstrom

15h 42m

1 stop

PHL10:50 amPhiladelphia

$193

Find similar

Frontier

Dec 10

PHL12:00 pmPhiladelphia

22h 04m

1 stop

AUS9:04 amAustin Bergstrom

Dec 15

AUS6:08 pmAustin Bergstrom

5h 43m

1 stop

PHL12:51 amPhiladelphia

$211

Find similar

Frontier

Apr 8

PHL10:00 pmPhiladelphia

19h 03m

1 stop

AUS4:03 pmAustin Bergstrom

Apr 13

AUS11:14 amAustin Bergstrom

17h 17m

1 stop

PHL5:31 amPhiladelphia

$216

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 2/19

8:00 am-4:04 pm

1 stop9h 04m

Austin Bergstrom

Mon 2/23

11:34 am-3:05 pm

1 stop26h 31m

$182

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sun 2/1

10:45 pm-10:34 am

2 stops12h 49m

Austin Bergstrom

Fri 2/6

4:59 pm-10:37 am

1 stop16h 38m

$183

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 4/7

11:00 am-5:13 pm

1 stop7h 13m

Austin Bergstrom

Tue 4/14

12:08 pm-11:58 pm

1 stop10h 50m

$184

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 1/12

12:23 pm-9:35 pm

1 stop10h 12m

Austin Bergstrom

Mon 1/19

8:12 pm-1:26 pm

2 stops40h 14m

$185

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 2/24

8:00 pm-12:14 am

2 stops29h 14m

Austin Bergstrom

Sat 2/28

11:34 am-11:50 pm

1 stop11h 16m

$188

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 1/30

8:00 am-8:53 pm

1 stop13h 53m

Austin Bergstrom

Sun 2/1

11:30 am-11:50 pm

1 stop11h 20m

$189

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 2/19

7:11 pm-9:53 am

2 stops15h 42m

Austin Bergstrom

Wed 2/25

7:15 am-5:58 pm

1 stop9h 43m

$191

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 1/1

5:30 am-12:58 am

1 stop20h 28m

Austin Bergstrom

Thu 1/8

11:30 am-8:01 pm

1 stop7h 31m

$192

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 12/12

8:36 pm-12:14 am

1 stop28h 38m

Austin Bergstrom

Mon 12/15

6:08 pm-10:50 am

1 stop15h 42m

$193

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 12/19

6:05 pm-12:58 am

1 stop7h 53m

Austin Bergstrom

Mon 12/29

5:30 am-11:38 pm

1 stop17h 08m

$196

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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

Layovers

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 $230.

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 $346. 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 $433.

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

At noon is the cheapest time of day to fly from Philadelphia to Austin when you can find flight prices for as low as $355. Flying to Austin at noon 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 $465. 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 $374 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 34% 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	$201
Fastest flight time	3h 41m
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Philadelphia in the past 72 hours is $201. The best round-trip flight deal from Philadelphia to Austin found on momondo in the last 72 hours is $338.

The fastest flight from Philadelphia to Austin takes 3h 41m

Direct flights go from Philadelphia to Austin every day.

There is 1 airport near Austin: Austin Bergstrom (AUS)

Search flight deals

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 7h 13m 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 42.25% of all bookings. The subsequent popular models are Airbus A320-100/200 at 19.00%, Airbus A321neo at 10.40%, and Airbus A320neo at 8.92%.
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 73% 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 3,094 reviews	Search Frontier flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
Spirit Airlines	PriceFrom $186	Free Cancellation	Rating 6.3 8,156 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
United Airlines	PriceFrom $322	Free Cancellation	Rating 7.4 9,064 reviews	Search United Airlines flights

United Airlines Flights From Philadelphia to Austin
Across 1 United Airlines flight from Philadelphia to Austin this week, the average price was $785, with the best United Airlines deals starting from $322 round-trip. 9,064 users have rated United Airlines on momondo, with an average score of 7.4/10.
American Airlines Flights From Philadelphia to Austin
American Airlines is also a popular choice for this route. American Airlines flight deals for Philadelphia to Austin start from as low as $189 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $432. American Airlines operates 8 flights to Austin from Philadelphia in an average week. Users have rated it 7.2/10 across 11,041 reviews.

Fredericksburg

Wimberley

San Marcos

Round Rock

Georgetown

Canyon Lake

Marble Falls

Horseshoe Bay

Cedar Park

Dripping Springs

Pflugerville

Seguin

Kyle

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Buda

Flatonia

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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 $75

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 12/11. 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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Spirit Airlines flights from Philadelphia to Austin

Our best Spirit Airlines deals on Philadelphia to Austin flight tickets

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Our best Frontier deals on Philadelphia to Austin flight tickets

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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

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 34% more expensive when compared to flights at the same time last year.

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

Frontier 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: 33% 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 $232.

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 38% 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 38 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 29% 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

United Airlines Flights From Philadelphia to Austin

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