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

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

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

St. Louis (STL) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

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 39% 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.

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

As of September 2025, there are 38 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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.

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 September 2025. The most frequent departure time is 11:00AM, with 55% of daily flights leaving at noon.

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 September 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.

$84 Cheap Flights from Philadelphia to Austin in 2025/26

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Find the cheapest flights from Philadelphia to Austin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:40 am - 9:45 amPHL-AUS

4h 05mnonstop

5:45 am - 12:32 amAUS-PHL

17h 47m1 stop

$148Multiple Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

5:15 am - 4:15 pmPHL-AUS

12h 00m1 stop

10:17 pm - 6:00 pmAUS-PHL

18h 43m1 stop

$149Frontier

Find Deal

Thu, Oct 2 - Fri, Oct 10

7:20 am - 10:10 amPHL-AUS

3h 50mnonstop

11:05 am - 3:37 pmAUS-PHL

3h 32mnonstop

$150Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

6:10 am - 9:00 amPHL-AUS

3h 50mnonstop

12:05 pm - 4:37 pmAUS-PHL

3h 32mnonstop

$151Frontier

Find Deal

Sun, Oct 19 - Thu, Oct 30

5:05 am - 10:29 amPHL-AUS

6h 24m1 stop

4:57 pm - 9:29 pmAUS-PHL

3h 32mnonstop

$152Frontier

Find Deal

Thu, Oct 23 - Mon, Oct 27

5:33 am - 3:24 pmPHL-AUS

10h 51m1 stop

11:30 am - 11:59 pmAUS-PHL

11h 29m1 stop

$160Spirit Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

5:33 am - 4:59 pmPHL-AUS

12h 26m1 stop

11:30 am - 11:59 pmAUS-PHL

11h 29m1 stop

$164Spirit Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

8:30 am - 11:33 amPHL-AUS

4h 03mnonstop

6:00 am - 10:23 amAUS-PHL

3h 23mnonstop

$169American Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

5:55 am - 12:35 pmPHL-AUS

7h 40m2 stops

5:00 am - 11:10 amAUS-PHL

5h 10m1 stop

$194Southwest

Find Deal

Wed, Oct 22 - Sun, Oct 26

8:25 am - 11:29 amPHL-AUS

4h 04mnonstop

7:07 am - 11:28 amAUS-PHL

3h 21mnonstop

$197American Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 23

Spirit Airlines flights from Philadelphia to Austin

Our best Spirit Airlines deals on Philadelphia to Austin flight tickets

Spirit Airlines

Oct 23

PHL5:33 amPhiladelphia

10h 51m

1 stop

AUS3:24 pmAustin Bergstrom

Oct 27

AUS11:30 amAustin Bergstrom

11h 29m

1 stop

PHL11:59 pmPhiladelphia

$160

Find similar

Spirit Airlines

Oct 24

PHL5:33 amPhiladelphia

12h 26m

1 stop

AUS4:59 pmAustin Bergstrom

Oct 27

AUS11:30 amAustin Bergstrom

11h 29m

1 stop

PHL11:59 pmPhiladelphia

$164

Find similar

Spirit Airlines

Oct 23

PHL10:54 amPhiladelphia

7h 05m

1 stop

AUS4:59 pmAustin Bergstrom

Oct 25

AUS7:20 amAustin Bergstrom

10h 29m

1 stop

PHL6:49 pmPhiladelphia

$174

Find similar

Frontier flights from Philadelphia to Austin

Our best Frontier deals on Philadelphia to Austin flight tickets

Frontier

Oct 2

PHL5:15 amPhiladelphia

12h 00m

1 stop

AUS4:15 pmAustin Bergstrom

Oct 10

AUS10:17 pmAustin Bergstrom

18h 43m

1 stop

PHL6:00 pmPhiladelphia

$149

Find similar

Frontier

Nov 13

PHL7:20 amPhiladelphia

3h 50m

AUS10:10 amAustin Bergstrom

Nov 16

AUS11:05 amAustin Bergstrom

3h 32m

PHL3:37 pmPhiladelphia

$150

Find similar

Frontier

Oct 19

PHL6:10 amPhiladelphia

3h 50m

AUS9:00 amAustin Bergstrom

Oct 30

AUS12:05 pmAustin Bergstrom

3h 32m

PHL4:37 pmPhiladelphia

$151

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 12/11

6:40 am-9:45 am

Nonstop4h 05m

Austin Bergstrom

Sun 12/14

5:45 am-12:32 am

1 stop17h 47m

$148

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 10/2

5:15 am-4:15 pm

1 stop12h 00m

Austin Bergstrom

Fri 10/10

10:17 pm-6:00 pm

1 stop18h 43m

$149

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 11/13

7:20 am-10:10 am

Nonstop3h 50m

Austin Bergstrom

Sun 11/16

11:05 am-3:37 pm

Nonstop3h 32m

$150

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sun 10/19

6:10 am-9:00 am

Nonstop3h 50m

Austin Bergstrom

Thu 10/30

12:05 pm-4:37 pm

Nonstop3h 32m

$151

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 10/23

5:05 am-10:29 am

1 stop6h 24m

Austin Bergstrom

Mon 10/27

4:57 pm-9:29 pm

Nonstop3h 32m

$152

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 10/23

5:33 am-3:24 pm

1 stop10h 51m

Austin Bergstrom

Mon 10/27

11:30 am-11:59 pm

1 stop11h 29m

$160

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 10/24

5:33 am-4:59 pm

1 stop12h 26m

Austin Bergstrom

Mon 10/27

11:30 am-11:59 pm

1 stop11h 29m

$164

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 11/12

8:30 am-11:33 am

Nonstop4h 03m

Austin Bergstrom

Sun 11/16

6:00 am-10:23 am

Nonstop3h 23m

$169

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 10/22

5:55 am-12:35 pm

2 stops7h 40m

Austin Bergstrom

Sun 10/26

5:00 am-11:10 am

1 stop5h 10m

$194

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 12/2

8:25 am-11:29 am

Nonstop4h 04m

Austin Bergstrom

Tue 12/23

7:07 am-11:28 am

Nonstop3h 21m

$197

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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 July is your next best option. Flight prices from Philadelphia to Austin during July average around $243.

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 Saturday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Austin for around $484.

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 $346. 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 $475. 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 $390 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 $259 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 September 2025, prices for Philadelphia to Austin flights are approximately 23% cheaper 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	$133
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 $133. The best round-trip flight deal from Philadelphia to Austin found on momondo in the last 72 hours is $196.

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

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 3h 50m 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 September 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 37.74% of all bookings. The subsequent popular models are Airbus A320-100/200 at 21.20%, Airbus A321neo at 14.96%, and Boeing 737-800 at 9.64%.
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 76% of all bookings. The subsequent popular airlines are Frontier at 12%, 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 $105	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Spirit Airlines	PriceFrom $186	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $203	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
United Airlines	PriceFrom $308	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

American Airlines Flights From Philadelphia to Austin
Across 24 American Airlines flights from Philadelphia to Austin this week, the average price was $437, with the best American Airlines deals starting from $203 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 7.2/10.

Fredericksburg

San Marcos

Wimberley

Round Rock

Georgetown

Canyon Lake

Marble Falls

Cedar Park

Horseshoe Bay

Dripping Springs

Pflugerville

Seguin

Kyle

Bastrop

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 $84

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 10/31. 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 September 2025, prices for Philadelphia to Austin flights are approximately 23% cheaper when compared to flights at the same time last year.

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

Spirit Airlines, Frontier, and Southwest 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: 27% 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 September 2025. The most frequent departure time is 11:00AM, with 55% of daily flights leaving at noon.

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

As of September 2025, there are 38 flights per week flying from Philadelphia to Austin. The most common day of the week flights depart is Mon, with 16% 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