What airlines fly to Philadelphia?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Philadelphia from Austin according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 36m.

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

As of August 2025, 58 flights take off from Austin and land in Philadelphia each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

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

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $228.

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

Atlanta (ATL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

Atlanta (ATL) has the shortest average layover time for this route: 1h 35m.

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

The number of flights available between Austin and Philadelphia is 8 per day as of August 2025. The most frequent departure time is 10:00AM, with 59% of daily flights leaving at noon.

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

Prices for flights from Austin Bergstrom Airport to Philadelphia Airport refresh daily.

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

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

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

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$38 Cheap Flights from Austin to Philadelphia in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Austin to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:08 am - 3:46 pmAUS-PHL

3h 38mnonstop

7:00 am - 10:13 amPHL-AUS

4h 13mnonstop

$75Frontier

Find Deal

Thu, Sep 4 - Sun, Sep 7

11:08 am - 3:46 pmAUS-PHL

3h 38mnonstop

7:00 am - 10:13 amPHL-AUS

4h 13mnonstop

$76Frontier

Find Deal

Thu, Sep 4 - Sun, Sep 7

11:03 am - 3:41 pmAUS-PHL

3h 38mnonstop

12:00 pm - 11:02 pmPHL-AUS

12h 02m1 stop

$133

Find Deal

Sun, Sep 14 - Wed, Sep 17

5:45 am - 11:47 pmAUS-PHL

17h 02m1 stop

12:00 pm - 11:02 pmPHL-AUS

12h 02m1 stop

$147Spirit Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

11:03 am - 3:41 pmAUS-PHL

3h 38mnonstop

10:41 am - 11:02 pmPHL-AUS

13h 21m1 stop

$150

Find Deal

Sun, Sep 14 - Sun, Sep 28

7:00 am - 11:28 amAUS-PHL

3h 28mnonstop

7:35 pm - 10:37 pmPHL-AUS

4h 02mnonstop

$153American Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 24

5:45 am - 11:47 pmAUS-PHL

17h 02m1 stop

12:00 pm - 9:39 pmPHL-AUS

10h 39m1 stop

$158Spirit Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

6:25 am - 4:00 pmAUS-PHL

8h 35m1 stop

5:30 am - 10:35 amPHL-AUS

6h 05m1 stop

$168Southwest

Find Deal

Wed, Sep 24 - Sun, Sep 28

5:00 pm - 9:36 pmAUS-PHL

3h 36mnonstop

8:25 am - 11:14 amPHL-AUS

3h 49mnonstop

$170American Airlines

Find Deal

Fri, Sep 26 - Sun, Sep 28

9:45 pm - 10:35 amAUS-PHL

11h 50m1 stop

5:30 am - 9:50 amPHL-AUS

5h 20m1 stop

$174Southwest

Find Deal

Thu, Sep 11 - Mon, Sep 15

Spirit Airlines flights from Austin to Philadelphia

Our best Spirit Airlines deals on Austin to Philadelphia flight tickets

Spirit Airlines

Sep 10

AUS5:45 amAustin Bergstrom

17h 02m

1 stop

PHL11:47 pmPhiladelphia

Sep 17

PHL12:00 pmPhiladelphia

12h 02m

1 stop

AUS11:02 pmAustin Bergstrom

$147

Find similar

Spirit Airlines

Sep 9

AUS5:45 amAustin Bergstrom

17h 02m

1 stop

PHL11:47 pmPhiladelphia

Sep 16

PHL12:00 pmPhiladelphia

10h 39m

1 stop

AUS9:39 pmAustin Bergstrom

$158

Find similar

Spirit Airlines

Aug 27

AUS7:15 amAustin Bergstrom

15h 05m

1 stop

PHL11:20 pmPhiladelphia

Sep 2

PHL8:41 pmPhiladelphia

25h 04m

1 stop

AUS8:45 pmAustin Bergstrom

$208

Find similar

American Airlines flights from Austin to Philadelphia

Our best American Airlines deals on Austin to Philadelphia flight tickets

American Airlines

Sep 10

AUS7:00 amAustin Bergstrom

3h 28m

PHL11:28 amPhiladelphia

Sep 24

PHL7:35 pmPhiladelphia

4h 02m

AUS10:37 pmAustin Bergstrom

$153

Find similar

American Airlines

Sep 26

AUS5:00 pmAustin Bergstrom

3h 36m

PHL9:36 pmPhiladelphia

Sep 28

PHL8:25 amPhiladelphia

3h 49m

AUS11:14 amAustin Bergstrom

$170

Find similar

American Airlines

Sep 5

AUS7:00 amAustin Bergstrom

3h 28m

PHL11:28 amPhiladelphia

Sep 8

PHL7:35 pmPhiladelphia

4h 02m

AUS10:37 pmAustin Bergstrom

$180

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 9/4

11:08 am-3:46 pm

Nonstop3h 38m

Philadelphia

Sun 9/7

7:00 am-10:13 am

Nonstop4h 13m

$75

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 9/4

11:08 am-3:46 pm

Nonstop3h 38m

Philadelphia

Sun 9/7

7:00 am-10:13 am

Nonstop4h 13m

$76

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 9/14

11:03 am-3:41 pm

Nonstop3h 38m

Philadelphia

Wed 9/17

12:00 pm-11:02 pm

1 stop12h 02m

$133

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 9/10

5:45 am-11:47 pm

1 stop17h 02m

Philadelphia

Wed 9/17

12:00 pm-11:02 pm

1 stop12h 02m

$147

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 9/14

11:03 am-3:41 pm

Nonstop3h 38m

Philadelphia

Sun 9/28

10:41 am-11:02 pm

1 stop13h 21m

$150

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 9/10

7:00 am-11:28 am

Nonstop3h 28m

Philadelphia

Wed 9/24

7:35 pm-10:37 pm

Nonstop4h 02m

$153

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 9/9

5:45 am-11:47 pm

1 stop17h 02m

Philadelphia

Tue 9/16

12:00 pm-9:39 pm

1 stop10h 39m

$158

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 9/24

6:25 am-4:00 pm

1 stop8h 35m

Philadelphia

Sun 9/28

5:30 am-10:35 am

1 stop6h 05m

$168

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 9/26

5:00 pm-9:36 pm

Nonstop3h 36m

Philadelphia

Sun 9/28

8:25 am-11:14 am

Nonstop3h 49m

$170

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 9/11

9:45 pm-10:35 am

1 stop11h 50m

Philadelphia

Mon 9/15

5:30 am-9:50 am

1 stop5h 20m

$174

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Austin is in July. Flight prices, which tend to average around $286, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from Austin averaging around $317.

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

The cheapest day to depart from Austin to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $562. On the other hand, Sunday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,279.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Austin to Philadelphia in the evening for as low as $215. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $1,273.

What is the cheapest Austin Bergstrom to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Austin for as low as $303 on momondo.

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

There are 4 cabin classes available to choose from on Austin Bergstrom to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Austin to Philadelphia flight prices changed over time?

As of August 2025, prices for Austin to Philadelphia flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Philadelphia

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

Estimated round-trip price

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

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

Best Price Found	$38
Fastest flight time	3h 24m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Austin in the past 72 hours is $38. The best round-trip flight deal from Austin to Philadelphia found on momondo in the last 72 hours is $75.

The fastest flight from Austin to Philadelphia takes 3h 24m

Direct flights go from Austin to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

Search flight deals

How far is Austin Bergstrom to Philadelphia by plane?
A flight from Austin Bergstrom to Philadelphia will travel around 1434.4 mi. By plane, this route typically takes 3h 28m.
When did momondo last update prices for flights from Austin Bergstrom Airport to Philadelphia Airport?
Prices for flights from Austin Bergstrom Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Philadelphia Airport?
As of August 2025, there are 6 operators available to choose from for flights from Austin Bergstrom Airport to Philadelphia Airport.
How old do you have to be to fly from Austin Bergstrom Airport to Philadelphia 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 Austin Bergstrom Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Austin to Philadelphia?
momondo data reveals that the most frequently booked plane model on the route from Austin to Philadelphia is Airbus A319, representing 36.41% of all bookings. The subsequent popular models are Airbus A320-100/200 at 29.60%, Airbus A321neo at 13.63%, and Airbus A220-300 at 4.62%.
What is the most popular airline from Austin to Philadelphia?
Based on momondo bookings for flights between Austin and Philadelphia, the leading airline is American Airlines, making up 74% of the total bookings. Other popular airlines include Frontier with 12%, Southwest with 7%, and Delta with 4%.

Best airlines flying from Austin to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $111	Free Cancellation	Rating 5.8 3,219 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $127	Free Cancellation	Rating 6.3 8,045 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
American Airlines	PriceFrom $201	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
United Airlines	PriceFrom $272	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights

American Airlines Flights From Austin to Philadelphia
The lowest priced American Airlines flight from Austin to Philadelphia from the last 72 hours was $201. Generally, American Airlines has 24 flights on this route every week with an average price of $429. American Airlines is rated 7.2/10 by our users.
Frontier Flights From Austin to Philadelphia
Another popular option for Austin to Philadelphia flights is Frontier (5.8/10, 3,219 ratings). Frontier flies from Austin to Philadelphia around 1 time per week, with deals starting from $111 round-trip and rising to an average price of around $217.

Wildwood

Cape May

Rehoboth Beach

Ocean City

Wildwood Crest

King of Prussia

Reading

Dewey Beach

Newark

Cherry Hill

North Wildwood

Dover

Lewes

Avalon

Stone Harbor

Vineland

Essington

Exton

New Castle

Pottstown

Why use momondo?

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

It is quick and easy to find Austin to Philadelphia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Philadelphia that suits you.

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

Flights from Austin to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Austin.

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

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

An easier way to manage your Philadelphia 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 8/19

Tue 8/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from Austin to Philadelphia from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Philadelphia departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Austin to Philadelphia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Austin to Philadelphia

Our best Spirit Airlines deals on Austin to Philadelphia flight tickets

American Airlines flights from Austin to Philadelphia

Our best American Airlines deals on Austin to Philadelphia flight tickets

momondo Fare Finder

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

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Austin to Philadelphia

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 Philadelphia?

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

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

What is the cheapest Austin Bergstrom to Philadelphia flight route?

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

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

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

There are 4 cabin classes available to choose from on Austin Bergstrom to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Austin to Philadelphia flight prices changed over time?

As of August 2025, prices for Austin to Philadelphia flights are approximately 20% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Philadelphia?

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

Atlanta (ATL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $228.

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

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 36m.

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

Atlanta (ATL) has the shortest average layover time for this route: 1h 35m.

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

The number of flights available between Austin and Philadelphia is 8 per day as of August 2025. The most frequent departure time is 10:00AM, with 59% of daily flights leaving at noon.

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

As of August 2025, 58 flights take off from Austin and land in Philadelphia each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

When to book flights from Austin to Philadelphia

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Philadelphia

How far is Austin Bergstrom to Philadelphia by plane?

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

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

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

What documentation or ID do you need to fly to Philadelphia Airport?

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

What is the most popular airline from Austin to Philadelphia?

Best airlines flying from Austin to Philadelphia

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

American Airlines Flights From Austin to Philadelphia

Frontier Flights From Austin to Philadelphia

Traveling to a place near Philadelphia?

Why use momondo?

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

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

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

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

An easier way to manage your Philadelphia 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 Pennsylvania