Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Austin to Philadelphia from $44

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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Austin to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:14 pm - 12:52 am
AUS
-
PHL
7h 38m
1 stop
Frontier Logo
6:00 am - 9:36 am
PHL
-
AUS
28h 36m
1 stop
$216Frontier
Fri, Mar 13 - Sun, Mar 22
Multiple Airlines Logo
5:48 pm - 3:47 pm
AUS
-
PHL
20h 59m
2 stops
Multiple Airlines Logo
5:28 pm - 9:29 am
PHL
-
AUS
17h 01m
1 stop
$217Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
7:15 am - 8:44 am
AUS
-
PHL
24h 29m
1 stop
Multiple Airlines Logo
10:59 pm - 8:53 pm
PHL
-
AUS
22h 54m
2 stops
$218Multiple Airlines
Tue, Feb 17 - Fri, Feb 20
Multiple Airlines Logo
11:34 am - 8:51 pm
AUS
-
PHL
8h 17m
1 stop
Multiple Airlines Logo
8:06 am - 7:02 pm
PHL
-
AUS
11h 56m
2 stops
$219Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
5:48 pm - 3:47 pm
AUS
-
PHL
20h 59m
2 stops
Frontier Logo
6:54 pm - 3:16 pm
PHL
-
AUS
21h 22m
1 stop
$221Frontier
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
4:59 pm - 12:13 pm
AUS
-
PHL
18h 14m
1 stop
Multiple Airlines Logo
5:30 am - 3:16 pm
PHL
-
AUS
34h 46m
2 stops
$222Multiple Airlines
Thu, Mar 26 - Mon, Mar 30
Spirit Airlines Logo
4:59 pm - 11:56 pm
AUS
-
PHL
5h 57m
1 stop
Spirit Airlines Logo
6:08 pm - 4:04 pm
PHL
-
AUS
22h 56m
1 stop
$223Spirit Airlines
Thu, Mar 26 - Mon, Mar 30
Spirit Airlines Logo
6:10 am - 8:44 am
AUS
-
PHL
25h 34m
3 stops
Spirit Airlines Logo
7:46 pm - 9:29 am
PHL
-
AUS
14h 43m
2 stops
$224Spirit Airlines
Wed, Mar 4 - Sat, Mar 7
Multiple Airlines Logo
7:15 am - 8:50 am
AUS
-
PHL
24h 35m
1 stop
Multiple Airlines Logo
8:59 pm - 2:24 pm
PHL
-
AUS
18h 25m
2 stops
$225Multiple Airlines
Wed, Feb 18 - Thu, Feb 19
Spirit Airlines Logo
7:15 am - 11:16 pm
AUS
-
PHL
15h 01m
3 stops
Spirit Airlines Logo
5:26 pm - 4:04 pm
PHL
-
AUS
23h 38m
2 stops
$227Spirit Airlines
Tue, Feb 24 - Wed, Feb 25

Southwest flights from Austin to Philadelphia

Our best Southwest deals on Austin to Philadelphia flight tickets
Southwest
Feb 21
AUS10:30 amAustin Bergstrom
6h 30m
1 stop
PHL6:00 pmPhiladelphia
Feb 23
PHL5:25 amPhiladelphia
6h 05m
1 stop
AUS10:30 amAustin Bergstrom
$231
Southwest
Feb 21
AUS7:10 amAustin Bergstrom
5h 10m
1 stop
PHL1:20 pmPhiladelphia
Feb 23
PHL5:25 amPhiladelphia
9h 55m
2 stops
AUS2:20 pmAustin Bergstrom
$236
Southwest
Feb 20
AUS5:45 amAustin Bergstrom
8h 00m
1 stop
PHL2:45 pmPhiladelphia
Feb 20
PHL6:20 pmPhiladelphia
6h 55m
1 stop
AUS12:15 amAustin Bergstrom
$257

Frontier flights from Austin to Philadelphia

Our best Frontier deals on Austin to Philadelphia flight tickets
Frontier
Mar 13
AUS4:14 pmAustin Bergstrom
7h 38m
1 stop
PHL12:52 amPhiladelphia
Mar 22
PHL6:00 amPhiladelphia
28h 36m
1 stop
AUS9:36 amAustin Bergstrom
$216
Frontier
Mar 1
AUS5:48 pmAustin Bergstrom
20h 59m
2 stops
PHL3:47 pmPhiladelphia
Mar 5
PHL6:54 pmPhiladelphia
21h 22m
1 stop
AUS3:16 pmAustin Bergstrom
$221
Frontier
Mar 16
AUS10:55 pmAustin Bergstrom
24h 57m
2 stops
PHL12:52 amPhiladelphia
Mar 19
PHL5:05 amPhiladelphia
11h 10m
1 stop
AUS3:15 pmAustin Bergstrom
$254

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 9, 2026.
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

Fri 3/13

4:14 pm-12:52 am

1 stop7h 38m

Philadelphia

Sun 3/22

6:00 am-9:36 am

1 stop28h 36m

$216

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 3/1

5:48 pm-3:47 pm

2 stops20h 59m

Philadelphia

Sat 3/7

5:28 pm-9:29 am

1 stop17h 01m

$217

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 2/17

7:15 am-8:44 am

1 stop24h 29m

Philadelphia

Fri 2/20

10:59 pm-8:53 pm

2 stops22h 54m

$218

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 2/27

11:34 am-8:51 pm

1 stop8h 17m

Philadelphia

Mon 3/2

8:06 am-7:02 pm

2 stops11h 56m

$219

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 3/1

5:48 pm-3:47 pm

2 stops20h 59m

Philadelphia

Thu 3/5

6:54 pm-3:16 pm

1 stop21h 22m

$221

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 3/26

4:59 pm-12:13 pm

1 stop18h 14m

Philadelphia

Mon 3/30

5:30 am-3:16 pm

2 stops34h 46m

$222

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 3/26

4:59 pm-11:56 pm

1 stop5h 57m

Philadelphia

Mon 3/30

6:08 pm-4:04 pm

1 stop22h 56m

$223

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 3/4

6:10 am-8:44 am

3 stops25h 34m

Philadelphia

Sat 3/7

7:46 pm-9:29 am

2 stops14h 43m

$224

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 2/18

7:15 am-8:50 am

1 stop24h 35m

Philadelphia

Thu 2/19

8:59 pm-2:24 pm

2 stops18h 25m

$225

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 2/24

7:15 am-11:16 pm

3 stops15h 01m

Philadelphia

Wed 2/25

5:26 pm-4:04 pm

2 stops23h 38m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The cheapest month to fly to Philadelphia from Austin is in October. Flight prices, which tend to average around $261, 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 $271.

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 $441. 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 $868.

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 $214. 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 $1,100.

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 $385 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 $264 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.

Can stopping save me money on Austin to Philadelphia flights?

You could potentially save up to 20% on your flight if you consider stops on a Austin to Philadelphia flight.

How have Austin to Philadelphia flight prices changed over time?

As of February 2026, prices for Austin to Philadelphia flights are approximately 16% 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

$386

Fastest flight time

3h 26m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Austin in the past 72 hours is $386. The best round-trip flight deal from Austin to Philadelphia found on momondo in the last 72 hours is $470.
The fastest flight from Austin to Philadelphia takes 3h 26m
Direct flights go from Austin to Philadelphia every day.
There is 1 airport in Philadelphia. From Austin there are direct flights to 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 26m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $81Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
FrontierPriceFrom $102Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
American AirlinesPriceFrom $170Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,174 reviews
Search Delta flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights

  • United Airlines Flights From Austin to Philadelphia

    The lowest priced United Airlines flight from Austin to Philadelphia from the last 72 hours was $272. Generally, United Airlines has 5 flights on this route every week with an average price of $554. United Airlines is rated 7.4/10 by our users.

  • American Airlines Flights From Austin to Philadelphia

    Another popular option for Austin to Philadelphia flights is American Airlines (7.2/10, 11,258 ratings). American Airlines flies from Austin to Philadelphia around 10 times per week, with deals starting from $170 round-trip and rising to an average price of around $418.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Elkton
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
Wed 3/11
Wed 3/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States