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$100+ Cheap flights from Philadelphia to Austin (PHL - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Austin Bergstrom are usually found in July or August, booked 65 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from Philadelphia to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$186
(Cheapflightsfares)

One-way from

$100
(Southwest)

Popular in

March

Cheapest in

July

Average price

$334

Good round-trip deal

$202 or less

Good one-way deal

$103 or less
From Philadelphia to Austin Bergstrom
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One-way flight from Philadelphia to Austin Bergstrom
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Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Philadelphia to Austin Bergstrom.
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Price to beat on a one-way flight from Philadelphia to Austin Bergstrom.
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Find flight deals from Philadelphia to Austin

Cheapest flights from Philadelphia to Austin
Explore the most affordable flight options available from Philadelphia to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:20 amPHL - AUS
Nonstop3h 50mFrontier
Sun 10/1210:05 amAUS - PHL
Nonstop3h 32mFrontier
Deal found 7/3$186
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:30 amPHL - AUS
2 stops7h 00mSouthwest
Mon 8/184:35 pmAUS - PHL
1 stop5h 00mSouthwest
Deal found 7/1$188
This Priceline deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:47 pmPHL - AUS
Nonstop3h 42mMultiple Airlines
Wed 7/237:30 amAUS - PHL
1 stop7h 46mMultiple Airlines
Deal found 6/30$193
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:01 amPHL - AUS
Nonstop3h 39mAmerican Airlines
Wed 7/308:00 amAUS - PHL
Nonstop3h 34mAmerican Airlines
Deal found 7/2$196
This FlightHub deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:22 amPHL - AUS
1 stop9h 14mSpirit Airlines
Sun 10/194:31 pmAUS - PHL
1 stop23h 39mSpirit Airlines
Deal found 6/30$201
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/65:30 amPHL - AUS
1 stop4h 56mDelta
Mon 8/116:20 pmAUS - PHL
1 stop5h 36mDelta
Deal found 7/2$237

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Austin 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Philadelphia to Austin that are best for you.

Fly from

Philadelphia

Fly to

Austin

Route

Depart

Return

Price

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 7/17

3:47 pm-6:29 pm

Nonstop3h 42m

Austin Bergstrom

Mon 7/21

5:31 pm-12:35 am

1 stop6h 04m

$187

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 8/14

5:30 am-11:30 am

2 stops7h 00m

Austin Bergstrom

Mon 8/18

4:35 pm-10:35 pm

1 stop5h 00m

$188

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 7/17

3:47 pm-6:29 pm

Nonstop3h 42m

Austin Bergstrom

Wed 7/23

7:30 am-4:16 pm

1 stop7h 46m

$193

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 7/23

7:01 am-9:40 am

Nonstop3h 39m

Austin Bergstrom

Wed 7/30

8:00 am-12:34 pm

Nonstop3h 34m

$196

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 9/25

1:58 pm-12:59 am

1 stop12h 01m

Austin Bergstrom

Mon 9/29

12:53 pm-9:15 pm

1 stop7h 22m

$232

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 8/6

6:27 pm-11:00 pm

1 stop5h 33m

Austin Bergstrom

Wed 8/13

6:40 am-1:30 pm

1 stop5h 50m

$237

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Tue 7/22

7:20 am-2:05 pm

1 stop7h 45m

$100

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sun 7/27

3:47 pm-6:29 pm

Nonstop3h 42m

$109

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 7/28

7:00 am-12:52 pm

1 stop6h 52m

$113

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 9/4

10:10 am-9:20 pm

2 stops12h 10m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Philadelphia to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Austin

How far ahead should I book a flight from Philadelphia to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Austin. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Austin?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $286). Flying from Philadelphia to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to AUS?

Find hourly flight availability from Philadelphia to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Philadelphia to Austin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight at noon.

What is the cheapest day to fly from Philadelphia to Austin?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Austin. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated July 3, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Philadelphia to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Philadelphia to Austin?

    You will need to book a flight from Philadelphia to Austin Bergstrom if you want to fly from Philadelphia to Austin. At least 6 different airlines have flights from Philadelphia (PHL) to Austin Bergstrom (AUS) on a regular basis. There is 1 flight to Austin from the Philadelphia airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PHL to AUS to be around 3h 39m.

  • How popular is this Philadelphia to Austin flight route?

    The Philadelphia to Austin Bergstrom flight path was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Philadelphia to Austin round-trip?

    Flying on Frontier is currently your cheapest option to Austin, with prices starting at $186. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $188 and $196, respectively. Users have found that Frontier is 55% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Philadelphia to Austin one-way?

    One-way options have recently been found by users for as low as $100 on Southwest. Other airlines that offer cheap prices include Frontier from $109 and Spirit Airlines from $113 one-way.

  • What are the most reliable airlines from Philadelphia to Austin?

    Consider American Airlines (75%), Qatar Airways (63%) or Iberia (57%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Austin.

  • What are the cheapest flights from Philadelphia to Austin?

    The cheapest flight price from Philadelphia to Austin is $79. On average you can expect to pay $218. The most popular route, (Philadelphia - Austin Bergstrom), can usually be booked for $148.

  • Can I find deals for flights from Philadelphia to Austin that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Austin.

  • Can I find deals for business class flights from Philadelphia to Austin?

    Yes. Cheapflights offers flight deals from Philadelphia to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Austin?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $286). Flying from Philadelphia to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
San Marcos
Georgetown
Fredericksburg
Pflugerville
Dripping Springs
Cedar Park
Canyon Lake
Bastrop
Round Rock
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Austin

Discover the top 6 airlines that operate flights from Philadelphia to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$214FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$180Average$261FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$223Average$442FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$372FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$293Average$466FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$458FlexibilityNo cancel feeOn-time63%

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