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$123+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Austin Bergstrom are usually found in August or September, booked 65 days in advance, depart on a Tuesday or Saturday 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 April 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$245
(CheapOair)

One-way from

$123
(Cheapflightsfares)

Popular in

April

Cheapest in

August

Average price

$502

Good round-trip deal

$291 or less

Good one-way deal

$211 or less
Provider with most accurate pricing for Philadelphia-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Austin Bergstrom flights.
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From Philadelphia to Austin Bergstrom
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One-way flight from Philadelphia to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 30, 2025.

This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:12 pmPHL - AUS
1 stop24h 08mSpirit Airlines
Sun 6/87:25 pmAUS - PHL
1 stop11h 23mSpirit Airlines
Deal found 4/30$245
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 6/193:49 pmPHL - AUS
Nonstop3h 40mFrontier
Sun 6/227:24 pmAUS - PHL
Nonstop3h 35mFrontier
Deal found 4/29$247
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:45 amPHL - AUS
Nonstop3h 49mMultiple Airlines
Mon 5/268:11 pmAUS - PHL
1 stop8h 50mMultiple Airlines
Deal found 4/30$251
This Delta deal was found by Cheapflights users on 4/28. 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 5/2810:36 amPHL - AUS
1 stop7h 42mDelta
Wed 6/45:40 amAUS - PHL
1 stop5h 30mDelta
Deal found 4/28$253
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/96:15 amPHL - AUS
1 stop5h 52mUnited Airlines
Fri 6/135:18 pmAUS - PHL
1 stop6h 27mUnited Airlines
Deal found 4/30$267
This Southwest deal was found by Cheapflights users on 4/29. 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 6/58:20 pmPHL - AUS
1 stop5h 20mSouthwest
Mon 6/92:45 pmAUS - PHL
2 stops7h 50mSouthwest
Deal found 4/29$316
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/187:05 amPHL - AUS
Nonstop3h 36mAmerican Airlines
Sun 6/225:00 amAUS - PHL
1 stop5h 52mAmerican Airlines
Deal found 4/29$338

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 April 30, 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

Fri 6/6

7:12 pm-6:20 pm

1 stop24h 08m

Austin Bergstrom

Sun 6/8

7:25 pm-7:48 am

1 stop11h 23m

$245

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 6/19

3:49 pm-6:29 pm

Nonstop3h 40m

Austin Bergstrom

Sun 6/22

7:24 pm-11:59 pm

Nonstop3h 35m

$247

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 5/22

7:45 am-10:34 am

Nonstop3h 49m

Austin Bergstrom

Mon 5/26

8:11 pm-6:01 am

1 stop8h 50m

$251

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 5/28

10:36 am-5:18 pm

1 stop7h 42m

Austin Bergstrom

Wed 6/4

5:40 am-12:10 pm

1 stop5h 30m

$253

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Mon 6/9

6:15 am-11:07 am

1 stop5h 52m

Austin Bergstrom

Fri 6/13

5:18 pm-12:45 am

1 stop6h 27m

$267

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Wed 6/4

7:01 pm-10:00 pm

Nonstop3h 59m

Austin Bergstrom

Sat 6/7

8:00 am-12:35 pm

Nonstop3h 35m

$313

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 6/5

8:20 pm-12:40 am

1 stop5h 20m

Austin Bergstrom

Mon 6/9

2:45 pm-11:35 pm

2 stops7h 50m

$316

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Thu 5/15

6:00 am-6:20 pm

1 stop13h 20m

$123

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Sat 6/7

6:35 am-12:55 pm

2 stops7h 20m

$132

PhiladelphiaAustin

PHL - AUS

PHLAUS

Philadelphia

Fri 6/6

10:35 am-8:03 pm

2 stops10h 28m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 results
1
2

Compare providers for flights from Philadelphia to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Austin in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Austin flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Austin flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Philadelphia-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Austin flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 25, 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 April 30, 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 March 30, 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.

Weekly flight availability from Philadelphia to Austin

Explore weekly flight availability from Philadelphia to Austin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2025.

The most flights from PHL to AUS are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 April 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta 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.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,935 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 are 2 flights 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 36m.

  • How popular is this Philadelphia to Austin flight route?

    The Philadelphia to Austin Bergstrom flight path was viewed by 5 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 Spirit Airlines is currently your cheapest option to Austin, with prices starting at $245. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $247 and $253, respectively. Users have found that Spirit Airlines is 43% 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 $123 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $132 and United Airlines from $144 one-way.

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

    Consider American Airlines (77%), Aer Lingus (66%) or Iberia (65%) 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 $110. On average you can expect to pay $331. The most popular route, (Philadelphia - Austin Bergstrom), can usually be booked for $197.

  • 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
Round Rock
Dripping Springs
Cedar Park
Pflugerville
Bastrop
Canyon Lake
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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$227FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$174Average$258FlexibilityNo cancel feeOn-time65%
DeltaCheapest$226Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$303Average$509FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$465FlexibilityNo cancel feeOn-time63%

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