PHL - AUS

$85 Find Cheap Flights from Philadelphia to Austin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Austin departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Austin

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Austin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Austin, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Philadelphia to Austin (PHL-AUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Austin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Austin

dom, ott 5 - lun, ott 6
Frontier Logo
7:00 am - 10:13 amPHL-AUS
4h 13mnonstop
Frontier Logo
10:23 am - 3:01 pmAUS-PHL
3h 38mnonstop
$140Frontier
Find Deal
ven, set 5 - lun, set 8
Frontier Logo
5:15 am - 4:34 pmPHL-AUS
12h 19m1 stop
Frontier Logo
10:23 am - 3:01 pmAUS-PHL
3h 38mnonstop
$141Frontier
Find Deal
lun, ott 27 - lun, ott 27
Frontier Logo
1:12 pm - 4:02 pmPHL-AUS
3h 50mnonstop
Frontier Logo
6:02 pm - 12:59 amAUS-PHL
5h 57m1 stop
$142Frontier
Find Deal
mer, set 24 - mer, ott 1
American Airlines Logo
8:25 am - 11:14 amPHL-AUS
3h 49mnonstop
American Airlines Logo
7:00 am - 11:28 amAUS-PHL
3h 28mnonstop
$149American Airlines
Find Deal
dom, ott 26 - gio, ott 30
 Logo
6:10 am - 9:00 amPHL-AUS
3h 50mnonstop
 Logo
4:30 pm - 11:52 amAUS-PHL
18h 22m1 stop
mer, set 24 - mer, ott 1
American Airlines Logo
8:25 am - 11:14 amPHL-AUS
3h 49mnonstop
American Airlines Logo
7:00 am - 11:28 amAUS-PHL
3h 28mnonstop
$154American Airlines
Find Deal
lun, set 15 - sab, set 20
 Logo
6:20 am - 9:33 amPHL-AUS
4h 13mnonstop
 Logo
5:45 am - 3:27 pmAUS-PHL
8h 42m1 stop
mer, set 24 - mer, ott 1
Southwest Logo
6:30 am - 11:30 amPHL-AUS
6h 00m1 stop
Southwest Logo
3:55 pm - 9:50 pmAUS-PHL
4h 55m1 stop
$169Southwest
Find Deal
mer, set 24 - gio, set 25
Southwest Logo
6:30 am - 2:45 pmPHL-AUS
9h 15m2 stops
Southwest Logo
5:05 am - 11:00 amAUS-PHL
4h 55m1 stop
$174Southwest
Find Deal
mer, ott 22 - sab, ott 25
Spirit Airlines Logo
12:00 pm - 9:45 pmPHL-AUS
10h 45m1 stop
Spirit Airlines Logo
6:00 am - 6:49 pmAUS-PHL
11h 49m1 stop
$183Spirit Airlines
Find Deal
Expert advice

Expert advice for your flight from Philadelphia to Austin

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
PHL

PHL offers public transportation with SEPTA trains to downtown, taking about 30 minutes. It's a cost-effective option for reaching the airport.

Read more about PHLby Harriet Baskas
AUS

CapMetro’s Bus Route 20 is the cheapest way to downtown Austin, running every 15 minutes and taking about 35 minutes.

Read more about AUSby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on PHL and AUS

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Booking Insights

KAYAK's insights & trends for Philadelphia to Austin flights

Get data-powered insights and trends into flights from Philadelphia to Austin to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Austin
Find cheap flights to Austin

Planning a trip from Philadelphia to Austin? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What is the most popular layover airport when flying from Philadelphia to Austin?

Percentage of 1-stop round-trip flights from Philadelphia to Austin chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Atlanta (ATL) is the top choice – 36% of KAYAK users who clicked on 1-stop flights from Philadelphia to Austin picked an itinerary connecting there.

What is the cheapest layover airport when flying from Philadelphia to Austin?

Average round-trip price for 1-stop flights from Philadelphia to Austin clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Denver (DEN) offer the most affordable fares, with an average round-trip price of $188.

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

Shortest average total travel time for 1-stop one-way flights from Philadelphia to Austin via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via St. Louis (STL) for the shortest journey. The average one-way travel time for flights connecting there is 5h 23m.

Which layover airport has the quickest connection when flying from Philadelphia to Austin?

Average layover duration at different layover airports for 1-stop one-way flights from Philadelphia to Austin, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Philadelphia to Austin, with an average of 0h 47m.

Good to know

Low seasonJanuary
Cheapest flight$85
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 7% increase in price.
Flight from Philadelphia to Austin

When to book flights from Philadelphia to Austin

Are your dates flexible? Find out the best times to travel from Philadelphia to Austin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
  • Where can I park my car in PHL?

    If you drive your car to PHL, you need not worry about driving round and round looking for a parking spot, as PHL boasts numerous parking garages. If you'd like to park your car for the period of your trip, you can do so at Terminal Parking Garages, situated a short distance from the airport's terminals.

  • Does AUS have an onsite hotel?

    AUS does not have an onsite hotel. However, it is close to Hyatt Place Austin Airport and Hilton Austin Airport. You'll be accorded free airport shuttle services as a guest at either of these hotels. You'll also be accorded a comfortable room and fantastic customer care.

  • Where is the children's play area in PHL located?

    PHL is home to the Ready for Take-Off kids' play area. Located in the eastern wing of Terminal A, this superb store boasts aviation-themed toys and child-proofed play areas. At this attraction, you can watch your child have lots of fun while you await your flight to AUS.

  • What are some of the nearby destinations I can easily get to from AUS?

    Once you land at AUS, there are several destinations you'll easily get to, Austin being one of them. From this airport, you'll also be able to easily travel to Llano, Taylor, Johnson City, Fredericksburg, Marble Falls, and San Antonio.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Austin

  • Looking for a cheap flight? 25% of our users found flights on this route for $139 or less one-way and $171 or less round-trip.
  • To board your flight to Austin in Philadelphia, you'll have to head to Philadelphia International Airport (PHL), as it is the only airport that offers flights that ply this route. You can board a train, line 37 bus, or taxi to get to this airport from the city center. Of the three, the bus is the cheapest, while the taxi is the quickest. If you'd like to balance speed and cost, the local train is the best means of transport for you.
  • PHL normally serves thousands of travelers each day. As a result, it normally has lengthy security lines. On the date you're set to fly to Austin, you should get to the airport at least 1h 30min before your flight so that you avoid missing your flight because of being stuck in one of the airport's security lines.
  • When waiting for your flight to Austin, you can gain lounge access to several lounges in PHL, so long as you're willing to pay at the door or purchase a membership program. These lounges are Centurion Lounge, located in Terminal A-West near Gate A14, United Club, situated on the second level, between Concourse C and D, and American Airlines Admirals Club, located in various parts of the airport.
  • In Austin, you'll alight from your flight at Austin–Bergstrom International Airport (AUS). At this airport, you can check out various art pieces by local artists on display throughout the airport. You can also check out local musicians who perform live in the airport Monday to Friday, often from 4 pm to 6 pm.
  • AUS features ramps, wheelchairs, and elevators. It also has well-trained airport staff who know how to offer special assistance services. Given that this airport features amenities that'll improve your experience and staff members who will cater to you, if you're a disabled traveler, you can count on having a smooth experience once you land.

Prefer to fly direct from Philadelphia to Austin?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Austin Bergstrom.
Find which airlines fly direct from Philadelphia Airport to Austin Bergstrom Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Austin Bergstrom

Monday

American Airlines, Frontier, Iberia, +2 more

American Airlines, Frontier, +3 more

Tuesday

American Airlines, Iberia, Qatar Airways

American Airlines, Iberia, +1 more

Wednesday

American Airlines, Iberia, Qatar Airways

American Airlines, Iberia, +1 more

Thursday

American Airlines, Frontier, Iberia, +2 more

American Airlines, Frontier, +3 more

Friday

American Airlines, Iberia, Qatar Airways

American Airlines, Iberia, +1 more

Saturday

American Airlines, Iberia, Qatar Airways

American Airlines, Iberia, +1 more

Sunday

American Airlines, Frontier, Iberia, +2 more

American Airlines, Frontier, +3 more

See more direct flights

Direct returns

Austin Bergstrom to Philadelphia

Monday

Aer Lingus, American Airlines, Frontier, +2 more

Aer Lingus, American Airlines, +3 more

Tuesday

Aer Lingus, American Airlines, Iberia, +1 more

Aer Lingus, American Airlines, +2 more

Wednesday

Aer Lingus, American Airlines, Iberia, +1 more

Aer Lingus, American Airlines, +2 more

Thursday

Aer Lingus, American Airlines, Frontier, +2 more

Aer Lingus, American Airlines, +3 more

Friday

Aer Lingus, American Airlines, Iberia, +1 more

Aer Lingus, American Airlines, +2 more

Saturday

Aer Lingus, American Airlines, Iberia, +1 more

Aer Lingus, American Airlines, +2 more

Sunday

Aer Lingus, American Airlines, Frontier, +2 more

Aer Lingus, American Airlines, +3 more

See more direct flights

Reviews of the top 5 airlines serving from Philadelphia to Austin

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Austin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Austin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4242 reviews
8.6Crew
8.1Boarding
7.5Entertainment
7.0Food
8.0Comfort
Airline reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

2.0 MediocreMike, Aug 2025AUS - BWI
Read more Southwest reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.

For my birthday trip this was my second time ever flying, this trip was the best.

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

The movies using Southwest WiFi kept pausing and I had to restart multiple times.

First, my flight was a usual flight nothing exceptional or unexpected. Over all it was a normal, good flight! Second, your questionaire is wholly lacking in the proper options to which one can answer a question. Often on short flights, there is no food let alone entertainment so why isn't that reflected in your questionaire? A simple "not applicable" would cover that issue appropriately but no, your form arbitrarily enters an answer based on the initial assessment which normally isn't factual. Until you provide an accurate means of assessing flights, I'll no longer be completing of these unimpressive and misleading assessements. Thank you!

Easy to book and to get check in and get on and off.

First time I’ve ever missed a flight and it was an international flight.. Southwest put me on the next flight and it was the best experience possible.

It seems as though the provisions are even less. Although SWA used to be an economy Airline, that isn't really the case anymore. I paid over $700. for a round trip to Denver and I could have flown just about any airline for the price. The drinks are now in a 6-ounce cup and with ice I'm sure a can would fill more than 2 cups. However, I am very proud of SWA for using paper rather than continuing to contribute to the millions of plastic cups being used each day. I've thought of this fr many years and am so glad to see it come to fruition, if not by only SWA so far.

Service was great, boarding and exiting went smoothly, and the flight was very pleasant.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Plane was delayed for 6 hours, at first by weather, which is understandable, but was further delayed with NO given reason for 2 1/2 hours more. We had no clue when we were going to depart actually until they opened the ramp. VERY POOR to ZERO COMMUNICATION!!!

Flight was delayed and after being in the airport for like seven hours, it was canceled.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

Overall very good, only complaint I have is the crew from CLT to SAT could have collected trash sooner.

Above and beyond effort from this crew in a tough situation. So helpful and understanding. Thank you!

We started with trouble checking in 24 hours early. Then my husband did not get his TSA precheck. Finally flight delayed due to no crew. I know things happen

Most miserable flight ever. We waited almost 2 hours on the runway because the flight was oversold. American offered $1200 credit. Then there was some nonsense about weight distribution. Ridiculous. No food for 8 plus hours on the flight. I will be writing a letter.

Honestly, I haven’t flown American in years, probably due to the pandemic and my being unable to travel for certain periods in the last two years, but it was a good experience to dig out or obtain a new American Airlines account after many years of traveling for business with American in the past.

It’s a great flight. Service is good. Staff is awesome.

Everything about the flight was lovely…We left early, arrived early, cabin crew were efficient and helpful. Flight was easy and most pleasant.

For the minimalist experience, it is really a great ride-- feels a little like public transport i guess

I didn't order food. I requested a Tomato juice and was given a boody mary mix. The serve needs to warn the customer what their given. It wasn't a huge deal, but I wasted $4.50.

EVERYTHING! It was so bad that I will be filing a claim for reimbursement for my seat as I could not fully sit in it due to an obese person being next to me and spilling over into my "space." And my personal item in the overhead been got crushed between two suitcases, so now my business laptop has been damaged beyond repair. Also, it was expensive! Since you pay for EVERYTHING, the cost of the trip was probably more than if you I used an airline that was not discounted. I will NEVER fly Spirit Airlines again!

One of worst experienc my family have every had with this airline. I was informed my Kayak that my flight was delayed and that my family will not make it to houston for our connecting flight. I contacted Spirit customer service to get my family on a later flight due to the delay in Vagas and them not making their connecting flight. The customer rep keep telling me that the flight from vagas is on time and not delayed. She even make to go to the spirit app on my phone and show me how to look up weather or not the flight was delayed. The app showed "on time" 20 minutes later when my family arrived at the airport for their flight, they were told that the flight was delayed and she will not make her connecting flight. I call spirit airline customer support again that night and spoke to another rep who apologize for his collegue and he told me that my family will receive a credit for this, this was on Saturday I still have not received the credit or an email letting me know when I will be credited for this inconvenience. This is not good business and it need to be fixed.

It was very bad it got delayed by 2 hours.Never going to travel with spirit airlines in future.

Flight delayed over 3 or 4 hours because no captain to fly plane. I couldn’t make a connection and had to wait 9 hours for another flight. Had to fly red eye flight. Sucks

I wanted to upgrade my seat because I’m 6’2 and never have enough leg room for my comfort. They upgraded my seat for free putting me in an emergency exit seat. I was very comfortable

The spirit flight was on time. The airplane itself was surprisingly very nice. We had great seats. Seems like there's more room. Only complaint is that I didn't get a full refund for my mistakenly buying the baggage twice.

We had an almost 7 hour flight delay. We left the gate twice and taxi-ed and then returned the gate twice. Finally we got a new flight crew (our third one) and then left the gate to the final time before departing at 6:45pm (original flight time was 12pm). Out of Newark.

First off, i received an e-mail to allow me to check in for our flight. I folllowed the link, when it came to the seat selection, I was unable to select any "free" seats ( meaning without any additional charge) because everything was " unavailable". My Husband and I were ttavelling with our 3 children hence, i wanted to be assured that we were all seated next to each other. I tried 3 times and everytime I click the selection it said " error loading". What the system wants is for me to buy the seats ( anywhere from $25 to $50 dollars each passenger) like I did on our flight bound to L.A. I called customer service and the guy was unhelpful all he kept repeating was to come really early at the airport and we will be assigned seats there. Imagine my anxiety!!! Spirit says they are a budget airline but they are actually the opposite!! And just before our flight, the flight attendant KEPT announcing/ selling the seats that were not purchased for a cheaper price!! Like it was a bidding/ bargaining game! This was our first and last time to fly Spirit.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

sluggish boarding and arrival procedures, fake nice flight attendants, and lots of delays.

Disaster. They lied every step of the way. We ended up being delayed due to crew and then allegedly abandoned the flight because of a curfew at LGA. No rebooking to LGA at any reasonable time. No hotel. No meal vouchers. Had to sleep in the airport and fly to Newark instead. Will never fly Frontier again.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

Severe turbulence. Captain never came on to reassure passengers after things settled down.

My first flight was delayed 5 hours. The 2nd flight was canceled til the next day and the never even tried to compensate for it. Worse I was delayed again on the flight the rebooked me on.

Boarding in Orlando was not good. Giant mob at the gate, should have been lines.

Decent clean onboard experience. Okay discount airline experience. Unfortunately, any customer service interactions are difficult and unhelpful. There is no service. Also, a premium seat only gets you premium boarding if you line up first. Once they start general boarding you must go to the back of the line. Not very premium

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