AUS - PHL

$67 Find Cheap Flights from Austin to Philadelphia - Compare and Save

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Everything you should know

Cheapest round-trip
$338
Typical prices: $288-$534
Frontier
Wed 10/10Thu 10/11
AUS - PHL • 1 stop
Cheapest non-stop
$443
Typical prices: $337-$555
American Airlines
Sat 11/24Sat 12/1
AUS - PHL • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 3h 39m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 41% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $202 (round-trip)
Shortest trip • 5h 18m (one-way)
Insights
Insights
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We hope you love your trip to Philadelphia!
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Booking Insights
Expert advice
Flight Deals

Cheap Flights from Austin to Philadelphia (AUS-PHL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Philadelphia

Sat, Oct 10 - Sun, Oct 11
Frontier Logo
12:08 pm - 11:11 pmAUS  Austin Bergstrom-PHL Philadelphia
10h 03m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:20 pm - 10:57 amPHL  Philadelphia-AUS Austin Bergstrom
16h 37m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
$338Frontier
Mon, Oct 5 - Sun, Oct 11
Frontier Logo
6:33 pm - 7:16 amAUS  Austin Bergstrom-PHL Philadelphia
11h 43m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:03 pm - 10:57 amPHL  Philadelphia-AUS Austin Bergstrom
17h 54m1 stop Atlanta Hartsfield-Jackson
$338Frontier
Fri, Oct 23 - Sun, Oct 25
Multiple Airlines Logo
9:12 pm - 6:15 pmAUS  Austin Bergstrom-PHL Philadelphia
20h 03m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:12 pm - 5:46 pmPHL  Philadelphia-AUS Austin Bergstrom
6h 34m1 stop Des Moines
$339Multiple Airlines
Tue, Sep 29 - Thu, Oct 1
Multiple Airlines Logo
6:33 pm - 7:16 amAUS  Austin Bergstrom-PHL Philadelphia
11h 43m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:22 pm - 6:27 pmPHL  Philadelphia-AUS Austin Bergstrom
7h 05m1 stop Des Moines
$355Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Southwest Logo
7:10 am - 1:15 pmAUS  Austin Bergstrom-PHL Philadelphia
5h 05m1 stop Nashville Intl
Southwest Logo
6:40 pm - 11:00 pmPHL  Philadelphia-AUS Austin Bergstrom
5h 20m1 stop Lambert-St Louis
$377Southwest
Tue, Oct 6 - Tue, Oct 13
Southwest Logo
6:00 am - 12:05 pmAUS  Austin Bergstrom-PHL Philadelphia
5h 05m1 stop Dallas Love Field
Southwest Logo
6:00 am - 11:45 amPHL  Philadelphia-AUS Austin Bergstrom
6h 45m2 stops Nashville Intl Memphis
$382Southwest
Tue, Nov 24 - Tue, Dec 1
American Airlines Logo
2:41 pm - 7:19 pmAUS  Austin Bergstrom-PHL Philadelphia
3h 38mnonstop
American Airlines Logo
6:35 pm - 9:55 pmPHL  Philadelphia-AUS Austin Bergstrom
4h 20mnonstop
$443American Airlines
Sat, Dec 12 - Tue, Dec 15
American Airlines Logo
7:00 am - 11:27 amAUS  Austin Bergstrom-PHL Philadelphia
3h 27mnonstop
American Airlines Logo
6:52 pm - 9:59 pmPHL  Philadelphia-AUS Austin Bergstrom
4h 07mnonstop
$443American Airlines
Wed, Dec 16 - Tue, Jan 12
Delta Logo
12:15 pm - 7:30 pmAUS  Austin Bergstrom-PHL Philadelphia
6h 15m1 stop Detroit Metropolitan Wayne County
Delta Logo
4:00 pm - 8:59 pmPHL  Philadelphia-AUS Austin Bergstrom
5h 59m1 stop Atlanta Hartsfield-Jackson
$483Delta
Tue, Dec 15 - Sat, Jan 9
Delta Logo
12:15 pm - 7:30 pmAUS  Austin Bergstrom-PHL Philadelphia
6h 15m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 am - 11:05 amPHL  Philadelphia-AUS Austin Bergstrom
6h 05m1 stop Detroit Metropolitan Wayne County
$483Delta
Booking Insights

Price, demand and travel trends for Austin to Philadelphia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Austin to Philadelphia with more confidence.

How much is a round-trip flight from Austin to Philadelphia?

Round-trip flights from Austin to Philadelphia start at $338. Prices are typical for this route right now, with typical round-trip fares ranging from $288 to $534. The lowest price found in the past 5 days was $338 on Frontier.

What's the cheapest day of the week to fly from Austin to Philadelphia?

Thursday is the cheapest day of the week to fly from Austin to Philadelphia, it is 17% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • October is the cheapest month to fly from Austin to Philadelphia at $261 round-trip.
  • July ($512) and March ($510) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 96% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Austin to Philadelphia the cheapest?

Flights from Austin to Philadelphia are cheapest 5 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Austin to Philadelphia

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Qatar Airways

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines, PHL and AUS

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.

Key details for Austin to Philadelphia flights

Low season

February

Cheapest flight

$67
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Austin to Philadelphia

When to book flights from Austin to Philadelphia

Are your dates flexible? Find out the best times to travel from Austin to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Austin to Philadelphia flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Does Philadelphia International Airport have pet relief areas?

    If you’re traveling with your pet and are looking for a pet relief area at Philadelphia International Airport, you should know that the airport has plenty of dedicated spaces in every terminal as well as outside. For travelers arriving at the airport, one is conveniently located adjacent to Terminal A on your way to baggage claim. There are two others along the commercial vehicle roadway on Terminals B and E.

  • Which is the quickest way to get to Austin Bergstrom International Airport?

    If you’re in a hurry and need to get to Austin Bergstrom International Airport quickly, a taxi would be the most ideal means to use. Not only can they be found anywhere around the city center in Austin and downtown, but they are also incredibly fast and drop you outside the airport. You can also choose to drive via the I-35 E.

  • Which airlines have a lounge at Austin Bergstrom International Airport?

    To enjoy the lounge facilities at Austin Bergstrom International Airport, consider booking your flight with American Airlines, United Airlines, or Delta. Each airline has a lounge at the airport offering a wide range of amenities such as TVs, Wi-Fi, snacks, and drinks. The American Airlines Admirals Club can be found Airside on the main terminal on the mezzanine level across from Gate 22. The United Club is a few doors down from the Admirals Club while the Delta Sky Club is located on the same Terminal but further up near Gate 4.

  • Are there any onsite hotels at Austin Bergstrom International Airport?

    There are two hotels within proximity of Austin Bergstrom International Airport; Hilton Austin Airport and Hyatt Place Austin Airport. If you have an early flight out of the airport, consider staying at one of these hotels. Doing so will eliminate the hectic commute to the airport, reducing the chances of traffic delays. In addition, both hotels offer an airport shuttle, so you will be dropped off outside the airport terminal.

  • Which airlines offer extra legroom and free seat selection on Austin to Philadelphia flights?

    Among airlines operating Austin to Philadelphia flights:

    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Austin to Philadelphia?

    Only American Airlines operates flights between Austin and Philadelphia.

  • Which airports can I use when flying from Austin to Philadelphia?

    Flights from Austin to Philadelphia usually depart from Austin Bergstrom (AUS) and arrive at Philadelphia (PHL).

  • Which airlines include bags at no extra cost on Austin to Philadelphia flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Austin to Philadelphia?

    Three cabin classes are available on flights from Austin to Philadelphia:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Austin to Philadelphia?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $202 round-trip via Miami (MIA), compared to $465 for nonstop.

  • What is the standard checked-bag allowance on flights from Austin to Philadelphia?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Austin to Philadelphia?

    The Airbus A319 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

  • Which airports do connecting flights from Austin to Philadelphia pass through?

    One-stop flights from Austin to Philadelphia most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 23% of one-stop connections
    • Fort Lauderdale (FLL) - 14% of one-stop connections
    • Nashville Intl (BNA) - 11% of one-stop connections
    • Dallas Love Field (DAL) - 11% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Austin to Philadelphia?

    Yes. Being flexible with your travel dates can save you up to 24% on the Austin to Philadelphia route. Thursday is the cheapest departure day at $370 round-trip on average, while Friday is the most expensive at $485, a difference of $115. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Austin to Philadelphia spread across the day?

    Afternoon is the busiest departure period on Austin to Philadelphia flights, with 66% of flights leaving in that window. Morning departures account for 34%, evening flights for 0%, and night flights for 0%.

  • What popular places can I visit in Philadelphia?

    Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

  • What are the earliest and latest flights from Austin to Philadelphia?

    These are the earliest and latest flight times available from Austin to Philadelphia:

    • Earliest: departs at 6:00 am and lands at 9:39 am
    • Latest: departs at 5:40 pm and lands at 9:19 pm.

    The flight takes about 3h 39m.

  • How expensive are last-minute Austin to Philadelphia flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $442. Book 5 weeks before departure for the lowest fares.

  • How long is a flight from Austin to Philadelphia?

    A nonstop flight from Austin to Philadelphia takes 3h 39m, covering 1,428 miles.

  • Do I need a passport to fly from Austin to Philadelphia?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Austin to Philadelphia changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $338 to $1,271. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Austin to Philadelphia looking right now?

    One-way fares from Austin to Philadelphia are currently lower than usual. Average one-way flight prices are about $207, which is 17% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Austin to Philadelphia?

    Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 5h 18m, compared with 5h 21m via Dallas Love Field (DAL) and 5h 37m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Austin and Philadelphia?

    Philadelphia is 1 hour ahead of Austin (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Philadelphia Airport (PHL)?

    Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    · Payless
    · Dollar
    · Hertz
    · Thrifty
    · Budget

  • How much should I expect to pay for a Austin to Philadelphia flight?

    Round-trip flights from Austin to Philadelphia range from $288 to $534, with an average of $442 over the past 12 months. Anything below $288 counts as a good deal.

  • Which airlines offer Wi-Fi on Austin to Philadelphia flights?

    American Airlines is the only airline on the Austin to Philadelphia route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Austin to Philadelphia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $370 - about $115 less than Friday (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 30% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Philadelphia trip for October. Fares historically average $261 round-trip in that month - typically $251 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Miami Airport (MIA) can be cheaper than flying direct. The cheapest layover option averages $202 round-trip on this route - about $263 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Philadelphia Airport.
    - Embassy Suites by Hilton Philadelphia Airport
    - DoubleTree by Hilton Philadelphia Airport
    - Microtel Inn & Suites by Wyndham Philadelphia Airport
  • To get wheelchair assistance at both airports, ensure you inform your airline as you book your flight. They will communicate to the staff at both airports, ensuring that you have a wheelchair waiting for you when you get to the departure terminal at Austin Bergstrom Airport (AUS) and as soon as you land at Philadelphia International Airport (PHL).
  • If you’re traveling with an infant and need a nursing station at AUS Airport, you can find one after the security checkpoints across from Gate 7.
  • When booking connecting flights, please confirm if the flight is an automatic transfer or self-transfer. In the case of a self-transfer, it is up to you to ensure that you’ve checked yourself and your bags into each individual flight.
  • If you want to leave your car at Austin Bergstrom Airport, consider the Economy Parking Lot. It is located north of Garages 1 and 2 and charges a flat rate of around $8 daily.
  • Philadelphia International Airport has a kids’ play area in Terminal A-East. If you’re traveling with kids, you can let them hang around the airplane museum as you clear baggage claim.

Prefer to fly direct from Austin to Philadelphia?

 
Find which airlines fly direct from Austin Bergstrom Airport to Philadelphia Airport, which days they fly and book direct flights.

Direct departures

Austin Bergstrom to Philadelphia

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

Philadelphia to Austin Bergstrom

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

More options for your flight from Austin to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental