$116+ Cheap flights from Philadelphia to Austin (PHL - AUS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Austin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to Austin Bergstrom are usually found in December or November, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Saturday
Cheap flight deals from Philadelphia to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to AustinExplore 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 September 24, 2026.
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 September 24, 2026.
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:03 pm -
2 stops17h 55m
Wed 11/41:17 pm -
2 stops28h 02m
Deal found 9/22![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 am -
1 stop6h 43m
Thu 10/293:43 pm -
2 stops17h 11m
Deal found 9/22![Frontier logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:22 pm -
1 stop18h 35m
Mon 10/1912:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Sun 10/187:15 am -
1 stop27h 42m
Fri 10/3012:20 pm -
1 stop9h 56m
Deal found 9/20![Frontier logo]()
$308
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Mon 11/235:01 am -
1 stop16h 13m
Mon 11/309:14 pm -
1 stop26h 33m
Deal found 9/20![Frontier logo]()
$309
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:50 am -
1 stop14h 36m
Mon 10/269:12 pm -
1 stop9h 06m
Deal found 9/21![Frontier logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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.
Fri 12/252:45 pm -
1 stop10h 18m
Thu 1/710:31 am -
1 stop8h 31m
Deal found 9/21![Frontier logo]()
$311
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 12/172:45 pm -
1 stop10h 18m
Wed 12/309:07 pm -
1 stop10h 28m
Deal found 9/20![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:22 pm -
1 stop18h 35m
Fri 10/1612:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 10/228:44 pm -
1 stop24h 43m
Mon 10/269:12 pm -
1 stop9h 06m
Deal found 9/20![Frontier logo]()
$314
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Tue 10/135:22 pm -
2 stops19h 55m
Sat 10/1712:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$315
This Expedia deal was found by Cheapflights users on 9/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 am -
1 stop27h 48m
Wed 10/76:33 pm -
1 stop11h 38m
Deal found 9/23![Frontier logo]()
$316
Best flights from Philadelphia to AustinDiscover carefully curated flight deals from Philadelphia to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Philadelphia to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 12/242:45 pm -
2 stops7h 55m
Fri 1/112:35 pm -
2 stops7h 50m
Deal found 9/21![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 11/156:00 am -
2 stops9h 02m
Tue 11/1712:16 pm -
2 stops9h 53m
Deal found 9/24![United Airlines logo]()
$587
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:02 am -
2 stops16h 27m
Tue 11/107:59 pm -
2 stops32h 33m
Deal found 9/22![Alaska Airlines logo]()
$677
This Southwest deal was found by Cheapflights users on 9/23. 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 11/196:00 am -
2 stops8h 25m
Sun 11/222:40 pm -
2 stops7h 30m
Deal found 9/23![Southwest logo]()
$460
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sat 11/76:00 am -
1 stop6h 21m
Tue 11/1012:16 pm -
2 stops9h 53m
Deal found 9/20![United Airlines logo]()
$598
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 1/206:00 am -
2 stops8h 18m
Fri 1/225:15 am -
2 stops7h 36m
Deal found 9/23![United Airlines logo]()
$628
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/103:08 pm -
2 stops8h 50m
Tue 10/135:14 pm -
1 stop5h 16m
Deal found 9/21![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 11/1310:54 am -
2 stops10h 09m
Mon 11/1612:16 pm -
2 stops9h 53m
Deal found 9/24![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 12/1210:53 am -
2 stops10h 07m
Mon 12/1412:15 pm -
1 stop9h 41m
Deal found 9/22![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 11/46:15 am -
2 stops10h 06m
Sun 11/85:15 am -
1 stop5h 22m
Deal found 9/21![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Thu 11/56:00 am -
2 stops10h 58m
Sun 11/85:15 am -
1 stop5h 22m
Deal found 9/23![United Airlines logo]()
$670
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated September 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 am -
1 stop27h 48m
Wed 10/76:33 pm -
1 stop11h 38m
Deal found 9/23![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 pm -
1 stop17h 12m
Wed 10/1412:08 pm -
1 stop10h 03m
Deal found 9/22![Frontier logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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.
Sat 10/103:26 pm -
1 stop19h 31m
Tue 10/1312:08 pm -
1 stop10h 03m
Deal found 9/22![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:22 pm -
1 stop18h 35m
Fri 10/1612:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$313
This Booking.com deal was found by Cheapflights users on 9/20. 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.
Tue 10/135:22 pm -
2 stops19h 55m
Sat 10/1712:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:22 pm -
1 stop18h 35m
Mon 10/1912:08 pm -
1 stop10h 03m
Deal found 9/20![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Sun 10/187:15 am -
1 stop27h 42m
Fri 10/3012:20 pm -
1 stop9h 56m
Deal found 9/20![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:44 pm -
1 stop15h 39m
Mon 10/269:12 pm -
1 stop9h 06m
Deal found 9/23![Frontier logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 10/228:44 pm -
1 stop24h 43m
Mon 10/269:12 pm -
1 stop9h 06m
Deal found 9/20![Frontier logo]()
$314
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:50 am -
1 stop14h 36m
Mon 10/269:12 pm -
1 stop9h 06m
Deal found 9/21![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 am -
1 stop6h 43m
Thu 10/293:43 pm -
2 stops17h 11m
Deal found 9/22![Frontier logo]()
$306
One-way flights from Philadelphia to AustinSearch for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:22 pm -
1 stop18h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:36 pm -
2 stops23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 9/20. 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 12/116:40 pm -
1 stop16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:22 pm -
2 stops17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:30 am -
2 stops26h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:22 pm -
1 stop18h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:22 pm -
1 stop18h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:22 pm -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$129
Find 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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $304 (CheapOair) |
One-way from | $116 (Kiwi.com) |
Popular in | September |
Cheapest in | December |
Average price | $544 |
Good round-trip deal | $543 or less |
Good one-way deal | $364 or less |
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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Philadelphia to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 12/22
8:45 pm-1:15 am
1 stop5h 30m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
Quickest round-trip
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Thu 11/26
5:30 am-9:55 am
1 stop5h 25m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 12/23
5:50 am-10:30 am
1 stop5h 40m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 1/9
5:35 am-11:50 am
2 stops7h 15m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 9/29
7:15 am-2:10 pm
2 stops7h 55m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 10/3
10:40 am-5:40 pm
2 stops8h 00m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 9/30
10:40 am-5:39 pm
2 stops7h 59m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 10/6
6:00 am-11:45 am
2 stops6h 45m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$263
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Thu 12/24
8:00 am-3:20 pm
1 stop8h 20m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Fri 3/19
5:25 am-11:30 am
2 stops7h 05m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$307
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Austin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
PHL-AUS
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
Prices
Airlines
More
How far ahead should I book a flight from Philadelphia to Austin?
To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 32 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, December is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $382). Flying from Philadelphia to Austin in September is currently the most expensive (average of $544). 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 September 24, 2026.
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 at noon, which can drop the price by up to 10% versus a flight in the afternoon.
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 September 19, 2026.
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.
What’s the top layover airport for flights from Philadelphia to Austin?
Share of 1-stop round-trip flights from Philadelphia to Austin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 75% of 1-stop itineraries from Philadelphia to Austin on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to Austin?
Average round-trip fare for 1-stop flights from Philadelphia to Austin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $176.
What’s the fastest layover option from Philadelphia to Austin?
Shortest average travel time for 1-stop one-way flights from Philadelphia to Austin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Boston (BOS) have the shortest average one-way travel time for 1-stop routes: 8h 14m.
Which airport typically offers the quickest layover for flights from Philadelphia to Austin?
Average layover duration for 1-stop one-way flights from Philadelphia to Austin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 4h 33m.
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 September 24, 2026.
See what other customers who have flown with Southwest,Delta, andJetBlue 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.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
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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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$525 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$298 | Average$506 | FlexibilityNo cancel fee | On-time71% |