$76+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Jun 21 — Jun 281
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 August or September, booked 74 days in advance, depart on a Thursday or Wednesday and return on a Thursday
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 May 22, 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 May 22, 2026.
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/126:30 am
PHL
- AUS
1 stop7h 15m
Frontier
Sat 6/132:15 pm
AUS
- PHL
1 stop15h 12m
Frontier
Deal found 5/17![Frontier logo]()
$313
This deal was found by Cheapflights users on 5/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am
PHL
- AUS
1 stop7h 26m
Frontier
Mon 8/2410:37 am
AUS
- PHL
1 stop7h 43m
Frontier
Deal found 5/17![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 5/17. 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 6/106:25 am
PHL
- AUS
1 stop7h 20m
Frontier
Tue 6/165:38 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 5/17![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/1212:42 pm
PHL
- AUS
1 stop12h 17m
Frontier
Mon 6/151:40 pm
AUS
- PHL
1 stop7h 49m
Frontier
Deal found 5/17![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/1212:42 pm
PHL
- AUS
1 stop7h 48m
Frontier
Sun 6/148:15 pm
AUS
- PHL
1 stop8h 23m
Frontier
Deal found 5/17![Frontier logo]()
$319
This Expedia deal was found by Cheapflights users on 5/18. 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 5/306:30 am
PHL
- AUS
1 stop6h 19m
Frontier
Tue 6/210:28 am
AUS
- PHL
1 stop18h 09m
Frontier
Deal found 5/18![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Sun 6/146:26 pm
PHL
- AUS
1 stop14h 22m
Multiple Airlines
Tue 6/168:15 pm
AUS
- PHL
2 stops11h 41m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$322
This Booking.com deal was found by Cheapflights users on 5/18. 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 10/83:25 pm
PHL
- AUS
1 stop19h 47m
Frontier
Wed 10/1411:15 am
AUS
- PHL
1 stop12h 05m
Frontier
Deal found 5/18![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 5/19. 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.
Tue 8/118:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Thu 8/205:49 pm
AUS
- PHL
1 stop12h 30m
Frontier
Deal found 5/19![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/116:27 pm
PHL
- AUS
1 stop14h 21m
Multiple Airlines
Tue 6/168:15 pm
AUS
- PHL
2 stops11h 41m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/236:18 pm
PHL
- AUS
1 stop14h 34m
Multiple Airlines
Tue 7/285:38 pm
AUS
- PHL
1 stop12h 37m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$327
This Frontier deal was found by Cheapflights users on 5/18. 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.
Mon 6/296:30 am
PHL
- AUS
1 stop7h 15m
Frontier
Fri 7/38:15 pm
AUS
- PHL
1 stop8h 23m
Frontier
Deal found 5/18![Frontier logo]()
$329
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 May 22, 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 May 22, 2026.
This Frontier deal was found by Cheapflights users on 5/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Sun 7/128:12 pm
AUS
- PHL
1 stop8h 27m
Frontier
Deal found 5/21![Frontier logo]()
$344
This Southwest deal was found by Cheapflights users on 5/21. 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 5/286:10 am
PHL
- AUS
1 stop5h 25m
Southwest
Tue 6/22:45 pm
AUS
- PHL
1 stop6h 15m
Southwest
Deal found 5/21![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 5/21. 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.
Wed 7/296:10 pm
PHL
- AUS
1 stop5h 40m
Southwest
Tue 8/41:55 pm
AUS
- PHL
1 stop6h 50m
Southwest
Deal found 5/21![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 7/35:20 pm
PHL
- AUS
2 stops7h 30m
Southwest
Tue 7/72:40 pm
AUS
- PHL
2 stops6h 40m
Southwest
Deal found 5/21![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 6/2911:20 am
PHL
- AUS
2 stops8h 20m
Southwest
Fri 7/39:15 am
AUS
- PHL
2 stops8h 05m
Southwest
Deal found 5/21![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 5/21. 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 8/132:10 pm
PHL
- AUS
2 stops8h 15m
Southwest
Sun 8/161:50 pm
AUS
- PHL
2 stops7h 00m
Southwest
Deal found 5/21![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 6/207:55 am
PHL
- AUS
2 stops7h 25m
Southwest
Tue 6/232:40 pm
AUS
- PHL
2 stops6h 40m
Southwest
Deal found 5/21![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 5/19. 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.
Sat 7/255:25 am
PHL
- AUS
1 stop7h 25m
Southwest
Sat 7/251:10 pm
AUS
- PHL
2 stops9h 25m
Southwest
Deal found 5/19![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 5/3012:25 pm
PHL
- AUS
2 stops8h 25m
Southwest
Fri 6/512:35 pm
AUS
- PHL
2 stops11h 05m
Southwest
Deal found 5/21![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 5/17. 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.
Wed 7/155:15 am
PHL
- AUS
2 stops8h 35m
Southwest
Sat 7/181:10 pm
AUS
- PHL
2 stops9h 25m
Southwest
Deal found 5/17![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 5/17. 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.
Wed 6/105:15 am
PHL
- AUS
2 stops8h 20m
Southwest
Sat 6/136:15 am
AUS
- PHL
2 stops9h 40m
Southwest
Deal found 5/17![Southwest logo]()
$459
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated May 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/18. 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 5/306:30 am
PHL
- AUS
1 stop6h 19m
Frontier
Tue 6/210:28 am
AUS
- PHL
1 stop18h 09m
Frontier
Deal found 5/18![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 5/19. 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 6/38:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Sun 6/79:13 pm
AUS
- PHL
1 stop7h 24m
Frontier
Deal found 5/19![Frontier logo]()
$330
This Frontier deal was found by Cheapflights users on 5/19. 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.
Thu 6/46:30 am
PHL
- AUS
1 stop11h 22m
Frontier
Sat 6/132:15 pm
AUS
- PHL
1 stop15h 12m
Frontier
Deal found 5/19![Frontier logo]()
$324
This Frontier deal was found by Cheapflights users on 5/17. 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.
Mon 6/86:30 am
PHL
- AUS
1 stop7h 34m
Frontier
Mon 6/158:15 pm
AUS
- PHL
1 stop8h 23m
Frontier
Deal found 5/17![Frontier logo]()
$334
This Frontier deal was found by Cheapflights users on 5/17. 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.
Mon 6/86:30 am
PHL
- AUS
1 stop7h 34m
Frontier
Fri 6/191:40 pm
AUS
- PHL
1 stop7h 49m
Frontier
Deal found 5/17![Frontier logo]()
$335
This Frontier deal was found by Cheapflights users on 5/17. 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 6/106:25 am
PHL
- AUS
1 stop7h 20m
Frontier
Tue 6/165:38 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 5/17![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/116:27 pm
PHL
- AUS
1 stop14h 21m
Multiple Airlines
Tue 6/168:15 pm
AUS
- PHL
2 stops11h 41m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$326
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/126:30 am
PHL
- AUS
1 stop7h 15m
Frontier
Sat 6/132:15 pm
AUS
- PHL
1 stop15h 12m
Frontier
Deal found 5/17![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/1212:42 pm
PHL
- AUS
1 stop12h 17m
Frontier
Mon 6/151:40 pm
AUS
- PHL
1 stop7h 49m
Frontier
Deal found 5/17![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 5/17. 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.
Fri 6/1212:42 pm
PHL
- AUS
1 stop7h 48m
Frontier
Sun 6/148:15 pm
AUS
- PHL
1 stop8h 23m
Frontier
Deal found 5/17![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Sun 6/146:26 pm
PHL
- AUS
1 stop14h 22m
Multiple Airlines
Tue 6/168:15 pm
AUS
- PHL
2 stops11h 41m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$322
This Frontier deal was found by Cheapflights users on 5/18. 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.
Mon 6/296:30 am
PHL
- AUS
1 stop7h 15m
Frontier
Fri 7/38:15 pm
AUS
- PHL
1 stop8h 23m
Frontier
Deal found 5/18![Frontier logo]()
$329
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 May 22, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Thu 8/135:36 pm
PHL
- AUS
1 stop15h 30m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sun 6/76:26 pm
PHL
- AUS
1 stop15h 17m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sun 8/165:36 pm
PHL
- AUS
1 stop15h 30m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 7/96:18 pm
PHL
- AUS
1 stop14h 34m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Sun 8/26:18 pm
PHL
- AUS
1 stop14h 34m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sun 5/316:26 pm
PHL
- AUS
1 stop14h 10m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/236:18 pm
PHL
- AUS
1 stop14h 34m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Sun 6/146:26 pm
PHL
- AUS
1 stop14h 22m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$115
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Frontier) |
One-way from | $76 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $493 |
Good round-trip deal | $513 or less |
Good one-way deal | $389 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 2,558,603 searches. Data last updated May 22, 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 - AUS
PHLAUS
Philadelphia
Mon 7/6
6:30 am-12:38 pm
1 stop7h 08m
Austin Bergstrom
Sun 7/12
8:12 pm-5:39 am
1 stop8h 27m
$344
Quickest round-trip
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 5/28
6:10 am-10:35 am
1 stop5h 25m
Austin Bergstrom
Tue 6/2
2:45 pm-10:00 pm
1 stop6h 15m
$363
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 7/29
6:10 pm-10:50 pm
1 stop5h 40m
Austin Bergstrom
Tue 8/4
1:55 pm-9:45 pm
1 stop6h 50m
$363
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Fri 7/3
5:20 pm-11:50 pm
2 stops7h 30m
Austin Bergstrom
Tue 7/7
2:40 pm-10:20 pm
2 stops6h 40m
$373
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Mon 6/29
11:20 am-6:40 pm
2 stops8h 20m
Austin Bergstrom
Fri 7/3
9:15 am-6:20 pm
2 stops8h 05m
$413
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 8/13
2:10 pm-9:25 pm
2 stops8h 15m
Austin Bergstrom
Sun 8/16
1:50 pm-9:50 pm
2 stops7h 00m
$413
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 6/20
7:55 am-2:20 pm
2 stops7h 25m
Austin Bergstrom
Tue 6/23
2:40 pm-10:20 pm
2 stops6h 40m
$413
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 7/25
5:25 am-11:50 am
1 stop7h 25m
Austin Bergstrom
Sat 7/25
1:10 pm-11:35 pm
2 stops9h 25m
$438
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 5/30
12:25 pm-7:50 pm
2 stops8h 25m
Austin Bergstrom
Fri 6/5
12:35 pm-12:40 am
2 stops11h 05m
$439
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 7/15
5:15 am-12:50 pm
2 stops8h 35m
Austin Bergstrom
Sat 7/18
1:10 pm-11:35 pm
2 stops9h 25m
$443
Showing 1-10 of 22 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 May.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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
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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 73 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, August is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $214). Flying from Philadelphia to Austin in May is currently the most expensive (average of $493). 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 May 22, 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 in the afternoon, which can drop the price by up to 22% versus a flight in the evening.
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 May 16, 2026.
Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon 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.
Fort Lauderdale (FLL) – chosen by Cheapflights users on 33% 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 $153.
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 Fort Lauderdale (FLL) offer the fastest connection on this route, with an average layover time of 1h 44m.
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 May 22, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Philadelphia to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Spirit Airlines
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Pflugerville
Fredericksburg
Dripping Springs
Georgetown
Seguin
Canyon Lake
Horseshoe Bay
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
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Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on May 22, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$132 | Average$194 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$158 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$441 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$295 | Average$466 | FlexibilityNo cancel fee | On-time62% |