$63+ Cheap flights from Philadelphia to Austin (PHL - AUS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
May 17 — May 241
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
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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 April 17, 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 April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/88:35 pm
PHL
- AUS
1 stop24h 43m
Frontier
Fri 5/1510:42 pm
AUS
- PHL
2 stops29h 55m
Frontier
Deal found 4/12![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/59:20 am
PHL
- AUS
2 stops11h 58m
Frontier
Mon 6/89:13 pm
AUS
- PHL
1 stop13h 34m
Frontier
Deal found 4/15![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 4/297:56 pm
PHL
- AUS
1 stop23h 21m
Frontier
Wed 5/1311:30 am
AUS
- PHL
1 stop20h 24m
Frontier
Deal found 4/12![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/206:00 am
PHL
- AUS
2 stops19h 23m
Multiple Airlines
Sat 5/232:28 pm
AUS
- PHL
1 stop14h 09m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/33:20 pm
PHL
- AUS
2 stops26h 48m
Multiple Airlines
Thu 5/79:13 pm
AUS
- PHL
1 stop31h 24m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/25:45 am
PHL
- AUS
1 stop18h 55m
Multiple Airlines
Tue 5/55:47 pm
AUS
- PHL
2 stops28h 42m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$224
This Frontier deal was found by Cheapflights users on 4/14. 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 4/246:43 am
PHL
- AUS
1 stop11h 39m
Frontier
Fri 5/19:47 pm
AUS
- PHL
1 stop6h 47m
Frontier
Deal found 4/14![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 4/16. 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 5/16:43 am
PHL
- AUS
1 stop14h 01m
Frontier
Tue 5/59:13 pm
AUS
- PHL
1 stop7h 24m
Frontier
Deal found 4/16![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/19:41 pm
PHL
- AUS
2 stops20h 25m
Frontier
Mon 5/411:01 am
AUS
- PHL
1 stop17h 33m
Frontier
Deal found 4/13![Frontier logo]()
$227
This Booking.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/18:41 pm
PHL
- AUS
1 stop24h 14m
Frontier
Sun 5/39:51 pm
AUS
- PHL
1 stop6h 43m
Frontier
Deal found 4/15![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/305:45 am
PHL
- AUS
1 stop18h 55m
Multiple Airlines
Tue 5/129:13 pm
AUS
- PHL
2 stops50h 32m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$229
This Frontier deal was found by Cheapflights users on 4/15. 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 6/56:30 am
PHL
- AUS
1 stop7h 34m
Frontier
Wed 6/1010:37 am
AUS
- PHL
1 stop12h 06m
Frontier
Deal found 4/15![Frontier logo]()
$230
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 April 17, 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 April 17, 2026.
This Southwest deal was found by Cheapflights users on 4/15. 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 6/32:00 pm
PHL
- AUS
2 stops8h 50m
Southwest
Tue 6/91:10 pm
AUS
- PHL
2 stops7h 10m
Southwest
Deal found 4/15![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/26:10 am
PHL
- AUS
2 stops10h 14m
United Airlines
Tue 5/57:25 am
AUS
- PHL
1 stop7h 59m
United Airlines
Deal found 4/15![United Airlines logo]()
$560
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:36 pm
PHL
- AUS
Nonstop3h 59m
American Airlines
Thu 5/72:14 pm
AUS
- PHL
Nonstop3h 35m
American Airlines
Deal found 4/14![American Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 4/15. 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 10/79:10 am
PHL
- AUS
2 stops9h 10m
Southwest
Sat 10/106:05 am
AUS
- PHL
1 stop5h 20m
Southwest
Deal found 4/15![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 4/13. 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 7/15:15 am
PHL
- AUS
2 stops8h 20m
Southwest
Mon 7/69:15 am
AUS
- PHL
2 stops8h 05m
Southwest
Deal found 4/13![Southwest logo]()
$493
This United Airlines deal was found by Cheapflights users on 4/12. 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 5/286:10 am
PHL
- AUS
2 stops9h 31m
United Airlines
Mon 6/17:44 pm
AUS
- PHL
2 stops12h 55m
United Airlines
Deal found 4/12![United Airlines logo]()
$602
This Southwest deal was found by Cheapflights users on 4/12. 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 4/292:00 pm
PHL
- AUS
2 stops8h 40m
Southwest
Thu 4/307:30 am
AUS
- PHL
2 stops7h 20m
Southwest
Deal found 4/12![Southwest logo]()
$530
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/66:10 am
PHL
- AUS
2 stops10h 14m
United Airlines
Sun 5/103:40 pm
AUS
- PHL
1 stop8h 19m
United Airlines
Deal found 4/14![United Airlines logo]()
$615
This Southwest deal was found by Cheapflights users on 4/15. 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 8/147:00 am
PHL
- AUS
2 stops8h 05m
Southwest
Mon 8/171:40 pm
AUS
- PHL
2 stops7h 10m
Southwest
Deal found 4/15![Southwest logo]()
$543
This Southwest deal was found by Cheapflights users on 4/13. 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 5/169:45 am
PHL
- AUS
2 stops7h 35m
Southwest
Sun 5/172:55 pm
AUS
- PHL
2 stops7h 20m
Southwest
Deal found 4/13![Southwest logo]()
$580
This Southwest deal was found by Cheapflights users on 4/12. 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 5/17:55 am
PHL
- AUS
2 stops7h 30m
Southwest
Sun 5/35:30 am
AUS
- PHL
2 stops6h 55m
Southwest
Deal found 4/12![Southwest logo]()
$602
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated April 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/14. 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 4/236:43 am
PHL
- AUS
1 stop14h 01m
Frontier
Wed 4/296:13 pm
AUS
- PHL
1 stop10h 21m
Frontier
Deal found 4/14![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 4/14. 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 4/246:43 am
PHL
- AUS
1 stop11h 39m
Frontier
Fri 5/19:47 pm
AUS
- PHL
1 stop6h 47m
Frontier
Deal found 4/14![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/288:00 am
PHL
- AUS
2 stops34h 18m
Multiple Airlines
Thu 4/306:00 am
AUS
- PHL
1 stop17h 20m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 4/297:56 pm
PHL
- AUS
1 stop23h 21m
Frontier
Wed 5/1311:30 am
AUS
- PHL
1 stop20h 24m
Frontier
Deal found 4/12![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/305:45 am
PHL
- AUS
1 stop18h 55m
Multiple Airlines
Tue 5/129:13 pm
AUS
- PHL
2 stops50h 32m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$229
This Frontier deal was found by Cheapflights users on 4/16. 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 5/16:43 am
PHL
- AUS
1 stop14h 01m
Frontier
Tue 5/59:13 pm
AUS
- PHL
1 stop7h 24m
Frontier
Deal found 4/16![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/19:41 pm
PHL
- AUS
2 stops20h 25m
Frontier
Mon 5/411:01 am
AUS
- PHL
1 stop17h 33m
Frontier
Deal found 4/13![Frontier logo]()
$227
This Booking.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/18:41 pm
PHL
- AUS
1 stop24h 14m
Frontier
Sun 5/39:51 pm
AUS
- PHL
1 stop6h 43m
Frontier
Deal found 4/15![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/25:45 am
PHL
- AUS
1 stop18h 55m
Multiple Airlines
Tue 5/55:47 pm
AUS
- PHL
2 stops28h 42m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/33:20 pm
PHL
- AUS
2 stops26h 48m
Multiple Airlines
Thu 5/79:13 pm
AUS
- PHL
1 stop31h 24m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/88:35 pm
PHL
- AUS
1 stop24h 43m
Frontier
Fri 5/1510:42 pm
AUS
- PHL
2 stops29h 55m
Frontier
Deal found 4/12![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/206:00 am
PHL
- AUS
2 stops19h 23m
Multiple Airlines
Sat 5/232:28 pm
AUS
- PHL
1 stop14h 09m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$222
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 April 17, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/278:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 4/13![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/128:35 pm
PHL
- AUS
1 stop24h 43m
Frontier
Deal found 4/14![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/268:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 4/15![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/118:35 pm
PHL
- AUS
1 stop24h 43m
Frontier
Deal found 4/14![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:40 am
PHL
- AUS
1 stop12h 07m
Frontier
Deal found 4/14![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 4/14![Frontier logo]()
$85
This Booking.com deal was found by Cheapflights users on 4/13. 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.
Fri 5/228:35 pm
PHL
- AUS
1 stop17h 58m
Frontier
Deal found 4/13![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/196:10 pm
PHL
- AUS
1 stop17h 25m
Frontier
Deal found 4/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/175:05 am
PHL
- AUS
1 stop30h 28m
Frontier
Deal found 4/15![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/37:25 am
PHL
- AUS
1 stop17h 15m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 4/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:17 am
PHL
- AUS
1 stop8h 28m
Frontier
Deal found 4/13![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 4/13. 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 4/279:17 am
PHL
- AUS
1 stop8h 51m
Frontier
Deal found 4/13![Frontier logo]()
$100
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Kiwi.com) |
One-way from | $63 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $479 |
Good round-trip deal | $462 or less |
Good one-way deal | $423 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 April 17, 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
Wed 6/3
2:00 pm-9:50 pm
2 stops8h 50m
Austin Bergstrom
Tue 6/9
1:10 pm-9:20 pm
2 stops7h 10m
$427
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 10/7
9:10 am-5:20 pm
2 stops9h 10m
Austin Bergstrom
Sat 10/10
6:05 am-12:25 pm
1 stop5h 20m
$438
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 7/1
5:15 am-12:35 pm
2 stops8h 20m
Austin Bergstrom
Mon 7/6
9:15 am-6:20 pm
2 stops8h 05m
$493
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 4/29
2:00 pm-9:40 pm
2 stops8h 40m
Austin Bergstrom
Thu 4/30
7:30 am-3:50 pm
2 stops7h 20m
$530
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Fri 8/14
7:00 am-2:05 pm
2 stops8h 05m
Austin Bergstrom
Mon 8/17
1:40 pm-9:50 pm
2 stops7h 10m
$543
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 5/2
6:10 am-3:24 pm
2 stops10h 14m
Austin Bergstrom
Tue 5/5
7:25 am-4:24 pm
1 stop7h 59m
$560
Quickest round-trip
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 5/2
5:36 pm-8:35 pm
Nonstop3h 59m
Austin Bergstrom
Thu 5/7
2:14 pm-6:49 pm
Nonstop3h 35m
$562
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sat 5/16
9:45 am-4:20 pm
2 stops7h 35m
Austin Bergstrom
Sun 5/17
2:55 pm-11:15 pm
2 stops7h 20m
$580
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 5/28
6:10 am-2:41 pm
2 stops9h 31m
Austin Bergstrom
Mon 6/1
7:44 pm-9:39 am
2 stops12h 55m
$602
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Fri 5/1
7:55 am-2:25 pm
2 stops7h 30m
Austin Bergstrom
Sun 5/3
5:30 am-1:25 pm
2 stops6h 55m
$602
Showing 1-10 of 20 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 April.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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
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How far ahead should I book a flight from Philadelphia to Austin?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Austin. Price data was last updated on April 10, 2026.
To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 74 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 March is currently the most expensive (average of $483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHL to AUS?
Find hourly flight availability from Philadelphia to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 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 26% 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 April 11, 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. Tuesday 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.
Fort Lauderdale (FLL) – chosen by Cheapflights users on 25% 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 April 17, 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
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
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
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
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 April 17, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Austin by cabin class
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Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on April 17, 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 April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Philadelphia to Austin
Discover the top 7 airlines that operate flights from Philadelphia to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$132 | Average$199 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$158 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$431 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$466 | FlexibilityNo cancel fee | On-time62% |