$69+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Nov 7 — Nov 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 62 days in advance, depart on a Tuesday or Wednesday 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 October 8, 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 October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 12/229:29 pm -
1 stop23h 43m
Tue 1/58:28 pm -
2 stops14h 48m
Deal found 10/3![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/219:50 am -
1 stop25h 59m
Mon 11/309:14 pm -
1 stop24h 39m
Deal found 10/5![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 12/257:00 am -
1 stop18h 03m
Tue 1/58:28 pm -
2 stops14h 48m
Deal found 10/3![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 10/5. 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 12/242:45 pm -
1 stop10h 18m
Tue 12/299:07 pm -
1 stop10h 28m
Deal found 10/5![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 12/187:00 am -
1 stop18h 03m
Tue 12/225:20 am -
1 stop18h 19m
Deal found 10/4![Frontier logo]()
$319
This Southwest deal was found by Cheapflights users on 10/6. 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 11/46:00 am -
1 stop5h 35m
Sat 11/76:10 am -
1 stop4h 55m
Deal found 10/6![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/32:45 pm -
2 stops7h 55m
Tue 11/1012:55 pm -
2 stops7h 30m
Deal found 10/4![Southwest logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/89:09 pm -
2 stops39h 16m
Mon 11/308:04 pm -
1 stop8h 21m
Deal found 10/8![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/215:50 am -
1 stop14h 36m
Mon 10/269:12 pm -
2 stops56h 59m
Deal found 10/7![Frontier logo]()
$323
This Mytrip deal was found by Cheapflights users on 10/6. 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 11/156:00 pm -
2 stops17h 58m
Tue 11/1712:24 pm -
2 stops24h 05m
Deal found 10/6![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/256:03 pm -
1 stop17h 54m
Thu 10/2911:51 am -
2 stops10h 57m
Deal found 10/8![Frontier logo]()
$326
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 October 8, 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 October 8, 2026.
This JetBlue deal was found by Cheapflights users on 10/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:10 am -
1 stop8h 00m
Sat 11/283:55 pm -
1 stop6h 54m
Deal found 10/3![JetBlue logo]()
$458
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 1/121:15 pm -
2 stops8h 30m
Sun 1/176:00 am -
2 stops7h 55m
Deal found 10/5![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 10/6. 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 1/166:24 am -
2 stops16h 11m
Tue 1/196:30 am -
1 stop14h 10m
Deal found 10/6![United Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop6h 13m
Mon 11/912:14 pm -
1 stop6h 05m
Deal found 10/8![Delta logo]()
$624
This Southwest deal was found by Cheapflights users on 10/5. 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 12/56:15 am -
2 stops9h 20m
Thu 12/1012:55 pm -
2 stops7h 25m
Deal found 10/5![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 3/97:35 am -
2 stops8h 35m
Sat 3/1311:00 am -
1 stop6h 05m
Deal found 10/5![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/211:16 pm -
2 stops9h 15m
Tue 11/242:24 pm -
2 stops8h 06m
Deal found 10/3![United Airlines logo]()
$603
This Southwest deal was found by Cheapflights users on 10/8. 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 11/255:50 am -
2 stops7h 00m
Mon 11/303:05 pm -
2 stops7h 05m
Deal found 10/8![Southwest logo]()
$569
This United Airlines deal was found by Cheapflights users on 10/8. 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 2/256:10 am -
1 stop6h 50m
Mon 3/15:30 pm -
2 stops15h 34m
Deal found 10/8![United Airlines logo]()
$648
This Southwest deal was found by Cheapflights users on 10/5. 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 12/305:25 am -
2 stops7h 35m
Sat 1/27:10 am -
2 stops7h 30m
Deal found 10/5![Southwest logo]()
$584
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/201:16 pm -
2 stops9h 15m
Tue 11/2412:49 pm -
1 stop7h 49m
Deal found 10/8![United Airlines logo]()
$658
This Southwest deal was found by Cheapflights users on 10/7. 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 11/215:25 am -
2 stops7h 05m
Sat 11/286:50 am -
1 stop8h 45m
Deal found 10/7![Southwest logo]()
$608
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated October 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/215:50 am -
1 stop14h 36m
Mon 10/269:12 pm -
2 stops56h 59m
Deal found 10/7![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/256:03 pm -
1 stop17h 54m
Thu 10/2911:51 am -
2 stops10h 57m
Deal found 10/8![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/275:00 pm -
1 stop19h 39m
Fri 10/3011:51 am -
1 stop10h 51m
Deal found 10/8![Frontier logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/308:30 am -
1 stop29h 30m
Mon 11/212:24 pm -
1 stop17h 57m
Deal found 10/8![Frontier logo]()
$327
This Southwest deal was found by Cheapflights users on 10/8. 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 10/315:00 am -
1 stop9h 55m
Wed 11/43:45 pm -
1 stop5h 25m
Deal found 10/8![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/32:45 pm -
2 stops7h 55m
Tue 11/1012:55 pm -
2 stops7h 30m
Deal found 10/4![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 10/6. 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 11/46:00 am -
1 stop5h 35m
Sat 11/76:10 am -
1 stop4h 55m
Deal found 10/6![Southwest logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/89:09 pm -
2 stops39h 16m
Mon 11/308:04 pm -
1 stop8h 21m
Deal found 10/8![Frontier logo]()
$322
This Mytrip deal was found by Cheapflights users on 10/6. 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 11/156:00 pm -
2 stops17h 58m
Tue 11/1712:24 pm -
2 stops24h 05m
Deal found 10/6![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/219:50 am -
1 stop25h 59m
Mon 11/309:14 pm -
1 stop24h 39m
Deal found 10/5![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 10/4. 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 11/2311:27 am -
1 stop9h 47m
Wed 11/2512:00 pm -
1 stop7h 37m
Deal found 10/4![Frontier logo]()
$318
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 October 8, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/86:40 pm -
1 stop16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 1/66:37 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/1012:36 pm -
1 stop24h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/98:30 am -
1 stop27h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/44:38 pm -
1 stop18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/64:38 pm -
1 stop18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 11/1912:36 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 1/810:41 am -
1 stop23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 1/106:37 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 1/76:37 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/104:38 pm -
1 stop18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/54:38 pm -
2 stops25h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$114
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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Kiwi.com) |
One-way from | $69 (Kiwi.com) |
Popular in | September |
Cheapest in | December |
Average price | $514 |
Good round-trip deal | $546 or less |
Good one-way deal | $553 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 October 8, 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
Sat 10/31
6:30 am-1:20 pm
1 stop7h 50m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$132
Quickest round-trip
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 11/14
5:20 am-11:35 am
1 stop7h 15m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 11/4
8:30 am-12:13 pm
2 stops28h 43m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Fri 11/6
5:14 pm-1:00 pm
1 stop20h 46m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$181
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Mon 11/2
7:20 pm-11:25 am
2 stops17h 05m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sun 11/1
12:36 pm-10:58 am
2 stops23h 22m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$236
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 4/3
11:10 am-7:30 pm
2 stops9h 20m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$247
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 10/17
5:55 am-1:35 pm
2 stops8h 40m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$263
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 10/14
6:00 am-1:15 pm
2 stops8h 15m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$263
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sun 11/22
9:10 am-4:10 pm
1 stop8h 00m
Austin Bergstrom
Sat 11/28
3:55 pm-11:49 pm
1 stop6h 54m
$458
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 October.
| 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 61 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 $417). Flying from Philadelphia to Austin in September is currently the most expensive (average of $546). 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 October 8, 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 11% 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 October 3, 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 October 8, 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
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
7.9
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
Georgetown
Dripping Springs
Seguin
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Austin flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
Alternative routes for Philadelphia to Austin
See prices for flight routes from nearby airports that may be better suited for you.
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 October 8, 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
Find flights from Philadelphia to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on October 8, 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 October 8, 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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$482 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$525 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$346 | Average$514 | FlexibilityNo cancel fee | On-time71% |