$59+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Dec 5 — Dec 121
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 January or August, booked 33 days in advance, depart on a Wednesday or Saturday 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 November 5, 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 November 5, 2026.
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Sat 11/216:10 am -
2 stops15h 04m
Sun 11/229:17 pm -
1 stop9h 45m
Deal found 11/1![Frontier logo]()
$382
This Expedia deal was found by Cheapflights users on 11/2. 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.
Mon 11/309:55 pm -
1 stop21h 44m
Mon 12/710:35 am -
1 stop12h 03m
Deal found 11/2![Multiple Airlines logo]()
$383
This Frontier deal was found by Cheapflights users on 11/2. 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 11/2011:27 am -
1 stop9h 47m
Mon 11/239:14 pm -
1 stop9h 48m
Deal found 11/2![Frontier logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:14 pm -
2 stops19h 59m
Sat 11/141:55 pm -
1 stop8h 11m
Deal found 10/31![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/97:20 pm -
2 stops17h 05m
Tue 11/1712:24 pm -
1 stop9h 52m
Deal found 10/31![Frontier logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/154:47 pm -
2 stops19h 52m
Thu 11/193:35 pm -
1 stop7h 13m
Deal found 10/31![Frontier logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/238:19 pm -
1 stop24h 23m
Mon 1/410:48 am -
1 stop8h 14m
Deal found 11/1![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:14 pm -
2 stops19h 59m
Tue 11/1712:24 pm -
1 stop9h 52m
Deal found 10/31![Frontier logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/135:15 am -
1 stop6h 33m
Mon 11/1612:24 pm -
2 stops34h 30m
Deal found 10/31![Frontier logo]()
$393
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Fri 11/137:20 pm -
2 stops18h 40m
Fri 12/1811:14 am -
1 stop11h 07m
Deal found 11/1![Frontier logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/2312:56 pm -
2 stops22h 04m
Mon 12/288:59 pm -
1 stop10h 03m
Deal found 11/2![Frontier logo]()
$395
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Wed 11/255:01 am -
1 stop16h 13m
Sun 11/299:17 pm -
1 stop9h 45m
Deal found 11/1![Frontier logo]()
$397
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 November 5, 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 November 5, 2026.
This JetBlue deal was found by Cheapflights users on 10/31. 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.
Tue 12/159:30 am -
1 stop9h 21m
Mon 12/214:00 pm -
1 stop6h 54m
Deal found 10/31![JetBlue logo]()
$425
This Southwest deal was found by Cheapflights users on 11/1. 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 12/256:00 am -
1 stop5h 35m
Fri 1/112:35 pm -
2 stops7h 55m
Deal found 11/1![Southwest logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:00 am -
1 stop17h 14m
Wed 12/97:09 pm -
1 stop33h 31m
Deal found 11/3![Alaska Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/3110:10 am -
2 stops8h 19m
Sun 4/45:15 am -
1 stop5h 55m
Deal found 11/4![United Airlines logo]()
$574
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sun 12/205:50 am -
2 stops7h 00m
Sat 12/261:50 pm -
2 stops7h 05m
Deal found 11/2![Southwest logo]()
$559
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 11/246:15 am -
2 stops10h 06m
Tue 12/11:30 pm -
1 stop7h 09m
Deal found 11/1![United Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 10/31. 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 12/285:50 am -
2 stops7h 00m
Fri 1/17:30 am -
2 stops8h 00m
Deal found 10/31![Southwest logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
1 stop17h 14m
Thu 12/105:51 pm -
2 stops22h 17m
Deal found 11/4![Alaska Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 1/126:15 am -
2 stops8h 00m
Sun 1/177:00 am -
2 stops9h 44m
Deal found 11/3![United Airlines logo]()
$684
This Southwest deal was found by Cheapflights users on 11/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/306:15 am -
2 stops8h 40m
Sun 5/25:25 pm -
1 stop11h 35m
Deal found 11/3![Southwest logo]()
$628
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated November 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/97:20 pm -
2 stops17h 05m
Wed 11/1812:24 pm -
1 stop9h 52m
Deal found 10/31![Frontier logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:14 pm -
2 stops19h 59m
Sat 11/141:55 pm -
1 stop8h 11m
Deal found 10/31![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:14 pm -
2 stops19h 59m
Tue 11/1712:24 pm -
1 stop9h 52m
Deal found 10/31![Frontier logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/135:15 am -
1 stop6h 33m
Mon 11/1612:24 pm -
2 stops34h 30m
Deal found 10/31![Frontier logo]()
$393
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Fri 11/137:20 pm -
2 stops18h 40m
Fri 12/1811:14 am -
1 stop11h 07m
Deal found 11/1![Frontier logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/154:47 pm -
2 stops19h 52m
Thu 11/193:35 pm -
1 stop7h 13m
Deal found 10/31![Frontier logo]()
$388
This Frontier deal was found by Cheapflights users on 11/2. 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 11/2011:27 am -
1 stop9h 47m
Mon 11/239:14 pm -
1 stop9h 48m
Deal found 11/2![Frontier logo]()
$384
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Sat 11/216:10 am -
2 stops15h 04m
Sun 11/229:17 pm -
1 stop9h 45m
Deal found 11/1![Frontier logo]()
$382
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Wed 11/255:01 am -
1 stop16h 13m
Sun 11/299:17 pm -
1 stop9h 45m
Deal found 11/1![Frontier logo]()
$397
This Expedia deal was found by Cheapflights users on 11/2. 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.
Mon 11/309:55 pm -
1 stop21h 44m
Mon 12/710:35 am -
1 stop12h 03m
Deal found 11/2![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/238:19 pm -
1 stop24h 23m
Mon 1/410:48 am -
1 stop8h 14m
Deal found 11/1![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/2312:56 pm -
2 stops22h 04m
Mon 12/288:59 pm -
1 stop10h 03m
Deal found 11/2![Frontier logo]()
$395
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 November 5, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:40 am -
1 stop26h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/146:31 pm -
1 stop16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 12/156:31 pm -
1 stop16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$61
This WAYA deal was found by Cheapflights users on 11/2. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:31 pm -
1 stop16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 12/74:31 pm -
1 stop18h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/44:38 pm -
1 stop18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$73
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:40 pm -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Mon 12/77:25 pm -
2 stops39h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/106:31 pm -
1 stop16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 1/65:22 pm -
2 stops27h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$94
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $382 (Mytrip) |
One-way from | $59 (Trip.com) |
Popular in | October |
Cheapest in | January |
Average price | $507 |
Good round-trip deal | $543 or less |
Good one-way deal | $399 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 November 5, 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
Fri 12/18
12:41 pm-8:04 pm
1 stop8h 23m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 12/19
5:00 am-10:10 am
1 stop6h 10m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 1/26
6:05 am-10:50 am
1 stop5h 45m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Thu 11/26
5:30 am-12:55 pm
2 stops8h 25m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Thu 12/17
4:41 pm-10:03 am
2 stops18h 22m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 1/5
6:00 am-10:30 am
1 stop5h 30m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$254
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 11/11
11:45 am-6:40 pm
1 stop7h 55m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 4/28
10:15 am-5:29 pm
2 stops8h 14m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$312
Quickest round-trip
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 1/5
9:30 am-12:47 pm
Nonstop4h 17m
Austin Bergstrom
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$313
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 12/15
9:30 am-5:51 pm
1 stop9h 21m
Austin Bergstrom
Mon 12/21
4:00 pm-11:54 pm
1 stop6h 54m
$425
Showing 1-10 of 19 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 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
How far ahead should I book a flight from Philadelphia to Austin?
To ensure you get the cheapest price possible for a flight from Philadelphia to Austin, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to Austin?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $449). Flying from Philadelphia to Austin in October is currently the most expensive (average of $561). 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 November 5, 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 7% 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 31, 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.
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 November 5, 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.
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Georgetown
Dripping Springs
Seguin
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Alternative routes for Philadelphia to Austin
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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 November 5, 2026.
Complete your trip
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Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on November 5, 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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$489 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$525 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$531 | FlexibilityNo cancel fee | On-time71% |