$125+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Sep 26 — Oct 31
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 September or October, booked 30 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
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 August 27, 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 August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 am -
1 stop9h 09m
Mon 9/146:33 pm -
1 stop11h 43m
Deal found 8/23![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 am -
1 stop9h 09m
Tue 9/156:33 pm -
1 stop11h 43m
Deal found 8/23![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:19 pm -
2 stops23h 29m
Mon 9/216:33 pm -
1 stop11h 43m
Deal found 8/24![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:45 pm -
1 stop10h 18m
Tue 12/85:20 am -
1 stop6h 55m
Deal found 8/24![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/28:30 am -
1 stop9h 09m
Fri 9/186:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:40 pm -
1 stop6h 08m
Fri 9/1810:58 am -
1 stop9h 59m
Deal found 8/21![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/253:30 pm -
1 stop19h 33m
Sun 9/276:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/205:45 pm -
1 stop17h 18m
Sat 9/266:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:41 am -
1 stop10h 07m
Tue 9/2910:58 am -
2 stops11h 20m
Deal found 8/24![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:03 pm -
1 stop18h 06m
Mon 10/1210:52 am -
2 stops19h 29m
Deal found 8/23![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:41 am -
1 stop10h 07m
Mon 9/141:25 pm -
2 stops10h 42m
Deal found 8/22![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:40 pm -
1 stop6h 08m
Sun 9/206:33 pm -
1 stop11h 43m
Deal found 8/24![Frontier logo]()
$297
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 August 27, 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 August 27, 2026.
This Southwest deal was found by Cheapflights users on 8/25. 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 2/65:10 am -
1 stop10h 10m
Mon 2/812:40 pm -
2 stops7h 55m
Deal found 8/25![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:13 pm -
1 stop7h 19m
Tue 1/196:45 am -
1 stop5h 18m
Deal found 8/23![Delta logo]()
$443
This JetBlue deal was found by Cheapflights users on 8/26. 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.
Wed 10/286:00 am -
1 stop6h 59m
Sat 10/311:00 pm -
1 stop9h 43m
Deal found 8/26![JetBlue logo]()
$538
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:30 pm -
2 stops8h 37m
Wed 9/165:30 am -
1 stop5h 28m
Deal found 8/23![United Airlines logo]()
$554
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 am -
1 stop5h 10m
Tue 10/271:30 pm -
2 stops7h 00m
Deal found 8/22![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:25 am -
2 stops6h 25m
Sat 10/311:25 am -
2 stops8h 30m
Deal found 8/21![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops8h 25m
Wed 11/117:30 am -
2 stops8h 00m
Deal found 8/22![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:05 am -
2 stops8h 25m
Tue 9/159:15 am -
2 stops7h 45m
Deal found 8/22![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:25 am -
1 stop6h 05m
Mon 1/43:55 pm -
1 stop7h 10m
Deal found 8/22![Southwest logo]()
$490
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
2 stops6h 45m
Sun 10/256:05 am -
2 stops9h 25m
Deal found 8/24![Southwest logo]()
$500
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:25 am -
2 stops8h 05m
Sun 1/35:40 am -
2 stops6h 45m
Deal found 8/21![Southwest logo]()
$511
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:35 am -
2 stops8h 35m
Sun 1/318:50 am -
2 stops7h 50m
Deal found 8/22![Southwest logo]()
$518
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated August 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 am -
1 stop9h 09m
Mon 9/146:33 pm -
1 stop11h 43m
Deal found 8/23![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 am -
1 stop9h 09m
Tue 9/156:33 pm -
1 stop11h 43m
Deal found 8/23![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/28:30 am -
1 stop9h 09m
Fri 9/186:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:45 pm -
1 stop26h 54m
Tue 9/156:33 pm -
1 stop11h 43m
Deal found 8/23![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:41 am -
1 stop10h 07m
Mon 9/141:25 pm -
2 stops10h 42m
Deal found 8/22![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:40 pm -
1 stop6h 08m
Fri 9/1810:58 am -
1 stop9h 59m
Deal found 8/21![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:40 pm -
1 stop6h 08m
Sun 9/206:33 pm -
1 stop11h 43m
Deal found 8/24![Frontier logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:19 pm -
2 stops23h 29m
Mon 9/216:33 pm -
1 stop11h 43m
Deal found 8/24![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/205:45 pm -
1 stop17h 18m
Sat 9/266:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 8/25. 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 9/2412:40 pm -
1 stop6h 08m
Tue 9/296:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/253:30 pm -
1 stop19h 33m
Sun 9/276:33 pm -
1 stop11h 43m
Deal found 8/25![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:41 am -
1 stop10h 07m
Tue 9/2910:58 am -
2 stops11h 20m
Deal found 8/24![Frontier logo]()
$294
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 August 27, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 11/75:20 pm -
2 stops19h 53m
Deal found 8/26![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:32 pm -
1 stop25h 16m
Deal found 8/21![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/145:32 pm -
1 stop25h 16m
Deal found 8/25![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:40 pm -
2 stops22h 23m
Deal found 8/21![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 pm -
2 stops24h 48m
Deal found 8/24![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:35 pm -
2 stops27h 57m
Deal found 8/24![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:40 pm -
1 stop6h 08m
Deal found 8/21![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/278:41 am -
2 stops50h 22m
Deal found 8/26![Frontier logo]()
$140
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $286 (Kiwi.com) |
One-way from | $125 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $400 |
Good round-trip deal | $493 or less |
Good one-way deal | $364 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 27, 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 2/6
5:10 am-2:20 pm
1 stop10h 10m
Austin Bergstrom
Mon 2/8
12:40 pm-9:35 pm
2 stops7h 55m
$422
Quickest round-trip
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 10/27
6:25 am-10:35 am
1 stop5h 10m
Austin Bergstrom
Tue 10/27
1:30 pm-9:30 pm
2 stops7h 00m
$422
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Thu 10/1
6:25 am-11:50 am
2 stops6h 25m
Austin Bergstrom
Sat 10/3
11:25 am-8:55 pm
2 stops8h 30m
$425
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Tue 11/10
6:00 am-1:25 pm
2 stops8h 25m
Austin Bergstrom
Wed 11/11
7:30 am-4:30 pm
2 stops8h 00m
$427
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 9/12
8:05 am-3:30 pm
2 stops8h 25m
Austin Bergstrom
Tue 9/15
9:15 am-6:00 pm
2 stops7h 45m
$427
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Sat 1/16
6:13 pm-12:32 am
1 stop7h 19m
Austin Bergstrom
Tue 1/19
6:45 am-1:03 pm
1 stop5h 18m
$443
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 12/30
5:25 am-10:30 am
1 stop6h 05m
Austin Bergstrom
Mon 1/4
3:55 pm-12:05 am
1 stop7h 10m
$490
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 10/21
6:00 am-11:45 am
2 stops6h 45m
Austin Bergstrom
Sun 10/25
6:05 am-4:30 pm
2 stops9h 25m
$500
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Wed 12/30
5:25 am-12:30 pm
2 stops8h 05m
Austin Bergstrom
Sun 1/3
5:40 am-1:25 pm
2 stops6h 45m
$511
PhiladelphiaAustin
PHL Philadelphia - AUS Austin Bergstrom
PHLAUS
Philadelphia
Fri 1/29
7:35 am-3:10 pm
2 stops8h 35m
Austin Bergstrom
Sun 1/31
8:50 am-5:40 pm
2 stops7h 50m
$518
Showing 1-10 of 24 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 August.
| 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
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 29 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, September is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $314). Flying from Philadelphia to Austin in June is currently the most expensive (average of $529). 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 August 27, 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 14% 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 August 22, 2026.
Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Saturday 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 August 27, 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
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on August 27, 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 August 27, 2026.
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Top 6 airlines flying from Philadelphia to Austin
Discover the top 6 airlines that operate flights from Philadelphia to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$464 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$251 | Average$489 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$738 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$525 | FlexibilityNo cancel fee | On-time62% |