$82+ Cheap flights from Austin to Philadelphia (AUS - PHL)
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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — PHL
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Philadelphia 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 Austin Bergstrom to Philadelphia are usually found in October or September, booked 48 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Austin to Philadelphia
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Best
Last-minute
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Cheapest flights from Austin to PhiladelphiaExplore the most affordable flight options available from Austin to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from Austin to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/1411:00 am
AUS
- PHL
2 stops10h 58m
Frontier
Mon 8/176:25 am
PHL
- AUS
1 stop7h 13m
Frontier
Deal found 7/24![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:27 pm
AUS
- PHL
1 stop7h 09m
Frontier
Tue 12/12:45 pm
PHL
- AUS
1 stop10h 18m
Frontier
Deal found 7/26![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:33 pm
AUS
- PHL
1 stop7h 55m
Frontier
Sat 8/86:25 am
PHL
- AUS
1 stop7h 13m
Frontier
Deal found 7/23![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:04 pm
AUS
- PHL
1 stop12h 56m
Frontier
Wed 8/56:25 am
PHL
- AUS
1 stop7h 13m
Frontier
Deal found 7/23![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/176:30 am
AUS
- PHL
2 stops11h 50m
Frontier
Mon 8/248:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/25![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/65:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Sun 8/168:30 am
PHL
- AUS
1 stop29h 08m
Frontier
Deal found 7/24![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/71:33 pm
AUS
- PHL
1 stop8h 25m
Frontier
Sun 8/168:30 am
PHL
- AUS
1 stop29h 08m
Frontier
Deal found 7/28![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/41:48 pm
AUS
- PHL
1 stop27h 43m
Multiple Airlines
Fri 10/97:10 am
PHL
- AUS
2 stops14h 22m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$321
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Wed 8/1210:15 am
AUS
- PHL
1 stop8h 46m
Multiple Airlines
Sat 8/156:25 am
PHL
- AUS
1 stop7h 13m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/176:33 pm
AUS
- PHL
1 stop11h 43m
Frontier
Mon 9/215:40 pm
PHL
- AUS
2 stops21h 57m
Frontier
Deal found 7/27![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/156:30 am
AUS
- PHL
2 stops11h 50m
Frontier
Sat 8/298:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/23![Frontier logo]()
$324
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:15 am
AUS
- PHL
1 stop8h 46m
Multiple Airlines
Fri 8/146:25 am
PHL
- AUS
1 stop7h 13m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$325
Best flights from Austin to PhiladelphiaDiscover carefully curated flight deals from Austin to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Austin to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Southwest deal was found by Cheapflights users on 7/27. 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 8/226:00 am
AUS
- PHL
2 stops6h 25m
Southwest
Mon 8/248:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Deal found 7/27![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:10 pm
AUS
- PHL
1 stop5h 21m
United Airlines
Tue 9/13:05 pm
PHL
- AUS
2 stops9h 00m
United Airlines
Deal found 7/26![United Airlines logo]()
$538
This Southwest deal was found by Cheapflights users on 7/24. 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.
Tue 9/19:15 am
AUS
- PHL
2 stops7h 45m
Southwest
Wed 9/93:05 pm
PHL
- AUS
2 stops7h 20m
Southwest
Deal found 7/24![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 7/27. 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 9/157:45 am
AUS
- PHL
2 stops7h 15m
Southwest
Sat 9/1912:10 pm
PHL
- AUS
2 stops8h 35m
Southwest
Deal found 7/27![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 7/27. 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 10/2411:25 am
AUS
- PHL
2 stops8h 30m
Southwest
Tue 10/274:00 pm
PHL
- AUS
2 stops6h 45m
Southwest
Deal found 7/27![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 7/27. 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 8/296:00 am
AUS
- PHL
2 stops6h 25m
Southwest
Tue 9/82:45 pm
PHL
- AUS
2 stops7h 40m
Southwest
Deal found 7/27![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 7/27. 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 9/35:30 am
AUS
- PHL
2 stops6h 45m
Southwest
Mon 9/76:20 am
PHL
- AUS
1 stop5h 05m
Southwest
Deal found 7/27![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:25 am
AUS
- PHL
2 stops7h 35m
Southwest
Mon 8/248:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Deal found 7/26![Southwest logo]()
$442
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:25 pm
AUS
- PHL
2 stops7h 20m
Southwest
Fri 9/188:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Deal found 7/26![Southwest logo]()
$442
This Southwest deal was found by Cheapflights users on 7/25. 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.
Fri 10/161:15 pm
AUS
- PHL
2 stops7h 35m
Southwest
Mon 10/196:25 am
PHL
- AUS
2 stops6h 25m
Southwest
Deal found 7/25![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 7/27. 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 8/112:55 pm
AUS
- PHL
2 stops9h 45m
Southwest
Wed 8/56:25 am
PHL
- AUS
2 stops7h 35m
Southwest
Deal found 7/27![Southwest logo]()
$522
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:45 am
AUS
- PHL
2 stops7h 15m
Southwest
Fri 8/148:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Deal found 7/23![Southwest logo]()
$543
Last-minute flights from Austin to PhiladelphiaDiscover last-minute flight deals from Austin to Philadelphia. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Philadelphia. Data last updated July 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Tue 8/48:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/23![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:33 pm
AUS
- PHL
1 stop7h 55m
Frontier
Sat 8/86:25 am
PHL
- AUS
1 stop7h 13m
Frontier
Deal found 7/23![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/65:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Sun 8/168:30 am
PHL
- AUS
1 stop29h 08m
Frontier
Deal found 7/24![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/71:33 pm
AUS
- PHL
1 stop8h 25m
Frontier
Sun 8/168:30 am
PHL
- AUS
1 stop29h 08m
Frontier
Deal found 7/28![Frontier logo]()
$320
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:15 am
AUS
- PHL
1 stop8h 46m
Multiple Airlines
Fri 8/146:25 am
PHL
- AUS
1 stop7h 13m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$325
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Wed 8/1210:15 am
AUS
- PHL
1 stop8h 46m
Multiple Airlines
Sat 8/156:25 am
PHL
- AUS
1 stop7h 13m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/1411:00 am
AUS
- PHL
2 stops10h 58m
Frontier
Mon 8/176:25 am
PHL
- AUS
1 stop7h 13m
Frontier
Deal found 7/24![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/156:30 am
AUS
- PHL
2 stops11h 50m
Frontier
Sat 8/298:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/23![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 8/167:43 pm
AUS
- PHL
1 stop8h 56m
Frontier
Fri 8/288:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/23![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/176:30 am
AUS
- PHL
2 stops11h 50m
Frontier
Mon 8/248:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 7/25![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/215:37 pm
AUS
- PHL
1 stop12h 38m
Frontier
Sun 8/238:30 am
PHL
- AUS
2 stops26h 40m
Frontier
Deal found 7/27![Frontier logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/215:37 pm
AUS
- PHL
1 stop12h 38m
Multiple Airlines
Sun 8/236:07 pm
PHL
- AUS
2 stops30h 34m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$328
One-way flights from Austin to PhiladelphiaSearch for one-way flight options from Austin to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Austin to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:50 am
AUS
- PHL
1 stop11h 21m
Frontier
Deal found 7/23![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:43 am
AUS
- PHL
1 stop11h 38m
Frontier
Deal found 7/24![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 9/2310:50 am
AUS
- PHL
1 stop6h 25m
Frontier
Deal found 7/23![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 9/2110:50 am
AUS
- PHL
1 stop19h 46m
Frontier
Deal found 7/23![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 10/2410:43 am
AUS
- PHL
1 stop6h 32m
Frontier
Deal found 7/24![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/135:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 7/23![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Wed 10/2810:50 am
AUS
- PHL
1 stop6h 25m
Frontier
Deal found 7/26![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/2410:50 am
AUS
- PHL
1 stop11h 28m
Frontier
Deal found 7/23![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/185:37 pm
AUS
- PHL
1 stop12h 38m
Frontier
Deal found 7/27![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/255:37 pm
AUS
- PHL
1 stop12h 38m
Frontier
Deal found 7/27![Frontier logo]()
$96
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:50 am
AUS
- PHL
1 stop11h 31m
Frontier
Deal found 7/24![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:37 pm
AUS
- PHL
1 stop25h 51m
Frontier
Deal found 7/24![Frontier logo]()
$114
Find flight deals from Austin to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Philadelphia (PHL). 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $503 |
Good round-trip deal | $478 or less |
Good one-way deal | $303 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Austin to Philadelphia that are best for you.
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AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Sat 8/22
6:00 am-1:25 pm
2 stops6h 25m
Philadelphia
Mon 8/24
8:00 am-2:05 pm
2 stops7h 05m
$379
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 9/1
9:15 am-6:00 pm
2 stops7h 45m
Philadelphia
Wed 9/9
3:05 pm-9:25 pm
2 stops7h 20m
$379
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 9/15
7:45 am-4:00 pm
2 stops7h 15m
Philadelphia
Sat 9/19
12:10 pm-7:45 pm
2 stops8h 35m
$379
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Sat 10/24
11:25 am-8:55 pm
2 stops8h 30m
Philadelphia
Tue 10/27
4:00 pm-9:45 pm
2 stops6h 45m
$379
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Sat 8/29
6:00 am-1:25 pm
2 stops6h 25m
Philadelphia
Tue 9/8
2:45 pm-9:25 pm
2 stops7h 40m
$386
Quickest round-trip
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Thu 9/3
5:30 am-1:15 pm
2 stops6h 45m
Philadelphia
Mon 9/7
6:20 am-10:25 am
1 stop5h 05m
$401
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Fri 8/21
7:25 am-4:00 pm
2 stops7h 35m
Philadelphia
Mon 8/24
8:00 am-2:05 pm
2 stops7h 05m
$442
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Mon 9/14
1:25 pm-9:45 pm
2 stops7h 20m
Philadelphia
Fri 9/18
8:00 am-2:05 pm
2 stops7h 05m
$442
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Fri 10/16
1:15 pm-9:50 pm
2 stops7h 35m
Philadelphia
Mon 10/19
6:25 am-11:50 am
2 stops6h 25m
$503
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Sat 8/1
12:55 pm-11:40 pm
2 stops9h 45m
Philadelphia
Wed 8/5
6:25 am-1:00 pm
2 stops7h 35m
$522
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Austin to Philadelphia
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 Austin to Philadelphia in July.
| 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*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Philadelphia 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 Austin-Philadelphia 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 Austin to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Austin with our price prediction graph.
AUS-PHL
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 Austin to Philadelphia
Prices
Airlines
How far ahead should I book a flight from Austin to Philadelphia?
To ensure you get the cheapest price possible for a flight from Austin to Philadelphia, you should look to book at least 47 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 Austin to Philadelphia?
Currently, October is the cheapest month in which you can book a flight from Austin to Philadelphia (average of $261). Flying from Austin to Philadelphia in March is currently the most expensive (average of $518). 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 AUS to PHL?
Find hourly flight availability from Austin to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.
One of the essential ways to save on airfare from Austin to Philadelphia is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 72% on airfare.
What is the cheapest day to fly from Austin to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Austin to Philadelphia. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Austin to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Austin to Philadelphia flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Philadelphia trip
Our travel experts
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated July 28, 2026.
Read through reviews of airlines operating flights from Austin to Philadelphia, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Austin to Philadelphia. 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 Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
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.
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Alternative routes for Austin to Philadelphia
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Complete your trip
Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Philadelphia by cabin class
Find flights from Austin to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Philadelphia flights
Browse other Austin and Philadelphia flight options. Last updated on July 28, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Austin to Philadelphia
Discover the top 6 airlines that operate flights from Austin to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$205 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$741 | FlexibilityNo cancel fee | On-time69% |