$71+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — PHL
May 2 — May 91
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 Thursday or Wednesday and return on a Thursday
Cheap flight deals from Austin to Philadelphia
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Best
Last-minute
One-way
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 April 2, 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 April 2, 2026.
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:14 pm
AUS
- PHL
1 stop7h 40m
Multiple Airlines
Wed 4/86:08 pm
PHL
- AUS
1 stop7h 16m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Tue 4/146:13 pm
AUS
- PHL
2 stops13h 58m
Multiple Airlines
Thu 4/167:00 am
PHL
- AUS
1 stop10h 45m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$244
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:02 pm
AUS
- PHL
1 stop5h 52m
Frontier
Mon 4/279:17 am
PHL
- AUS
1 stop8h 51m
Frontier
Deal found 3/31![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/176:02 pm
AUS
- PHL
2 stops12h 39m
Frontier
Sat 4/188:41 pm
PHL
- AUS
1 stop14h 24m
Frontier
Deal found 3/29![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/134:59 pm
AUS
- PHL
1 stop14h 40m
Multiple Airlines
Mon 4/279:17 am
PHL
- AUS
2 stops15h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
AUS
- PHL
2 stops12h 57m
Multiple Airlines
Sun 5/38:36 pm
PHL
- AUS
1 stop14h 29m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Sun 4/198:20 pm
AUS
- PHL
1 stop11h 36m
Multiple Airlines
Sat 5/28:00 am
PHL
- AUS
1 stop16h 40m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$249
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:31 pm
AUS
- PHL
1 stop12h 20m
Frontier
Sun 6/219:16 pm
PHL
- AUS
1 stop13h 36m
Frontier
Deal found 3/31![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:14 pm
AUS
- PHL
1 stop7h 40m
Frontier
Sat 4/118:25 pm
PHL
- AUS
1 stop14h 40m
Frontier
Deal found 3/31![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sat 5/169:13 pm
AUS
- PHL
2 stops20h 27m
Frontier
Sat 5/238:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 3/31![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:03 pm
AUS
- PHL
2 stops33h 41m
Frontier
Sat 5/238:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 3/30![Frontier logo]()
$254
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 April 2, 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 April 2, 2026.
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 7/72:45 pm
AUS
- PHL
2 stops7h 05m
Southwest
Tue 7/145:15 am
PHL
- AUS
2 stops8h 20m
Southwest
Deal found 4/1![Southwest logo]()
$443
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:25 am
AUS
- PHL
1 stop5h 11m
Delta
Tue 4/283:42 pm
PHL
- AUS
1 stop9h 35m
Delta
Deal found 3/31![Delta logo]()
$463
This CheapOair deal was found by Cheapflights users on 3/28. 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.
Tue 4/146:00 am
AUS
- PHL
2 stops10h 38m
Multiple Airlines
Thu 4/166:12 pm
PHL
- AUS
1 stop6h 28m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:15 pm
AUS
- PHL
2 stops10h 29m
United Airlines
Wed 7/89:21 am
PHL
- AUS
2 stops9h 06m
United Airlines
Deal found 3/28![United Airlines logo]()
$533
This Southwest deal was found by Cheapflights users on 3/30. 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 8/129:15 am
AUS
- PHL
2 stops7h 45m
Southwest
Sat 8/158:05 am
PHL
- AUS
2 stops7h 40m
Southwest
Deal found 3/30![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
AUS
- PHL
2 stops11h 03m
United Airlines
Tue 5/266:10 am
PHL
- AUS
2 stops10h 57m
United Airlines
Deal found 3/28![United Airlines logo]()
$533
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 7/152:45 pm
AUS
- PHL
2 stops7h 05m
Southwest
Mon 8/36:05 am
PHL
- AUS
2 stops7h 00m
Southwest
Deal found 4/1![Southwest logo]()
$493
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:30 am
AUS
- PHL
2 stops9h 15m
Southwest
Sun 8/231:40 pm
PHL
- AUS
2 stops6h 35m
Southwest
Deal found 3/30![Southwest logo]()
$493
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/2112:14 pm
AUS
- PHL
1 stop5h 40m
United Airlines
Wed 4/221:27 pm
PHL
- AUS
2 stops10h 48m
United Airlines
Deal found 3/29![United Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/135:30 am
AUS
- PHL
2 stops7h 46m
United Airlines
Mon 5/186:54 pm
PHL
- AUS
2 stops17h 22m
United Airlines
Deal found 4/1![United Airlines logo]()
$579
This Southwest deal was found by Cheapflights users on 3/29. 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 6/412:35 pm
AUS
- PHL
2 stops11h 05m
Southwest
Mon 6/811:20 am
PHL
- AUS
2 stops8h 20m
Southwest
Deal found 3/29![Southwest logo]()
$543
This Southwest deal was found by Cheapflights users on 3/30. 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 5/142:15 pm
AUS
- PHL
2 stops7h 30m
Southwest
Thu 5/214:30 pm
PHL
- AUS
2 stops7h 15m
Southwest
Deal found 3/30![Southwest logo]()
$575
Last-minute flights from Austin to PhiladelphiaDiscover last-minute flight deals from Austin to Philadelphia. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Philadelphia. Data last updated April 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:14 pm
AUS
- PHL
1 stop7h 40m
Multiple Airlines
Wed 4/86:08 pm
PHL
- AUS
1 stop7h 16m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$243
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:14 pm
AUS
- PHL
1 stop7h 40m
Frontier
Sat 4/118:25 pm
PHL
- AUS
1 stop14h 40m
Frontier
Deal found 3/31![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/134:59 pm
AUS
- PHL
1 stop14h 40m
Multiple Airlines
Mon 4/279:17 am
PHL
- AUS
2 stops15h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Tue 4/146:13 pm
AUS
- PHL
2 stops13h 58m
Multiple Airlines
Thu 4/167:00 am
PHL
- AUS
1 stop10h 45m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$244
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:02 pm
AUS
- PHL
1 stop5h 52m
Frontier
Mon 4/279:17 am
PHL
- AUS
1 stop8h 51m
Frontier
Deal found 3/31![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/176:02 pm
AUS
- PHL
2 stops12h 39m
Frontier
Sat 4/188:41 pm
PHL
- AUS
1 stop14h 24m
Frontier
Deal found 3/29![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Sun 4/198:20 pm
AUS
- PHL
1 stop11h 36m
Multiple Airlines
Sat 5/28:00 am
PHL
- AUS
1 stop16h 40m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
AUS
- PHL
2 stops12h 57m
Multiple Airlines
Sun 5/38:36 pm
PHL
- AUS
1 stop14h 29m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sat 5/169:13 pm
AUS
- PHL
2 stops20h 27m
Frontier
Sat 5/238:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 3/31![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:03 pm
AUS
- PHL
2 stops33h 41m
Frontier
Sat 5/238:35 pm
PHL
- AUS
1 stop14h 08m
Frontier
Deal found 3/30![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:13 pm
AUS
- PHL
1 stop7h 24m
Frontier
Mon 5/256:30 am
PHL
- AUS
1 stop7h 34m
Frontier
Deal found 3/31![Frontier logo]()
$250
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 April 2, 2026.
Search for one-way flight options from Austin to Philadelphia. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 5/49:47 pm
AUS
- PHL
1 stop30h 50m
Frontier
Deal found 4/1![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 3/29. 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.
Tue 4/286:13 pm
AUS
- PHL
1 stop10h 21m
Frontier
Deal found 3/29![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 4/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:02 pm
AUS
- PHL
1 stop5h 52m
Frontier
Deal found 4/2![Frontier logo]()
$79
This Priceline deal was found by Cheapflights users on 3/29. 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.
Fri 5/89:13 pm
AUS
- PHL
1 stop7h 24m
Frontier
Deal found 3/29![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 3/29. 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.
Thu 4/236:00 am
AUS
- PHL
1 stop17h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:13 pm
AUS
- PHL
1 stop31h 24m
Frontier
Deal found 3/29![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:42 pm
AUS
- PHL
1 stop30h 39m
Frontier
Deal found 3/30![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/206:00 am
AUS
- PHL
1 stop26h 49m
Spirit Airlines
Deal found 3/31![Spirit Airlines logo]()
$88
This Trip.com deal was found by Cheapflights users on 3/29. 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 5/16:00 am
AUS
- PHL
1 stop16h 07m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Tue 4/144:59 pm
AUS
- PHL
1 stop26h 41m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$94
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (Mytrip) |
One-way from | $71 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $497 |
Good round-trip deal | $493 or less |
Good one-way deal | $349 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 April 2, 2026.
Use the filters below to find and compare flights from Austin to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 7/7
2:45 pm-10:50 pm
2 stops7h 05m
Philadelphia
Tue 7/14
5:15 am-12:35 pm
2 stops8h 20m
$443
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Wed 8/12
9:15 am-6:00 pm
2 stops7h 45m
Philadelphia
Sat 8/15
8:05 am-2:45 pm
2 stops7h 40m
$443
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Wed 4/15
8:25 am-2:36 pm
1 stop5h 11m
Philadelphia
Tue 4/28
3:42 pm-12:17 am
1 stop9h 35m
$463
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 4/14
6:00 am-5:38 pm
2 stops10h 38m
Philadelphia
Thu 4/16
6:12 pm-11:40 pm
1 stop6h 28m
$473
Quickest round-trip
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Wed 7/15
2:45 pm-10:50 pm
2 stops7h 05m
Philadelphia
Mon 8/3
6:05 am-12:05 pm
2 stops7h 00m
$493
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Sat 5/9
5:30 am-3:45 pm
2 stops9h 15m
Philadelphia
Sun 8/23
1:40 pm-7:15 pm
2 stops6h 35m
$493
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Wed 6/17
12:15 pm-11:44 pm
2 stops10h 29m
Philadelphia
Wed 7/8
9:21 am-5:27 pm
2 stops9h 06m
$533
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 4/28
5:30 am-5:33 pm
2 stops11h 03m
Philadelphia
Tue 5/26
6:10 am-4:07 pm
2 stops10h 57m
$533
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Thu 6/4
12:35 pm-12:40 am
2 stops11h 05m
Philadelphia
Mon 6/8
11:20 am-6:40 pm
2 stops8h 20m
$543
AustinPhiladelphia
AUS - PHL
AUSPHL
Austin Bergstrom
Tue 4/21
12:14 pm-6:54 pm
1 stop5h 40m
Philadelphia
Wed 4/22
1:27 pm-11:15 pm
2 stops10h 48m
$560
Showing 1-10 of 21 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 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
How far ahead should I book a flight from Austin to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from Austin to Philadelphia. Price data was last updated on April 2, 2026.
To ensure you get the cheapest price possible for a flight from Austin to Philadelphia, you should look to book at least 48 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, January is the cheapest month in which you can book a flight from Austin to Philadelphia (average of $80). Flying from Austin to Philadelphia in July is currently the most expensive (average of $162). 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 April 2, 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 79% 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 March 28, 2026.
Travelers seeking maximum savings on their Austin to Philadelphia flight should consider departing on Monday 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 April 2, 2026.
Read through reviews of airlines operating flights from Austin to Philadelphia, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
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Complete your trip
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Search flights from Austin to Philadelphia by cabin class
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Austin and Philadelphia flights
Browse other Austin and Philadelphia flight options. Last updated on April 2, 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 April 2, 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 April 2, 2026.
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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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$218 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$111 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$307 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$171 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$374 | FlexibilityNo cancel fee | On-timeN/A |