$99+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — AUS
Jul 28 — Aug 41
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 August or September, booked 74 days in advance, depart on a Wednesday or Sunday and return on a Thursday
Cheap flight deals from Philadelphia to Austin
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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 June 28, 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 June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/288:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Mon 8/31:33 pm
AUS
- PHL
1 stop8h 00m
Frontier
Deal found 6/23![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/276:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Wed 8/52:51 pm
AUS
- PHL
1 stop6h 37m
Frontier
Deal found 6/23![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/226:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Thu 7/305:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 6/25![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Tue 7/218:30 am
PHL
- AUS
1 stop9h 09m
Multiple Airlines
Thu 7/307:45 pm
AUS
- PHL
2 stops22h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/167:10 am
PHL
- AUS
2 stops13h 11m
Frontier
Wed 9/2310:50 am
AUS
- PHL
1 stop6h 25m
Frontier
Deal found 6/25![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/226:30 am
PHL
- AUS
1 stop7h 08m
Multiple Airlines
Thu 7/307:45 pm
AUS
- PHL
2 stops22h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$273
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:44 pm
PHL
- AUS
1 stop12h 23m
Frontier
Wed 7/2210:43 am
AUS
- PHL
1 stop26h 51m
Frontier
Deal found 6/24![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/135:36 pm
PHL
- AUS
1 stop15h 30m
Multiple Airlines
Sun 8/166:30 am
AUS
- PHL
2 stops14h 58m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/156:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Sat 7/188:12 pm
AUS
- PHL
2 stops34h 03m
Frontier
Deal found 6/24![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/127:10 am
PHL
- AUS
2 stops17h 49m
Frontier
Wed 9/1610:50 am
AUS
- PHL
1 stop6h 25m
Frontier
Deal found 6/23![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/2012:54 pm
PHL
- AUS
1 stop12h 13m
Frontier
Wed 7/291:33 pm
AUS
- PHL
1 stop7h 55m
Frontier
Deal found 6/23![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 6/26. 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.
Tue 7/216:30 am
PHL
- AUS
1 stop11h 09m
Frontier
Thu 7/308:12 pm
AUS
- PHL
1 stop8h 27m
Frontier
Deal found 6/26![Frontier logo]()
$279
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 June 28, 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 June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/27. 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 8/138:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Sat 8/228:35 am
AUS
- PHL
2 stops8h 45m
Southwest
Deal found 6/27![Southwest logo]()
$401
This JetBlue deal was found by Cheapflights users on 6/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:55 pm
PHL
- AUS
1 stop9h 28m
JetBlue
Wed 9/302:40 pm
AUS
- PHL
1 stop6h 52m
JetBlue
Deal found 6/25![JetBlue logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:40 pm
PHL
- AUS
1 stop8h 13m
United Airlines
Tue 11/1012:48 pm
AUS
- PHL
2 stops9h 32m
United Airlines
Deal found 6/27![United Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 6/27. 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 8/43:00 pm
PHL
- AUS
2 stops7h 20m
Southwest
Mon 8/101:25 pm
AUS
- PHL
2 stops7h 15m
Southwest
Deal found 6/27![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 6/25. 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.
Wed 7/225:15 am
PHL
- AUS
2 stops8h 35m
Southwest
Tue 7/284:40 pm
AUS
- PHL
1 stop5h 15m
Southwest
Deal found 6/25![Southwest logo]()
$422
This JetBlue deal was found by Cheapflights users on 6/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
PHL
- AUS
1 stop8h 40m
JetBlue
Tue 10/63:45 pm
AUS
- PHL
1 stop6h 22m
JetBlue
Deal found 6/27![JetBlue logo]()
$481
This Southwest deal was found by Cheapflights users on 6/24. 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 7/2812:55 pm
PHL
- AUS
2 stops8h 15m
Southwest
Sat 8/86:00 am
AUS
- PHL
2 stops6h 25m
Southwest
Deal found 6/24![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 6/23. 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.
Wed 8/263:05 pm
PHL
- AUS
2 stops7h 15m
Southwest
Fri 8/285:30 am
AUS
- PHL
2 stops6h 45m
Southwest
Deal found 6/23![Southwest logo]()
$495
This Southwest deal was found by Cheapflights users on 6/23. 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 9/222:45 pm
PHL
- AUS
2 stops7h 35m
Southwest
Sun 9/279:00 am
AUS
- PHL
2 stops8h 05m
Southwest
Deal found 6/23![Southwest logo]()
$495
This Southwest deal was found by Cheapflights users on 6/23. 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.
Thu 10/16:40 am
PHL
- AUS
2 stops9h 00m
Southwest
Sun 10/45:45 am
AUS
- PHL
1 stop4h 50m
Southwest
Deal found 6/23![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 6/23. 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.
Thu 9/178:00 am
PHL
- AUS
2 stops7h 05m
Southwest
Sun 9/208:30 am
AUS
- PHL
2 stops8h 10m
Southwest
Deal found 6/23![Southwest logo]()
$508
Last-minute flights from Philadelphia to AustinDiscover last-minute flight deals from Philadelphia to Austin. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Austin. Data last updated June 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/156:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Sat 7/188:12 pm
AUS
- PHL
2 stops34h 03m
Frontier
Deal found 6/24![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:44 pm
PHL
- AUS
1 stop12h 23m
Frontier
Wed 7/2210:43 am
AUS
- PHL
1 stop26h 51m
Frontier
Deal found 6/24![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Sat 7/186:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Tue 7/215:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 6/28![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/206:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Tue 7/285:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 6/25![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/2012:54 pm
PHL
- AUS
1 stop12h 13m
Frontier
Wed 7/291:33 pm
AUS
- PHL
1 stop7h 55m
Frontier
Deal found 6/23![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Tue 7/218:30 am
PHL
- AUS
1 stop9h 09m
Multiple Airlines
Thu 7/307:45 pm
AUS
- PHL
2 stops22h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$271
This Frontier deal was found by Cheapflights users on 6/26. 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.
Tue 7/216:30 am
PHL
- AUS
1 stop11h 09m
Frontier
Thu 7/308:12 pm
AUS
- PHL
1 stop8h 27m
Frontier
Deal found 6/26![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 6/26. 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.
Tue 7/218:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Fri 7/311:33 pm
AUS
- PHL
1 stop8h 00m
Frontier
Deal found 6/26![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/226:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Thu 7/305:34 pm
AUS
- PHL
1 stop12h 41m
Frontier
Deal found 6/25![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/226:30 am
PHL
- AUS
1 stop7h 08m
Multiple Airlines
Thu 7/307:45 pm
AUS
- PHL
2 stops22h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/276:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Wed 8/52:51 pm
AUS
- PHL
1 stop6h 37m
Frontier
Deal found 6/23![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/288:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Mon 8/31:33 pm
AUS
- PHL
1 stop8h 00m
Frontier
Deal found 6/23![Frontier logo]()
$268
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 June 28, 2026.
Search for one-way flight options from Philadelphia to Austin. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Trip.com deal was found by Cheapflights users on 6/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
PHL
- AUS
1 stop7h 08m
Frontier
Deal found 6/26![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 6/24. 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.
Tue 7/286:30 am
PHL
- AUS
1 stop11h 09m
Frontier
Deal found 6/24![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Mon 10/125:38 pm
PHL
- AUS
1 stop17h 10m
Frontier
Deal found 6/26![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/148:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 6/23![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/228:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 6/24![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/214:30 pm
PHL
- AUS
1 stop21h 08m
Frontier
Deal found 6/27![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/155:28 pm
PHL
- AUS
1 stop17h 20m
Frontier
Deal found 6/23![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/2112:43 pm
PHL
- AUS
1 stop22h 05m
Frontier
Deal found 6/24![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/214:45 pm
PHL
- AUS
1 stop24h 54m
Frontier
Deal found 6/24![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Mon 7/274:40 pm
PHL
- AUS
1 stop24h 59m
Frontier
Deal found 6/27![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sun 9/279:14 am
PHL
- AUS
1 stop25h 34m
Frontier
Deal found 6/27![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Mon 8/248:30 am
PHL
- AUS
1 stop9h 09m
Frontier
Deal found 6/27![Frontier logo]()
$118
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 June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Kiwi.com) |
One-way from | $99 (Trip.com) |
Popular in | June |
Cheapest in | August |
Average price | $532 |
Good round-trip deal | $455 or less |
Good one-way deal | $512 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 2,558,603 searches. Data last updated June 28, 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 - AUS
PHLAUS
Philadelphia
Thu 8/13
8:00 am-2:05 pm
2 stops7h 05m
Austin Bergstrom
Sat 8/22
8:35 am-6:20 pm
2 stops8h 45m
$401
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Tue 8/4
3:00 pm-9:20 pm
2 stops7h 20m
Austin Bergstrom
Mon 8/10
1:25 pm-9:40 pm
2 stops7h 15m
$401
Quickest round-trip
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 7/22
5:15 am-12:50 pm
2 stops8h 35m
Austin Bergstrom
Tue 7/28
4:40 pm-10:55 pm
1 stop5h 15m
$422
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Tue 7/28
12:55 pm-8:10 pm
2 stops8h 15m
Austin Bergstrom
Sat 8/8
6:00 am-1:25 pm
2 stops6h 25m
$427
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Sun 9/27
1:55 pm-10:23 pm
1 stop9h 28m
Austin Bergstrom
Wed 9/30
2:40 pm-10:32 pm
1 stop6h 52m
$428
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 10/1
6:00 am-1:40 pm
1 stop8h 40m
Austin Bergstrom
Tue 10/6
3:45 pm-11:07 pm
1 stop6h 22m
$481
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Wed 8/26
3:05 pm-9:20 pm
2 stops7h 15m
Austin Bergstrom
Fri 8/28
5:30 am-1:15 pm
2 stops6h 45m
$495
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Tue 9/22
2:45 pm-9:20 pm
2 stops7h 35m
Austin Bergstrom
Sun 9/27
9:00 am-6:05 pm
2 stops8h 05m
$495
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 10/1
6:40 am-2:40 pm
2 stops9h 00m
Austin Bergstrom
Sun 10/4
5:45 am-11:35 am
1 stop4h 50m
$503
PhiladelphiaAustin
PHL - AUS
PHLAUS
Philadelphia
Thu 9/17
8:00 am-2:05 pm
2 stops7h 05m
Austin Bergstrom
Sun 9/20
8:30 am-5:40 pm
2 stops8h 10m
$508
Showing 1-10 of 22 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 June.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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 73 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, August is the cheapest month in which you can book a flight from Philadelphia to Austin (average of $219). Flying from Philadelphia to Austin in June is currently the most expensive (average of $532). 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 June 28, 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 13% versus a flight in the morning.
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 June 27, 2026.
Travelers seeking maximum savings on their Philadelphia to Austin flight should consider departing on Sunday afternoons 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.
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.
Boston (BOS) – chosen by Cheapflights users on 50% 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 $153.
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 June 28, 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.
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Philadelphia to Austin
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 28, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Austin by cabin class
Find flights from Philadelphia to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Austin flights
Browse other Philadelphia and Austin flight options. Last updated on June 28, 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 June 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Philadelphia to Austin
Discover the top 5 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 2,558,603 searches. Data last updated June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$420 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$195 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$205 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$295 | Average$533 | FlexibilityNo cancel fee | On-time62% |