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$74+ Cheap flights from Sky Harbor Intl (PHX) to Austin (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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — AUS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Austin Bergstrom are usually found in June or July, booked 90 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Sky Harbor Intl to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 September 11, 2025.

Round-trip from

$115
(Cheapflightsfares)

One-way from

$74
(Southwest)

Popular in

December

Cheapest in

June

Average price

$242

Good round-trip deal

$138 or less

Good one-way deal

$114 or less
From Phoenix Sky Harbor Intl to Austin Bergstrom
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One-way flight from Phoenix Sky Harbor Intl to Austin Bergstrom
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Highest demand for flights based on searches. 18% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Austin Bergstrom.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Austin Bergstrom.
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Find flight deals from Sky Harbor Intl to Austin

Cheapest flights from Sky Harbor Intl to Austin
Explore the most affordable flight options available from Sky Harbor Intl to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:44 pmPHX - AUS
Nonstop2h 17mFrontier
Thu 10/168:51 pmAUS - PHX
Nonstop2h 27mFrontier
Deal found 9/9$115
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:10 pmPHX - AUS
Nonstop2h 17mFrontier
Fri 10/1710:47 pmAUS - PHX
1 stop25h 08mFrontier
Deal found 9/10$128
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:10 pmPHX - AUS
Nonstop2h 17mFrontier
Mon 10/136:57 pmAUS - PHX
1 stop6h 44mFrontier
Deal found 9/11$129
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/274:58 pmPHX - AUS
Nonstop2h 17mFrontier
Thu 10/3010:27 amAUS - PHX
Nonstop2h 35mFrontier
Deal found 9/8$131
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:58 pmPHX - AUS
Nonstop2h 17mFrontier
Thu 10/238:51 pmAUS - PHX
Nonstop2h 27mFrontier
Deal found 9/9$132
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:25 amPHX - AUS
Nonstop2h 19mFrontier
Mon 10/610:34 pmAUS - PHX
Nonstop2h 25mFrontier
Deal found 9/11$133
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:30 pmPHX - AUS
Nonstop2h 10mSouthwest
Sat 10/116:10 amAUS - PHX
Nonstop2h 35mSouthwest
Deal found 9/9$134
This Frontier deal was found by Cheapflights users on 9/10. 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 10/244:10 pmPHX - AUS
Nonstop2h 17mFrontier
Sun 10/266:00 amAUS - PHX
1 stop6h 52mFrontier
Deal found 9/10$135
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:25 amPHX - AUS
Nonstop2h 19mFrontier
Thu 10/212:44 pmAUS - PHX
Nonstop2h 25mFrontier
Deal found 9/8$136
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:25 amPHX - AUS
Nonstop2h 19mFrontier
Mon 10/610:34 pmAUS - PHX
Nonstop2h 25mFrontier
Deal found 9/8$138

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Austin that are best for you.

Fly from

Sky Harbor Intl

Fly to

Austin

Route

Depart

Return

Price

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Wed 10/22

6:30 pm-10:40 pm

Nonstop2h 10m

Austin Bergstrom

Sat 10/25

6:10 am-6:45 am

Nonstop2h 35m

$129

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Thu 10/23

3:44 pm-8:01 pm

Nonstop2h 17m

Austin Bergstrom

Tue 10/28

7:45 am-5:01 pm

1 stop11h 16m

$129

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Tue 10/7

6:30 pm-10:40 pm

Nonstop2h 10m

Austin Bergstrom

Tue 10/14

7:35 am-8:05 am

Nonstop2h 30m

$143

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Fri 10/24

6:05 am-6:12 pm

1 stop10h 07m

Austin Bergstrom

Sun 10/26

6:00 am-10:52 am

1 stop6h 52m

$154

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Fri 9/19

8:20 pm-10:00 pm

1 stop23h 40m

Austin Bergstrom

Thu 9/25

2:16 pm-7:35 pm

1 stop7h 19m

$156

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Wed 10/29

5:35 am-9:45 am

Nonstop2h 10m

Austin Bergstrom

Fri 10/31

6:55 am-7:30 am

Nonstop2h 35m

$160

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Thu 10/23

6:30 pm-10:40 pm

Nonstop2h 10m

Austin Bergstrom

Tue 10/28

7:35 am-8:05 am

Nonstop2h 30m

$160

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Sat 10/11

12:50 pm-7:00 pm

1 stop4h 10m

Austin Bergstrom

Sat 10/18

6:10 am-6:45 am

Nonstop2h 35m

$174

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Sat 9/27

12:39 pm-10:00 pm

1 stop7h 21m

Austin Bergstrom

Sat 10/4

7:50 am-4:02 pm

1 stop10h 12m

$175

PhoenixAustin

PHX - AUS

PHXAUS

Phoenix Sky Harbor Intl

Mon 10/6

6:30 pm-10:40 pm

Nonstop2h 10m

Austin Bergstrom

Tue 10/7

7:35 am-8:05 am

Nonstop2h 30m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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The best insider tips for Phoenix Sky Harbor Intl Airport to Austin flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Austin trip
Airports
PHX

PHX offers short security lines with wait times often under 10 minutes. Check live wait times online to choose the shortest lane.

Read more about PHXby Brandon Schultz
AUS

For a quick ride to downtown, use the CapMetro Route 20 bus from AUS, operating every 15 minutes during peak hours.

Read more about AUSby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Sky Harbor Intl to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Sky Harbor Intl with our price prediction graph.
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 Phoenix Sky Harbor Intl Airport to Austin

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Austin. Price data was last updated on August 29, 2025.

The best time to book flights from Phoenix Sky Harbor Intl Airport to Austin is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Austin?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Austin (average of $285). Flying from Phoenix Sky Harbor Intl Airport to Austin in March is currently the most expensive (average of $362). 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 PHX to AUS?

Find hourly flight availability from Sky Harbor Intl 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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Phoenix Sky Harbor Intl Airport to Austin at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Austin?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Austin. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Austin flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Phoenix Sky Harbor Intl Airport 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.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Austin from Phoenix Sky Harbor Intl?

    Austin Bergstrom (AUS) is the airport you will fly into if you book a flight from Phoenix Sky Harbor Intl to Austin. You should not have trouble finding flights to Austin Bergstrom from Phoenix Sky Harbor Intl; the airport handles an average of 7 inbound flights from Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Austin airport from Phoenix Sky Harbor Intl. It is only a 7.5 mi journey from Austin Bergstrom (AUS) to Austin’s city center.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Austin?

    For as low as $129, Southwest can have you in Austin from Phoenix Sky Harbor Intl Airport in 2h 10m. The distance from Phoenix Sky Harbor Intl Airport to Austin is about 869 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Austin round-trip?

    Frontier, at $78, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Austin.Alternate airlines to your destination round-trip include Southwest and American Airlines. These flights start at 73% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Austin?

    Consider Envoy Air (92%), Southwest (79%) or Frontier (77%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Austin.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Austin?

    Looking at all options, your cheapest flight can be booked for $59. While the most popular route (Phoenix Sky Harbor Intl - Austin Bergstrom) can be booked for $135 on average, our data indicates $313 when flying from Phoenix Sky Harbor Intl Airport to Austin.

  • Can I find deals for flights from Sky Harbor Intl to Austin that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Austin.

  • Can I find deals for business class flights from Sky Harbor Intl to Austin?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Austin?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Austin (average of $285). Flying from Phoenix Sky Harbor Intl Airport to Austin in March is currently the most expensive (average of $362). 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.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
San Marcos
Round Rock
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Cedar Park
Canyon Lake
Seguin
Horseshoe Bay

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Top 4 airlines flying from Sky Harbor Intl to Austin

Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$165FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$158Average$357FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$160Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$204Average$298FlexibilityNo cancel feeOn-time69%

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