$56 Cheap Flights from Phoenix (PHX) to Austin (AUS)

View $56 flight on Thu, Oct 9, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)

Cheap Flights from Phoenix to Austin (PHX-AUS)

Prices were available within the past 7 days and start at $56 for one-way flights and $112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 29 - Mon, Sep 1
PHX
Phoenix
AUS
Austin
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 29 from Phoenix to Austin, returning Mon, Sep 1, priced at $112 just found
Frontier Airlines
Fri, Aug 29 - Mon, Sep 1
PHX
Phoenix
AUS
Austin
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 29 from Phoenix to Austin, returning Mon, Sep 1, priced at $115 just found
Frontier Airlines
Fri, Aug 15 - Mon, Aug 18
PHX
Phoenix
AUS
Austin
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 15 from Phoenix to Austin, returning Mon, Aug 18, priced at $115 just found
Frontier Airlines
Fri, Aug 1 - Wed, Aug 6
PHX
Phoenix
AUS
Austin
$116 Roundtrip, found 2 hours ago
$116
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Phoenix to Austin, returning Wed, Aug 6, priced at $116 found 2 hours ago
Southwest Airlines
Tue, Oct 7 - Mon, Oct 13
PHX
Phoenix
AUS
Austin
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Oct 7 from Phoenix to Austin, returning Mon, Oct 13, priced at $117 just found
American Airlines
Tue, Aug 12 - Sat, Aug 16
PHX
Phoenix
AUS
Austin
$117 Roundtrip, just found
$117
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 12 from Phoenix to Austin, returning Sat, Aug 16, priced at $117 just found
Frontier Airlines
Sun, Aug 3 - Wed, Aug 6
PHX
Phoenix
AUS
Austin
$118 Roundtrip, found 2 hours ago
$118
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Aug 3 from Phoenix to Austin, returning Wed, Aug 6, priced at $118 found 2 hours ago
Southwest Airlines
Fri, Aug 29 - Mon, Sep 1
PHX
Phoenix
AUS
Austin
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Aug 29 from Phoenix to Austin, returning Mon, Sep 1, priced at $120 just found
United
Mon, Oct 27 - Mon, Nov 3
PHX
Phoenix
AUS
Austin
$120 Roundtrip, found 15 hours ago
$120
Roundtrip
found 15 hours ago
Select United flight, departing Mon, Oct 27 from Phoenix to Austin, returning Mon, Nov 3, priced at $120 found 15 hours ago
Alaska Airlines
Mon, Aug 25 - Sun, Aug 31
PHX
Phoenix
AUS
Austin
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 25 from Phoenix to Austin, returning Sun, Aug 31, priced at $170 just found

Find the cheapest month to fly from Phoenix (PHX) to Austin (AUS)

September is typically the cheapest month to fly

From $88 - $160 per traveler.

Graph displaying average flight prices per month

Flights from Phoenix (PHX) to Austin (AUS)
Origin airport
Sky Harbor Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$106
Distance
870 mi
Average flight time
4 hours 15 mins

Phoenix to Austin Flights

The cheapest times to fly from Phoenix to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Austin are during the month of August. You can find some of the cheapest flights from Phoenix to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Austin

Sunday is one of the best days to book for cheap flights from Phoenix to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $56 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) cost?
Pick up cheap return flights starting from $106 from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving PHX on July 28 2025 and touching down at AUS. The price was last updated on July 7 2025 and has not changed since.
What is the cheapest month to fly from PHX to AUS?
The cheapest flights from PHX to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
Fly directly from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) on a Southwest Airlines flight.
What is the cheapest airline that flies from PHX to AUS?
Jet off from PHX to AUS with Frontier Airlines. This airline currently offers the cheapest one-way ticket on this route, starting at $56. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on October 2 2025. Prices were last updated on July 7 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
With, on average, 8 direct flights that operate from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) every day, you'll be on your way in no time.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
More people fly between PHX and AUS at 10 AM than at any other time. Looking to skip the crowds? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from PHX to AUS?
Depart on a Sunday if you're looking for the best selection of flights from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
Sky Harbor Intl. Airport (PHX)'s first flight to Austin-Bergstrom Intl. Airport (AUS) leaves at approximately 6:10AM UTC-7. With a travel time of 2h 5m, you'll touch down at around 9:15AM UTC-6.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
It usually takes 2 hours and 17 minutes to travel the 870 mi from PHX to AUS.
What airline has the least delays from PHX to AUS?
Consider traveling with American Airlines if you'd like to go straight from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) without any delays. This airline has the strongest track record for punctuality, with an on-time performance of 88%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
Choose a flight from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Austin from Sky Harbor Intl. Airport (PHX)?
Browse your flight options from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS). This is the only airport in Austin you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Waiting until just before your trip to book a ticket from PHX to AUS generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a PHX to AUS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to AUS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just secure your flights and select from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Austin-Bergstrom Intl. Airport (AUS)?
Usually, it's possible to reschedule or cancel your PHX to AUS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.