$70 Cheap Flights from Austin (AUS) to Phoenix (PHX)

View $70 flight on Tue, Dec 16, 2025Opens in a new window

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

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Cheap Flights from Austin to Phoenix (AUS-PHX)

Prices were available within the past 7 days and start at $70 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Oct 27 - Mon, Nov 3
AUS
Austin
PHX
Phoenix
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 27 from Austin to Phoenix, returning Mon, Nov 3, priced at $98 just found
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
AUS
Austin
PHX
Phoenix
$139 Roundtrip, found 2 hours ago
$139
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Austin to Phoenix, returning Tue, Sep 16, priced at $139 found 2 hours ago
American Airlines
Tue, Oct 28 - Tue, Nov 4
AUS
Austin
PHX
Phoenix
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Austin to Phoenix, returning Tue, Nov 4, priced at $139 found 3 hours ago
Frontier Airlines
Wed, Aug 13 - Sun, Aug 31
AUS
Austin
PHX
Phoenix
$147 Roundtrip, found 2 days ago
$147
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Austin to Phoenix, returning Sun, Aug 31, priced at $147 found 2 days ago
Southwest Airlines
Tue, Sep 16 - Thu, Sep 25
AUS
Austin
PHX
Phoenix
$148 Roundtrip, just found
$148
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 16 from Austin to Phoenix, returning Thu, Sep 25, priced at $148 just found
Southwest Airlines
Wed, Oct 22 - Sat, Nov 1
AUS
Austin
PHX
Phoenix
$153 Roundtrip, found 3 hours ago
$153
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Austin to Phoenix, returning Sat, Nov 1, priced at $153 found 3 hours ago
Southwest Airlines
Wed, Aug 20 - Sat, Aug 30
AUS
Austin
PHX
Phoenix
$154 Roundtrip, found 3 hours ago
$154
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Aug 20 from Austin to Phoenix, returning Sat, Aug 30, priced at $154 found 3 hours ago
Alaska Airlines
Wed, Sep 17 - Sat, Sep 27
AUS
Austin
PHX
Phoenix
$156 Roundtrip, found 3 hours ago
$156
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Austin to Phoenix, returning Sat, Sep 27, priced at $156 found 3 hours ago
Southwest Airlines
Mon, Aug 25 - Thu, Aug 28
AUS
Austin
PHX
Phoenix
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Aug 25 from Austin to Phoenix, returning Thu, Aug 28, priced at $157 found 1 hour ago
Delta
Sat, Sep 20 - Sat, Sep 27
AUS
Austin
PHX
Phoenix
$181 Roundtrip, found 3 hours ago
$181
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Sep 20 from Austin to Phoenix, returning Sat, Sep 27, priced at $181 found 3 hours ago

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

May is typically the cheapest month to fly

From $95 - $372 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $176
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $176
0
Flights from Austin (AUS) to Phoenix (PHX)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$98
Distance
870 mi

Austin to Phoenix Flights

The cheapest times to fly from Austin to Phoenix

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 Austin to Phoenix are during the month of October. You can find some of the cheapest flights from Austin to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Phoenix

Sunday is one of the best days to book for cheap flights from Austin to Phoenix: 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 Austin to Phoenix

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 Austin to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 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 Austin to Phoenix 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 Austin to Phoenix 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 Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX) cost?
Cheap return fares from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX) start from $129. 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 AUS on August 13 2025 and touching down at PHX. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from AUS to PHX?
The cheapest flights from AUS to PHX 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 Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Board a nonstop flight with Southwest Airlines and travel straight from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX).
What is the cheapest airline that flies from AUS to PHX?
Book a flight from AUS to PHX with Southwest Airlines. This carrier currently has the cheapest one-way ticket on this route, starting from $70. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from AUS on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Each day, an average of 8 nonstop flights operate from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
More people fly between AUS and PHX at 2 PM than at any other point in the day. Rather go when it's quieter? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from AUS to PHX?
Thursday has the most flights from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Take the earliest flight at around 5:41AM UTC-6, leaving from Austin-Bergstrom Intl. Airport (AUS). You'll be in the air for roughly 2h 44m, reaching Sky Harbor Intl. Airport (PHX) at approximately 7:25AM UTC-7.
How long does it take to fly from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
The average flight duration from AUS to PHX is 2 hours and 41 minutes, covering a distance of 870 mi.
What airline has the least delays from AUS to PHX?
With 80% of journeys generally landing on schedule, American Airlines has the best on-time performance for nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX). To check your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
To reach Sky Harbor Intl. Airport (PHX) without delays, pick a flight that leaves from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Phoenix from Austin-Bergstrom Intl. Airport (AUS)?
Explore your flight options from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX). This is the only airport in Phoenix you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX) last-minute?
Holding off until just before your departure to book your flight from AUS to PHX generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book an AUS to PHX flight and hotel package?
Compared with arranging hotels and flights separately, booking an AUS to PHX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
If you booked your AUS to PHX flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.