$109 Cheap United flights Austin (AUS) to Phoenix (PHX)

View $109 flight on Tue, Jan 20, 2026Opens in a new window

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$109 Cheap United flights Austin (AUS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $109 for one-way flights and $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 13 - Tue, Jan 20
AUS
Austin
PHX
Phoenix
$212 Roundtrip, found 14 hours ago
$212
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Jan 13 from Austin to Phoenix, returning Tue, Jan 20, priced at $212 found 14 hours ago
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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, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
870 mi

Frequently asked questions

How much is a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from $212 from AUS to PHX. Affordable one-way fares from $109 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from AUS to PHX with United Airlines?
Look for one-way or return flights to Phoenix in July or August. You could find a cheap fare with United Airlines during these off-peak times.
What is the cheapest time to book flights from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX) with United Airlines?
Look for cheap United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Simply enter your dates, hit search and check "Nonstop" on Expedia to find any direct flights from AUS to PHX with United Airlines or other carriers.
What is the earliest United Airlines flight from AUS to PHX?
Search United Airlines's earliest flights from AUS to PHX by selecting the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Phoenix?
Sky Harbor Intl. Airport (PHX) is the primary Phoenix hub for United Airlines flights from Austin-Bergstrom Intl. Airport (AUS).
Why fly with United Airlines from AUS to PHX?
Depart from AUS to PHX with United Airlines and you can look forward to a host of benefits including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Sky Harbor Intl. Airport (PHX)?
Changes are often free within 24 hours of making your booking, but your airline may charge you after that time. For more details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to update your itinerary without extra charges, check the "Changes included" and "No cancel fee" filters when planning your next escape.

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*Available to One Key members.