Find United Airlines(UA) flights from Austin to Phoenix

It takes about 2 hours 52 minutes to fly from Austin to Phoenix.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Austin to Phoenix is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

The cheapest months to fly from Austin to Phoenix is October, when demand for travel is lower.

After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Austin to Phoenix on October 22, 2026 with Frontier Airlines, with prices starting at US$114.

You can land at any one of the following hubs in Phoenix: Mesa Gateway Airport (AZA), Falcon Field Airport (MSC), Phoenix Sky Harbor International Airport (PHX), and Scottsdale Airport (SCF). Flying from Austin-Bergstrom International Airport to Phoenix Sky Harbor International Airport (AUS-PHX) is by far the most common option on this route.

The time difference between Phoenix and Austin is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.