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Find cheap United Airlines flights to Austin

RDU — AUS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find United Airlines flight deals to Austin

Cheapest United Airlines flights from USA to Austin
Explore the most affordable United Airlines flight options available from USA to Austin. Find the lowest fares with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:00 pm
SFO
-
AUS
Nonstop3h 40m
United Airlines
Mon 8/244:00 pm
AUS
-
SFO
Nonstop3h 50m
United Airlines
Deal found 7/26$227
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:19 pm
SFO
-
AUS
Nonstop3h 40m
United Airlines
Mon 8/312:02 pm
AUS
-
SFO
1 stop5h 40m
United Airlines
Deal found 7/27$237
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:19 pm
SFO
-
AUS
Nonstop3h 40m
United Airlines
Tue 8/251:38 pm
AUS
-
SFO
Nonstop3h 50m
United Airlines
Deal found 7/26$241

Flights to Austin with United Airlines at a glance

Find detailed information about United Airlines flights from USA to Austin. Explore the options provided by United Airlines to plan your journey from USA to Austin. Data last updated July 27, 2026.

Popular in

July

Cheapest in

October

Average price

$407

Round-trip from

$227

One-way from

$121

Good one-way deal

$234 or less
Highest demand for flights to Austin with United Airlines; 7% potential price increase.
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Best time to find cheap flights to Austin with United Airlines; 1% potential price drop.
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Average price for flights to Austin with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 9/24-9/28
  • Nonstop
  • 7h 37m total
  • USA to Austin
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United Airlines
  • United Airlines
  • 9/12
  • Nonstop
  • 3h 37m total
  • USA to Austin
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Price to beat on a one-way flight from the United States to Austin with United Airlines.
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Cheapflights Insights

Find cheap United Airlines flights to Austin

How long is the flight to Austin with United Airlines?

On average, United Airlines flights from the United States to Austin take 3 hours 6 minutes. Flights to Austin from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to Austin

The most flights to Austin operated by United Airlines are scheduled on a Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

When is the best time to book a flight to Austin with United Airlines?

The best time to book a flight to Austin with United Airlines is 73 days before departure. On average, fares are higher if you book 1 day before departure.

When is the cheapest time to fly to Austin with United Airlines?

Users looking for the cheapest United Airlines fares to Austin should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

FAQs about flights to Austin with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to Austin?

    United Airlines flights on this route tend to land at Austin Bergstrom Airport.

  • Is United Airlines the cheapest airline for a flight to Austin?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Austin tends to be with Sun Country Air.

  • Are there alternative airlines other than United Airlines that fly to Austin?

    Southwest, Delta and American Airlines all fly to Austin and offer an alternative to United Airlines.

  • How much is a flight to Austin with United Airlines?

    The average price for a return flight with United Airlines is $399; with a one-way flight around $276.

See more FAQs

Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Overview

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Popular United Airlines flights

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