$70 Cheap United flights Houston (IAH) to Austin (AUS)

View $70 flight on Wed, Oct 15, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$70 Cheap United flights Houston (IAH) to Austin (AUS)

Prices were available within the past 7 days and start at $70 for one-way flights and $119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 2 - Thu, Dec 4
IAH
Houston
AUS
Austin
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 2 from Houston to Austin, returning Thu, Dec 4, priced at $119 found 3 days ago
United
Wed, Nov 5 - Mon, Nov 10
IAH
Houston
AUS
Austin
$123 Roundtrip, found 5 days ago
$123
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Houston to Austin, returning Mon, Nov 10, priced at $123 found 5 days ago
United
Mon, Nov 10 - Wed, Nov 12
IAH
Houston
AUS
Austin
$123 Roundtrip, found 2 days ago
$123
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Houston to Austin, returning Wed, Nov 12, priced at $123 found 2 days ago
United
Thu, Oct 9 - Tue, Oct 21
IAH
Houston
AUS
Austin
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 9 from Houston to Austin, returning Tue, Oct 21, priced at $126 found 4 days ago
United
Tue, Dec 2 - Thu, Dec 4
IAH
Houston
AUS
Austin
$130 Roundtrip, found 3 days ago
$130
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 2 from Houston to Austin, returning Thu, Dec 4, priced at $130 found 3 days ago
United
Wed, Oct 22 - Thu, Oct 23
IAH
Houston
AUS
Austin
$130 Roundtrip, found 5 days ago
$130
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 22 from Houston to Austin, returning Thu, Oct 23, priced at $130 found 5 days ago
Flights from Houston (IAH) to Austin (AUS)
Origin airport
George Bush Intercontinental
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Spirit Airlines, United
Popular airline
United
Distance
139 mi
Average flight time
1 hour 1 min

Frequently asked questions

How much is a United Airlines flight from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS)?
Landing cheap one-way United Airlines flights from IAH to AUS from $70 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $119 for your next break.**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 IAH to AUS with United Airlines?
United Airlines flights to Austin are often more affordable in the quieter months of January and December. Whether you're searching for a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS) with United Airlines?
Search for cheap United Airlines flights from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS) one to three months ahead of your day of departure. 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. No matter the fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive 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 George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS)?
United Airlines has direct flights from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS), with 56 departures every week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to show all direct United Airlines flights to AUS.
How long does it take to fly from IAH to AUS with United Airlines?
From takeoff till landing, a nonstop United Airlines flight from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS) typically takes 1h 4m.
Which day of the week has the most United Airlines flights from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS)?
If flexibility is what you're after, Thursday offers the most choice for United Airlines flights from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS). You can select from 8 different departures.
What is the earliest United Airlines flight from IAH to AUS?
The first United Airlines flight from IAH to AUS takes off at 7:20AM UTC-6, touching down at 8:26AM UTC-6. If you'd like to jet off later, the last United Airlines flight leaves IAH at 10:00PM UTC-6 and touches down at AUS at 10:58PM UTC-6. Flying before noon is often a good option as morning flights are least likely to experience cancellations.**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 Austin?
Austin-Bergstrom Intl. Airport (AUS) is the main Austin hub for United Airlines flights from George Bush Intercontinental Airport (IAH).
Why fly with United Airlines from IAH to AUS?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to leave from IAH to AUS with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS)?
You'll likely be onboard a Boeing 737-900 or a Boeing 737-800 when flying United Airlines from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS). However, keep in mind that a different aircraft could be assigned to your route depending on operational reasons.
Can I change or cancel my United Airlines flight from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom Intl. Airport (AUS)?
Depending on the type of ticket you purchased, a fee will generally apply if you modify or cancel your booking more than 24 hours after it's been confirmed. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you search for flights. For more information on canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.