$49 Cheap Flights from Austin (AUS) to Houston (IAH)

View $49 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Austin to Houston (AUS-IAH)

Prices were available within the past 7 days and start at $49 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 28 - Sat, Sep 27
AUS
Austin
IAH
Houston
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 28 from Austin to Houston, returning Sat, Sep 27, priced at $97 found 2 hours ago
United
Tue, Oct 7 - Wed, Oct 15
AUS
Austin
IAH
Houston
$102 Roundtrip, found 6 days ago
$102
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Austin to Houston, returning Wed, Oct 15, priced at $102 found 6 days ago
United
Mon, Sep 29 - Thu, Oct 2
AUS
Austin
IAH
Houston
$118 Roundtrip, found 22 hours ago
$118
Roundtrip
found 22 hours ago
Select United flight, departing Mon, Sep 29 from Austin to Houston, returning Thu, Oct 2, priced at $118 found 22 hours ago
United
Thu, Aug 28 - Sat, Sep 27
AUS
Austin
IAH
Houston
$124 Roundtrip, found 2 hours ago
$124
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 28 from Austin to Houston, returning Sat, Sep 27, priced at $124 found 2 hours ago
United
Sat, Aug 30 - Sun, Aug 31
AUS
Austin
IAH
Houston
$127 Roundtrip, found 9 hours ago
$127
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Aug 30 from Austin to Houston, returning Sun, Aug 31, priced at $127 found 9 hours ago
United
Fri, Dec 12 - Thu, Dec 18
AUS
Austin
IAH
Houston
$130 Roundtrip, found 6 days ago
$130
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 12 from Austin to Houston, returning Thu, Dec 18, priced at $130 found 6 days ago
United
Sat, Aug 23 - Mon, Aug 25
AUS
Austin
IAH
Houston
$130 Roundtrip, found 5 days ago
$130
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 23 from Austin to Houston, returning Mon, Aug 25, priced at $130 found 5 days ago
American Airlines
Tue, Sep 16 - Wed, Sep 17
AUS
Austin
IAH
Houston
$133 Roundtrip, found 12 hours ago
$133
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Sep 16 from Austin to Houston, returning Wed, Sep 17, priced at $133 found 12 hours ago
Delta
Tue, Sep 16 - Wed, Sep 17
AUS
Austin
IAH
Houston
$343 Roundtrip, found 12 hours ago
$343
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Sep 16 from Austin to Houston, returning Wed, Sep 17, priced at $343 found 12 hours ago
Alaska Airlines
Wed, Aug 20 - Mon, Sep 22
AUS
Austin
IAH
Houston
$10,664 Roundtrip, found 1 day ago
$10,664
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Austin to Houston, returning Mon, Sep 22, priced at $10,664 found 1 day ago

Find the cheapest month to fly from Austin (AUS) to Houston (IAH)

June is typically the cheapest month to fly

From $77 - $562 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Select flight to William P. Hobby HOU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $339
HOU
William P. Hobby
CheapestClosest
Average driving time to city center15 min
Flights from $339
Flights from Austin (AUS) to Houston (IAH)
Origin airport
Austin-Bergstrom Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$97
Distance
139 mi
Average flight time
1 hour 5 mins

Austin to Houston Flights

The cheapest times to fly from Austin to Houston

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

 

The best time to book a flight from Austin to Houston

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

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 Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $49 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 Houston 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 Houston 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 George Bush Intercontinental Airport (IAH) cost?
You can pick up cheap return flights starting at $77 from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH). 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 United and Southwest Airlines flight leaving AUS on August 19 2025 and touching down at IAH. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from AUS to IAH?
The cheapest flights from AUS to IAH 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 George Bush Intercontinental Airport (IAH)?
When setting off from Austin-Bergstrom Intl. Airport (AUS), you can get on a nonstop flight to George Bush Intercontinental Airport (IAH) with United Airlines.
What is the cheapest airline that flies from AUS to IAH?
At the moment, the cheapest carrier offering one-way flights from AUS to IAH is United. You can jet off on this route from $39. 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 16 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 George Bush Intercontinental Airport (IAH)?
Each day, an average of 8 direct flights operate from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH). Choose the departure date that best suits your travel plans.
What are the most popular departure times for flights from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)?
Flights between AUS and IAH are busiest at 7 AM. If you want a more relaxed experience and potentially cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from AUS to IAH?
If you fly on a Friday, you'll get the largest range of choices for flights from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)?
Take the earliest flight at around 5:15AM UTC-6, departing from Austin-Bergstrom Intl. Airport (AUS). You'll be traveling for about 1h 9m, arriving at George Bush Intercontinental Airport (IAH) at approximately 6:24AM UTC-6.
How long does it take to fly from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)?
The average flight duration from AUS to IAH is 1 hour and 7 minutes, covering a distance of 140 mi.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)?
To reach George Bush Intercontinental Airport (IAH) on time, select a flight that leaves from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The likelihood 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 Houston from Austin-Bergstrom Intl. Airport (AUS)?
Take a direct flight from Austin-Bergstrom Intl. Airport (AUS) to Houston and land at George Bush Intercontinental Airport (IAH). Another entry point into this destination is William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your trip to book a ticket from AUS to IAH generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book an AUS to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to IAH flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to George Bush Intercontinental Airport (IAH)?
Typically, it's possible to cancel or reschedule your AUS to IAH flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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