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Cheap flights from Houston George Bush Intcntl Airport to Austin from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Austin departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Austin (IAH-AUS)

Cheap round-trip flights

United Airlines Logo
8:19 pm - 9:20 pmIAH-AUS
1h 01mnonstop
United Airlines Logo
5:55 pm - 7:00 pmAUS-IAH
1h 05mnonstop
$97United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
6:33 pm - 7:36 pmIAH-AUS
1h 03mnonstop
United Airlines Logo
2:15 pm - 3:22 pmAUS-IAH
1h 07mnonstop
$107United Airlines
Find Deal
Wed, Sep 17 - Thu, Sep 18
United Airlines Logo
7:50 am - 8:51 amIAH-AUS
1h 01mnonstop
United Airlines Logo
9:35 am - 10:40 amAUS-IAH
1h 05mnonstop
$117United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Frontier Logo
8:47 pm - 9:42 amIAH-AUS
12h 55m1 stop
Frontier Logo
1:06 pm - 10:03 pmAUS-IAH
8h 57m1 stop
$153Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
12:10 pm - 1:09 pmIAH-AUS
0h 59mnonstop
United Airlines Logo
5:46 am - 6:40 amAUS-IAH
0h 54mnonstop
$157United Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 21
Frontier Logo
6:05 am - 4:34 pmIAH-AUS
10h 29m1 stop
Frontier Logo
6:30 am - 11:39 pmAUS-IAH
17h 09m1 stop
$160Frontier
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Mon, Sep 15 - Mon, Sep 22
Spirit Airlines Logo
12:47 pm - 11:02 pmIAH-AUS
10h 15m1 stop
Spirit Airlines Logo
5:45 am - 6:12 pmAUS-IAH
12h 27m1 stop
$163Spirit Airlines
Find Deal
Wed, Sep 17 - Thu, Sep 18
Logo
8:26 pm - 6:03 pmIAH-AUS
21h 37m1 stop
Logo
5:45 am - 6:12 pmAUS-IAH
12h 27m1 stop
$164
Find Deal
Sun, Sep 14 - Wed, Sep 17
Spirit Airlines Logo
9:54 am - 11:12 pmIAH-AUS
13h 18m1 stop
Spirit Airlines Logo
5:45 am - 8:33 pmAUS-IAH
14h 48m1 stop
$185Spirit Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
Logo
8:26 pm - 6:03 pmIAH-AUS
21h 37m1 stop
Logo
5:45 am - 6:12 pmAUS-IAH
12h 27m1 stop
$186
Find Deal
Sun, Sep 28 - Sat, Oct 4

Frontier flights from Houston George Bush Intcntl Airport to Austin

Our best Frontier deals on Houston George Bush Intcntl Airport to Austin flight tickets
Frontier
Nov 13
IAH8:47 pmHouston George Bush Intcntl
12h 55m
1 stop
AUS9:42 amAustin Bergstrom
Nov 16
AUS1:06 pmAustin Bergstrom
8h 57m
1 stop
IAH10:03 pmHouston George Bush Intcntl
$153
Find similar
Frontier
Sep 15
IAH6:05 amHouston George Bush Intcntl
10h 29m
1 stop
AUS4:34 pmAustin Bergstrom
Sep 22
AUS6:30 amAustin Bergstrom
17h 09m
1 stop
IAH11:39 pmHouston George Bush Intcntl
$160
Find similar
Frontier
Sep 13
IAH3:11 pmHouston George Bush Intcntl
20h 33m
1 stop
AUS11:44 amAustin Bergstrom
Sep 14
AUS9:23 pmAustin Bergstrom
13h 46m
1 stop
IAH11:09 amHouston George Bush Intcntl
$162
Find similar

Spirit Airlines flights from Houston George Bush Intcntl Airport to Austin

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to Austin flight tickets
Spirit Airlines
Sep 17
IAH12:47 pmHouston George Bush Intcntl
10h 15m
1 stop
AUS11:02 pmAustin Bergstrom
Sep 18
AUS5:45 amAustin Bergstrom
12h 27m
1 stop
IAH6:12 pmHouston George Bush Intcntl
$163
Find similar
Spirit Airlines
Jan 10
IAH9:54 amHouston George Bush Intcntl
13h 18m
1 stop
AUS11:12 pmAustin Bergstrom
Jan 24
AUS5:45 amAustin Bergstrom
14h 48m
1 stop
IAH8:33 pmHouston George Bush Intcntl
$185
Find similar
Spirit Airlines
Sep 17
IAH12:47 pmHouston George Bush Intcntl
10h 15m
1 stop
AUS11:02 pmAustin Bergstrom
Sep 24
AUS5:45 amAustin Bergstrom
17h 38m
2 stops
IAH11:23 pmHouston George Bush Intcntl
$189
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Tue 9/16

8:19 pm-9:20 pm

Nonstop1h 01m

Austin Bergstrom

Tue 9/23

5:55 pm-7:00 pm

Nonstop1h 05m

$97

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Wed 9/17

6:33 pm-7:36 pm

Nonstop1h 03m

Austin Bergstrom

Thu 9/18

2:15 pm-3:22 pm

Nonstop1h 07m

$107

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Mon 9/15

7:50 am-8:51 am

Nonstop1h 01m

Austin Bergstrom

Mon 9/22

9:35 am-10:40 am

Nonstop1h 05m

$117

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Thu 11/13

8:47 pm-9:42 am

1 stop12h 55m

Austin Bergstrom

Sun 11/16

1:06 pm-10:03 pm

1 stop8h 57m

$153

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Sat 1/10

12:10 pm-1:09 pm

Nonstop0h 59m

Austin Bergstrom

Wed 1/21

5:46 am-6:40 am

Nonstop0h 54m

$157

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Mon 9/15

6:05 am-4:34 pm

1 stop10h 29m

Austin Bergstrom

Mon 9/22

6:30 am-11:39 pm

1 stop17h 09m

$160

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Wed 9/17

12:47 pm-11:02 pm

1 stop10h 15m

Austin Bergstrom

Thu 9/18

5:45 am-6:12 pm

1 stop12h 27m

$163

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Sun 9/14

8:26 pm-6:03 pm

1 stop21h 37m

Austin Bergstrom

Wed 9/17

5:45 am-6:12 pm

1 stop12h 27m

$164

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Sat 1/10

9:54 am-11:12 pm

1 stop13h 18m

Austin Bergstrom

Sat 1/24

5:45 am-8:33 pm

1 stop14h 48m

$185

HoustonAustin

IAH - AUS

IAHAUS

Houston George Bush Intcntl

Sun 9/28

8:26 pm-6:03 pm

1 stop21h 37m

Austin Bergstrom

Sat 10/4

5:45 am-6:12 pm

1 stop12h 27m

$186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Houston George Bush Intcntl Airport is in August. Flight prices, which tend to average around $196, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then May is your next best option. Flight prices from Houston George Bush Intcntl Airport to Austin during May average around $253.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $232. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to Austin for around $446.

What is the cheapest time of day to depart on your flight to Austin?

At noon is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Austin when you can find flight prices for as low as $288. Flying to Austin at noon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $531. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston George Bush Intcntl to Austin Bergstrom flight route?

Fly from Houston George Bush Intcntl to Austin Bergstrom for the best Houston George Bush Intcntl - Austin Bergstrom flight prices

What cabin class options are available on Houston George Bush Intcntl to Austin Bergstrom flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Austin flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Austin.

How have Houston George Bush Intcntl Airport to Austin flight prices changed over time?

As of August 2025, prices for Houston George Bush Intcntl Airport to Austin flights are approximately 96% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Austin (IAH to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Austin

Best Price Found

$220

Fastest flight time

0h 53m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Houston George Bush Intcntl Airport in the past 72 hours is $220. The best round-trip flight deal from Houston George Bush Intcntl Airport to Austin found on momondo in the last 72 hours is $333.
The fastest flight from Houston George Bush Intcntl Airport to Austin takes 0h 53m
Direct flights go from Houston George Bush Intcntl Airport to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)
Search flight deals

  • How far is Houston George Bush Intcntl to Austin Bergstrom by plane?

    Houston George Bush Intcntl and Austin Bergstrom are 145.0 mi apart from one another. In terms of flight time, this usually takes a little over 0h 58m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Austin Bergstrom Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Austin Bergstrom Airport are updated daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Austin?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Austin?

Best airlines flying from Houston George Bush Intcntl Airport to Austin

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Austin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

  • United Airlines Flights From Houston George Bush Intcntl Airport to Austin

    Across 42 United Airlines flights from Houston George Bush Intcntl Airport to Austin this week, the average price was $325, with the best United Airlines deals starting from $137 round-trip. 8,928 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Horseshoe Bay
Dripping Springs
Cedar Park
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Austin?

It is quick and easy to find Houston to Austin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Austin that suits you.

Can I find flights from Houston to Austin with flexible booking policies on momondo?

Yes. All flights to Austin from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Austin?

momondo helps you find the best flight between Houston and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Austin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

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