$307 Cheap Flights from Killeen (GRK) to Austin (AUS)

View $307 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Killeen to Austin (GRK-AUS)

Prices were available within the past 7 days and start at $307 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 20 - Tue, Sep 23
GRK
Killeen
AUS
Austin
$597 Roundtrip, found 5 days ago
$597
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 20 from Killeen to Austin, returning Tue, Sep 23, priced at $597 found 5 days ago
American Airlines
Tue, Nov 4 - Tue, Nov 18
GRK
Killeen
AUS
Austin
$603 Roundtrip, found 18 hours ago
$603
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Nov 4 from Killeen to Austin, returning Tue, Nov 18, priced at $603 found 18 hours ago
American Airlines
Sat, Sep 20 - Fri, Sep 26
GRK
Killeen
AUS
Austin
$627 Roundtrip, found 5 days ago
$627
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 20 from Killeen to Austin, returning Fri, Sep 26, priced at $627 found 5 days ago
American Airlines
Sat, Sep 20 - Thu, Sep 25
GRK
Killeen
AUS
Austin
$628 Roundtrip, found 5 days ago
$628
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 20 from Killeen to Austin, returning Thu, Sep 25, priced at $628 found 5 days ago
American Airlines
Tue, Aug 19 - Tue, Sep 2
GRK
Killeen
AUS
Austin
$633 Roundtrip, found 3 days ago
$633
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 19 from Killeen to Austin, returning Tue, Sep 2, priced at $633 found 3 days ago
American Airlines
Mon, Nov 3 - Tue, Nov 18
GRK
Killeen
AUS
Austin
$634 Roundtrip, found 18 hours ago
$634
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Mon, Nov 3 from Killeen to Austin, returning Tue, Nov 18, priced at $634 found 18 hours ago
American Airlines
Thu, Aug 21 - Tue, Sep 2
GRK
Killeen
AUS
Austin
$653 Roundtrip, found 3 days ago
$653
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 21 from Killeen to Austin, returning Tue, Sep 2, priced at $653 found 3 days ago
American Airlines
Sat, Sep 20 - Sun, Sep 28
GRK
Killeen
AUS
Austin
$658 Roundtrip, found 5 days ago
$658
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 20 from Killeen to Austin, returning Sun, Sep 28, priced at $658 found 5 days ago
American Airlines
Fri, Sep 19 - Thu, Sep 25
GRK
Killeen
AUS
Austin
$659 Roundtrip, found 5 days ago
$659
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Sep 19 from Killeen to Austin, returning Thu, Sep 25, priced at $659 found 5 days ago
American Airlines
Sat, Aug 16 - Tue, Sep 2
GRK
Killeen
AUS
Austin
$663 Roundtrip, found 3 days ago
$663
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 16 from Killeen to Austin, returning Tue, Sep 2, priced at $663 found 3 days ago

Alternative airports near Austin

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

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $633
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $633
Flights from Killeen (GRK) to Austin (AUS)
Origin airport
Killeen-Fort Hood Regional
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines
Roundtrip price
$597
Distance
60 mi

Killeen to Austin Flights

The cheapest times to fly from Killeen to Austin

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

 

The best time to book a flight from Killeen to Austin

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

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 Killeen to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $307 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 Killeen to Austin 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 Killeen to Austin 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 Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS) cost?
Discover the latest flight deals from GRK to AUS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GRK to AUS?
The cheapest flights from GRK to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GRK to AUS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GRK to AUS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS)?
Nonstop flights from Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRK to AUS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS)?
To touch down at Austin-Bergstrom Intl. Airport (AUS) without delays, choose a flight that leaves Killeen-Fort Hood Regional Airport (GRK) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Last-minute bookings from GRK to AUS are generally more expensive. For the cheapest rates, start looking for flights well in advance. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a GRK to AUS flight and hotel package?
You can save money by securing a GRK to AUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to Austin-Bergstrom Intl. Airport (AUS)?
Typically, you can reschedule or cancel your GRK to AUS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.