$362 Cheap Flights from Houston (IAH) to Killeen (GRK)

View $362 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

Cheap Flights from Houston to Killeen (IAH-GRK)

Prices were available within the past 7 days and start at $362 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 3 - Wed, Dec 10
IAH
Houston
GRK
Killeen
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 3 from Houston to Killeen, returning Wed, Dec 10, priced at $389 found 1 day ago
American Airlines
Thu, Dec 25 - Sun, Jan 4
IAH
Houston
GRK
Killeen
$404 Roundtrip, found 5 days ago
$404
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 25 from Houston to Killeen, returning Sun, Jan 4, priced at $404 found 5 days ago
American Airlines
Thu, Nov 13 - Sun, Nov 23
IAH
Houston
GRK
Killeen
$414 Roundtrip, found 5 days ago
$414
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Nov 13 from Houston to Killeen, returning Sun, Nov 23, priced at $414 found 5 days ago
American Airlines
Fri, Dec 26 - Sun, Jan 4
IAH
Houston
GRK
Killeen
$419 Roundtrip, found 5 days ago
$419
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 26 from Houston to Killeen, returning Sun, Jan 4, priced at $419 found 5 days ago
American Airlines
Sun, Nov 2 - Thu, Nov 20
IAH
Houston
GRK
Killeen
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Nov 2 from Houston to Killeen, returning Thu, Nov 20, priced at $439 found 1 day ago
American Airlines
Mon, Dec 22 - Tue, Jan 6
IAH
Houston
GRK
Killeen
$443 Roundtrip, found 5 days ago
$443
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 22 from Houston to Killeen, returning Tue, Jan 6, priced at $443 found 5 days ago
American Airlines
Mon, Dec 22 - Sun, Jan 4
IAH
Houston
GRK
Killeen
$458 Roundtrip, found 5 days ago
$458
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 22 from Houston to Killeen, returning Sun, Jan 4, priced at $458 found 5 days ago
American Airlines
Sun, Nov 2 - Thu, Nov 20
IAH
Houston
GRK
Killeen
$461 Roundtrip, found 5 days ago
$461
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 2 from Houston to Killeen, returning Thu, Nov 20, priced at $461 found 5 days ago
American Airlines
Sat, Nov 8 - Thu, Nov 13
IAH
Houston
GRK
Killeen
$462 Roundtrip, found 1 day ago
$462
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 8 from Houston to Killeen, returning Thu, Nov 13, priced at $462 found 1 day ago
American Airlines
Sat, Nov 8 - Wed, Nov 12
IAH
Houston
GRK
Killeen
$465 Roundtrip, found 1 day ago
$465
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 8 from Houston to Killeen, returning Wed, Nov 12, priced at $465 found 1 day ago

Alternative airports near Killeen

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

Select flight to Killeen-Fort Hood Regional GRK. Cheapest option available. Average driving time to city center is 13 minutes. Flights from $414
GRK
Killeen-Fort Hood Regional
Cheapest
Average driving time to city center13 min
Flights from $414
Flights from Houston (IAH) to Killeen (GRK)
Origin airport
George Bush Intercontinental
Destination airport
Killeen-Fort Hood Regional
Roundtrip price
$388
Distance
165 mi

Houston to Killeen Flights

The cheapest times to fly from Houston to Killeen

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

 

The best time to book a flight from Houston to Killeen

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

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 Houston to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $362 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 Houston to Killeen 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 Houston to Killeen 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 George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK) cost?
Snag a cheap one-way flight from $362 or cheap return flight from $389 from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between IAH and GRK. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from IAH to GRK. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK)?
Direct flights from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to GRK?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAH to GRK?
Consider traveling with United Airlines if you'd like to fly straight from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 85%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK)?
To reach Killeen-Fort Hood Regional Airport (GRK) without delays, book a flight that takes off from George Bush Intercontinental Airport (IAH) 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 George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Last-minute bookings from IAH to GRK are usually more expensive. For the cheapest rates, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book an IAH to GRK flight and hotel package?
You'll typically save money by booking an IAH to GRK flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Killeen-Fort Hood Regional Airport (GRK)?
In most cases, you're able to cancel or reschedule your IAH to GRK flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.