$358 Cheap Flights from Killeen (GRK) to Houston (IAH)

View $358 flight on Sat, Nov 8, 2025Opens in a new window

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

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Cheap Flights from Killeen to Houston (GRK-IAH)

Prices were available within the past 7 days and start at $358 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, Mar 18 - Tue, Mar 24
GRK
Killeen
IAH
Houston
$389 Roundtrip, found 4 hours ago
$389
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Killeen to Houston, returning Tue, Mar 24, priced at $389 found 4 hours ago
American Airlines
Wed, Mar 18 - Mon, Mar 23
GRK
Killeen
IAH
Houston
$404 Roundtrip, found 4 hours ago
$404
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Killeen to Houston, returning Mon, Mar 23, priced at $404 found 4 hours ago
American Airlines
Fri, Mar 27 - Mon, Apr 6
GRK
Killeen
IAH
Houston
$419 Roundtrip, found 4 hours ago
$419
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Mar 27 from Killeen to Houston, returning Mon, Apr 6, priced at $419 found 4 hours ago
American Airlines
Tue, Mar 31 - Sun, Apr 19
GRK
Killeen
IAH
Houston
$424 Roundtrip, found 4 hours ago
$424
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Mar 31 from Killeen to Houston, returning Sun, Apr 19, priced at $424 found 4 hours ago
American Airlines
Tue, Feb 17 - Tue, Mar 3
GRK
Killeen
IAH
Houston
$427 Roundtrip, found 4 hours ago
$427
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Houston, returning Tue, Mar 3, priced at $427 found 4 hours ago
American Airlines
Thu, Feb 19 - Sun, Mar 8
GRK
Killeen
IAH
Houston
$434 Roundtrip, found 4 hours ago
$434
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Feb 19 from Killeen to Houston, returning Sun, Mar 8, priced at $434 found 4 hours ago
American Airlines
Thu, Mar 12 - Tue, Mar 24
GRK
Killeen
IAH
Houston
$439 Roundtrip, found 4 hours ago
$439
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Mar 12 from Killeen to Houston, returning Tue, Mar 24, priced at $439 found 4 hours ago
American Airlines
Wed, Mar 25 - Mon, Apr 6
GRK
Killeen
IAH
Houston
$442 Roundtrip, found 4 hours ago
$442
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Mar 25 from Killeen to Houston, returning Mon, Apr 6, priced at $442 found 4 hours ago
American Airlines
Tue, Mar 17 - Sun, Mar 29
GRK
Killeen
IAH
Houston
$444 Roundtrip, found 4 hours ago
$444
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Killeen to Houston, returning Sun, Mar 29, priced at $444 found 4 hours ago
American Airlines
Sun, Mar 8 - Mon, Mar 23
GRK
Killeen
IAH
Houston
$449 Roundtrip, found 4 hours ago
$449
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sun, Mar 8 from Killeen to Houston, returning Mon, Mar 23, priced at $449 found 4 hours ago

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $424
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $424

Frequently asked questions

How much does a flight from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $358 or cheap return flight from $389 from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH) 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 Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
Planning your trip for March can help you save, as it's the cheapest month for flights between GRK and IAH. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
You can't catch a direct flight to George Bush Intercontinental Airport (IAH) from Killeen, TX (GRK-Killeen-Fort Hood Regional). However, you can arrive in Houston without any layovers by taking off from Austin-Bergstrom Intl. Airport (AUS).
What is the cheapest airline that flies from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
To find the cheapest airline that'll fly you from GRK to IAH, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
There aren't any daily nonstop flights from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from GRK to IAH?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from GRK to IAH?
United Airlines has the strongest track record for on-time direct flights from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH), with an on-time score of 84%. Use the Expedia App to check your flight schedule before you head off and get real-time alerts about any changes.
What is the best time to fly from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
Book a flight from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 George Bush Intercontinental Airport (IAH) last-minute?
Booking your ticket from GRK to IAH right before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a GRK to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking a GRK to IAH flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to George Bush Intercontinental Airport (IAH)?
In most cases, you're able to reschedule or cancel your GRK to IAH flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Killeen-Fort Hood Regional
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines
Roundtrip price
$383
Distance
165 mi

Book with confidence

Killeen to Houston Flights

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

 

The best time to book a flight from Killeen to Houston

Sunday is one of the best days to book for cheap flights from Killeen 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 Killeen 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 Killeen to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $358 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 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 Killeen 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.

 

Killeen to Houston Flights

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