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$344+ Cheap flights from Killeen (GRK) to Houston

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — HOU
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Killeen to Houston

Cheapest flights from Killeen to Houston
Explore the most affordable flight options available from Killeen to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:05 amGRK - IAH
1 stop3h 58mAmerican Airlines
Sun 12/72:23 pmIAH - GRK
1 stop3h 55mAmerican Airlines
Deal found 12/3$489
This American Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:05 amGRK - HOU
1 stop3h 33mAmerican Airlines
Sun 12/76:29 pmHOU - GRK
1 stop3h 04mAmerican Airlines
Deal found 12/3$489
This American Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:05 amGRK - HOU
1 stop3h 30mAmerican Airlines
Wed 12/312:16 pmHOU - GRK
1 stop3h 21mAmerican Airlines
Deal found 12/1$715

Find flight deals from Killeen to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Round-trip from

$344
(American Airlines)
From Killeen Fort Hood Regional to Houston
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Houston 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Killeen to Houston that are best for you.

Fly from

Killeen

Fly to

Houston

Route

Depart

Return

Price

KilleenHouston

GRK - IAH

GRKIAH

Killeen Fort Hood Regional

Sat 4/11

6:44 pm-11:44 pm

1 stop5h 00m

Houston George Bush Intcntl

Sat 4/18

6:26 pm-11:21 pm

1 stop4h 55m

$344

KilleenHouston

GRK - HOU

GRKHOU

Killeen Fort Hood Regional

Sat 4/11

12:46 pm-5:59 pm

1 stop5h 13m

Houston Hobby

Sat 4/18

5:00 am-9:23 am

1 stop4h 23m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Best time to book a flight from Killeen to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Killeen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Houston

What is the cheapest month to book a flight from Killeen to Houston?

Currently, October is the cheapest month in which you can book a flight from Killeen to Houston (average of $77). Flying from Killeen to Houston in July is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GRK to HOU?

Find hourly flight availability from Killeen to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Killeen to Houston by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Killeen to Houston?

    If you book a flight to Houston from Killeen, you will be flying from Fort Hood Regional, which is the city’s only airport. Killeen Fort Hood Regional (GRK) is located 6.9 mi from the center of Killeen. There are 0 flights from Fort Hood Regional to Houston per day from 0 different airlines.

  • How long is the flight from Killeen to Houston?

    A quick flight from Killeen to Houston can take about 4h 59m. American Airlines provides one of the quickest options available for as low as $344. There are 166 mi between Killeen and Houston.

  • Can I find deals for flights from Killeen to Houston that include hotel bookings?

    Yes. In addition to deals on Killeen to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Houston.

  • Can I find deals for business class flights from Killeen to Houston?

    Yes. Cheapflights offers flight deals from Killeen to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to Houston?

    Currently, October is the cheapest month in which you can book a flight from Killeen to Houston (average of $77). Flying from Killeen to Houston in July is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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