$227+ Cheap flights from Houston to Killeen (GRK)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — GRK
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Killeen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to Killeen
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to KilleenExplore the most affordable flight options available from Houston to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Houston to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/285:00 am -
1 stop4h 29m
Fri 9/49:59 am -
1 stop3h 20m
Deal found 7/31![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/175:00 am -
1 stop4h 29m
Mon 8/243:05 pm -
1 stop3h 39m
Deal found 7/30![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/55:00 am -
1 stop4h 29m
Sun 9/67:22 pm -
1 stop2h 58m
Deal found 8/2![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 8/2. 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 8/76:00 am -
1 stop6h 07m
Sun 9/69:59 am -
1 stop5h 32m
Deal found 8/2![American Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/612:57 pm -
1 stop5h 55m
Sun 8/912:37 pm -
1 stop5h 07m
Deal found 7/30![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/67:51 pm -
1 stop3h 48m
Sun 8/93:05 pm -
1 stop5h 35m
Deal found 7/30![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/55:00 am -
1 stop4h 29m
Wed 8/53:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$805
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/511:28 am -
1 stop3h 07m
Fri 8/73:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 8/2. 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 8/75:00 am -
1 stop4h 29m
Fri 8/73:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$855
Best flights from Houston to KilleenDiscover carefully curated flight deals from Houston to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Houston to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/3010:26 am -
1 stop4h 09m
Sun 9/69:59 am -
1 stop5h 32m
Deal found 8/2![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/285:00 am -
1 stop4h 29m
Fri 9/49:59 am -
1 stop3h 20m
Deal found 7/31![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/175:00 am -
1 stop4h 29m
Mon 8/243:05 pm -
1 stop3h 39m
Deal found 7/30![American Airlines logo]()
$449
Last-minute flights from Houston to KilleenDiscover last-minute flight deals from Houston to Killeen. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Killeen. Data last updated August 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/55:00 am -
1 stop4h 29m
Sun 9/67:22 pm -
1 stop2h 58m
Deal found 8/2![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/55:00 am -
1 stop4h 29m
Wed 8/53:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$805
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 8/511:28 am -
1 stop3h 07m
Fri 8/73:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/612:57 pm -
1 stop5h 55m
Sun 8/912:37 pm -
1 stop5h 07m
Deal found 7/30![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/67:51 pm -
1 stop3h 48m
Sun 8/93:05 pm -
1 stop5h 35m
Deal found 7/30![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 8/2. 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 8/76:00 am -
1 stop6h 07m
Sun 9/69:59 am -
1 stop5h 32m
Deal found 8/2![American Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 8/2. 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 8/75:00 am -
1 stop4h 29m
Fri 8/73:05 pm -
1 stop5h 35m
Deal found 8/2![American Airlines logo]()
$855
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/175:00 am -
1 stop4h 29m
Mon 8/243:05 pm -
1 stop3h 39m
Deal found 7/30![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/285:00 am -
1 stop4h 29m
Fri 9/49:59 am -
1 stop3h 20m
Deal found 7/31![American Airlines logo]()
$429
One-way flights from Houston to KilleenSearch for one-way flight options from Houston to Killeen. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Houston to Killeen. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 9/56:00 am -
1 stop6h 07m
Deal found 8/4![American Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/154:18 pm -
1 stop4h 45m
Deal found 8/2![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/1512:00 pm -
1 stop3h 34m
Deal found 8/2![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/206:04 am -
1 stop6h 13m
Deal found 7/30![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/209:00 am -
1 stop3h 17m
Deal found 7/30![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 9/1411:31 am -
1 stop4h 03m
Deal found 8/2![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 9/146:00 am -
1 stop6h 17m
Deal found 8/2![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 9/192:08 pm -
1 stop4h 38m
Deal found 8/2![American Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
3 stops27h 55m
Deal found 8/2![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am -
3 stops36h 22m
Deal found 8/4![Multiple Airlines logo]()
$1,312
Find flight deals from Houston to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Killeen (GRK). 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 August 4, 2026.
Round-trip from | $429 (American Airlines) |
|---|---|
One-way from | $405 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Killeen 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 August 4, 2026.
Use the filters below to find and compare flights from Houston to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Sun 8/30
10:26 am-2:35 pm
1 stop4h 09m
Killeen Fort Hood Regional
Sun 9/6
9:59 am-3:31 pm
1 stop5h 32m
$429
Quickest round-trip
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Fri 8/28
5:00 am-9:29 am
1 stop4h 29m
Killeen Fort Hood Regional
Fri 9/4
9:59 am-1:19 pm
1 stop3h 20m
$429
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Mon 8/17
5:00 am-9:29 am
1 stop4h 29m
Killeen Fort Hood Regional
Mon 8/24
3:05 pm-6:44 pm
1 stop3h 39m
$449
Cheapest one-way
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Sat 9/5
6:00 am-12:07 pm
1 stop6h 07m
$227
HoustonKilleen
HOU - GRK
HOUGRK
Houston Hobby
Tue 9/15
4:18 pm-9:03 pm
1 stop4h 45m
$405
Quickest one-way
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Wed 9/16
9:00 am-12:17 pm
1 stop3h 17m
$405
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Tue 9/15
12:00 pm-3:34 pm
1 stop3h 34m
$405
HoustonKilleen
HOU - GRK
HOUGRK
Houston Hobby
Sun 9/20
6:04 am-12:17 pm
1 stop6h 13m
$428
HoustonKilleen
IAH - GRK
IAHGRK
Houston George Bush Intcntl
Sun 9/20
9:00 am-12:17 pm
1 stop3h 17m
$428
HoustonKilleen
HOU - GRK
HOUGRK
Houston Hobby
Thu 9/17
4:18 pm-9:03 pm
1 stop4h 45m
$430
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Houston to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Houston with our price prediction graph.
HO1-GRK
IAH-GRK
HOU-GRK
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 Houston to Killeen
HO1-GRK
IAH-GRK
HOU-GRK
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Houston to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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