$257+ Cheap flights from Killeen (GRK) to George Bush Intcntl (IAH)
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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — IAH
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to George Bush Intcntl 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 Killeen to George Bush Intcntl
Cheapest
Best
Last-minute
Cheapest flights from Killeen to George Bush IntcntlExplore the most affordable flight options available from Killeen to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Killeen to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/73:07 pm -
1 stop5h 27m
Wed 11/116:00 am -
1 stop3h 27m
Deal found 9/12![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/127:02 pm -
1 stop3h 55m
Fri 10/165:00 am -
1 stop4h 23m
Deal found 9/10![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/185:00 am -
1 stop3h 28m
Sun 9/209:00 am -
1 stop5h 34m
Deal found 9/13![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/144:09 pm -
1 stop6h 21m
Wed 9/1610:18 am -
1 stop5h 16m
Deal found 9/10![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/1612:47 pm -
1 stop5h 38m
Thu 9/177:00 am -
1 stop5h 17m
Deal found 9/10![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/164:09 pm -
1 stop4h 24m
Fri 9/186:00 am -
1 stop6h 17m
Deal found 9/13![American Airlines logo]()
$850
Best flights from Killeen to George Bush IntcntlDiscover carefully curated flight deals from Killeen to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Killeen to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/73:07 pm -
1 stop5h 27m
Wed 11/116:00 am -
1 stop3h 27m
Deal found 9/12![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/305:00 am -
1 stop6h 15m
Mon 11/25:00 am -
1 stop4h 27m
Deal found 9/14![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/14. 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 2/145:00 am -
1 stop3h 21m
Sat 2/202:08 pm -
1 stop4h 04m
Deal found 9/14![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/127:02 pm -
1 stop3h 55m
Fri 10/165:00 am -
1 stop4h 23m
Deal found 9/10![American Airlines logo]()
$545
Last-minute flights from Killeen to George Bush IntcntlDiscover last-minute flight deals from Killeen to George Bush Intcntl. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to George Bush Intcntl. Data last updated September 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/144:09 pm -
1 stop6h 21m
Wed 9/1610:18 am -
1 stop5h 16m
Deal found 9/10![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/1612:47 pm -
1 stop5h 38m
Thu 9/177:00 am -
1 stop5h 17m
Deal found 9/10![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/164:09 pm -
1 stop4h 24m
Fri 9/186:00 am -
1 stop6h 17m
Deal found 9/13![American Airlines logo]()
$850
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/185:00 am -
1 stop3h 28m
Sun 9/209:00 am -
1 stop5h 34m
Deal found 9/13![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/127:02 pm -
1 stop3h 55m
Fri 10/165:00 am -
1 stop4h 23m
Deal found 9/10![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/305:00 am -
1 stop6h 15m
Mon 11/25:00 am -
1 stop4h 27m
Deal found 9/14![American Airlines logo]()
$257
Find flight deals from Killeen to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to George Bush Intcntl (IAH). 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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to George Bush Intcntl 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 7,457,451 searches. Data last updated September 14, 2026.
Use the filters below to find and compare flights from Killeen to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenHouston
GRK Killeen Fort Hood Regional - IAH Houston George Bush Intcntl
GRKIAH
Killeen Fort Hood Regional
Sat 11/7
3:07 pm-8:34 pm
1 stop5h 27m
Houston George Bush Intcntl
Wed 11/11
6:00 am-9:27 am
1 stop3h 27m
$257
KilleenHouston
GRK Killeen Fort Hood Regional - IAH Houston George Bush Intcntl
GRKIAH
Killeen Fort Hood Regional
Fri 10/30
5:00 am-11:15 am
1 stop6h 15m
Houston George Bush Intcntl
Mon 11/2
5:00 am-9:27 am
1 stop4h 27m
$257
Quickest round-trip
KilleenHouston
GRK Killeen Fort Hood Regional - IAH Houston George Bush Intcntl
GRKIAH
Killeen Fort Hood Regional
Sun 2/14
5:00 am-8:21 am
1 stop3h 21m
Houston George Bush Intcntl
Sat 2/20
2:08 pm-6:12 pm
1 stop4h 04m
$426
KilleenHouston
GRK Killeen Fort Hood Regional - IAH Houston George Bush Intcntl
GRKIAH
Killeen Fort Hood Regional
Mon 10/12
7:02 pm-10:57 pm
1 stop3h 55m
Houston George Bush Intcntl
Fri 10/16
5:00 am-9:23 am
1 stop4h 23m
$545
Sorted by cheapest first
Compare providers for flights from Killeen to George Bush Intcntl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to George Bush Intcntl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Killeen-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Killeen-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Killeen-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Killeen to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Killeen with our price prediction graph.
GRK-IAH
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.
Related info for your journey
Find useful and relevant information for your journey from Killeen to George Bush Intcntl. 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 Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsKaty
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Tomball
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Montgomery
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