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Killeen

$372+ Cheap flights from Colorado to Killeen (GRK)

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from Colorado to Killeen

Cheapest flights from Colorado to Killeen
Explore the most affordable flight options available from Colorado to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This American Airlines deal was found by Cheapflights users on 11/18. 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 12/185:00 amDEN - GRK
1 stop5h 27mAmerican Airlines
Thu 12/256:00 amGRK - DEN
1 stop4h 40mAmerican Airlines
Deal found 11/18$372
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/1710:37 amCOS - GRK
1 stop4h 00mAmerican Airlines
Wed 12/2410:21 amGRK - COS
1 stop6h 33mAmerican Airlines
Deal found 11/18$382
This American Airlines deal was found by Cheapflights users on 11/19. 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 11/226:44 pmDEN - GRK
1 stop3h 59mAmerican Airlines
Mon 11/2411:52 amGRK - DEN
1 stop7h 00mAmerican Airlines
Deal found 11/19$546
This American Airlines deal was found by Cheapflights users on 11/19. 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 11/224:37 pmCOS - GRK
1 stop6h 06mAmerican Airlines
Mon 11/246:05 amGRK - COS
1 stop4h 49mAmerican Airlines
Deal found 11/19$546
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/1912:32 pmDEN - GRK
1 stop7h 01mAmerican Airlines
Sun 1/46:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Deal found 11/18$554
This American Airlines deal was found by Cheapflights users on 11/17. 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 11/216:00 amDEN - GRK
1 stop4h 20mAmerican Airlines
Mon 11/2411:52 amGRK - DEN
1 stop4h 54mAmerican Airlines
Deal found 11/17$555
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/234:46 pmCOS - GRK
1 stop4h 43mAmerican Airlines
Sun 1/46:32 pmGRK - COS
1 stop6h 15mAmerican Airlines
Deal found 11/19$588
This American Airlines deal was found by Cheapflights users on 11/18. 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 11/204:36 pmDEN - GRK
1 stop6h 07mAmerican Airlines
Fri 11/2110:34 amGRK - DEN
1 stop4h 24mAmerican Airlines
Deal found 11/18$651

Cheap flight deals from Colorado to Killeen

Keep the following information in mind while searching for Colorado to Killeen flight deals. Data was last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$372
(American Airlines)
Provider with most accurate pricing for Denver Intl-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Killeen Fort Hood Regional flights.
Search Deals
From Colorado to Killeen Fort Hood Regional
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 November 20, 2025.
Use the filters below to find and compare flights from Colorado to Killeen that are best for you.

Fly from

Colorado

Fly to

Killeen

Route

Depart

Return

Price

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 12/18

5:00 am-11:27 am

1 stop5h 27m

Killeen Fort Hood Regional

Thu 12/25

6:00 am-9:40 am

1 stop4h 40m

$372

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sat 2/14

2:52 pm-10:24 pm

1 stop6h 32m

Killeen Fort Hood Regional

Wed 2/18

6:40 pm-10:38 pm

1 stop4h 58m

$377

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Sat 1/24

3:05 pm-10:43 pm

1 stop6h 38m

Killeen Fort Hood Regional

Tue 1/27

7:00 am-9:51 am

1 stop3h 51m

$377

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Wed 12/17

10:37 am-3:37 pm

1 stop4h 00m

Killeen Fort Hood Regional

Wed 12/24

10:21 am-3:54 pm

1 stop6h 33m

$382

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Fri 12/19

12:32 pm-8:33 pm

1 stop7h 01m

Killeen Fort Hood Regional

Sun 1/4

6:32 pm-11:56 pm

1 stop6h 24m

$554

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Tue 12/23

4:46 pm-10:29 pm

1 stop4h 43m

Killeen Fort Hood Regional

Sun 1/4

6:32 pm-11:47 pm

1 stop6h 15m

$588

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Wed 3/25

2:51 pm-7:42 pm

1 stop3h 51m

Killeen Fort Hood Regional

Thu 3/26

5:24 am-8:14 am

1 stop3h 50m

$872

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 12/4

12:18 pm-6:09 pm

1 stop4h 51m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Best time to book a flight from Colorado to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Colorado 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 Colorado to Killeen

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Killeen (average of $59). Flying from Colorado to Killeen in June is currently the most expensive (average of $128). 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.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Killeen. 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 into for flights to Killeen from Colorado?

    Killeen Fort Hood Regional (GRK) is the airport you will fly into if you book a flight from Colorado to Killeen. It is only a 6.9 mi journey from Fort Hood Regional (GRK) to Killeen’s city center.

  • How long is the flight from Colorado to Killeen?

    A quick flight from Colorado to Killeen can take about 5h 27m. American Airlines provides one of the quickest options available for as low as $372. There are 718 mi between Colorado and Killeen.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Killeen 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 Colorado to Killeen?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Killeen (average of $59). Flying from Colorado to Killeen in June is currently the most expensive (average of $128). 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

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Copperas Cove
Temple

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Alternative routes for Colorado to Killeen

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Top airline flying from Colorado to Killeen

Discover the top airline that operate flights from Colorado to Killeen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$427FlexibilityNo cancel feeOn-time71%

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