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Killeen

$317+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/6. 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 12/54:42 pmDEN - GRK
1 stop4h 36mAmerican Airlines
Fri 12/124:10 pmGRK - DEN
1 stop5h 07mAmerican Airlines
Deal found 11/6$317
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/206:44 pmDEN - GRK
1 stop3h 59mAmerican Airlines
Thu 11/2710:34 amGRK - DEN
1 stop4h 37mAmerican Airlines
Deal found 11/5$347
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/248:21 amDEN - GRK
1 stop6h 35mAmerican Airlines
Sun 12/286:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Deal found 11/5$507
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/235:00 amDEN - GRK
1 stop5h 27mAmerican Airlines
Sun 12/286:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Deal found 11/5$541
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/810:28 amCOS - GRK
1 stop4h 12mAmerican Airlines
Mon 11/106:05 amGRK - COS
1 stop4h 48mAmerican Airlines
Deal found 11/5$546
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/248:21 amDEN - GRK
1 stop6h 35mAmerican Airlines
Sat 12/276:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Deal found 11/5$557
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/235:00 amDEN - GRK
1 stop5h 27mAmerican Airlines
Sat 12/276:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Deal found 11/5$591
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/3012:38 pmCOS - GRK
1 stop6h 55mAmerican Airlines
Sun 1/46:32 pmGRK - COS
1 stop6h 15mAmerican Airlines
Deal found 11/4$709
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/226:00 amCOS - GRK
1 stop4h 27mAmerican Airlines
Wed 12/246:00 amGRK - COS
1 stop28h 46mAmerican Airlines
Deal found 11/5$859

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(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 6, 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

Fri 12/5

4:42 pm-10:18 pm

1 stop4h 36m

Killeen Fort Hood Regional

Fri 12/12

4:10 pm-8:17 pm

1 stop5h 07m

$317

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 11/20

6:44 pm-11:43 pm

1 stop3h 59m

Killeen Fort Hood Regional

Thu 11/27

10:34 am-2:11 pm

1 stop4h 37m

$347

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sat 2/14

4:52 pm-10:24 pm

1 stop4h 32m

Killeen Fort Hood Regional

Wed 2/18

10:14 am-4:01 pm

1 stop6h 47m

$377

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 2/12

8:09 am-3:25 pm

1 stop6h 16m

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 2/21

1:43 pm-8:13 pm

1 stop5h 30m

Killeen Fort Hood Regional

Wed 2/25

10:14 am-3:56 pm

1 stop6h 42m

$377

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 2/12

8:09 am-3:25 pm

1 stop6h 16m

Killeen Fort Hood Regional

Tue 2/17

12:01 pm-4:01 pm

1 stop5h 00m

$442

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sat 2/14

2:52 pm-8:13 pm

1 stop4h 21m

Killeen Fort Hood Regional

Tue 2/17

10:14 am-4:01 pm

1 stop6h 47m

$442

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Fri 2/13

9:17 am-3:25 pm

1 stop5h 08m

Killeen Fort Hood Regional

Wed 2/18

6:40 pm-10:38 pm

1 stop4h 58m

$489

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Wed 12/24

8:21 am-3:56 pm

1 stop6h 35m

Killeen Fort Hood Regional

Sun 12/28

6:32 pm-11:56 pm

1 stop6h 24m

$507

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Tue 12/23

5:00 am-11:27 am

1 stop5h 27m

Killeen Fort Hood Regional

Sun 12/28

6:32 pm-11:56 pm

1 stop6h 24m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 15 results
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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 $58). 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 4h 36m. American Airlines provides one of the quickest options available for as low as $317. 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 $58). 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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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 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$427FlexibilityNo cancel feeOn-time71%

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