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Killeen

$189+ Cheap flights from Colorado 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$337
(American Airlines)

One-way from

$189
(American Airlines)
From Colorado to Killeen Fort Hood Regional
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One-way flight from Colorado to Killeen Fort Hood Regional
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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 September 15, 2025.

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.
Thu 10/25:03 pmCOS - GRK
1 stop5h 24mAmerican Airlines
Mon 10/612:34 pmGRK - COS
1 stop4h 28mAmerican Airlines
Deal found 9/13$337
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 11/285:45 amCOS - GRK
1 stop4h 35mAmerican Airlines
Mon 12/16:50 pmGRK - COS
1 stop5h 58mAmerican Airlines
Deal found 9/14$564
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 11/286:00 amDEN - GRK
1 stop4h 20mAmerican Airlines
Mon 12/16:50 pmGRK - DEN
1 stop4h 14mAmerican Airlines
Deal found 9/14$625
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.
Tue 11/256:44 pmDEN - GRK
1 stop3h 59mAmerican Airlines
Sat 11/295:05 amGRK - DEN
1 stop5h 29mAmerican Airlines
Deal found 9/13$662
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/285:44 amDEN - GRK
1 stop4h 24mAmerican Airlines
Mon 9/294:40 pmGRK - DEN
1 stop6h 29mAmerican Airlines
Deal found 9/15$901

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 September 15, 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

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Thu 10/2

5:03 pm-11:27 pm

1 stop5h 24m

Killeen Fort Hood Regional

Mon 10/6

12:34 pm-4:02 pm

1 stop4h 28m

$337

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Sat 2/21

5:06 pm-11:24 pm

1 stop5h 18m

Killeen Fort Hood Regional

Wed 2/25

6:44 pm-11:31 pm

1 stop5h 47m

$377

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Fri 11/28

5:45 am-11:20 am

1 stop4h 35m

Killeen Fort Hood Regional

Mon 12/1

6:50 pm-11:48 pm

1 stop5h 58m

$564

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Fri 11/28

6:00 am-11:20 am

1 stop4h 20m

Killeen Fort Hood Regional

Mon 12/1

6:50 pm-10:04 pm

1 stop4h 14m

$625

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Tue 11/25

6:44 pm-11:43 pm

1 stop3h 59m

Killeen Fort Hood Regional

Sat 11/29

5:05 am-9:34 am

1 stop5h 29m

$662

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 9/28

5:44 am-11:08 am

1 stop4h 24m

Killeen Fort Hood Regional

Mon 9/29

4:40 pm-10:09 pm

1 stop6h 29m

$901

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 2/1

9:15 am-3:49 pm

1 stop5h 34m

$189

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Tue 2/3

6:06 am-10:59 am

1 stop3h 53m

$189

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 2/5

5:01 pm-9:43 pm

1 stop3h 42m

$189

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Wed 2/4

2:46 pm-7:50 pm

1 stop4h 04m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 11 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, January is the cheapest month in which you can book a flight from Colorado to Killeen (average of $316). Flying from Colorado to Killeen in December is currently the most expensive (average of $468). 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 24m. American Airlines provides one of the quickest options available for as low as $337. There are 660 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, January is the cheapest month in which you can book a flight from Colorado to Killeen (average of $316). Flying from Colorado to Killeen in December is currently the most expensive (average of $468). 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
Temple
Copperas Cove

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$276Average$426FlexibilityNo cancel feeOn-time71%

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