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Killeen

$327+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap 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 March 23, 2026.

This American Airlines deal was found by Cheapflights users on 3/22. 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 4/295:41 am
COS
-
GRK
1 stop5h 57m
American Airlines
Mon 5/47:09 pm
GRK
-
COS
1 stop5h 23m
American Airlines
Deal found 3/22$327
This American Airlines deal was found by Cheapflights users on 3/22. 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 4/510:25 am
DEN
-
GRK
1 stop6h 38m
American Airlines
Wed 4/81:08 pm
GRK
-
DEN
1 stop4h 10m
American Airlines
Deal found 3/22$589
This American Airlines deal was found by Cheapflights users on 3/23. 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 11/2512:45 pm
COS
-
GRK
1 stop4h 33m
American Airlines
Wed 12/26:39 pm
GRK
-
COS
1 stop6h 09m
American Airlines
Deal found 3/23$594
This American Airlines deal was found by Cheapflights users on 3/22. 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 4/46:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Wed 4/810:05 am
GRK
-
DEN
1 stop7h 13m
American Airlines
Deal found 3/22$598
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/34:48 pm
COS
-
GRK
1 stop4h 15m
American Airlines
Mon 4/66:33 pm
GRK
-
COS
1 stop6h 26m
American Airlines
Deal found 3/18$598
This American Airlines deal was found by Cheapflights users on 3/18. 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 5/223:45 pm
COS
-
GRK
1 stop6h 53m
American Airlines
Mon 5/257:21 pm
GRK
-
COS
1 stop4h 04m
American Airlines
Deal found 3/18$615
This American Airlines deal was found by Cheapflights users on 3/22. 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 5/85:30 am
DEN
-
GRK
1 stop4h 51m
American Airlines
Sun 5/107:13 pm
GRK
-
DEN
1 stop5h 32m
American Airlines
Deal found 3/22$656
This American Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 6/53:45 pm
COS
-
GRK
1 stop5h 59m
American Airlines
Sat 6/63:07 pm
GRK
-
COS
1 stop4h 28m
American Airlines
Deal found 3/19$661
This American Airlines deal was found by Cheapflights users on 3/21. 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 3/214:50 pm
COS
-
GRK
1 stop4h 13m
American Airlines
Sun 3/296:33 pm
GRK
-
COS
1 stop6h 26m
American Airlines
Deal found 3/21$811
This American Airlines deal was found by Cheapflights users on 3/19. 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 4/212:41 pm
DEN
-
GRK
1 stop6h 11m
American Airlines
Fri 4/247:09 pm
GRK
-
DEN
1 stop14h 17m
American Airlines
Deal found 3/19$874
This American Airlines deal was found by Cheapflights users on 3/19. 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.
Sun 3/226:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Tue 3/2410:15 am
GRK
-
DEN
1 stop6h 39m
American Airlines
Deal found 3/19$932
This American Airlines deal was found by Cheapflights users on 3/20. 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 3/224:48 pm
COS
-
GRK
1 stop4h 15m
American Airlines
Tue 3/2412:01 pm
GRK
-
COS
1 stop4h 59m
American Airlines
Deal found 3/20$932

Find flight deals from Colorado to Killeen

Keep the following information in mind while searching for Colorado to Killeen flight deals. Data was last updated March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(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 March 23, 2026.
Use the filters below to find and compare flights from Colorado to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Wed 4/29

5:41 am-12:38 pm

1 stop5h 57m

Killeen Fort Hood Regional

Mon 5/4

7:09 pm-11:32 pm

1 stop5h 23m

$327

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 4/5

10:25 am-3:29 pm

1 stop4h 04m

Killeen Fort Hood Regional

Mon 4/6

11:56 am-5:53 pm

1 stop6h 57m

$589

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 4/6

8:00 am-3:29 pm

1 stop6h 29m

Killeen Fort Hood Regional

Wed 4/8

1:08 pm-5:39 pm

1 stop5h 31m

$589
Quickest round-trip

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 4/5

10:25 am-3:29 pm

1 stop4h 04m

Killeen Fort Hood Regional

Tue 4/7

5:00 am-8:26 am

1 stop4h 26m

$589

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 4/5

10:25 am-6:03 pm

1 stop6h 38m

Killeen Fort Hood Regional

Wed 4/8

1:08 pm-4:18 pm

1 stop4h 10m

$589

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sat 4/4

4:44 pm-10:03 pm

1 stop4h 19m

Killeen Fort Hood Regional

Tue 4/7

5:00 am-8:26 am

1 stop4h 26m

$598

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Fri 4/3

4:48 pm-10:03 pm

1 stop4h 15m

Killeen Fort Hood Regional

Mon 4/6

6:33 pm-11:59 pm

1 stop6h 26m

$598

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Fri 5/22

3:45 pm-11:38 pm

1 stop6h 53m

Killeen Fort Hood Regional

Mon 5/25

7:21 pm-10:25 pm

1 stop4h 04m

$615

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Tue 4/21

2:41 pm-9:52 pm

1 stop6h 11m

Killeen Fort Hood Regional

Fri 4/24

7:09 pm-8:26 am

1 stop14h 17m

$874

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 4/2

6:00 am-11:26 am

1 stop4h 26m

Killeen Fort Hood Regional

Fri 4/3

6:33 pm-8:20 am

1 stop14h 47m

$974

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 $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 5h 57m. American Airlines provides one of the quickest options available for as low as $327. 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 $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
Temple
Copperas Cove

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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$560FlexibilityNo cancel feeOn-time71%

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