$244+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Mar 20 — Mar 271
1 adult, Economy
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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
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Cheapest flights from Colorado to KilleenExplore 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 February 18, 2026.
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 February 18, 2026.
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 8/47:20 am
DEN
- GRK
1 stop6h 16m
American Airlines
Sat 8/1512:11 pm
GRK
- DEN
1 stop4h 42m
American Airlines
Deal found 2/17![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/16. 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 5/147:26 am
DEN
- GRK
1 stop6h 58m
American Airlines
Sun 5/177:09 pm
GRK
- DEN
1 stop5h 36m
American Airlines
Deal found 2/16![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sat 3/216:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Fri 3/206:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Fri 3/2011:56 am
GRK
- DEN
1 stop6h 54m
American Airlines
Deal found 2/14![American Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 2/15. 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.
Wed 7/15:00 am
DEN
- GRK
1 stop6h 24m
American Airlines
Fri 7/313:06 pm
GRK
- DEN
1 stop5h 38m
American Airlines
Deal found 2/15![American Airlines logo]()
$672
Best flights from Colorado to KilleenDiscover carefully curated flight deals from Colorado to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Colorado to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 8/47:20 am
DEN
- GRK
1 stop6h 16m
American Airlines
Sat 8/1512:11 pm
GRK
- DEN
1 stop4h 42m
American Airlines
Deal found 2/14![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/16. 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 5/287:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 2/16![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/16. 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 5/147:26 am
DEN
- GRK
1 stop6h 58m
American Airlines
Sun 5/177:09 pm
GRK
- DEN
1 stop5h 36m
American Airlines
Deal found 2/16![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sat 3/216:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Sat 3/2111:56 am
GRK
- DEN
1 stop4h 58m
American Airlines
Deal found 2/14![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Fri 3/206:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Fri 3/2011:56 am
GRK
- DEN
1 stop6h 54m
American Airlines
Deal found 2/14![American Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Sat 3/216:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$655
Last-minute flights from Colorado to KilleenDiscover last-minute flight deals from Colorado to Killeen. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Killeen. Data last updated February 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Fri 3/2011:56 am
GRK
- DEN
1 stop6h 54m
American Airlines
Deal found 2/14![American Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/1312:33 pm
DEN
- GRK
1 stop4h 30m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Fri 3/206:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 3/145:00 am
DEN
- GRK
1 stop5h 26m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sat 3/216:33 pm
GRK
- DEN
1 stop6h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 2/14. 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 3/152:48 pm
DEN
- GRK
1 stop6h 15m
American Airlines
Sun 3/223:59 pm
GRK
- DEN
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$621
One-way flights from Colorado to KilleenSearch for one-way flight options from Colorado to Killeen. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Colorado to Killeen. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 8/115:00 am
DEN
- GRK
1 stop5h 40m
American Airlines
Deal found 2/14![American Airlines logo]()
$244
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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (American Airlines) |
One-way from | $244 (American Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $1,082 |
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 February 18, 2026.
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
Tue 8/4
7:20 am-2:36 pm
1 stop6h 16m
Killeen Fort Hood Regional
Sat 8/15
12:11 pm-3:53 pm
1 stop4h 42m
$307
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Thu 5/28
7:13 am-2:37 pm
1 stop6h 24m
Killeen Fort Hood Regional
Sat 5/30
7:52 pm-11:55 pm
1 stop5h 03m
$307
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Thu 5/14
7:26 am-3:24 pm
1 stop6h 58m
Killeen Fort Hood Regional
Sun 5/17
7:09 pm-11:45 pm
1 stop5h 36m
$457
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sun 3/15
2:48 pm-10:03 pm
1 stop6h 15m
Killeen Fort Hood Regional
Sat 3/21
6:33 pm-11:54 pm
1 stop6h 21m
$509
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sat 3/14
5:00 am-11:26 am
1 stop5h 26m
Killeen Fort Hood Regional
Sat 3/21
11:56 am-3:54 pm
1 stop4h 58m
$512
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sat 3/14
5:00 am-11:26 am
1 stop5h 26m
Killeen Fort Hood Regional
Fri 3/20
6:33 pm-11:54 pm
1 stop6h 21m
$512
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Fri 3/13
12:33 pm-6:03 pm
1 stop4h 30m
Killeen Fort Hood Regional
Fri 3/20
11:56 am-5:50 pm
1 stop6h 54m
$543
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Fri 3/13
12:33 pm-6:03 pm
1 stop4h 30m
Killeen Fort Hood Regional
Sat 3/21
6:33 pm-11:54 pm
1 stop6h 21m
$543
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sun 3/15
2:48 pm-10:03 pm
1 stop6h 15m
Killeen Fort Hood Regional
Sun 3/22
3:59 pm-7:59 pm
1 stop5h 00m
$621
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sat 3/14
5:00 am-11:26 am
1 stop5h 26m
Killeen Fort Hood Regional
Sun 3/22
3:59 pm-7:59 pm
1 stop5h 00m
$624
Showing 1-10 of 12 results
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.
DEN-GRK
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
USCO-GRK
DEN-GRK
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.
Traveling to a place near Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
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Colorado and Killeen flights
Browse other Colorado and Killeen flight options. Last updated on February 18, 2026.
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Consider these flights traveling from Colorado to Killeen.
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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$560 | FlexibilityNo cancel fee | On-time71% |