$493+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Oct 29 — Nov 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Colorado to Killeen with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Killeen
Cheapest
Best
Last-minute
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 September 29, 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 September 29, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/28:00 am -
1 stop5h 43m
Wed 12/93:17 pm -
1 stop4h 17m
Deal found 9/28![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/15:15 pm -
1 stop5h 31m
Sat 12/125:00 am -
1 stop5h 49m
Deal found 9/28![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 9/26. 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 9/277:26 am -
1 stop3h 51m
Sat 10/35:00 am -
1 stop5h 55m
Deal found 9/26![American Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/64:54 pm -
1 stop5h 42m
Mon 10/1212:28 pm -
1 stop4h 36m
Deal found 9/24![American Airlines logo]()
$630
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/3012:56 pm -
1 stop4h 19m
Wed 12/96:43 pm -
1 stop5h 18m
Deal found 9/28![American Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 9/26. 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 9/3010:16 am -
1 stop4h 18m
Fri 10/25:00 am -
1 stop5h 41m
Deal found 9/26![American Airlines logo]()
$641
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/23:01 pm -
1 stop5h 02m
Mon 10/510:00 am -
1 stop5h 21m
Deal found 9/26![American Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/15:34 am -
1 stop5h 25m
Sun 12/66:43 pm -
1 stop5h 18m
Deal found 9/28![American Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/3012:56 pm -
1 stop4h 19m
Mon 12/75:00 am -
1 stop5h 49m
Deal found 9/28![American Airlines logo]()
$683
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/3012:56 pm -
1 stop4h 19m
Sun 12/66:43 pm -
1 stop5h 18m
Deal found 9/28![American Airlines logo]()
$724
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/11:54 pm -
2 stops27h 17m
Mon 12/712:26 pm -
2 stops25h 43m
Deal found 9/28![American Airlines logo]()
$893
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/298:00 am -
1 stop5h 44m
Tue 12/87:00 am -
1 stop6h 09m
Deal found 9/28![American Airlines logo]()
$902
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 September 29, 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 September 29, 2026.
This American Airlines deal was found by Cheapflights users on 9/26. 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 1/83:10 pm -
1 stop6h 37m
Sun 1/105:05 am -
1 stop4h 08m
Deal found 9/26![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/15:34 am -
1 stop5h 25m
Tue 12/87:00 am -
1 stop6h 09m
Deal found 9/28![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/58:00 am -
1 stop5h 43m
Sat 12/123:17 pm -
1 stop4h 17m
Deal found 9/28![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/15:15 pm -
1 stop5h 31m
Mon 12/77:00 am -
1 stop6h 09m
Deal found 9/28![American Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/35:17 pm -
1 stop5h 42m
Wed 12/97:00 am -
1 stop6h 09m
Deal found 9/28![American Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/312:59 pm -
1 stop4h 12m
Thu 12/106:43 pm -
1 stop5h 18m
Deal found 9/28![American Airlines logo]()
$683
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/11:54 pm -
2 stops23h 49m
Wed 12/96:43 pm -
2 stops19h 26m
Deal found 9/28![American Airlines logo]()
$893
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/117:28 am -
1 stop6h 16m
Thu 10/1510:00 am -
1 stop7h 04m
Deal found 9/26![American Airlines logo]()
$1,051
This American Airlines deal was found by Cheapflights users on 9/24. 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 12/239:02 am -
1 stop4h 16m
Sat 1/25:00 am -
1 stop4h 12m
Deal found 9/24![American Airlines logo]()
$1,073
Last-minute flights from Colorado to KilleenDiscover last-minute flight deals from Colorado to Killeen. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Killeen. Data last updated September 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/26. 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 9/3010:16 am -
1 stop4h 18m
Fri 10/25:00 am -
1 stop5h 41m
Deal found 9/26![American Airlines logo]()
$641
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/23:01 pm -
1 stop5h 02m
Mon 10/510:00 am -
1 stop5h 21m
Deal found 9/26![American Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/64:54 pm -
1 stop5h 42m
Mon 10/1212:28 pm -
1 stop4h 36m
Deal found 9/25![American Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/117:28 am -
1 stop6h 16m
Thu 10/1510:00 am -
1 stop7h 04m
Deal found 9/26![American Airlines logo]()
$1,051
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $493 (American Airlines) |
Popular in | March |
Cheapest in | June |
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 7,457,451 searches. Data last updated September 29, 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
Cheapest round-trip
DenverKilleen
DEN Denver Intl - GRK Killeen Fort Hood Regional
DENGRK
Denver Intl
Fri 1/8
3:10 pm-10:47 pm
1 stop6h 37m
Killeen Fort Hood Regional
Sun 1/10
5:05 am-8:13 am
1 stop4h 08m
$583
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Tue 12/1
5:34 am-11:59 am
1 stop5h 25m
Killeen Fort Hood Regional
Tue 12/8
7:00 am-12:09 pm
1 stop6h 09m
$593
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Sat 12/5
8:00 am-2:43 pm
1 stop5h 43m
Killeen Fort Hood Regional
Sat 12/12
3:17 pm-6:34 pm
1 stop4h 17m
$593
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Tue 12/1
5:15 pm-11:46 pm
1 stop5h 31m
Killeen Fort Hood Regional
Mon 12/7
7:00 am-12:09 pm
1 stop6h 09m
$638
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Thu 12/3
5:17 pm-11:59 pm
1 stop5h 42m
Killeen Fort Hood Regional
Wed 12/9
7:00 am-12:09 pm
1 stop6h 09m
$638
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Thu 12/3
12:59 pm-6:11 pm
1 stop4h 12m
Killeen Fort Hood Regional
Thu 12/10
6:43 pm-11:01 pm
1 stop5h 18m
$683
Colorado SpringsKilleen
COS Colorado Springs - GRK Killeen Fort Hood Regional
COSGRK
Colorado Springs
Tue 12/1
1:54 pm-2:43 pm
2 stops23h 49m
Killeen Fort Hood Regional
Wed 12/9
6:43 pm-1:09 pm
2 stops19h 26m
$893
DenverKilleen
DEN Denver Intl - GRK Killeen Fort Hood Regional
DENGRK
Denver Intl
Sun 10/11
7:28 am-2:44 pm
1 stop6h 16m
Killeen Fort Hood Regional
Thu 10/15
10:00 am-4:04 pm
1 stop7h 04m
$1,051
Quickest round-trip
DenverKilleen
DEN Denver Intl - GRK Killeen Fort Hood Regional
DENGRK
Denver Intl
Wed 12/23
9:02 am-2:18 pm
1 stop4h 16m
Killeen Fort Hood Regional
Sat 1/2
5:00 am-8:12 am
1 stop4h 12m
$1,073
Sorted by cheapest first
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
MTJ-GRK
COS-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
MTJ-GRK
COS-GRK
No data available for this route at this time. Please check back soon.
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Colorado to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Killeen by cabin class
Find flights from Colorado to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Killeen flights
Browse other Colorado and Killeen flight options. Last updated on September 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to Killeen flights
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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$336 | Average$831 | FlexibilityNo cancel fee | On-time71% |