$337+ Cheap flights from Killeen (GRK) to Colorado
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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
lug 16 — lug 231
Round-trip
1 adult, Economy
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Cheapest flights from Killeen to ColoradoExplore the most affordable flight options available from Killeen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on giugno 16, 2026.
Explore the most affordable flight options available from Killeen to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on giugno 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
ven 7/33:06 pm
GRK
- DEN
1 stop5h 35m
American Airlines
mar 7/286:20 am
DEN
- GRK
1 stop5h 03m
American Airlines
Deal found 6/11![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sab 10/312:47 pm
GRK
- COS
1 stop4h 42m
American Airlines
gio 10/83:51 pm
COS
- GRK
1 stop4h 18m
American Airlines
Deal found 6/12![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/56:30 am
GRK
- DEN
1 stop4h 12m
American Airlines
lun 7/134:23 pm
DEN
- GRK
1 stop5h 04m
American Airlines
Deal found 6/14![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
sab 7/117:22 am
DEN
- GRK
1 stop6h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/56:30 am
GRK
- DEN
1 stop4h 12m
American Airlines
mar 7/1412:39 pm
DEN
- GRK
1 stop5h 15m
American Airlines
Deal found 6/14![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
mar 7/146:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$521
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 9/512:37 pm
GRK
- DEN
1 stop6h 02m
American Airlines
lun 9/283:13 pm
DEN
- GRK
1 stop4h 50m
American Airlines
Deal found 6/14![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/55:00 am
GRK
- DEN
1 stop4h 08m
American Airlines
dom 7/126:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
gio 7/95:00 am
DEN
- GRK
1 stop6h 23m
American Airlines
Deal found 6/14![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/57:24 pm
GRK
- DEN
1 stop5h 26m
American Airlines
ven 7/106:56 pm
DEN
- GRK
2 stops13h 40m
American Airlines
Deal found 6/14![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mar 7/77:21 pm
GRK
- DEN
2 stops14h 07m
American Airlines
ven 7/105:57 pm
DEN
- GRK
2 stops14h 39m
American Airlines
Deal found 6/14![American Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sab 6/275:00 am
GRK
- MTJ
1 stop5h 44m
American Airlines
sab 6/272:22 pm
MTJ
- GRK
1 stop4h 00m
American Airlines
Deal found 6/12![American Airlines logo]()
$749
Best flights from Killeen to ColoradoDiscover carefully curated flight deals from Killeen to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated giugno 16, 2026.
Discover carefully curated flight deals from Killeen to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated giugno 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
ven 7/33:06 pm
GRK
- DEN
1 stop5h 35m
American Airlines
mar 7/286:20 am
DEN
- GRK
1 stop5h 03m
American Airlines
Deal found 6/12![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sab 10/312:47 pm
GRK
- COS
1 stop4h 42m
American Airlines
gio 10/83:51 pm
COS
- GRK
1 stop4h 18m
American Airlines
Deal found 6/12![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/55:00 am
GRK
- DEN
1 stop5h 42m
American Airlines
sab 7/117:22 am
DEN
- GRK
1 stop6h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/56:30 am
GRK
- DEN
1 stop4h 12m
American Airlines
lun 7/134:23 pm
DEN
- GRK
1 stop5h 04m
American Airlines
Deal found 6/14![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 6/14. 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.
lun 7/65:00 am
GRK
- DEN
1 stop4h 08m
American Airlines
dom 7/126:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sab 6/275:00 am
GRK
- MTJ
1 stop5h 44m
American Airlines
sab 6/272:22 pm
MTJ
- GRK
1 stop4h 00m
American Airlines
Deal found 6/12![American Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 6/14. 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.
ven 7/105:00 am
GRK
- DEN
1 stop4h 08m
American Airlines
ven 7/106:56 pm
DEN
- GRK
2 stops13h 40m
American Airlines
Deal found 6/14![American Airlines logo]()
$818
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mer 7/86:30 am
GRK
- DEN
1 stop4h 12m
American Airlines
gio 7/96:20 am
DEN
- GRK
1 stop5h 03m
American Airlines
Deal found 6/14![American Airlines logo]()
$952
Last-minute flights from Killeen to ColoradoDiscover last-minute flight deals from Killeen to Colorado. Data last updated giugno 16, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Colorado. Data last updated giugno 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sab 6/275:00 am
GRK
- MTJ
1 stop5h 44m
American Airlines
sab 6/272:22 pm
MTJ
- GRK
1 stop4h 00m
American Airlines
Deal found 6/12![American Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 6/11. 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.
ven 7/33:06 pm
GRK
- DEN
1 stop5h 35m
American Airlines
mar 7/286:20 am
DEN
- GRK
1 stop5h 03m
American Airlines
Deal found 6/11![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
sab 7/117:22 am
DEN
- GRK
1 stop6h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
mar 7/146:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$521
This American Airlines deal was found by Cheapflights users on 6/14. 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.
sab 7/46:30 am
GRK
- DEN
1 stop6h 18m
American Airlines
gio 7/95:00 am
DEN
- GRK
1 stop6h 23m
American Airlines
Deal found 6/14![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/55:00 am
GRK
- DEN
1 stop5h 42m
American Airlines
sab 7/117:22 am
DEN
- GRK
1 stop6h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/56:30 am
GRK
- DEN
1 stop4h 12m
American Airlines
mar 7/1412:39 pm
DEN
- GRK
1 stop5h 15m
American Airlines
Deal found 6/14![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/55:00 am
GRK
- DEN
1 stop4h 08m
American Airlines
dom 7/126:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 6/14. 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.
dom 7/57:24 pm
GRK
- DEN
1 stop5h 26m
American Airlines
ven 7/106:56 pm
DEN
- GRK
2 stops13h 40m
American Airlines
Deal found 6/14![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mar 7/77:21 pm
GRK
- DEN
2 stops14h 07m
American Airlines
ven 7/105:57 pm
DEN
- GRK
2 stops14h 39m
American Airlines
Deal found 6/14![American Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mar 7/77:21 pm
GRK
- DEN
2 stops14h 07m
American Airlines
gio 7/95:57 pm
DEN
- GRK
2 stops14h 39m
American Airlines
Deal found 6/14![American Airlines logo]()
$770
This American Airlines deal was found by Cheapflights users on 6/14. 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.
mar 7/77:21 pm
GRK
- DEN
2 stops14h 07m
American Airlines
mer 7/86:10 pm
DEN
- GRK
1 stop4h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$778
One-way flights from Killeen to ColoradoSearch for one-way flight options from Killeen to Colorado. Find affordable one-way fares based on user searches. Data last updated giugno 16, 2026.
Search for one-way flight options from Killeen to Colorado. Find affordable one-way fares based on user searches. Data last updated giugno 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun 7/135:00 am
GRK
- COS
1 stop5h 52m
American Airlines
Deal found 6/11![American Airlines logo]()
$511
Find flight deals from Killeen to Colorado
Keep the following information in mind while searching for Killeen to Colorado flight deals. Data was last updated giugno 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Colorado 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 giugno 16, 2026.
Use the filters below to find and compare flights from Killeen to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
ven 7/3
3:06 pm-7:41 pm
1 stop5h 35m
Denver Intl
mar 7/28
6:20 am-12:23 pm
1 stop5h 03m
$337
KilleenColorado Springs
GRK - COS
GRKCOS
Killeen Fort Hood Regional
sab 10/3
12:47 pm-4:29 pm
1 stop4h 42m
Colorado Springs
gio 10/8
3:51 pm-9:09 pm
1 stop4h 18m
$377
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
dom 7/5
5:00 am-9:42 am
1 stop5h 42m
Denver Intl
sab 7/11
7:22 am-2:38 pm
1 stop6h 16m
$437
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
dom 7/5
6:30 am-9:42 am
1 stop4h 12m
Denver Intl
lun 7/13
4:23 pm-10:27 pm
1 stop5h 04m
$437
Quickest round-trip
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
lun 7/6
5:00 am-8:08 am
1 stop4h 08m
Denver Intl
dom 7/12
6:10 pm-11:39 pm
1 stop4h 29m
$536
KilleenMontrose
GRK - MTJ
GRKMTJ
Killeen Fort Hood Regional
sab 6/27
5:00 am-9:44 am
1 stop5h 44m
Montrose County
sab 6/27
2:22 pm-7:22 pm
1 stop4h 00m
$749
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
ven 7/10
5:00 am-8:08 am
1 stop4h 08m
Denver Intl
ven 7/10
6:56 pm-9:36 am
2 stops13h 40m
$818
KilleenDenver
GRK - DEN
GRKDEN
Killeen Fort Hood Regional
mer 7/8
6:30 am-9:42 am
1 stop4h 12m
Denver Intl
gio 7/9
6:20 am-12:23 pm
1 stop5h 03m
$952
Cheapest one-way
Quickest one-way
KilleenColorado Springs
GRK - COS
GRKCOS
Killeen Fort Hood Regional
lun 7/13
5:00 am-9:52 am
1 stop5h 52m
$511
Sorted by cheapest first
Best time to book a flight from Killeen to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Killeen with our price prediction graph.
GRK-COS
GRK-DEN
GRK-MTJ
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 Killeen to Colorado
GRK-USCO
GRK-COS
GRK-DEN
GRK-MTJ
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated giugno 16, 2026.
Peruse reviews from past customers who have flown with American Airlines from Killeen to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Boarding
7.5
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Boarding
7.5
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Related info for your journey
Find useful and relevant information for your journey from Killeen to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Killeen to Colorado
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Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
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Killeen and Colorado flights
Browse other Killeen and Colorado flight options. Last updated on giugno 16, 2026.
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Killeen to Colorado flights
Consider these flights traveling from Killeen to Colorado.
Top airline flying from Killeen to Colorado
Discover the top airline that operate flights from Killeen to Colorado. 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 giugno 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$386 | FlexibilityNo cancel fee | On-time71% |