$351+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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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
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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 May 6, 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 May 6, 2026.
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/205:14 pm
DEN
- GRK
1 stop5h 32m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 5/1![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/47:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sun 6/77:21 pm
GRK
- DEN
1 stop5h 34m
American Airlines
Deal found 5/4![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/233:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sat 5/303:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 5/2. 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 7/234:23 pm
DEN
- GRK
1 stop6h 16m
American Airlines
Thu 8/67:22 pm
GRK
- DEN
1 stop5h 23m
American Airlines
Deal found 5/2![American Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/55:41 am
COS
- GRK
1 stop4h 40m
American Airlines
Sat 5/91:08 pm
GRK
- COS
1 stop4h 15m
American Airlines
Deal found 5/1![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/224:25 pm
DEN
- GRK
1 stop6h 13m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 5/3![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 5/5. 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 11/254:37 pm
COS
- GRK
1 stop6h 06m
American Airlines
Wed 12/26:05 am
GRK
- COS
1 stop6h 43m
American Airlines
Deal found 5/5![American Airlines logo]()
$537
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/237:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sun 5/313:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/298:00 am
COS
- GRK
1 stop9h 51m
American Airlines
Tue 6/27:21 pm
GRK
- COS
1 stop4h 04m
American Airlines
Deal found 5/1![American Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/223:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sun 5/3112:54 pm
GRK
- DEN
1 stop5h 26m
American Airlines
Deal found 5/3![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/192:41 pm
DEN
- GRK
1 stop4h 13m
American Airlines
Sat 5/306:44 am
GRK
- DEN
2 stops7h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$856
This American Airlines deal was found by Cheapflights users on 5/2. 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 6/303:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Wed 7/16:44 am
GRK
- DEN
1 stop6h 05m
American Airlines
Deal found 5/2![American Airlines logo]()
$883
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 May 6, 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 May 6, 2026.
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/205:14 pm
DEN
- GRK
1 stop5h 32m
American Airlines
Sat 5/305:00 am
GRK
- DEN
1 stop4h 08m
American Airlines
Deal found 5/3![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/233:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sat 5/303:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 5/2. 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 7/234:23 pm
DEN
- GRK
1 stop6h 16m
American Airlines
Thu 8/67:22 pm
GRK
- DEN
1 stop5h 23m
American Airlines
Deal found 5/2![American Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/224:25 pm
DEN
- GRK
1 stop6h 13m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 5/3![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/237:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sun 5/313:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/298:00 am
COS
- GRK
1 stop9h 51m
American Airlines
Tue 6/27:21 pm
GRK
- COS
1 stop4h 04m
American Airlines
Deal found 5/1![American Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/223:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sun 5/3112:54 pm
GRK
- DEN
1 stop5h 26m
American Airlines
Deal found 5/3![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/192:41 pm
DEN
- GRK
1 stop4h 13m
American Airlines
Sat 5/306:44 am
GRK
- DEN
2 stops7h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$856
This American Airlines deal was found by Cheapflights users on 5/4. 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 7/53:45 pm
COS
- GRK
1 stop5h 42m
American Airlines
Wed 7/812:54 pm
GRK
- COS
1 stop4h 49m
American Airlines
Deal found 5/4![American Airlines logo]()
$987
This American Airlines deal was found by Cheapflights users on 5/2. 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 6/307:13 am
DEN
- GRK
1 stop4h 11m
American Airlines
Wed 7/15:00 am
GRK
- DEN
2 stops7h 29m
American Airlines
Deal found 5/2![American Airlines logo]()
$1,259
Last-minute flights from Colorado to KilleenDiscover last-minute flight deals from Colorado to Killeen. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Killeen. Data last updated May 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/55:41 am
COS
- GRK
1 stop4h 40m
American Airlines
Sat 5/91:08 pm
GRK
- COS
1 stop4h 15m
American Airlines
Deal found 5/1![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/192:41 pm
DEN
- GRK
1 stop4h 13m
American Airlines
Sat 5/306:44 am
GRK
- DEN
2 stops7h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$856
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/205:14 pm
DEN
- GRK
1 stop5h 32m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 5/1![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/224:25 pm
DEN
- GRK
1 stop6h 13m
American Airlines
Sat 5/307:52 pm
GRK
- DEN
1 stop5h 03m
American Airlines
Deal found 5/3![American Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/223:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sun 5/3112:54 pm
GRK
- DEN
1 stop5h 26m
American Airlines
Deal found 5/3![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/233:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Sat 5/303:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/237:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sun 5/313:07 pm
GRK
- DEN
1 stop5h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/298:00 am
COS
- GRK
1 stop9h 51m
American Airlines
Tue 6/27:21 pm
GRK
- COS
1 stop4h 04m
American Airlines
Deal found 5/1![American Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/47:13 am
DEN
- GRK
1 stop6h 24m
American Airlines
Sun 6/77:21 pm
GRK
- DEN
1 stop5h 34m
American Airlines
Deal found 5/4![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 5/2. 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 6/303:11 pm
DEN
- GRK
1 stop6h 33m
American Airlines
Wed 7/16:44 am
GRK
- DEN
1 stop6h 05m
American Airlines
Deal found 5/2![American Airlines logo]()
$883
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 May 6, 2026.
Search for one-way flight options from Colorado to Killeen. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/266:55 am
DEN
- GRK
2 stops25h 39m
American Airlines
Deal found 5/3![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/256:55 am
DEN
- GRK
2 stops25h 39m
American Airlines
Deal found 5/3![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/298:00 am
COS
- GRK
1 stop14h 38m
American Airlines
Deal found 5/1![American Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 5/3. 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 8/117:20 am
DEN
- GRK
1 stop3h 47m
American Airlines
Deal found 5/3![American Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:19 pm
DEN
- GRK
2 stops23h 18m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/206:30 pm
DEN
- GRK
1 stop4h 16m
American Airlines
Deal found 5/3![American Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/191:39 pm
COS
- GRK
1 stop5h 15m
American Airlines
Deal found 5/1![American Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/242:21 pm
DEN
- GRK
2 stops18h 13m
American Airlines
Deal found 5/3![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/218:07 am
DEN
- GRK
2 stops24h 27m
American Airlines
Deal found 5/3![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/3012:10 pm
COS
- GRK
2 stops10h 28m
American Airlines
Deal found 5/4![American Airlines logo]()
$698
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (American Airlines) |
One-way from | $351 (American Airlines) |
Popular in | March |
Cheapest in | July |
Average price | $470 |
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 May 6, 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
Quickest round-trip
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Wed 5/20
5:14 pm-11:46 pm
1 stop5h 32m
Killeen Fort Hood Regional
Sat 5/30
5:00 am-8:08 am
1 stop4h 08m
$367
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sat 5/23
3:11 pm-10:44 pm
1 stop6h 33m
Killeen Fort Hood Regional
Sat 5/30
3:07 pm-7:36 pm
1 stop5h 29m
$457
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Thu 7/23
4:23 pm-11:39 pm
1 stop6h 16m
Killeen Fort Hood Regional
Thu 8/6
7:22 pm-11:45 pm
1 stop5h 23m
$526
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Fri 5/22
4:25 pm-11:38 pm
1 stop6h 13m
Killeen Fort Hood Regional
Sat 5/30
7:52 pm-11:55 pm
1 stop5h 03m
$536
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Sat 5/23
7:13 am-2:37 pm
1 stop6h 24m
Killeen Fort Hood Regional
Sun 5/31
3:07 pm-7:36 pm
1 stop5h 29m
$556
Colorado SpringsKilleen
COS - GRK
COSGRK
Colorado Springs
Fri 5/29
8:00 am-6:51 pm
1 stop9h 51m
Killeen Fort Hood Regional
Tue 6/2
7:21 pm-10:25 pm
1 stop4h 04m
$574
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Fri 5/22
3:11 pm-10:44 pm
1 stop6h 33m
Killeen Fort Hood Regional
Sun 5/31
12:54 pm-5:20 pm
1 stop5h 26m
$635
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Tue 5/19
2:41 pm-7:54 pm
1 stop4h 13m
Killeen Fort Hood Regional
Sat 5/30
6:44 am-1:31 pm
2 stops7h 47m
$856
Colorado SpringsKilleen
COS - GRK
COSGRK
Colorado Springs
Sun 7/5
3:45 pm-10:27 pm
1 stop5h 42m
Killeen Fort Hood Regional
Wed 7/8
12:54 pm-4:43 pm
1 stop4h 49m
$987
DenverKilleen
DEN - GRK
DENGRK
Denver Intl
Tue 6/30
7:13 am-12:24 pm
1 stop4h 11m
Killeen Fort Hood Regional
Wed 7/1
5:00 am-11:29 am
2 stops7h 29m
$1,259
Showing 1-10 of 19 resultsSorted 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
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
COS-GRK
How much does it cost to fly round-trip from Colorado to Killeen?
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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Colorado and Killeen flights
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Colorado to Killeen flights
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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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$554 | FlexibilityNo cancel fee | On-time71% |