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$307+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find flight deals from Killeen to Colorado

Cheapest flights from Killeen to Colorado
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 octubre 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 11/126:05 amGRK - COS
1 stop6h 43mAmerican Airlines
lun. 11/175:45 amCOS - GRK
1 stop4h 37mAmerican Airlines
Deal found 10/29$367
This American Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 10/315:16 amGRK - DEN
1 stop5h 33mAmerican Airlines
dom. 11/210:24 amDEN - GRK
1 stop6h 58mAmerican Airlines
Deal found 10/27$479
This American Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 12/2411:57 amGRK - DEN
1 stop6h 40mAmerican Airlines
vie. 12/268:21 amDEN - GRK
1 stop6h 06mAmerican Airlines
Deal found 10/29$489
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 12/236:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
dom. 12/288:21 amDEN - GRK
1 stop6h 06mAmerican Airlines
Deal found 10/28$615
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 10/2912:34 pmGRK - MTJ
1 stop6h 29mAmerican Airlines
vie. 10/317:30 amMTJ - GRK
1 stop6h 00mAmerican Airlines
Deal found 10/28$711
This American Airlines deal was found by Cheapflights users on 10/27. 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. 12/165:05 amGRK - DEN
1 stop7h 19mAmerican Airlines
vie. 12/196:40 pmDEN - GRK
1 stop14h 11mAmerican Airlines
Deal found 10/27$778

Cheap flight deals from Killeen to Colorado

Keep the following information in mind while searching for Killeen to Colorado flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$307
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Denver Intl flights.
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From Killeen Fort Hood Regional to Colorado
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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 octubre 29, 2025.
Use the filters below to find and compare flights from Killeen to Colorado that are best for you.

Fly from

Killeen

Fly to

Colorado

Route

Depart

Return

Price

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

jue. 2/19

3:55 pm-8:28 pm

1 stop5h 33m

Denver Intl

lun. 2/23

9:17 am-3:25 pm

1 stop5h 08m

$307

KilleenColorado Springs

GRK - COS

GRKCOS

Killeen Fort Hood Regional

mié. 11/12

6:05 am-11:48 am

1 stop6h 43m

Colorado Springs

lun. 11/17

5:45 am-11:22 am

1 stop4h 37m

$367

KilleenColorado Springs

GRK - COS

GRKCOS

Killeen Fort Hood Regional

mar. 3/24

12:45 pm-3:35 pm

1 stop3h 50m

Colorado Springs

sáb. 3/28

5:08 pm-11:22 pm

1 stop5h 14m

$445

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

mié. 3/25

6:43 pm-12:04 am

1 stop6h 21m

Denver Intl

sáb. 3/28

9:10 am-3:48 pm

1 stop5h 38m

$452

KilleenDurango

GRK - DRO

GRKDRO

Killeen Fort Hood Regional

mar. 3/3

7:00 am-12:00 pm

1 stop6h 00m

Durango La Plata County

sáb. 3/7

4:54 pm-10:24 pm

1 stop4h 30m

$480

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

mié. 12/24

11:57 am-5:37 pm

1 stop6h 40m

Denver Intl

vie. 12/26

8:21 am-3:27 pm

1 stop6h 06m

$489

KilleenMontrose

GRK - MTJ

GRKMTJ

Killeen Fort Hood Regional

sáb. 3/28

10:37 am-1:41 pm

1 stop4h 04m

Montrose County

mié. 4/1

2:46 pm-7:42 pm

1 stop3h 56m

$491

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

mar. 12/23

6:32 pm-11:56 pm

1 stop6h 24m

Denver Intl

dom. 12/28

8:21 am-3:27 pm

1 stop6h 06m

$615

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

mar. 12/16

5:05 am-11:24 am

1 stop7h 19m

Denver Intl

vie. 12/19

6:40 pm-9:51 am

1 stop14h 11m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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.
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

What is the cheapest month to book a flight from Killeen to Colorado?

Currently, January is the cheapest month in which you can book a flight from Killeen to Colorado (average of $55). Flying from Killeen to Colorado in June is currently the most expensive (average of $98). 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.

What is the cheapest time of day to fly from GRK to CO?

Find hourly flight availability from Killeen to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 71% on flights from Killeen to Colorado by exploring options for tickets in the evening.

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 octubre 29, 2025.
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.
American Airlines
7.2
Good
11,030 reviews

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,030 reviews
American Airlines
7.2
Good
11,030 reviews

Boarding

7.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

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.

  • What airport do you fly from for flights from Killeen to Colorado?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Colorado. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to Colorado?

    American Airlines can get you from Killeen to Colorado in just under 5h 33m. Your travel time can differ by up to . The distance between Killeen and Colorado is about 718 mi.

  • What are the most popular routes from Killeen to Colorado?

    The most popular route from Killeen to Colorado is Killeen Fort Hood Regional - Denver Intl. You may also consider Killeen Fort Hood Regional - Colorado Springs or Killeen Fort Hood Regional - Montrose County.

  • Can I find deals for flights from Killeen to Colorado that include hotel bookings?

    Yes. In addition to deals on Killeen to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Colorado.

  • Can I find deals for business class flights from Killeen to Colorado?

    Yes. Cheapflights offers flight deals from Killeen to Colorado 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 Killeen to Colorado?

    Currently, January is the cheapest month in which you can book a flight from Killeen to Colorado (average of $55). Flying from Killeen to Colorado in June is currently the most expensive (average of $98). 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

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Alternative routes for Killeen to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$456FlexibilityNo cancel feeOn-time71%

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