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$432+ Cheap flights from Killeen (GRK) to Colorado

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This American Airlines deal was found by Cheapflights users on 3/14. 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 4/103:54 pm
GRK
-
DRO
1 stop6h 29m
American Airlines
Sun 4/125:04 pm
DRO
-
GRK
1 stop5h 42m
American Airlines
Deal found 3/14$480
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/247:09 pm
GRK
-
COS
1 stop5h 23m
American Airlines
Sun 4/265:13 pm
COS
-
GRK
1 stop5h 33m
American Airlines
Deal found 3/13$563
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/146:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Tue 3/176:00 am
DEN
-
GRK
1 stop4h 31m
American Airlines
Deal found 3/14$597
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 3/1810:15 am
GRK
-
COS
1 stop6h 43m
American Airlines
Sun 3/226:00 am
COS
-
GRK
1 stop4h 26m
American Airlines
Deal found 3/16$606
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/146:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Sun 3/1510:25 am
DEN
-
GRK
1 stop6h 38m
American Airlines
Deal found 3/14$606
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 3/126:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Mon 3/1612:33 pm
DEN
-
GRK
1 stop4h 30m
American Airlines
Deal found 3/12$615
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/146:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Wed 3/1812:33 pm
DEN
-
GRK
1 stop4h 30m
American Airlines
Deal found 3/14$632
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/146:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Sat 3/215:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 3/14$737
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 3/126:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Wed 3/186:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Deal found 3/12$746
This American Airlines deal was found by Cheapflights users on 3/14. 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 3/1710:15 am
GRK
-
DEN
1 stop4h 42m
American Airlines
Wed 3/1812:33 pm
DEN
-
GRK
1 stop4h 30m
American Airlines
Deal found 3/14$863
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 3/1712:01 pm
GRK
-
DEN
1 stop4h 53m
American Airlines
Mon 3/2312:26 pm
DEN
-
GRK
2 stops22h 05m
American Airlines
Deal found 3/15$890
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 3/166:33 pm
GRK
-
COS
1 stop6h 26m
American Airlines
Wed 3/184:48 pm
COS
-
GRK
1 stop4h 15m
American Airlines
Deal found 3/15$932

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(American Airlines)

One-way from

$432
(American Airlines)

Popular in

August

Cheapest in

July

Average price

$446
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.
Search Deals
From Killeen Fort Hood Regional to Colorado
Search Deals
One-way flight from Killeen Fort Hood Regional to Colorado
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 17, 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

Price

Cheapest round-trip

KilleenDurango

GRK - DRO

GRKDRO

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-9:23 pm

1 stop6h 29m

Durango La Plata County

Sun 4/12

5:04 pm-11:46 pm

1 stop5h 42m

$480
Quickest round-trip

KilleenColorado Springs

GRK - COS

GRKCOS

Killeen Fort Hood Regional

Fri 4/24

7:09 pm-11:32 pm

1 stop5h 23m

Colorado Springs

Sun 4/26

5:13 pm-11:46 pm

1 stop5h 33m

$563
Cheapest one-way
Quickest one-way

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 3/25

11:56 am-3:53 pm

1 stop4h 57m

$432

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Thu 3/26

3:59 pm-8:05 pm

1 stop5h 06m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

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.
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 $53). 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.

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 March 17, 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.
American Airlines
7.1
Good
11,468 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

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
7.1
Good
11,468 reviews
American Airlines
7.1
Good
11,468 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

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 6h 29m. Your travel time can differ by up to . The distance between Killeen and Colorado is about 705 mi.

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

    The most popular route from Killeen to Colorado is Killeen Fort Hood Regional - Montrose County. You may also consider Killeen Fort Hood Regional - Denver Intl or Killeen Fort Hood Regional - Durango La Plata 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 $53). 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$233Average$416FlexibilityNo cancel feeOn-time71%

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