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Colorado

$305+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 3/2511:56 am
GRK
-
DEN
1 stop4h 57m
American Airlines
Tue 3/316:00 am
DEN
-
GRK
1 stop4h 31m
American Airlines
Deal found 1/29$305
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/1012:31 pm
GRK
-
DEN
1 stop6h 42m
American Airlines
Sat 2/145:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 1/27$367
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/1311:56 am
GRK
-
DEN
1 stop4h 57m
American Airlines
Sun 2/156:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Deal found 1/26$447
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/126:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Sun 2/155:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 1/26$492
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/126:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Mon 2/165:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 1/26$537
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 2/136:33 pm
GRK
-
COS
1 stop6h 26m
American Airlines
Mon 2/166:00 am
COS
-
GRK
1 stop4h 26m
American Airlines
Deal found 1/29$563
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/610:36 am
GRK
-
DEN
1 stop6h 45m
American Airlines
Sun 2/83:17 pm
DEN
-
GRK
1 stop6h 26m
American Airlines
Deal found 1/28$575
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Thu 7/305:00 am
GRK
-
DEN
2 stops7h 28m
American Airlines
Mon 8/35:15 am
DEN
-
GRK
1 stop6h 05m
American Airlines
Deal found 1/29$787

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(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.
Search Deals
From Killeen Fort Hood Regional to Colorado
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 January 29, 2026.
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

Wed 3/25

11:56 am-3:53 pm

1 stop4h 57m

Denver Intl

Tue 3/31

6:00 am-11:31 am

1 stop4h 31m

$305

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Tue 2/10

12:31 pm-6:13 pm

1 stop6h 42m

Denver Intl

Sat 2/14

5:00 am-11:26 am

1 stop5h 26m

$367

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Fri 2/13

11:56 am-3:53 pm

1 stop4h 57m

Denver Intl

Sun 2/15

6:00 am-11:26 am

1 stop4h 26m

$447

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Fri 2/13

11:56 am-3:53 pm

1 stop4h 57m

Denver Intl

Mon 2/16

5:00 am-11:26 am

1 stop5h 26m

$492

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Thu 2/12

6:33 pm-11:54 pm

1 stop6h 21m

Denver Intl

Sun 2/15

5:00 am-11:26 am

1 stop5h 26m

$492

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Thu 2/12

6:33 pm-11:54 pm

1 stop6h 21m

Denver Intl

Mon 2/16

5:00 am-11:26 am

1 stop5h 26m

$537

KilleenColorado Springs

GRK - COS

GRKCOS

Killeen Fort Hood Regional

Sat 2/28

10:15 am-4:21 pm

1 stop7h 06m

Colorado Springs

Fri 3/6

4:49 pm-10:03 pm

1 stop4h 14m

$563

KilleenColorado Springs

GRK - COS

GRKCOS

Killeen Fort Hood Regional

Fri 2/13

6:33 pm-11:59 pm

1 stop6h 26m

Colorado Springs

Mon 2/16

6:00 am-11:26 am

1 stop4h 26m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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, February is the cheapest month in which you can book a flight from Killeen to Colorado (average of $56). 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 January 29, 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
7.2
Good
11,205 reviews

Food

6.4

Entertainment

6.9

Comfort

7.2

Crew

8.0

Overall

7.2

Boarding

7.5

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
11,205 reviews
American Airlines
7.2
Good
11,205 reviews

Food

6.4

Entertainment

6.9

Comfort

7.2

Crew

8.0

Overall

7.2

Boarding

7.5

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 4h 57m. 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 - Colorado Springs. 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, February is the cheapest month in which you can book a flight from Killeen to Colorado (average of $56). 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

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$233Average$415FlexibilityNo cancel feeOn-time71%

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