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Cheap flights from Colorado to Killeen from $377

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Killeen departing on 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Colorado to Killeen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:11 pm - 10:24 pmCOS-GRK
4h 13m1 stop
American Airlines Logo
12:01 pm - 3:56 pmGRK-COS
4h 55m1 stop
$377American Airlines
Find Deal
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
6:44 pm - 11:43 pmDEN-GRK
3h 59m1 stop
American Airlines Logo
10:34 am - 2:11 pmGRK-DEN
4h 37m1 stop
$496American Airlines
Find Deal
Thu, Nov 20 - Thu, Nov 27
American Airlines Logo
10:27 am - 6:16 pmCOS-GRK
6h 49m1 stop
American Airlines Logo
6:05 am - 9:54 amGRK-COS
4h 49m1 stop
$496American Airlines
Find Deal
Thu, Nov 20 - Wed, Nov 26
American Airlines Logo
9:12 am - 3:29 pmDEN-GRK
5h 17m1 stop
American Airlines Logo
6:32 pm - 10:01 pmGRK-DEN
4h 29m1 stop
$601American Airlines
Find Deal
Mon, Dec 22 - Fri, Dec 26
American Airlines Logo
5:45 am - 11:16 amCOS-GRK
4h 31m1 stop
American Airlines Logo
10:34 am - 3:47 pmGRK-COS
6h 13m1 stop
$601American Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1
American Airlines Logo
12:32 pm - 8:33 pmDEN-GRK
7h 01m1 stop
American Airlines Logo
6:32 pm - 10:01 pmGRK-DEN
4h 29m1 stop
$604American Airlines
Find Deal
Mon, Dec 22 - Sat, Dec 27
American Airlines Logo
6:00 am - 11:27 amCOS-GRK
4h 27m1 stop
American Airlines Logo
6:32 pm - 11:47 pmGRK-COS
6h 15m1 stop
$677American Airlines
Find Deal
Sun, Dec 28 - Sat, Jan 3
American Airlines Logo
6:44 pm - 11:27 amDEN-GRK
15h 43m2 stops
American Airlines Logo
6:32 pm - 10:01 pmGRK-DEN
4h 29m1 stop
$696American Airlines
Find Deal
Mon, Dec 22 - Fri, Dec 26
American Airlines Logo
6:44 pm - 11:27 amDEN-GRK
15h 43m2 stops
American Airlines Logo
6:32 pm - 10:01 pmGRK-DEN
4h 29m1 stop
$699American Airlines
Find Deal
Mon, Dec 22 - Sat, Dec 27
American Airlines Logo
6:00 am - 11:27 amCOS-GRK
4h 27m1 stop
American Airlines Logo
6:32 pm - 11:47 pmGRK-COS
6h 15m1 stop
$709American Airlines
Find Deal
Sat, Dec 20 - Sun, Dec 21

American Airlines flights from Colorado to Killeen

Our best American Airlines deals on Colorado to Killeen flight tickets
American Airlines
Feb 21
COS5:11 pmColorado Springs
4h 13m
1 stop
GRK10:24 pmKilleen Fort Hood Regional
Feb 25
GRK12:01 pmKilleen Fort Hood Regional
4h 55m
1 stop
COS3:56 pmColorado Springs
$377
Find similar
American Airlines
Nov 20
DEN6:44 pmDenver Intl
3h 59m
1 stop
GRK11:43 pmKilleen Fort Hood Regional
Nov 27
GRK10:34 amKilleen Fort Hood Regional
4h 37m
1 stop
DEN2:11 pmDenver Intl
$496
Find similar
American Airlines
Dec 22
DEN9:12 amDenver Intl
5h 17m
1 stop
GRK3:29 pmKilleen Fort Hood Regional
Dec 26
GRK6:32 pmKilleen Fort Hood Regional
4h 29m
1 stop
DEN10:01 pmDenver Intl
$601
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 9, 2025.
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

Price

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Sat 2/21

5:11 pm-10:24 pm

1 stop4h 13m

Killeen Fort Hood Regional

Wed 2/25

12:01 pm-3:56 pm

1 stop4h 55m

$377

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 11/20

6:44 pm-11:43 pm

1 stop3h 59m

Killeen Fort Hood Regional

Thu 11/27

10:34 am-2:11 pm

1 stop4h 37m

$496

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Thu 11/20

10:27 am-6:16 pm

1 stop6h 49m

Killeen Fort Hood Regional

Wed 11/26

6:05 am-9:54 am

1 stop4h 49m

$496

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 12/22

9:12 am-3:29 pm

1 stop5h 17m

Killeen Fort Hood Regional

Fri 12/26

6:32 pm-10:01 pm

1 stop4h 29m

$601

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Thu 11/27

5:45 am-11:16 am

1 stop4h 31m

Killeen Fort Hood Regional

Mon 12/1

10:34 am-3:47 pm

1 stop6h 13m

$601

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 12/22

12:32 pm-8:33 pm

1 stop7h 01m

Killeen Fort Hood Regional

Sat 12/27

6:32 pm-10:01 pm

1 stop4h 29m

$604

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Sun 12/28

6:00 am-11:27 am

1 stop4h 27m

Killeen Fort Hood Regional

Sat 1/3

6:32 pm-11:47 pm

1 stop6h 15m

$677

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 12/22

6:44 pm-11:27 am

2 stops15h 43m

Killeen Fort Hood Regional

Fri 12/26

6:32 pm-10:01 pm

1 stop4h 29m

$696

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 12/22

6:44 pm-11:27 am

2 stops15h 43m

Killeen Fort Hood Regional

Sat 12/27

6:32 pm-10:01 pm

1 stop4h 29m

$699

Colorado SpringsKilleen

COS - GRK

COSGRK

Colorado Springs

Sat 12/20

6:00 am-11:27 am

1 stop4h 27m

Killeen Fort Hood Regional

Sun 12/21

6:32 pm-11:47 pm

1 stop6h 15m

$709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Killeen from

How to get the cheapest flight ticket from Colorado to Killeen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Killeen?

On average, the least expensive day to fly to Killeen from Colorado is on a Saturday. momondo users have found tickets for Saturday departures for as low as $631. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Killeen is Sunday, with ticket prices averaging around $865.

What is the cheapest time of day to depart on your flight to Killeen?

According to our data, the cheapest time of day to fly to Killeen is in the morning. momondo users have found flights departing from Colorado to Killeen in the morning for as low as $567. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Killeen are more costly in the afternoon, with an average ticket price of $786. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Colorado to Killeen flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Killeen

Direct flights

None
There are no direct flights from Colorado to Killeen. There are no popular flight routes from Colorado to Killeen.
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  • When did momondo last update prices for flights from Colorado to Killeen Fort Hood Regional Airport?

    Prices for flights from Colorado to Killeen Fort Hood Regional Airport are updated daily.

  • How many operators does momondo search for flights from Colorado to Killeen Fort Hood Regional Airport?

  • How old do you have to be to fly from Colorado to Killeen Fort Hood Regional Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Killeen Fort Hood Regional Airport.

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The travel and health documents you'll need for your trip to Killeen Fort Hood Regional Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Killeen Fort Hood Regional Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Killeen

Compare and see reviews for airlines that fly from Colorado to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Salado
Copperas Cove
Fort Hood

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Killeen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Killeen for you.

Can I find flights from Colorado to Killeen with flexible booking policies on momondo?

All flight searches from Colorado to Killeen on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Killeen?

Once you have performed a search for Colorado to Killeen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado to Killeen right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colorado to Killeen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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