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Killeen

$337+ Cheap flights from Denver to Killeen (DEN - GRK)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRK
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
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Cheap flight deals from Denver to Killeen

Cheapest flights from Denver to Killeen
Explore the most affordable flight options available from Denver to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This American Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 4/205:14 pm
DEN
-
GRK
1 stop5h 32m
American Airlines
Sat 4/251:08 pm
GRK
-
DEN
1 stop4h 10m
American Airlines
Deal found 3/26$337
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/91:13 pm
DEN
-
GRK
1 stop4h 26m
American Airlines
Mon 4/137:09 pm
GRK
-
DEN
1 stop5h 36m
American Airlines
Deal found 3/24$387
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/110:25 am
DEN
-
GRK
1 stop6h 38m
American Airlines
Mon 4/66:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Deal found 3/24$611
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 3/2710:25 am
DEN
-
GRK
1 stop4h 04m
American Airlines
Sun 3/2910:15 am
GRK
-
DEN
1 stop4h 42m
American Airlines
Deal found 3/27$615
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/125:14 pm
DEN
-
GRK
1 stop5h 32m
American Airlines
Mon 4/137:09 pm
GRK
-
DEN
1 stop5h 36m
American Airlines
Deal found 3/27$650
This American Airlines deal was found by Cheapflights users on 3/24. 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 58m
American Airlines
Fri 8/147:22 pm
GRK
-
DEN
1 stop17h 27m
American Airlines
Deal found 3/24$893
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 3/289:17 am
DEN
-
GRK
2 stops11h 46m
American Airlines
Sun 3/293:59 pm
GRK
-
DEN
1 stop5h 06m
American Airlines
Deal found 3/27$981

Find flight deals from Denver to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Killeen (GRK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$337
(American Airlines)
Provider with most accurate pricing for Denver Intl-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Killeen Fort Hood Regional flights.
Search Deals
From Denver Intl to Killeen Fort Hood Regional
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 March 29, 2026.
Use the filters below to find and compare flights from Denver to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 4/20

5:14 pm-11:46 pm

1 stop5h 32m

Killeen Fort Hood Regional

Sat 4/25

1:08 pm-4:18 pm

1 stop4h 10m

$337

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Thu 4/9

1:13 pm-6:39 pm

1 stop4h 26m

Killeen Fort Hood Regional

Mon 4/13

7:09 pm-11:45 pm

1 stop5h 36m

$387

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Sun 4/12

5:14 pm-11:46 pm

1 stop5h 32m

Killeen Fort Hood Regional

Mon 4/13

7:09 pm-11:45 pm

1 stop5h 36m

$650

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Tue 8/11

7:20 am-12:18 pm

1 stop3h 58m

Killeen Fort Hood Regional

Fri 8/14

7:22 pm-11:49 am

1 stop17h 27m

$893
Cheapest one-way
Quickest one-way

DenverKilleen

DEN - GRK

DENGRK

Denver Intl

Mon 4/6

6:00 am-11:26 am

1 stop4h 26m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Sorted by cheapest first

Compare providers for flights from Denver to Killeen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Killeen in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Killeen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Killeen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Killeen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Denver 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 Denver to Killeen

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

Currently, January is the cheapest month in which you can book a flight from Denver to Killeen (average of $58). Flying from Denver to Killeen in June is currently the most expensive (average of $128). 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 Killeen

Get insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated March 29, 2026.
Get a feel of what it's like to fly with American Airlines from Denver to Killeen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,521 reviews

Crew

7.9

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.1
Good
11,521 reviews
American Airlines
7.1
Good
11,521 reviews

Crew

7.9

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Denver to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Killeen?

    There are many flights that can get you from Denver to Killeen in 5h 32m. Fly via American Airlines to get the fastest option. There are 718 mi between Denver and Killeen.

  • What is the cheapest airline to fly from Denver to Killeen round-trip?

    According to our current data, American Airlines ($296), offers the cheapest pricing from Denver to Killeen.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Killeen (average of $58). Flying from Denver to Killeen in June is currently the most expensive (average of $128). 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

Traveling to a place near Killeen?

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

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Alternative routes for Denver to Killeen

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Top airline flying from Denver to Killeen

Discover the top airline that operate flights from Denver 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$924FlexibilityNo cancel feeOn-time71%

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