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Denver

$307+ Cheap flights from Killeen to Denver (GRK - DEN)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Killeen to Denver

Cheapest flights from Killeen to Denver
Explore the most affordable flight options available from Killeen to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This American Airlines deal was found by Cheapflights users on 3/9. 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 4/81:08 pm
GRK
-
DEN
1 stop5h 31m
American Airlines
Wed 4/155:30 am
DEN
-
GRK
1 stop6h 08m
American Airlines
Deal found 3/9$307
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/1410:05 am
GRK
-
DEN
1 stop7h 14m
American Airlines
Sat 4/182:41 pm
DEN
-
GRK
1 stop6h 11m
American Airlines
Deal found 3/9$407
This American Airlines deal was found by Cheapflights users on 3/8. 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 3/246:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Tue 3/316:00 am
DEN
-
GRK
1 stop4h 31m
American Airlines
Deal found 3/8$417
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/66:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Mon 4/136:30 pm
DEN
-
GRK
1 stop4h 16m
American Airlines
Deal found 3/9$496
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/196:33 pm
GRK
-
DEN
1 stop6h 21m
American Airlines
Mon 3/235:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 3/9$526
This American Airlines deal was found by Cheapflights users on 3/10. 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 3/1010:15 am
GRK
-
DEN
1 stop6h 39m
American Airlines
Sun 3/156:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Deal found 3/10$595
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.
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 3/12$597
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.
Sat 3/146:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Thu 3/198:00 am
DEN
-
GRK
1 stop6h 29m
American Airlines
Deal found 3/12$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 3/1211:56 am
GRK
-
DEN
1 stop4h 57m
American Airlines
Sun 3/155:00 am
DEN
-
GRK
1 stop5h 26m
American Airlines
Deal found 3/12$615
This American Airlines deal was found by Cheapflights users on 3/10. 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 3/106:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Sat 3/142:48 pm
DEN
-
GRK
1 stop6h 15m
American Airlines
Deal found 3/10$645
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.
Sat 3/146:33 pm
GRK
-
DEN
1 stop5h 07m
American Airlines
Wed 3/186:00 am
DEN
-
GRK
1 stop4h 26m
American Airlines
Deal found 3/12$656
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$665

Find flight deals from Killeen to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Denver (DEN). 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(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 Denver Intl
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 Denver 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 12, 2026.
Use the filters below to find and compare flights from Killeen to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 4/8

1:08 pm-5:39 pm

1 stop5h 31m

Denver Intl

Wed 4/15

5:30 am-12:38 pm

1 stop6h 08m

$307

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Tue 4/14

10:05 am-4:19 pm

1 stop7h 14m

Denver Intl

Sat 4/18

2:41 pm-9:52 pm

1 stop6h 11m

$407

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Tue 3/24

6:33 pm-10:40 pm

1 stop5h 07m

Denver Intl

Tue 3/31

6:00 am-11:31 am

1 stop4h 31m

$417

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 3/25

6:33 pm-10:40 pm

1 stop5h 07m

Denver Intl

Tue 3/31

6:00 am-11:31 am

1 stop4h 31m

$417

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-9:59 pm

1 stop7h 05m

Denver Intl

Fri 4/17

5:30 am-11:21 am

1 stop4h 51m

$496
Quickest round-trip

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Mon 4/6

6:33 pm-10:40 pm

1 stop5h 07m

Denver Intl

Mon 4/13

6:30 pm-11:46 pm

1 stop4h 16m

$496
Cheapest one-way

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Tue 3/17

12:01 pm-3:54 pm

1 stop4h 53m

$422

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Tue 3/24

10:15 am-3:54 pm

1 stop6h 39m

$432
Quickest one-way

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 3/25

10:15 am-1:57 pm

1 stop4h 42m

$432

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Fri 3/20

7:00 am-11:36 am

1 stop5h 36m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Killeen to Denver

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 Killeen to Denver 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 Killeen-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Denver 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 Killeen-Denver 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 Killeen to Denver

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

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

Currently, January is the cheapest month in which you can book a flight from Killeen to Denver (average of $53). Flying from Killeen to Denver 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 Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated March 12, 2026.
Get a feel of what it's like to fly with American Airlines from Killeen to Denver 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
11,432 reviews

Overall

7.1

Crew

7.9

Comfort

7.2

Boarding

7.5

Food

6.4

Entertainment

6.9

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
11,432 reviews
American Airlines
7.1
Good
11,432 reviews

Overall

7.1

Crew

7.9

Comfort

7.2

Boarding

7.5

Food

6.4

Entertainment

6.9

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 Denver. 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 Killeen to Denver?

    Departing from Killeen to Denver will take you 5h 31m. There are 718 mi between Killeen and Denver.

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

    Cheapflights users have booked flights from Killeen to Denver round-trip from $286. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Killeen to Denver (average of $53). Flying from Killeen to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Killeen to Denver

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Top airline flying from Killeen to Denver

Discover the top airline that operate flights from Killeen to Denver. 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$457FlexibilityNo cancel feeOn-time71%

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