HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Killeen to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/104:10 pmGRK - DEN
1 stop7h 12mAmerican Airlines
Sat 12/1312:18 pmDEN - GRK
1 stop5h 06mAmerican Airlines
Deal found 12/10$467
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/1010:33 amGRK - DEN
1 stop6h 16mAmerican Airlines
Wed 12/1712:18 pmDEN - GRK
1 stop5h 06mAmerican Airlines
Deal found 12/10$537
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/104:10 pmGRK - DEN
1 stop7h 12mAmerican Airlines
Mon 12/1510:21 amDEN - GRK
1 stop4h 16mAmerican Airlines
Deal found 12/10$546
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/114:10 pmGRK - DEN
1 stop6h 47mAmerican Airlines
Sun 12/142:48 pmDEN - GRK
1 stop5h 45mAmerican Airlines
Deal found 12/10$555
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/206:32 pmGRK - DEN
1 stop6h 24mAmerican Airlines
Fri 1/96:00 amDEN - GRK
1 stop5h 01mAmerican Airlines
Deal found 12/11$607
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:53 pmGRK - DEN
1 stop4h 04mAmerican Airlines
Fri 12/196:44 pmDEN - GRK
2 stops15h 43mAmerican Airlines
Deal found 12/10$834
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/1411:52 amGRK - DEN
1 stop4h 56mAmerican Airlines
Tue 12/166:00 amDEN - GRK
1 stop4h 20mAmerican Airlines
Deal found 12/10$872
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/206:32 pmGRK - DEN
1 stop4h 29mAmerican Airlines
Sun 1/46:21 amDEN - GRK
1 stop13h 12mAmerican Airlines
Deal found 12/11$927
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/1411:52 amGRK - DEN
1 stop4h 56mAmerican Airlines
Thu 12/1810:30 amDEN - GRK
1 stop3h 59mAmerican Airlines
Deal found 12/10$941
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:05 amGRK - DEN
1 stop4h 26mAmerican Airlines
Sun 12/146:40 pmDEN - GRK
1 stop3h 59mAmerican Airlines
Deal found 12/10$1,015

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$307
(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 Denver Intl
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 December 12, 2025.
Use the filters below to find and compare flights from Killeen to Denver that are best for you.

Fly from

Killeen

Fly to

Denver

Route

Depart

Return

Price

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 2/4

9:48 am-2:14 pm

1 stop5h 26m

Denver Intl

Wed 2/11

8:44 am-4:07 pm

1 stop6h 23m

$307

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 1/21

10:36 am-10:34 pm

1 stop12h 58m

Denver Intl

Fri 1/23

12:52 pm-10:05 am

1 stop20h 13m

$721

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Wed 12/24

7:29 am-11:42 am

1 stop5h 13m

$402

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Sat 12/20

6:32 pm-11:56 pm

1 stop6h 24m

$402

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Fri 12/19

7:11 am-11:42 am

1 stop5h 31m

$471

KilleenDenver

GRK - DEN

GRKDEN

Killeen Fort Hood Regional

Thu 12/25

11:57 am-5:37 pm

1 stop6h 40m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-Denver flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

What is the cheapest time of day to fly from GRK to DEN?

Find hourly flight availability from Killeen to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Killeen to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 71% versus a flight at noon.

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 December 12, 2025.
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
7.2
Good
11,050 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

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 26m. 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.

  • 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
Black Hawk
Thornton
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Killeen to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
Hobby to Denver flights
George Bush Intcntl to Denver flights
Austin to Denver flights
San Antonio to Denver flights
Love Field to Denver flights
Dallas/Fort Worth to Hayden flights
Hobby to Colorado Springs flights
Dallas/Fort Worth to Colorado Springs flights
George Bush Intcntl to Colorado Springs flights
Dallas/Fort Worth to Durango flights
Dallas/Fort Worth to Vail flights
Dallas/Fort Worth to Aspen flights
Hobby to Hayden flights
Dallas/Fort Worth to Montrose flights
Corpus Christi to Denver flights
Hobby to Vail flights
George Bush Intcntl to Hayden flights
Austin to Colorado Springs flights
George Bush Intcntl to Vail flights
El Paso to Denver flights
San Antonio to Colorado Springs flights
Austin to Vail flights
Love Field to Colorado Springs flights
Dallas/Fort Worth to Grand Junction flights
Hobby to Aspen flights
Austin to Durango flights
Hobby to Durango flights
Austin to Aspen flights
George Bush Intcntl to Durango flights
McAllen to Denver flights
Dallas/Fort Worth to Gunnison flights
George Bush Intcntl to Aspen flights
Dallas/Fort Worth to Alamosa flights
Hobby to Montrose flights
Austin to Hayden flights
Hobby to Gunnison flights
George Bush Intcntl to Montrose flights
George Bush Intcntl to Gunnison flights
Midland to Denver flights
Hobby to Grand Junction flights
Harlingen to Denver flights
Austin to Montrose flights
George Bush Intcntl to Grand Junction flights
San Antonio to Montrose flights
San Antonio to Aspen flights
San Antonio to Hayden flights
Austin to Grand Junction flights
El Paso to Colorado Springs flights
Amarillo to Denver flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$385FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.