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Killeen

$399+ Cheap flights from Detroit to Killeen (DTT - 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — GRK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Detroit to Killeen

Cheapest flights from Detroit to Killeen
Explore the most affordable flight options available from Detroit to Killeen. 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 1/28. 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.
Wed 3/184:01 pm
DTW
-
GRK
1 stop7h 02m
American Airlines
Tue 3/3110:15 am
GRK
-
DTW
1 stop7h 25m
American Airlines
Deal found 1/28$399
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.
Wed 5/275:36 am
DTW
-
GRK
1 stop4h 56m
American Airlines
Sun 5/313:06 pm
GRK
-
DTW
1 stop6h 05m
American Airlines
Deal found 1/27$448
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.
Wed 2/1111:20 am
DTW
-
GRK
1 stop5h 47m
American Airlines
Sun 2/1511:56 am
GRK
-
DTW
1 stop7h 02m
American Airlines
Deal found 1/27$520
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.
Thu 3/264:01 pm
DTW
-
GRK
1 stop7h 02m
American Airlines
Mon 3/303:59 pm
GRK
-
DTW
1 stop6h 59m
American Airlines
Deal found 1/27$799
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.
Sun 2/11:23 pm
DTW
-
GRK
1 stop6h 30m
American Airlines
Tue 2/35:00 pm
GRK
-
DTW
1 stop4h 35m
American Airlines
Deal found 1/28$900

Find flight deals from Detroit to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(American Airlines)
Provider with most accurate pricing for Detroit (DTT)-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Killeen Fort Hood Regional flights.
Search Deals
From Detroit (DTT) to Killeen Fort Hood Regional
Search Deals

Cheapflights Fare Finder

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

Fly from

Detroit

Fly to

Killeen

Route

Depart

Return

Price

DetroitKilleen

DTW - GRK

DTWGRK

Detroit Metropolitan Wayne County

Wed 3/18

4:01 pm-10:03 pm

1 stop7h 02m

Killeen Fort Hood Regional

Tue 3/31

10:15 am-6:40 pm

1 stop7h 25m

$399

DetroitKilleen

DTW - GRK

DTWGRK

Detroit Metropolitan Wayne County

Wed 5/27

5:36 am-9:32 am

1 stop4h 56m

Killeen Fort Hood Regional

Sun 5/31

3:06 pm-10:11 pm

1 stop6h 05m

$448

DetroitKilleen

DTW - GRK

DTWGRK

Detroit Metropolitan Wayne County

Wed 2/11

11:20 am-4:07 pm

1 stop5h 47m

Killeen Fort Hood Regional

Sun 2/15

11:56 am-7:58 pm

1 stop7h 02m

$520

DetroitKilleen

DTW - GRK

DTWGRK

Detroit Metropolitan Wayne County

Thu 3/26

4:01 pm-10:03 pm

1 stop7h 02m

Killeen Fort Hood Regional

Mon 3/30

3:59 pm-11:58 pm

1 stop6h 59m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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

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

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

Currently, September is the cheapest month in which you can book a flight from Detroit to Killeen (average of $98). Flying from Detroit to Killeen in January is currently the most expensive (average of $225). 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.

Related info for your journey

Find useful and relevant information for your journey from Detroit 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 Detroit to Killeen?

    American Airlines can get you from Detroit to Killeen in just under 7h 02m. Your travel time can differ by up to . There are 1109 mi between Detroit and Killeen.

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

    Our cheapest airline available from Detroit to Killeen is American Airlines. Our recent data shows that you can find tickets from as low as $258 on this airline.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Detroit to Killeen (average of $98). Flying from Detroit to Killeen in January is currently the most expensive (average of $225). 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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Top airline flying from Detroit to Killeen

Discover the top airline that operate flights from Detroit 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$488FlexibilityNo cancel feeOn-time71%

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