$481+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — GRK
Jul 31 — Aug 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Detroit to Killeen 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 Detroit to Killeen
Cheapest
Best
Last-minute
Cheapest flights from Detroit to KilleenExplore 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 July 1, 2026.
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 July 1, 2026.
This American Airlines deal was found by Cheapflights users on 6/27. 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 7/14:10 pm
DTW
- GRK
1 stop7h 34m
American Airlines
Sat 8/13:08 pm
GRK
- DTW
1 stop6h 28m
American Airlines
Deal found 6/27![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 7/167:51 pm
DTW
- GRK
1 stop4h 48m
American Airlines
Sun 7/193:08 pm
GRK
- DTW
1 stop7h 32m
American Airlines
Deal found 6/28![American Airlines logo]()
$629
Best flights from Detroit to KilleenDiscover carefully curated flight deals from Detroit to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Detroit to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/167:51 pm
DTW
- GRK
1 stop4h 48m
American Airlines
Sun 7/193:08 pm
GRK
- DTW
1 stop7h 32m
American Airlines
Deal found 6/30![American Airlines logo]()
$629
Last-minute flights from Detroit to KilleenDiscover last-minute flight deals from Detroit to Killeen. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Killeen. Data last updated July 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/27. 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 7/14:10 pm
DTW
- GRK
1 stop7h 34m
American Airlines
Sat 8/13:08 pm
GRK
- DTW
1 stop6h 28m
American Airlines
Deal found 6/27![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 7/167:51 pm
DTW
- GRK
1 stop4h 48m
American Airlines
Sun 7/193:08 pm
GRK
- DTW
1 stop7h 32m
American Airlines
Deal found 6/28![American Airlines logo]()
$629
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $629 (American Airlines) |
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 July 1, 2026.
Use the filters below to find and compare flights from Detroit to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DetroitKilleen
DTW - GRK
DTWGRK
Detroit Metropolitan Wayne County
Thu 7/16
7:51 pm-11:39 pm
1 stop4h 48m
Killeen Fort Hood Regional
Sun 7/19
3:08 pm-11:40 pm
1 stop7h 32m
$629
Sorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
DTT-GRK
DTW-GRK
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
DTT-GRK
DTW-GRK
No data available for this route at this time. Please check back soon.
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.
Traveling to a place near Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Detroit
Popular flights
Alternative routes for Detroit to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to Killeen by cabin class
Find flights from Detroit to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and Killeen flights
Browse other Detroit and Killeen flight options. Last updated on July 1, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$458 | FlexibilityNo cancel fee | On-time71% |