$421+ Cheap flights from Atlanta to Killeen (ATL - 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — GRK
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta 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 Atlanta to Killeen
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Best
Last-minute
Cheapest flights from Atlanta to KilleenExplore the most affordable flight options available from Atlanta to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Atlanta to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/98:19 am -
1 stop4h 58m
Wed 9/165:00 am -
1 stop5h 13m
Deal found 8/16![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/105:29 pm -
1 stop7h 04m
Sun 9/135:00 am -
1 stop4h 15m
Deal found 8/15![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/16. 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 8/208:17 pm -
1 stop4h 22m
Sat 8/223:05 pm -
1 stop5h 59m
Deal found 8/16![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/167:00 am -
2 stops8h 35m
Sat 8/2912:37 pm -
2 stops7h 11m
Deal found 8/14![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/266:10 am -
1 stop4h 19m
Wed 8/263:05 pm -
1 stop5h 59m
Deal found 8/18![American Airlines logo]()
$775
Best flights from Atlanta to KilleenDiscover carefully curated flight deals from Atlanta to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Atlanta to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/98:19 am -
1 stop4h 58m
Wed 9/165:00 am -
1 stop5h 13m
Deal found 8/16![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/105:29 pm -
1 stop7h 04m
Sun 9/135:00 am -
1 stop4h 15m
Deal found 8/15![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/316:10 am -
1 stop4h 19m
Mon 8/313:05 pm -
1 stop5h 59m
Deal found 8/17![American Airlines logo]()
$845
Last-minute flights from Atlanta to KilleenDiscover last-minute flight deals from Atlanta to Killeen. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Killeen. Data last updated August 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/16. 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 8/208:17 pm -
1 stop4h 22m
Sat 8/223:05 pm -
1 stop5h 59m
Deal found 8/16![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 8/16. 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 8/2212:19 pm -
2 stops7h 33m
Sun 8/233:05 pm -
2 stops8h 01m
Deal found 8/16![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/266:10 am -
1 stop4h 19m
Wed 8/263:05 pm -
1 stop5h 59m
Deal found 8/18![American Airlines logo]()
$775
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/98:19 am -
1 stop4h 58m
Wed 9/165:00 am -
1 stop5h 13m
Deal found 8/16![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/105:29 pm -
1 stop7h 04m
Sun 9/135:00 am -
1 stop4h 15m
Deal found 8/15![American Airlines logo]()
$452
Find flight deals from Atlanta to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $421 (American Airlines) |
Popular in | August |
Cheapest in | July |
Average price | $644 |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta 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 7,457,451 searches. Data last updated August 19, 2026.
Use the filters below to find and compare flights from Atlanta to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Wed 9/9
8:19 am-12:17 pm
1 stop4h 58m
Killeen Fort Hood Regional
Wed 9/16
5:00 am-11:13 am
1 stop5h 13m
$421
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Thu 9/10
5:29 pm-11:33 pm
1 stop7h 04m
Killeen Fort Hood Regional
Sun 9/13
5:00 am-10:15 am
1 stop4h 15m
$452
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Mon 8/31
6:10 am-9:29 am
1 stop4h 19m
Killeen Fort Hood Regional
Mon 8/31
3:05 pm-10:04 pm
1 stop5h 59m
$845
Sorted by cheapest first
Compare providers for flights from Atlanta 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 Atlanta to Killeen in August.
| 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 Atlanta-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-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 Atlanta-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 Atlanta to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Atlanta with our price prediction graph.
ATL-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 Atlanta to Killeen
What is the cheapest month to book a flight from Atlanta to Killeen?
Currently, July is the cheapest month in which you can book a flight from Atlanta to Killeen (average of $316). Flying from Atlanta to Killeen in August is currently the most expensive (average of $644). 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.
How much does it cost to fly round-trip from Atlanta to Killeen?
Airfare is below average for this route at the moment.
Atlanta to Killeen flights typically cost between $422 and $644 in September.The cheapest round-trip price found within the last 5 days was $421 on American Airlines (Sep 9-Sep 16).
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 August 19, 2026.
Read through reviews of airlines operating flights from Atlanta to Killeen, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Crew
7.9
Entertainment
6.8
Food
6.4
Comfort
7.2
Overall
7.1
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Boarding
7.5
Crew
7.9
Entertainment
6.8
Food
6.4
Comfort
7.2
Overall
7.1
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Atlanta 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
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Atlanta and Killeen flights
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Top airline flying from Atlanta to Killeen
Discover the top airline that operate flights from Atlanta 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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$316 | Average$454 | FlexibilityNo cancel fee | On-time71% |