$423+ Cheap flights from Atlanta to Killeen (ATL - GRK)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — GRK
Sep 25 — Oct 21
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
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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 26, 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 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/24. 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 10/282:58 pm -
1 stop4h 34m
Sun 11/13:07 pm -
1 stop4h 33m
Deal found 8/24![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/22. 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 8/22![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 10/304:15 pm -
1 stop5h 37m
Sun 11/15:00 am -
1 stop4h 11m
Deal found 8/24![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/56:00 am -
1 stop4h 27m
Sun 11/83:07 pm -
2 stops7h 48m
Deal found 8/21![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/1512:38 pm -
1 stop7h 07m
Tue 9/227:00 am -
1 stop6h 11m
Deal found 8/24![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/118:19 am -
1 stop4h 58m
Sun 9/1312:47 pm -
1 stop6h 57m
Deal found 8/25![American Airlines logo]()
$548
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 26, 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 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/24. 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 10/282:58 pm -
1 stop4h 34m
Sun 11/13:07 pm -
1 stop4h 33m
Deal found 8/24![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 10/304:15 pm -
1 stop5h 37m
Sun 11/15:00 am -
1 stop4h 11m
Deal found 8/24![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/51:28 pm -
1 stop5h 43m
Sun 11/812:26 pm -
1 stop7h 14m
Deal found 8/21![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/153:02 pm -
1 stop4h 43m
Tue 9/225:00 am -
2 stops9h 44m
Deal found 8/24![American Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/68:20 am -
1 stop7h 15m
Thu 9/1010:04 am -
1 stop4h 20m
Deal found 8/21![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 8/22. 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.
Fri 9/1112:38 pm -
1 stop3h 56m
Sun 9/135:00 am -
1 stop4h 15m
Deal found 8/22![American Airlines logo]()
$548
Last-minute flights from Atlanta to KilleenDiscover last-minute flight deals from Atlanta to Killeen. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Killeen. Data last updated August 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 8/286:10 am -
1 stop4h 19m
Sun 8/309:59 am -
1 stop5h 32m
Deal found 8/25![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/66:00 am -
2 stops9h 35m
Thu 9/1012:47 pm -
1 stop5h 34m
Deal found 8/21![American Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 8/22. 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 8/22![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/118:19 am -
1 stop4h 58m
Sun 9/1312:47 pm -
1 stop6h 57m
Deal found 8/25![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/1512:38 pm -
1 stop7h 07m
Tue 9/227:00 am -
1 stop6h 11m
Deal found 8/24![American Airlines logo]()
$501
One-way flights from Atlanta to KilleenSearch for one-way flight options from Atlanta to Killeen. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Atlanta to Killeen. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/183:02 pm -
1 stop4h 43m
Deal found 8/24![American Airlines logo]()
$423
This Qatar Airways deal was found by Cheapflights users on 8/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:35 pm -
2 stops48h 36m
Deal found 8/21![Multiple Airlines logo]()
$1,433
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:40 pm -
3 stops46h 05m
Deal found 8/24![Multiple Airlines logo]()
$1,533
This Qatar Airways deal was found by Cheapflights users on 8/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 pm -
2 stops48h 35m
Deal found 8/25![Multiple Airlines logo]()
$1,905
This Qatar Airways deal was found by Cheapflights users on 8/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:10 pm -
2 stops48h 35m
Deal found 8/25![Multiple Airlines logo]()
$2,095
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $452 (American Airlines) |
One-way from | $423 (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 26, 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
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Wed 10/28
2:58 pm-6:32 pm
1 stop4h 34m
Killeen Fort Hood Regional
Sun 11/1
3:07 pm-8:40 pm
1 stop4h 33m
$452
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 10/30
4:15 pm-8:52 pm
1 stop5h 37m
Killeen Fort Hood Regional
Sun 11/1
5:00 am-10:11 am
1 stop4h 11m
$483
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Thu 11/5
1:28 pm-6:11 pm
1 stop5h 43m
Killeen Fort Hood Regional
Sun 11/8
12:26 pm-8:40 pm
1 stop7h 14m
$483
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Tue 9/15
3:02 pm-6:45 pm
1 stop4h 43m
Killeen Fort Hood Regional
Tue 9/22
5:00 am-3:44 pm
2 stops9h 44m
$506
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Sun 9/6
8:20 am-2:35 pm
1 stop7h 15m
Killeen Fort Hood Regional
Thu 9/10
10:04 am-3:24 pm
1 stop4h 20m
$548
Quickest round-trip
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 9/11
12:38 pm-3:34 pm
1 stop3h 56m
Killeen Fort Hood Regional
Sun 9/13
5:00 am-10:15 am
1 stop4h 15m
$548
Cheapest one-way
Quickest one-way
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 9/18
3:02 pm-6:45 pm
1 stop4h 43m
$423
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 10/30
7:35 pm-7:11 pm
2 stops48h 36m
$1,433
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 9/18
9:40 pm-6:45 pm
3 stops46h 05m
$1,533
AtlantaKilleen
ATL Atlanta Hartsfield-Jackson - GRK Killeen Fort Hood Regional
ATLGRK
Atlanta Hartsfield-Jackson
Fri 9/11
7:10 pm-6:45 pm
2 stops48h 35m
$1,905
Showing 1-10 of 11 resultsSorted 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 typical for this route at the moment.
Atlanta to Killeen flights typically cost between $422 and $679 in October.The cheapest round-trip price found within the last 5 days was $452 on American Airlines (Oct 28-Nov 1).
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 26, 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.
Overall
7.1
Comfort
7.2
Boarding
7.5
Entertainment
6.8
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Overall
7.1
Comfort
7.2
Boarding
7.5
Entertainment
6.8
Crew
7.9
Food
6.4
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
Browse other Atlanta and Killeen flight options. Last updated on August 26, 2026.
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Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$316 | Average$454 | FlexibilityNo cancel fee | On-time71% |