$259+ Cheap flights from Chicago (CHI) to Killeen (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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GRK
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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 Chicago to Killeen
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One-way
Cheapest flights from Chicago to KilleenExplore the most affordable flight options available from Chicago to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Chicago to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/110:03 am -
1 stop4h 41m
Thu 12/37:00 am -
1 stop7h 12m
Deal found 9/16![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 9/19. 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 9/233:00 pm -
1 stop6h 17m
Sat 9/2612:47 pm -
1 stop6h 49m
Deal found 9/19![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/155:00 am -
1 stop4h 23m
Mon 10/197:02 pm -
1 stop4h 57m
Deal found 9/16![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/185:00 am -
1 stop6h 58m
Sun 10/253:16 pm -
1 stop6h 54m
Deal found 9/20![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 9/245:00 am -
1 stop4h 18m
Fri 9/254:09 pm -
1 stop5h 00m
Deal found 9/17![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 9/15. 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 12/249:16 am -
1 stop5h 02m
Sat 1/26:50 pm -
1 stop5h 09m
Deal found 9/15![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 11/1011:45 am -
2 stops6h 37m
Thu 12/103:07 pm -
1 stop4h 53m
Deal found 9/16![American Airlines logo]()
$945
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 11/1011:45 am -
2 stops6h 37m
Thu 11/126:43 pm -
1 stop4h 32m
Deal found 9/17![American Airlines logo]()
$955
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/3011:00 am -
1 stop4h 34m
Wed 10/712:28 pm -
2 stops6h 37m
Deal found 9/16![American Airlines logo]()
$976
Best flights from Chicago to KilleenDiscover carefully curated flight deals from Chicago to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Chicago to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 11/101:44 pm -
1 stop4h 38m
Thu 12/1012:26 pm -
1 stop7h 34m
Deal found 9/16![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 11/106:59 am -
1 stop4h 56m
Thu 11/125:00 am -
1 stop5h 05m
Deal found 9/17![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 9/20. 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 12/110:03 am -
1 stop4h 41m
Thu 12/37:00 am -
1 stop7h 12m
Deal found 9/20![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/306:00 am -
1 stop6h 17m
Wed 10/75:00 am -
1 stop5h 00m
Deal found 9/16![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/185:00 am -
1 stop6h 58m
Sun 10/253:16 pm -
1 stop6h 54m
Deal found 9/20![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 9/15. 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 12/249:16 am -
1 stop5h 02m
Sat 1/26:50 pm -
1 stop5h 09m
Deal found 9/15![American Airlines logo]()
$530
Last-minute flights from Chicago to KilleenDiscover last-minute flight deals from Chicago to Killeen. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Killeen. Data last updated September 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/19. 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 9/233:00 pm -
1 stop6h 17m
Sat 9/2612:47 pm -
1 stop6h 49m
Deal found 9/19![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 9/245:00 am -
1 stop4h 18m
Fri 9/254:09 pm -
1 stop5h 00m
Deal found 9/17![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/3011:00 am -
1 stop4h 34m
Wed 10/712:28 pm -
2 stops6h 37m
Deal found 9/16![American Airlines logo]()
$976
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/155:00 am -
1 stop4h 23m
Mon 10/197:02 pm -
1 stop4h 57m
Deal found 9/16![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/185:00 am -
1 stop6h 58m
Sun 10/253:16 pm -
1 stop6h 54m
Deal found 9/20![American Airlines logo]()
$467
One-way flights from Chicago to KilleenSearch for one-way flight options from Chicago to Killeen. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Chicago to Killeen. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/17:09 am -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$259
This Qatar Airways deal was found by Cheapflights users on 9/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:50 pm -
2 stops47h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Qatar Airways logo]()
$1,315
This Qatar Airways deal was found by Cheapflights users on 9/19. 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 11/86:50 pm -
2 stops47h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Qatar Airways logo]()
$1,824
Find flight deals from Chicago to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $407 (American Airlines) |
One-way from | $259 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 September 20, 2026.
Use the filters below to find and compare flights from Chicago to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Thu 10/1
7:09 am-2:34 pm
1 stop7h 25m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Tue 11/10
1:44 pm-6:22 pm
1 stop4h 38m
Killeen Fort Hood Regional
Thu 12/10
12:26 pm-8:00 pm
1 stop7h 34m
$407
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Tue 11/10
6:59 am-11:55 am
1 stop4h 56m
Killeen Fort Hood Regional
Thu 11/12
5:00 am-10:05 am
1 stop5h 05m
$407
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Tue 12/1
10:03 am-2:44 pm
1 stop4h 41m
Killeen Fort Hood Regional
Thu 12/3
7:00 am-2:12 pm
1 stop7h 12m
$407
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Wed 9/30
6:00 am-12:17 pm
1 stop6h 17m
Killeen Fort Hood Regional
Wed 10/7
5:00 am-10:00 am
1 stop5h 00m
$443
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Sun 10/18
5:00 am-11:58 am
1 stop6h 58m
Killeen Fort Hood Regional
Sun 10/25
3:16 pm-10:10 pm
1 stop6h 54m
$467
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Thu 12/24
9:16 am-2:18 pm
1 stop5h 02m
Killeen Fort Hood Regional
Sat 1/2
6:50 pm-11:59 pm
1 stop5h 09m
$530
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Fri 11/13
6:50 pm-6:11 pm
2 stops47h 21m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$1,315
ChicagoKilleen
ORD Chicago O'Hare Intl - GRK Killeen Fort Hood Regional
ORDGRK
Chicago O'Hare Intl
Sun 11/8
6:50 pm-6:22 pm
2 stops47h 32m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$1,824
Sorted by cheapest first
Compare providers for flights from Chicago 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 Chicago to Killeen in September.
| 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 Chicago-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-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 Chicago-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 Chicago to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Chicago with our price prediction graph.
CHI-GRK
ORD-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 Chicago to Killeen
CHI-GRK
ORD-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 Chicago 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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