HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Killeen

$437+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GRK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 15, 2025.

Round-trip from

$437
(American Airlines)
From Chicago (CHI) to Killeen Fort Hood Regional
Search Deals

Find flight deals from Chicago to Killeen

Cheapest flights from Chicago to Killeen
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 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 10/195:00 amORD - GRK
1 stop5h 06mAmerican Airlines
Sun 10/266:13 pmGRK - ORD
1 stop5h 40mAmerican Airlines
Deal found 9/13$437
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/136:30 pmORD - GRK
1 stop4h 15mAmerican Airlines
Tue 9/164:40 pmGRK - ORD
1 stop5h 05mAmerican Airlines
Deal found 9/12$513
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/135:16 pmORD - GRK
1 stop5h 29mAmerican Airlines
Mon 9/154:40 pmGRK - ORD
1 stop7h 19mAmerican Airlines
Deal found 9/12$556
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/1410:00 pmORD - GRK
2 stops11h 47mAmerican Airlines
Tue 9/164:40 pmGRK - ORD
1 stop7h 19mAmerican Airlines
Deal found 9/12$784
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/1510:00 pmORD - GRK
2 stops13h 04mAmerican Airlines
Thu 9/184:32 pmGRK - ORD
1 stop7h 20mAmerican Airlines
Deal found 9/12$787
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/158:41 pmORD - GRK
2 stops14h 23mAmerican Airlines
Tue 9/164:40 pmGRK - ORD
1 stop5h 05mAmerican Airlines
Deal found 9/12$814

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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Chicago to Killeen that are best for you.

Fly from

Chicago

Fly to

Killeen

Route

Depart

Return

Price

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sun 10/19

5:00 am-10:06 am

1 stop5h 06m

Killeen Fort Hood Regional

Sun 10/26

6:13 pm-11:53 pm

1 stop5h 40m

$437

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 3/14

6:45 pm-11:22 pm

1 stop4h 37m

Killeen Fort Hood Regional

Wed 3/18

5:24 am-9:28 am

1 stop4h 04m

$515

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 12/27

8:20 pm-9:51 am

2 stops13h 31m

$489

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sun 12/28

10:53 am-10:29 pm

2 stops11h 36m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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.
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

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

Currently, January is the cheapest month in which you can book a flight from Chicago to Killeen (average of $316). Flying from Chicago to Killeen in December is currently the most expensive (average of $468). 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.

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 September 15, 2025.
See what other customers who have flown with American Airlines from Chicago to Killeen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

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.

  • What airport do you fly into for flights to Killeen from Chicago?

    Killeen Fort Hood Regional (GRK), located 6.9 mi from the city center, is the airport you fly into when you book flights from Chicago to Killeen. 1 airline have flights to Fort Hood Regional from Chicago on a regular basis. Booking flights from Chicago to Killeen Fort Hood Regional should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Killeen?

    American Airlines can get you from Chicago to Killeen in just under 5h 06m. Your travel time can differ by up to . Airlines will cover a distance of 932 mi.

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

    Flying on American Airlines is currently your cheapest option to Killeen, with prices starting at $234.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chicago to Killeen (average of $316). Flying from Chicago to Killeen in December is currently the most expensive (average of $468). 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

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 for Chicago to Killeen

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Austin flights
O'Hare Intl to Hobby flights
O'Hare Intl to George Bush Intcntl flights
Midway to Hobby flights
O'Hare Intl to Love Field flights
St. Louis to Dallas/Fort Worth flights
Midway to Love Field flights
O'Hare Intl to San Antonio flights
Midway to George Bush Intcntl flights
Midway to Austin flights
St. Louis to Hobby flights
Moline to Dallas/Fort Worth flights
St. Louis to George Bush Intcntl flights
Midway to San Antonio flights
O'Hare Intl to El Paso flights
St. Louis to Love Field flights
St. Louis to Austin flights
St. Louis to San Antonio flights
Peoria to Dallas/Fort Worth flights
O'Hare Intl to McAllen flights
Evansville to San Antonio flights
Moline to Austin flights
Bloomington to Dallas/Fort Worth flights
Midway to El Paso flights
Moline to San Antonio flights
Peoria to Hobby flights
Peoria to San Antonio flights
Peoria to George Bush Intcntl flights
O'Hare Intl to Brownsville flights
O'Hare Intl to Midland flights
Evansville to Dallas/Fort Worth flights
St. Louis to McAllen flights
Evansville to Hobby flights
Peoria to Austin flights
O'Hare Intl to Lubbock flights
Bloomington to Hobby flights
Bloomington to San Antonio flights
Evansville to George Bush Intcntl flights
Moline to Love Field flights
Springfield to Dallas/Fort Worth flights
Bloomington to Love Field flights
Champaign to Dallas/Fort Worth flights
O'Hare Intl to Harlingen flights
Bloomington to George Bush Intcntl flights
O'Hare Intl to Corpus Christi flights
O'Hare Intl to Laredo flights
Moline to Hobby flights
St. Louis to Midland flights

Top airline flying from Chicago to Killeen

Discover the top airline that operate flights from Chicago 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$234Average$442FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.