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Killeen

$437+ Cheap flights from O'Hare Intl (ORD) 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.
ORD — GRK
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 11, 2025.

Round-trip from

$437
(American Airlines)

Popular in

May

Cheapest in

July

Average price

$499
From Chicago O'Hare Intl to Killeen Fort Hood Regional
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Highest demand for flights based on searches. 15% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from O'Hare Intl to Killeen

Cheapest flights from O'Hare Intl to Killeen
Explore the most affordable flight options available from O'Hare Intl to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 stop7h 04mAmerican Airlines
Sun 10/266:13 pmGRK - ORD
1 stop5h 00mAmerican Airlines
Deal found 9/10$437
This American Airlines deal was found by Cheapflights users on 9/11. 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
Tue 9/164:40 pmGRK - ORD
1 stop7h 19mAmerican Airlines
Deal found 9/11$443
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/11$486
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/3112:03 pmORD - GRK
1 stop5h 40mAmerican Airlines
Sun 11/26:53 pmGRK - ORD
1 stop4h 38mAmerican Airlines
Deal found 9/9$503
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/306:45 amORD - GRK
1 stop5h 19mAmerican Airlines
Sun 11/25:05 amGRK - ORD
1 stop4h 54mAmerican Airlines
Deal found 9/9$507
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/206:30 pmORD - GRK
1 stop4h 15mAmerican Airlines
Sat 9/275:16 amGRK - ORD
2 stops7h 22mAmerican Airlines
Deal found 9/10$758
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/128:34 pmORD - GRK
1 stop13h 13mAmerican Airlines
Thu 9/184:32 pmGRK - ORD
1 stop7h 20mAmerican Airlines
Deal found 9/11$975
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/128:34 pmORD - GRK
1 stop13h 13mAmerican Airlines
Mon 9/154:40 pmGRK - ORD
1 stop6h 37mAmerican Airlines
Deal found 9/11$987

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Killeen that are best for you.

Fly from

O'Hare Intl

Fly to

Killeen

Route

Depart

Return

Price

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sun 10/19

5:00 am-12:04 pm

1 stop7h 04m

Killeen Fort Hood Regional

Sun 10/26

6:13 pm-11:13 pm

1 stop5h 00m

$437

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Fri 10/31

12:03 pm-5:43 pm

1 stop5h 40m

Killeen Fort Hood Regional

Sun 11/2

6:53 pm-11:31 pm

1 stop4h 38m

$503

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Thu 10/30

6:45 am-12:04 pm

1 stop5h 19m

Killeen Fort Hood Regional

Sun 11/2

5:05 am-9:59 am

1 stop4h 54m

$507

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sun 12/28

10:53 am-10:29 pm

2 stops11h 36m

$498

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 12/27

1:16 pm-8:33 pm

1 stop7h 17m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from O'Hare Intl to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from O'Hare Intl 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 O'Hare Intl Airport to Killeen

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Killeen?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Killeen (average of $316). Flying from Chicago O'Hare Intl Airport 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 11, 2025.
Peruse reviews from past customers who have flown with American Airlines from Chicago O'Hare Intl Airport to Killeen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

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

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

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 O'Hare Intl 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 O'Hare Intl?

    Most people fly into Killeen Fort Hood Regional (GRK) if they book a flight to Killeen from Chicago O'Hare Intl. On average, Fort Hood Regional has 0 inbound flights from Chicago O'Hare Intl per day from 1 airline. Killeen Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Killeen?

    American Airlines can get you from Chicago O'Hare Intl Airport to Killeen in just under 7h 04m. Your travel time can differ by up to . The distance between Chicago O'Hare Intl Airport and Killeen is about 932 mi.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Killeen round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Killeen is American Airlines. Our recent data shows that you can find tickets from as low as $234 on this airline. American Airlines is currently priced 45% below the average price you’ll pay for this route.

  • Can I find deals for flights from O'Hare Intl to Killeen that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Killeen?

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

  • Can I find deals for business class flights from O'Hare Intl to Killeen?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Killeen?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Killeen (average of $316). Flying from Chicago O'Hare Intl Airport 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

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Top airline flying from O'Hare Intl to Killeen

Discover the top airline that operate flights from O'Hare Intl 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$234Average$442FlexibilityNo cancel feeOn-time71%

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