$192 Cheap Flights from Chicago (ORD) to Killeen (GRK)

View $192 flight on Wed, Feb 25, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

Cheap Flights from Chicago to Killeen (ORD-GRK)

Prices were available within the past 7 days and start at $192 for one-way flights and $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 13 - Mon, Dec 15
ORD
Chicago
GRK
Killeen
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Killeen, returning Mon, Dec 15, priced at $383 found 1 day ago
American Airlines
Fri, Nov 21 - Fri, Nov 28
ORD
Chicago
GRK
Killeen
$397 Roundtrip, found 5 days ago
$397
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Nov 21 from Chicago to Killeen, returning Fri, Nov 28, priced at $397 found 5 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
ORD
Chicago
GRK
Killeen
$410 Roundtrip, found 1 day ago
$410
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Killeen, returning Mon, Dec 15, priced at $410 found 1 day ago
American Airlines
Wed, Nov 26 - Fri, Nov 28
ORD
Chicago
GRK
Killeen
$411 Roundtrip, found 1 day ago
$411
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 26 from Chicago to Killeen, returning Fri, Nov 28, priced at $411 found 1 day ago
American Airlines
Fri, Nov 21 - Fri, Nov 28
ORD
Chicago
GRK
Killeen
$424 Roundtrip, found 5 days ago
$424
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Nov 21 from Chicago to Killeen, returning Fri, Nov 28, priced at $424 found 5 days ago
American Airlines
Sat, Nov 15 - Sat, Nov 22
ORD
Chicago
GRK
Killeen
$429 Roundtrip, found 2 days ago
$429
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Nov 15 from Chicago to Killeen, returning Sat, Nov 22, priced at $429 found 2 days ago
American Airlines
Thu, Dec 25 - Thu, Jan 8
ORD
Chicago
GRK
Killeen
$434 Roundtrip, found 3 days ago
$434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Dec 25 from Chicago to Killeen, returning Thu, Jan 8, priced at $434 found 3 days ago
American Airlines
Wed, Nov 26 - Fri, Nov 28
ORD
Chicago
GRK
Killeen
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 26 from Chicago to Killeen, returning Fri, Nov 28, priced at $440 found 1 day ago
American Airlines
Thu, Dec 25 - Tue, Jan 6
ORD
Chicago
GRK
Killeen
$444 Roundtrip, found 3 days ago
$444
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Dec 25 from Chicago to Killeen, returning Tue, Jan 6, priced at $444 found 3 days ago
American Airlines
Tue, Nov 11 - Tue, Nov 18
ORD
Chicago
GRK
Killeen
$447 Roundtrip, found 6 days ago
$447
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Nov 11 from Chicago to Killeen, returning Tue, Nov 18, priced at $447 found 6 days ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK) cost?
Secure a cheap one-way flight from $192 or cheap return flight from $383 from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK)?
December is the cheapest month to fly from ORD to GRK. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from ORD to GRK. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK)?
You'll need to hop on a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ORD to GRK?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Booking your flight from ORD to GRK just before your journey is generally more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to GRK flight and hotel package?
Securing an ORD to GRK flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Killeen-Fort Hood Regional Airport (GRK)?
In most cases, you're able to cancel or reschedule your ORD to GRK flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Killeen-Fort Hood Regional
Airlines serving
American Airlines
Roundtrip price
$382
Distance
932 mi

Book with confidence

Chicago to Killeen Flights

The cheapest times to fly from Chicago to Killeen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Killeen are during the month of December. You can find some of the cheapest flights from Chicago to Killeen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Killeen

Sunday is one of the best days to book for cheap flights from Chicago to Killeen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Killeen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $192 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Killeen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Killeen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Killeen Flights

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*Available to One Key members.