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Cheap flights from Chicago to Killeen from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Killeen departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago to Killeen

Cheap round-trip flights

American Airlines Logo
6:45 pm - 11:22 pmORD-GRK
4h 37m1 stop
American Airlines Logo
5:24 am - 9:28 amGRK-ORD
4h 04m1 stop
$515American Airlines
Find Deal
Sat, Mar 14 - Wed, Mar 18
American Airlines Logo
6:45 pm - 11:22 pmORD-GRK
4h 37m1 stop
American Airlines Logo
6:32 am - 6:00 pmGRK-ORD
11h 28m2 stops
$650American Airlines
Find Deal
Sat, Mar 14 - Wed, Mar 18
American Airlines Logo
10:15 am - 3:48 pmORD-GRK
5h 33m1 stop
American Airlines Logo
6:43 pm - 7:30 amGRK-ORD
12h 47m2 stops
$684American Airlines
Find Deal
Sat, Mar 14 - Wed, Mar 18

American Airlines flights from Chicago to Killeen

Our best American Airlines deals on Chicago to Killeen flight tickets
American Airlines
Mar 14
ORD6:45 pmChicago O'Hare Intl
4h 37m
1 stop
GRK11:22 pmKilleen Fort Hood Regional
Mar 18
GRK5:24 amKilleen Fort Hood Regional
4h 04m
1 stop
ORD9:28 amChicago O'Hare Intl
$515
Find similar
American Airlines
Mar 14
ORD6:45 pmChicago O'Hare Intl
4h 37m
1 stop
GRK11:22 pmKilleen Fort Hood Regional
Mar 18
GRK6:32 amKilleen Fort Hood Regional
11h 28m
2 stops
ORD6:00 pmChicago O'Hare Intl
$650
Find similar
American Airlines
Mar 14
ORD10:15 amChicago O'Hare Intl
5h 33m
1 stop
GRK3:48 pmKilleen Fort Hood Regional
Mar 18
GRK6:43 pmKilleen Fort Hood Regional
12h 47m
2 stops
ORD7:30 amChicago O'Hare Intl
$684
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

Price

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 3/14

6:45 pm-11:22 pm

1 stop4h 37m

Killeen Fort Hood Regional

Wed 3/18

6:32 am-6:00 pm

2 stops11h 28m

$650

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 3/14

10:15 am-3:48 pm

1 stop5h 33m

Killeen Fort Hood Regional

Wed 3/18

6:43 pm-7:30 am

2 stops12h 47m

$684

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Fri 10/3

3:08 pm-10:32 pm

1 stop7h 24m

$277

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Thu 10/2

5:00 pm-11:27 pm

1 stop6h 27m

$279

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Fri 10/3

12:00 pm-10:32 pm

2 stops10h 32m

$438

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 10/4

7:05 am-10:45 pm

2 stops15h 40m

$527

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Thu 10/2

3:20 pm-11:27 pm

2 stops8h 07m

$601

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Killeen from

How to get the cheapest flight ticket from Chicago to Killeen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Killeen?

On average, the least expensive day to fly to Killeen from Chicago is on a Saturday. momondo users have found tickets for Saturday departures for as low as $376. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Killeen is Sunday, with ticket prices averaging around $464.

What is the cheapest time of day to depart on your flight to Killeen?

According to our data, the cheapest time of day to fly to Killeen is in the afternoon. momondo users have found flights departing from Chicago to Killeen in the afternoon for as low as $400. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Killeen are more costly in the morning, with an average ticket price of $458. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Chicago to Killeen

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Killeen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Killeen (CHI to GRK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Killeen

Direct flights

None
There are no direct flights from Chicago to Killeen. There are no popular flight routes from Chicago to Killeen.
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  • How far is Chicago to Killeen Fort Hood Regional by plane?

    There are 929.2 mi between Chicago and Killeen Fort Hood Regional. A reasonable flight in good conditions will take 4h 37m.

  • When did momondo last update prices for flights from Chicago to Killeen Fort Hood Regional Airport?

    Prices for flights from Chicago to Killeen Fort Hood Regional Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Killeen Fort Hood Regional Airport?

  • How old do you have to be to fly from Chicago to Killeen Fort Hood Regional Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Killeen Fort Hood Regional Airport.

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The required travel and health documents for your Killeen Fort Hood Regional Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Killeen Fort Hood Regional Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago to Killeen?

Best airlines flying from Chicago to Killeen

Compare and see reviews for airlines that fly from Chicago to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Salado
Copperas Cove
Fort Hood

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Killeen?

Finding the right flight to Killeen from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Killeen quick and easy, saving you time and money.

Can I find flights from Chicago to Killeen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Killeen flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Killeen?

momondo helps you find the best flight between Chicago and Killeen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Killeen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Killeen, momondo offers a useful price alert feature which will track prices for flights to Killeen from Chicago and alert you when they change.

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