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Cheap flights from Killeen to Chicago from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Chicago departing on 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Killeen to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:56 pm - 12:50 am
GRK
-
ORD
4h 54m
1 stop
American Airlines Logo
5:00 am - 12:23 pm
ORD
-
GRK
7h 23m
1 stop
$357American Airlines
Wed, Jul 22 - Wed, Jul 29
American Airlines Logo
5:00 am - 10:08 am
GRK
-
ORD
5h 08m
1 stop
American Airlines Logo
8:05 am - 2:34 pm
ORD
-
GRK
6h 29m
1 stop
$380American Airlines
Thu, Sep 10 - Sun, Sep 20
American Airlines Logo
7:24 pm - 12:50 am
GRK
-
ORD
5h 26m
1 stop
American Airlines Logo
12:05 pm - 6:54 pm
ORD
-
GRK
6h 49m
1 stop
$543American Airlines
Thu, Jul 23 - Mon, Jul 27
American Airlines Logo
3:08 pm - 10:15 pm
GRK
-
ORD
7h 07m
1 stop
American Airlines Logo
5:00 am - 12:12 pm
ORD
-
GRK
7h 12m
1 stop
$580American Airlines
Mon, Jul 20 - Mon, Jul 27
American Airlines Logo
3:08 pm - 10:15 pm
GRK
-
ORD
7h 07m
1 stop
American Airlines Logo
7:00 am - 12:23 pm
ORD
-
GRK
5h 23m
1 stop
$938American Airlines
Fri, Jul 10 - Tue, Jul 14
American Airlines Logo
3:09 pm - 8:30 pm
GRK
-
ORD
5h 21m
1 stop
American Airlines Logo
6:42 am - 12:17 pm
ORD
-
GRK
5h 35m
2 stops
$939American Airlines
Thu, Sep 10 - Sun, Sep 20
American Airlines Logo
3:08 pm - 8:29 pm
GRK
-
ORD
5h 21m
1 stop
American Airlines Logo
8:16 am - 2:38 pm
ORD
-
GRK
6h 22m
2 stops
$957American Airlines
Mon, Jul 20 - Mon, Jul 27
American Airlines Logo
3:08 pm - 8:29 pm
GRK
-
ORD
5h 21m
1 stop
American Airlines Logo
8:16 am - 2:38 pm
ORD
-
GRK
6h 22m
2 stops
$962American Airlines
Mon, Jul 20 - Mon, Jul 27
American Airlines Logo
3:08 pm - 8:29 pm
GRK
-
ORD
5h 21m
1 stop
American Airlines Logo
8:16 am - 2:38 pm
ORD
-
GRK
6h 22m
2 stops
$1,026American Airlines
Thu, Jul 23 - Mon, Jul 27
American Airlines Logo
5:00 am - 11:11 am
GRK
-
ORD
6h 11m
2 stops
American Airlines Logo
8:30 am - 2:38 pm
ORD
-
GRK
6h 08m
1 stop
$1,045American Airlines
Mon, Jul 20 - Mon, Jul 27

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American Airlines flights from Killeen to Chicago O'Hare Intl Airport

Our best American Airlines deals on Killeen to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jul 22
GRK7:56 pmKilleen Fort Hood Regional
4h 54m
1 stop
ORD12:50 amChicago O'Hare Intl
Jul 29
ORD5:00 amChicago O'Hare Intl
7h 23m
1 stop
GRK12:23 pmKilleen Fort Hood Regional
$357
American Airlines
Sep 10
GRK5:00 amKilleen Fort Hood Regional
5h 08m
1 stop
ORD10:08 amChicago O'Hare Intl
Sep 20
ORD8:05 amChicago O'Hare Intl
6h 29m
1 stop
GRK2:34 pmKilleen Fort Hood Regional
$380
American Airlines
Jul 23
GRK7:24 pmKilleen Fort Hood Regional
5h 26m
1 stop
ORD12:50 amChicago O'Hare Intl
Jul 27
ORD12:05 pmChicago O'Hare Intl
6h 49m
1 stop
GRK6:54 pmKilleen Fort Hood Regional
$543

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to Chicago O'Hare Intl Airport 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 June 27, 2026.
Use the filters below to find and compare flights from Killeen to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 7/22

7:56 pm-12:50 am

1 stop4h 54m

Chicago O'Hare Intl

Wed 7/29

5:00 am-12:23 pm

1 stop7h 23m

$357

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 9/10

5:00 am-10:08 am

1 stop5h 08m

Chicago O'Hare Intl

Sun 9/20

8:05 am-2:34 pm

1 stop6h 29m

$380

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 7/23

7:24 pm-12:50 am

1 stop5h 26m

Chicago O'Hare Intl

Mon 7/27

12:05 pm-6:54 pm

1 stop6h 49m

$543

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

3:08 pm-10:15 pm

1 stop7h 07m

Chicago O'Hare Intl

Mon 7/27

5:00 am-12:12 pm

1 stop7h 12m

$580

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 7/10

3:08 pm-10:15 pm

1 stop7h 07m

Chicago O'Hare Intl

Tue 7/14

7:00 am-12:23 pm

1 stop5h 23m

$938
Quickest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 9/10

3:09 pm-8:30 pm

1 stop5h 21m

Chicago O'Hare Intl

Sun 9/20

6:42 am-12:17 pm

2 stops5h 35m

$939

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

3:08 pm-8:29 pm

1 stop5h 21m

Chicago O'Hare Intl

Mon 7/27

8:16 am-2:38 pm

2 stops6h 22m

$957

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

3:08 pm-8:29 pm

1 stop5h 21m

Chicago O'Hare Intl

Mon 7/27

8:16 am-2:38 pm

2 stops6h 22m

$962

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 7/23

3:08 pm-8:29 pm

1 stop5h 21m

Chicago O'Hare Intl

Mon 7/27

8:16 am-2:38 pm

2 stops6h 22m

$1,026

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

5:00 am-11:11 am

2 stops6h 11m

Chicago O'Hare Intl

Mon 7/27

8:30 am-2:38 pm

1 stop6h 08m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Killeen to Chicago O'Hare Intl Airport

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 airline that flies from Killeen Fort Hood Regional to Chicago O'Hare Intl?

American Airlines is the most popular carrier operating from Killeen Fort Hood Regional to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Killeen according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to Chicago O'Hare Intl Airport

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

Cheap Killeen to Chicago O'Hare Intl Airport (GRK to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Chicago O'Hare Intl Airport

Fastest flight time

5h 21m

Direct flights

None
The fastest flight from Killeen to Chicago O'Hare Intl Airport takes 5h 21m
There are no direct flights from Killeen to Chicago O'Hare Intl Airport. There are no popular flight routes from Killeen to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Killeen to Chicago O'Hare Intl Airport

  • How far is Killeen Fort Hood Regional to Chicago O'Hare Intl by plane?

    A flight from Killeen Fort Hood Regional to Chicago O'Hare Intl will travel around 925.6 mi. Typically, this will take 5h 21m by plane in normal conditions.

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

    Prices for flights from Killeen Fort Hood Regional Airport to Chicago O'Hare Intl Airport refresh daily.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Chicago O'Hare Intl 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 Killeen Fort Hood Regional Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
South Holland

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Killeen to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Killeen to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Killeen to Chicago.

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

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

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