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Cheap flights from Killeen to Chicago from $159

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 3/4. 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
0 bags

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Find the cheapest flights from Killeen to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 1:57 pm
GRK
-
ORD
6h 57m
1 stop
American Airlines Logo
6:10 am - 11:26 am
ORD
-
GRK
5h 16m
1 stop
$317American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
6:33 pm - 11:36 pm
GRK
-
ORD
5h 03m
1 stop
American Airlines Logo
6:10 am - 11:31 am
ORD
-
GRK
5h 21m
1 stop
$364American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
3:54 pm - 10:00 pm
GRK
-
ORD
6h 06m
1 stop
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$457American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
3:54 pm - 10:45 pm
GRK
-
ORD
6h 51m
1 stop
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$490American Airlines
Fri, Apr 10 - Sun, Apr 12
American Airlines Logo
3:54 pm - 10:00 pm
GRK
-
ORD
6h 06m
1 stop
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$522American Airlines
Fri, Apr 10 - Sun, Apr 12
American Airlines Logo
7:09 pm - 8:45 am
GRK
-
ORD
13h 36m
2 stops
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$542American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
7:09 pm - 8:45 am
GRK
-
ORD
13h 36m
2 stops
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$567American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
7:09 pm - 8:45 am
GRK
-
ORD
13h 36m
2 stops
American Airlines Logo
5:00 am - 9:35 am
ORD
-
GRK
4h 35m
1 stop
$575American Airlines
Fri, Apr 10 - Sun, Apr 12
American Airlines Logo
6:33 pm - 11:36 pm
GRK
-
ORD
5h 03m
1 stop
American Airlines Logo
2:42 pm - 10:03 pm
ORD
-
GRK
7h 21m
2 stops
$730American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
12:01 pm - 7:00 pm
GRK
-
ORD
6h 59m
2 stops
American Airlines Logo
6:10 am - 11:31 am
ORD
-
GRK
5h 21m
1 stop
$752American Airlines
Tue, Mar 3 - Tue, Mar 10

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
Mar 4
GRK7:00 amKilleen Fort Hood Regional
6h 57m
1 stop
ORD1:57 pmChicago O'Hare Intl
Mar 11
ORD6:10 amChicago O'Hare Intl
5h 16m
1 stop
GRK11:26 amKilleen Fort Hood Regional
$317
American Airlines
Mar 3
GRK6:33 pmKilleen Fort Hood Regional
5h 03m
1 stop
ORD11:36 pmChicago O'Hare Intl
Mar 10
ORD6:10 amChicago O'Hare Intl
5h 21m
1 stop
GRK11:31 amKilleen Fort Hood Regional
$364
American Airlines
Apr 10
GRK3:54 pmKilleen Fort Hood Regional
6h 51m
1 stop
ORD10:45 pmChicago O'Hare Intl
Apr 14
ORD10:41 amChicago O'Hare Intl
4h 43m
1 stop
GRK3:24 pmKilleen Fort Hood Regional
$457

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 February 5, 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

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 3/4

7:00 am-1:57 pm

1 stop6h 57m

Chicago O'Hare Intl

Wed 3/11

6:10 am-11:26 am

1 stop5h 16m

$317

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 3/3

6:33 pm-11:36 pm

1 stop5h 03m

Chicago O'Hare Intl

Tue 3/10

6:10 am-11:31 am

1 stop5h 21m

$364

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-10:00 pm

1 stop6h 06m

Chicago O'Hare Intl

Mon 4/13

5:00 am-9:35 am

1 stop4h 35m

$457

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-10:45 pm

1 stop6h 51m

Chicago O'Hare Intl

Sun 4/12

5:00 am-9:35 am

1 stop4h 35m

$490

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-10:00 pm

1 stop6h 06m

Chicago O'Hare Intl

Sun 4/12

5:00 am-9:35 am

1 stop4h 35m

$522

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

7:09 pm-8:45 am

2 stops13h 36m

Chicago O'Hare Intl

Mon 4/13

5:00 am-9:35 am

1 stop4h 35m

$542

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

7:09 pm-8:45 am

2 stops13h 36m

Chicago O'Hare Intl

Mon 4/13

5:00 am-9:35 am

1 stop4h 35m

$567

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

7:09 pm-8:45 am

2 stops13h 36m

Chicago O'Hare Intl

Sun 4/12

5:00 am-9:35 am

1 stop4h 35m

$575

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 3/4

6:33 pm-11:36 pm

1 stop5h 03m

Chicago O'Hare Intl

Wed 3/11

2:42 pm-10:03 pm

2 stops7h 21m

$730

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 3/3

12:01 pm-7:00 pm

2 stops6h 59m

Chicago O'Hare Intl

Tue 3/10

6:10 am-11:31 am

1 stop5h 21m

$752

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 47% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 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 03m

Direct flights

None
The fastest flight from Killeen to Chicago O'Hare Intl Airport takes 5h 03m
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

  • 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 03m 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 many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Chicago O'Hare Intl Airport?

  • 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.

  • What is the most popular airline from Killeen to Chicago O'Hare Intl Airport?

Best airlines flying from Killeen to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Killeen to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $317Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights

Traveling to a place near Chicago?

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