Cheap flights from Killeen to Chicago from $225

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 9/21. 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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Cheap round-trip flights

American Airlines Logo
7:45 am - 1:46 pmGRK-ORD
6h 01m1 stop
American Airlines Logo
5:17 pm - 9:33 pmORD-GRK
4h 16m1 stop
$417American Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
American Airlines Logo
6:13 pm - 11:13 pmGRK-ORD
5h 00m1 stop
American Airlines Logo
5:00 am - 10:06 amORD-GRK
5h 06m1 stop
$537American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
4:40 pm - 11:59 pmGRK-ORD
7h 19m1 stop
American Airlines Logo
1:19 pm - 7:43 pmORD-GRK
6h 24m1 stop
$735American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
4:40 pm - 11:59 pmGRK-ORD
7h 19m1 stop
American Airlines Logo
6:30 pm - 11:27 pmORD-GRK
4h 57m1 stop
$746American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
5:16 am - 11:27 amGRK-ORD
6h 11m2 stops
American Airlines Logo
5:17 pm - 9:33 pmORD-GRK
4h 16m1 stop
$800American Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
American Airlines Logo
4:40 pm - 9:45 pmGRK-ORD
5h 05m1 stop
American Airlines Logo
5:22 pm - 11:27 pmORD-GRK
6h 05m2 stops
$837American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
4:40 pm - 11:59 pmGRK-ORD
7h 19m1 stop
American Airlines Logo
5:05 pm - 11:27 pmORD-GRK
6h 22m2 stops
$866American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
11:34 am - 6:02 pmGRK-ORD
6h 28m2 stops
American Airlines Logo
5:22 pm - 11:27 pmORD-GRK
6h 05m2 stops
$1,039American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
11:34 am - 6:02 pmGRK-ORD
6h 28m2 stops
American Airlines Logo
5:05 pm - 11:27 pmORD-GRK
6h 22m2 stops
$1,079American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14

American Airlines flights from Killeen to Chicago

Our best American Airlines deals on Killeen to Chicago flight tickets
American Airlines
Oct 11
GRK7:45 amKilleen Fort Hood Regional
6h 01m
1 stop
ORD1:46 pmChicago O'Hare Intl
Oct 18
ORD5:17 pmChicago O'Hare Intl
4h 16m
1 stop
GRK9:33 pmKilleen Fort Hood Regional
American Airlines
Sep 5
GRK4:40 pmKilleen Fort Hood Regional
5h 05m
1 stop
ORD9:45 pmChicago O'Hare Intl
Sep 7
ORD6:30 pmChicago O'Hare Intl
4h 57m
1 stop
GRK11:27 pmKilleen Fort Hood Regional
American Airlines
Oct 9
GRK6:13 pmKilleen Fort Hood Regional
5h 00m
1 stop
ORD11:13 pmChicago O'Hare Intl
Oct 13
ORD5:00 amChicago O'Hare Intl
5h 06m
1 stop
GRK10:06 amKilleen Fort Hood Regional

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to Chicago 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 August 28, 2025.
Use the filters below to find and compare flights from Killeen to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 10/11

7:45 am-1:46 pm

1 stop6h 01m

Chicago O'Hare Intl

Sat 10/18

5:17 pm-9:33 pm

1 stop4h 16m

$417

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-11:13 pm

1 stop5h 00m

Chicago O'Hare Intl

Mon 10/13

5:00 am-10:06 am

1 stop5h 06m

$537

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

4:40 pm-11:59 pm

1 stop7h 19m

Chicago O'Hare Intl

Sun 9/14

1:19 pm-7:43 pm

1 stop6h 24m

$735

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

4:40 pm-11:59 pm

1 stop7h 19m

Chicago O'Hare Intl

Sun 9/14

6:30 pm-11:27 pm

1 stop4h 57m

$746

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 10/11

5:16 am-11:27 am

2 stops6h 11m

Chicago O'Hare Intl

Sat 10/18

5:17 pm-9:33 pm

1 stop4h 16m

$800

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

4:40 pm-9:45 pm

1 stop5h 05m

Chicago O'Hare Intl

Sun 9/14

5:22 pm-11:27 pm

2 stops6h 05m

$837

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

4:40 pm-11:59 pm

1 stop7h 19m

Chicago O'Hare Intl

Sun 9/14

5:05 pm-11:27 pm

2 stops6h 22m

$866

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

11:34 am-6:02 pm

2 stops6h 28m

Chicago O'Hare Intl

Sun 9/14

5:22 pm-11:27 pm

2 stops6h 05m

$1,039

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 9/12

11:34 am-6:02 pm

2 stops6h 28m

Chicago O'Hare Intl

Sun 9/14

5:05 pm-11:27 pm

2 stops6h 22m

$1,079

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sun 9/21

4:32 pm-11:17 pm

1 stop6h 45m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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 time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Killeen to Chicago during this time can be as low as $346. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $458.

When to book flights from Killeen to Chicago

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

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

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

Direct flights

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

    Chicago is 929.2 mi away from Killeen Fort Hood Regional. By plane, this route typically takes 5h 00m.

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

    Prices for flights from Killeen Fort Hood Regional Airport to Chicago are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Killeen Fort Hood Regional Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Killeen to Chicago

Compare and see reviews for airlines that fly from Killeen to Chicago with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $337Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

Yes. momondo enables you to select and highlight flights to Chicago from Killeen with this policy.

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

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1 adult
Tue 9/2
Tue 9/9

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago