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?

The number of operators available for flights from Killeen Fort Hood Regional Airport to Chicago O'Hare Intl Airport is 1 as of March 2026.

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.

$331 Cheap Flights from Killeen to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Killeen to Chicago

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:21 pm - 12:42 am

GRK

ORD

5h 21m

1 stop

3:50 pm - 10:44 pm

ORD

GRK

6h 54m

1 stop

$551American Airlines

Thu, May 21 - Tue, May 26

7:21 pm - 12:42 am

GRK

ORD

5h 21m

1 stop

9:40 am - 2:37 pm

ORD

GRK

4h 57m

1 stop

$563American Airlines

Fri, May 22 - Wed, May 27

7:21 pm - 12:31 am

GRK

ORD

5h 10m

1 stop

5:00 am - 9:36 am

ORD

GRK

4h 36m

1 stop

$590American Airlines

Mon, Jul 20 - Mon, Jul 27

3:07 pm - 10:10 pm

GRK

ORD

7h 03m

1 stop

7:02 am - 2:37 pm

ORD

GRK

7h 35m

1 stop

$616American Airlines

Tue, Jun 16 - Thu, Jun 18

3:54 pm - 9:13 pm

GRK

ORD

5h 19m

1 stop

5:00 am - 11:21 am

ORD

GRK

6h 21m

1 stop

$626American Airlines

Fri, Apr 10 - Tue, Apr 14

7:09 pm - 11:48 pm

GRK

ORD

4h 39m

1 stop

5:00 am - 9:35 am

ORD

GRK

4h 35m

1 stop

$627American Airlines

Fri, Apr 10 - Mon, Apr 13

7:09 pm - 8:30 am

GRK

ORD

13h 21m

2 stops

11:43 am - 6:39 pm

ORD

GRK

6h 56m

1 stop

$646American Airlines

Fri, Apr 10 - Sat, Apr 11

3:07 pm - 8:30 pm

GRK

ORD

5h 23m

1 stop

8:16 am - 2:36 pm

ORD

GRK

6h 20m

2 stops

$946American Airlines

Mon, Jul 20 - Mon, Jul 27

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

May 21

GRK7:21 pmKilleen Fort Hood Regional

5h 21m

1 stop

ORD12:42 amChicago O'Hare Intl

May 26

ORD3:50 pmChicago O'Hare Intl

6h 54m

1 stop

GRK10:44 pmKilleen Fort Hood Regional

$551

American Airlines

May 22

GRK7:21 pmKilleen Fort Hood Regional

5h 21m

1 stop

ORD12:42 amChicago O'Hare Intl

May 27

ORD9:40 amChicago O'Hare Intl

4h 57m

1 stop

GRK2:37 pmKilleen Fort Hood Regional

$563

American Airlines

Jul 20

GRK7:21 pmKilleen Fort Hood Regional

5h 10m

1 stop

ORD12:31 amChicago O'Hare Intl

Jul 27

ORD5:00 amChicago O'Hare Intl

4h 36m

1 stop

GRK9:36 amKilleen Fort Hood Regional

$590

momondo Fare Finder

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

Thu 5/21

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Tue 5/26

3:50 pm-10:44 pm

1 stop6h 54m

$551

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 5/22

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Wed 5/27

9:40 am-2:37 pm

1 stop4h 57m

$563

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

7:21 pm-12:31 am

1 stop5h 10m

Chicago O'Hare Intl

Mon 7/27

5:00 am-9:36 am

1 stop4h 36m

$590

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 6/16

3:07 pm-10:10 pm

1 stop7h 03m

Chicago O'Hare Intl

Thu 6/18

7:02 am-2:37 pm

1 stop7h 35m

$616

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-9:13 pm

1 stop5h 19m

Chicago O'Hare Intl

Tue 4/14

5:00 am-11:21 am

1 stop6h 21m

$626

Quickest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

7:09 pm-11:48 pm

1 stop4h 39m

Chicago O'Hare Intl

Mon 4/13

5:00 am-9:35 am

1 stop4h 35m

$627

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

7:09 pm-8:30 am

2 stops13h 21m

Chicago O'Hare Intl

Sat 4/11

11:43 am-6:39 pm

1 stop6h 56m

$646

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/20

3:07 pm-8:30 pm

1 stop5h 23m

Chicago O'Hare Intl

Mon 7/27

8:16 am-2:36 pm

2 stops6h 20m

$946

Cheapest one-way

Quickest one-way

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 5/20

5:00 am-9:39 am

1 stop4h 39m

$276

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 5/22

7:21 pm-12:42 am

1 stop5h 21m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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 45% 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	4h 39m
Direct flights	None

The fastest flight from Killeen to Chicago O'Hare Intl Airport takes 4h 39m

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 4h 39m 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?
The number of operators available for flights from Killeen Fort Hood Regional Airport to Chicago O'Hare Intl Airport is 1 as of March 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Killeen to Chicago O'Hare Intl Airport is American Airlines, representing 100% of all bookings.

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Rockford

Merrillville

Gurnee

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New Buffalo

Orland Park

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Joliet

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

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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.