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

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

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

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$216 Cheap Flights from Killeen to Illinois in 2026

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Find the cheapest flights from Killeen to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:05 pm - 9:16 pm

GRK

ORD

6h 11m

1 stop

6:00 am - 12:07 pm

ORD

GRK

6h 07m

1 stop

$281American Airlines

Sat, Aug 29 - Tue, Sep 1

12:54 pm - 4:33 pm

GRK

STL

3h 39m

1 stop

8:36 am - 12:24 pm

STL

GRK

3h 48m

1 stop

$357American Airlines

Tue, Jun 16 - Sat, Jun 20

7:21 pm - 12:50 am

GRK

ORD

5h 29m

1 stop

5:00 am - 9:36 am

ORD

GRK

4h 36m

1 stop

$361American Airlines

Tue, Jul 7 - Sat, Jul 11

7:52 pm - 12:39 am

GRK

ORD

4h 47m

1 stop

5:00 am - 9:34 am

ORD

GRK

4h 34m

1 stop

$363American Airlines

Wed, Jun 17 - Wed, Jun 24

7:24 pm - 12:50 am

GRK

ORD

5h 26m

1 stop

5:00 am - 9:36 am

ORD

GRK

4h 36m

1 stop

$399American Airlines

Mon, Jul 6 - Sat, Jul 11

7:21 pm - 12:39 am

GRK

ORD

5h 18m

1 stop

5:00 am - 9:34 am

ORD

GRK

4h 34m

1 stop

$405American Airlines

Fri, Jun 12 - Sun, Jun 14

5:05 am - 10:36 am

GRK

ORD

5h 31m

1 stop

6:52 pm - 11:43 pm

ORD

GRK

4h 51m

1 stop

$411American Airlines

Fri, Nov 6 - Tue, Nov 10

6:49 pm - 12:28 am

GRK

ORD

5h 39m

1 stop

5:18 am - 10:04 am

ORD

GRK

4h 46m

1 stop

$437American Airlines

Thu, Nov 5 - Mon, Nov 9

4:10 pm - 10:23 pm

GRK

ORD

6h 13m

1 stop

5:18 am - 10:04 am

ORD

GRK

4h 46m

1 stop

$449American Airlines

Fri, Nov 6 - Mon, Nov 9

7:21 pm - 12:50 am

GRK

ORD

5h 29m

1 stop

5:00 am - 9:36 am

ORD

GRK

4h 36m

1 stop

$505American Airlines

Tue, Jul 7 - Sun, Jul 12

American Airlines flights from Killeen to Illinois

Our best American Airlines deals on Killeen to Illinois flight tickets

American Airlines

Aug 29

GRK3:05 pmKilleen Fort Hood Regional

6h 11m

1 stop

ORD9:16 pmChicago O'Hare Intl

Sep 1

ORD6:00 amChicago O'Hare Intl

6h 07m

1 stop

GRK12:07 pmKilleen Fort Hood Regional

$281

American Airlines

Jun 16

GRK12:54 pmKilleen Fort Hood Regional

3h 39m

1 stop

STL4:33 pmLambert-St Louis

Jun 20

STL8:36 amLambert-St Louis

3h 48m

1 stop

GRK12:24 pmKilleen Fort Hood Regional

$357

American Airlines

Jul 7

GRK7:21 pmKilleen Fort Hood Regional

5h 29m

1 stop

ORD12:50 amChicago O'Hare Intl

Jul 11

ORD5:00 amChicago O'Hare Intl

4h 36m

1 stop

GRK9:36 amKilleen Fort Hood Regional

$361

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 8/29

3:05 pm-9:16 pm

1 stop6h 11m

Chicago O'Hare Intl

Tue 9/1

6:00 am-12:07 pm

1 stop6h 07m

$281

Quickest round-trip

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Tue 6/16

12:54 pm-4:33 pm

1 stop3h 39m

Lambert-St Louis

Sat 6/20

8:36 am-12:24 pm

1 stop3h 48m

$357

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 7/7

7:21 pm-12:50 am

1 stop5h 29m

Chicago O'Hare Intl

Sat 7/11

5:00 am-9:36 am

1 stop4h 36m

$361

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 6/17

7:52 pm-12:39 am

1 stop4h 47m

Chicago O'Hare Intl

Wed 6/24

5:00 am-9:34 am

1 stop4h 34m

$363

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 7/6

7:24 pm-12:50 am

1 stop5h 26m

Chicago O'Hare Intl

Sat 7/11

5:00 am-9:36 am

1 stop4h 36m

$399

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 6/12

7:21 pm-12:39 am

1 stop5h 18m

Chicago O'Hare Intl

Sun 6/14

5:00 am-9:34 am

1 stop4h 34m

$405

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 11/6

5:05 am-10:36 am

1 stop5h 31m

Chicago O'Hare Intl

Tue 11/10

6:52 pm-11:43 pm

1 stop4h 51m

$411

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 11/5

6:49 pm-12:28 am

1 stop5h 39m

Chicago O'Hare Intl

Mon 11/9

5:18 am-10:04 am

1 stop4h 46m

$437

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 11/6

4:10 pm-10:23 pm

1 stop6h 13m

Chicago O'Hare Intl

Mon 11/9

5:18 am-10:04 am

1 stop4h 46m

$449

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 7/7

7:21 pm-12:50 am

1 stop5h 29m

Chicago O'Hare Intl

Sun 7/12

5:00 am-9:36 am

1 stop4h 36m

$505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Killeen to Illinois

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 Illinois?

American Airlines is the most popular carrier operating from Killeen Fort Hood Regional to Illinois

What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois 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 Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Killeen to Illinois flight deals and tips

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

Fastest flight time	3h 39m
Direct flights	None

The fastest flight from Killeen to Illinois takes 3h 39m

There are no direct flights from Killeen to Illinois. There are no popular flight routes from Killeen to Illinois.

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Frequently asked questions about flying from Killeen to Illinois

When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Illinois?
Prices for flights from Killeen Fort Hood Regional Airport to Illinois are refreshed on a daily basis.
How old do you have to be to fly from Killeen Fort Hood Regional Airport to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Killeen.

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

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

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

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 Illinois.

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

Yes momondo offers price alerts on flights to Illinois from Killeen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.