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.

$234 Cheap Flights from Killeen to Illinois in 2026

Find the cheapest flights from Killeen to Illinois

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 9:24 amGRK Killeen Fort Hood Regional-STL Lambert-St Louis

4h 24m1 stop Dallas/Fort Worth

5:43 am - 12:17 pmSTL Lambert-St Louis-GRK Killeen Fort Hood Regional

6h 34m1 stop Dallas/Fort Worth

$299American Airlines

Thu, Oct 1 - Sat, Oct 3

12:47 pm - 6:04 pmGRK Killeen Fort Hood Regional-STL Lambert-St Louis

5h 17m1 stop Dallas/Fort Worth

8:30 am - 12:17 pmSTL Lambert-St Louis-GRK Killeen Fort Hood Regional

3h 47m1 stop Dallas/Fort Worth

$367American Airlines

Fri, Sep 25 - Tue, Sep 29

6:50 pm - 11:59 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 09m1 stop Dallas/Fort Worth

6:20 pm - 11:32 pmORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

5h 12m1 stop Dallas/Fort Worth

$387American Airlines

Thu, Dec 17 - Mon, Dec 21

4:09 pm - 11:30 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

7h 21m1 stop Dallas/Fort Worth

3:00 pm - 9:03 pmORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

6h 03m1 stop Dallas/Fort Worth

$443American Airlines

Wed, Sep 23 - Sat, Sep 26

12:26 pm - 6:23 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 57m1 stop Dallas/Fort Worth

5:00 am - 9:37 amORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

4h 37m1 stop Dallas/Fort Worth

$504American Airlines

Mon, Dec 21 - Mon, Dec 28

2:48 pm - 7:58 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 10m1 stop Dallas/Fort Worth

5:00 am - 9:37 amORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

4h 37m1 stop Dallas/Fort Worth

$527American Airlines

Sun, Dec 20 - Mon, Dec 28

12:26 pm - 6:23 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 57m1 stop Dallas/Fort Worth

3:55 pm - 9:06 pmORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

5h 11m1 stop Dallas/Fort Worth

$528American Airlines

Mon, Dec 21 - Wed, Dec 30

6:47 am - 2:09 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

7h 22m1 stop Dallas/Fort Worth

3:55 pm - 9:06 pmORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

5h 11m1 stop Dallas/Fort Worth

$551American Airlines

Sun, Dec 20 - Wed, Dec 30

12:26 pm - 6:23 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 57m1 stop Dallas/Fort Worth

5:59 pm - 11:32 pmORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

5h 33m1 stop Dallas/Fort Worth

$554American Airlines

Mon, Dec 21 - Sat, Dec 26

12:26 pm - 6:23 pmGRK Killeen Fort Hood Regional-ORD Chicago O'Hare Intl

5h 57m1 stop Dallas/Fort Worth

5:00 am - 9:37 amORD Chicago O'Hare Intl-GRK Killeen Fort Hood Regional

4h 37m1 stop Dallas/Fort Worth

$565American Airlines

Wed, Dec 23 - Mon, Dec 28

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American Airlines flights from Killeen to Illinois

Our best American Airlines deals on Killeen to Illinois flight tickets

American Airlines

Oct 1

GRK5:00 amKilleen Fort Hood Regional

4h 24m

1 stop

STL9:24 amLambert-St Louis

Oct 3

STL5:43 amLambert-St Louis

6h 34m

1 stop

GRK12:17 pmKilleen Fort Hood Regional

$299

American Airlines

Sep 25

GRK12:47 pmKilleen Fort Hood Regional

5h 17m

1 stop

STL6:04 pmLambert-St Louis

Sep 29

STL8:30 amLambert-St Louis

3h 47m

1 stop

GRK12:17 pmKilleen Fort Hood Regional

$367

American Airlines

Dec 17

GRK6:50 pmKilleen Fort Hood Regional

5h 09m

1 stop

ORD11:59 pmChicago O'Hare Intl

Dec 21

ORD6:20 pmChicago O'Hare Intl

5h 12m

1 stop

GRK11:32 pmKilleen Fort Hood Regional

$387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSt. Louis

GRK Killeen Fort Hood Regional - STL Lambert-St Louis

GRKSTL

Killeen Fort Hood Regional

Thu 10/1

5:00 am-9:24 am

1 stop4h 24m

Lambert-St Louis

Sat 10/3

5:43 am-12:17 pm

1 stop6h 34m

$299

Quickest round-trip

KilleenSt. Louis

GRK Killeen Fort Hood Regional - STL Lambert-St Louis

GRKSTL

Killeen Fort Hood Regional

Fri 9/25

12:47 pm-6:04 pm

1 stop5h 17m

Lambert-St Louis

Tue 9/29

8:30 am-12:17 pm

1 stop3h 47m

$367

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Thu 12/17

6:50 pm-11:59 pm

1 stop5h 09m

Chicago O'Hare Intl

Mon 12/21

6:20 pm-11:32 pm

1 stop5h 12m

$387

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Wed 9/23

4:09 pm-11:30 pm

1 stop7h 21m

Chicago O'Hare Intl

Sat 9/26

3:00 pm-9:03 pm

1 stop6h 03m

$443

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Mon 12/21

12:26 pm-6:23 pm

1 stop5h 57m

Chicago O'Hare Intl

Mon 12/28

5:00 am-9:37 am

1 stop4h 37m

$504

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Sun 12/20

2:48 pm-7:58 pm

1 stop5h 10m

Chicago O'Hare Intl

Mon 12/28

5:00 am-9:37 am

1 stop4h 37m

$527

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Mon 12/21

12:26 pm-6:23 pm

1 stop5h 57m

Chicago O'Hare Intl

Wed 12/30

3:55 pm-9:06 pm

1 stop5h 11m

$528

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Sun 12/20

6:47 am-2:09 pm

1 stop7h 22m

Chicago O'Hare Intl

Wed 12/30

3:55 pm-9:06 pm

1 stop5h 11m

$551

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Mon 12/21

12:26 pm-6:23 pm

1 stop5h 57m

Chicago O'Hare Intl

Sat 12/26

5:59 pm-11:32 pm

1 stop5h 33m

$554

KilleenChicago

GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl

GRKORD

Killeen Fort Hood Regional

Wed 12/23

12:26 pm-6:23 pm

1 stop5h 57m

Chicago O'Hare Intl

Mon 12/28

5:00 am-9:37 am

1 stop4h 37m

$565

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 Southwest 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 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 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

Best Price Found	$234
Fastest flight time	4h 24m
Direct flights	None

The best one-way flight to Illinois from Killeen in the past 72 hours is $234. The best round-trip flight deal from Killeen to Illinois found on momondo in the last 72 hours is $299.

The fastest flight from Killeen to Illinois takes 4h 24m

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

Search flight deals

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.