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 many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Illinois?

As of April 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Illinois.

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.

$179 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.

7:13 pm - 10:59 pm

GRK

STL

3h 46m

1 stop

5:20 am - 11:21 am

STL

GRK

6h 01m

1 stop

$269American Airlines

Fri, May 8 - Tue, May 12

7:13 pm - 10:59 pm

GRK

STL

3h 46m

1 stop

5:51 am - 3:24 pm

STL

GRK

9h 33m

2 stops

$274American Airlines

Fri, May 8 - Tue, May 12

7:21 pm - 11:59 pm

GRK

STL

4h 38m

1 stop

5:25 am - 9:34 am

STL

GRK

4h 09m

1 stop

$437American Airlines

Fri, Jun 5 - Sun, Jun 7

7:52 pm - 11:59 pm

GRK

STL

4h 07m

1 stop

5:18 pm - 10:44 pm

STL

GRK

5h 26m

1 stop

$439American Airlines

Wed, Jun 3 - Mon, Jun 8

5:00 am - 2:03 pm

GRK

STL

9h 03m

2 stops

5:20 am - 9:35 am

STL

GRK

4h 15m

1 stop

$444American Airlines

Thu, Apr 30 - Sun, May 3

3:54 pm - 11:56 pm

GRK

STL

8h 02m

2 stops

5:51 am - 3:24 pm

STL

GRK

9h 33m

2 stops

$449American Airlines

Fri, May 8 - Tue, May 12

7:09 pm - 11:13 pm

GRK

PIA

4h 04m

1 stop

5:40 pm - 9:52 pm

PIA

GRK

4h 12m

1 stop

$511American Airlines

Tue, Apr 14 - Sat, Apr 18

5:00 am - 11:42 am

GRK

PIA

6h 42m

1 stop

1:22 pm - 11:46 pm

PIA

GRK

10h 24m

2 stops

$516American Airlines

Tue, Apr 14 - Sat, Apr 18

5:00 am - 12:52 pm

GRK

PIA

7h 52m

2 stops

1:22 pm - 9:52 pm

PIA

GRK

8h 30m

2 stops

$521American Airlines

Tue, Apr 14 - Sat, Apr 18

7:21 pm - 11:59 pm

GRK

STL

4h 38m

1 stop

6:00 am - 2:37 pm

STL

GRK

8h 37m

2 stops

$538American Airlines

Fri, Jun 5 - Sun, Jun 7

American Airlines flights from Killeen to Illinois

Our best American Airlines deals on Killeen to Illinois flight tickets

American Airlines

May 8

GRK7:13 pmKilleen Fort Hood Regional

3h 46m

1 stop

STL10:59 pmLambert-St Louis

May 12

STL5:20 amLambert-St Louis

6h 01m

1 stop

GRK11:21 amKilleen Fort Hood Regional

$269

American Airlines

May 8

GRK7:13 pmKilleen Fort Hood Regional

3h 46m

1 stop

STL10:59 pmLambert-St Louis

May 12

STL5:51 amLambert-St Louis

9h 33m

2 stops

GRK3:24 pmKilleen Fort Hood Regional

$274

American Airlines

Apr 8

GRK5:00 amKilleen Fort Hood Regional

3h 54m

1 stop

STL8:54 amLambert-St Louis

May 12

STL5:20 amLambert-St Louis

6h 01m

1 stop

GRK11:21 amKilleen Fort Hood Regional

$384

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Fri 5/8

7:13 pm-10:59 pm

1 stop3h 46m

Lambert-St Louis

Tue 5/12

5:20 am-11:21 am

1 stop6h 01m

$269

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Fri 5/8

7:13 pm-10:59 pm

1 stop3h 46m

Lambert-St Louis

Tue 5/12

5:51 am-3:24 pm

2 stops9h 33m

$274

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Fri 6/5

7:21 pm-11:59 pm

1 stop4h 38m

Lambert-St Louis

Sun 6/7

5:25 am-9:34 am

1 stop4h 09m

$437

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Wed 6/3

7:52 pm-11:59 pm

1 stop4h 07m

Lambert-St Louis

Mon 6/8

5:18 pm-10:44 pm

1 stop5h 26m

$439

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Thu 4/30

5:00 am-2:03 pm

2 stops9h 03m

Lambert-St Louis

Sun 5/3

5:20 am-9:35 am

1 stop4h 15m

$444

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Fri 5/8

3:54 pm-11:56 pm

2 stops8h 02m

Lambert-St Louis

Tue 5/12

5:51 am-3:24 pm

2 stops9h 33m

$449

Quickest round-trip

KilleenPeoria

GRK - PIA

GRKPIA

Killeen Fort Hood Regional

Tue 4/14

7:09 pm-11:13 pm

1 stop4h 04m

Greater Peoria

Sat 4/18

5:40 pm-9:52 pm

1 stop4h 12m

$511

KilleenPeoria

GRK - PIA

GRKPIA

Killeen Fort Hood Regional

Tue 4/14

5:00 am-11:42 am

1 stop6h 42m

Greater Peoria

Sat 4/18

1:22 pm-11:46 pm

2 stops10h 24m

$516

KilleenPeoria

GRK - PIA

GRKPIA

Killeen Fort Hood Regional

Tue 4/14

5:00 am-12:52 pm

2 stops7h 52m

Greater Peoria

Sat 4/18

1:22 pm-9:52 pm

2 stops8h 30m

$521

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

Fri 6/5

7:21 pm-11:59 pm

1 stop4h 38m

Lambert-St Louis

Sun 6/7

6:00 am-2:37 pm

2 stops8h 37m

$538

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 and Alaska Airlines are the most popular carriers 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 45% 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 46m
Direct flights	None

The fastest flight from Killeen to Illinois takes 3h 46m

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 many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Illinois?
As of April 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Illinois.
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.

Best airlines flying from Killeen to Illinois

Compare and see reviews for airlines that fly from Killeen to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $410	Free Cancellation	Rating 7.1 11,552 reviews		Search American Airlines flights

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.