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Cheap flights from Illinois to Killeen from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Killeen departing on 6/13. 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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Find the cheapest flights from Illinois to Killeen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:29 am - 9:34 am
STL
-
GRK
4h 05m
1 stop
American Airlines Logo
7:21 pm - 11:59 pm
GRK
-
STL
4h 38m
1 stop
$289American Airlines
Thu, Jun 4 - Sun, Jun 7
American Airlines Logo
5:29 am - 12:24 pm
STL
-
GRK
6h 55m
1 stop
American Airlines Logo
7:21 pm - 11:59 pm
GRK
-
STL
4h 38m
1 stop
$323American Airlines
Thu, Jun 4 - Sun, Jun 7
American Airlines Logo
5:00 am - 9:34 am
ORD
-
GRK
4h 34m
1 stop
American Airlines Logo
3:07 pm - 8:11 pm
GRK
-
ORD
5h 04m
1 stop
$327American Airlines
Sat, Jun 13 - Tue, Jun 16
American Airlines Logo
5:00 am - 9:34 am
ORD
-
GRK
4h 34m
1 stop
American Airlines Logo
5:00 am - 9:50 am
GRK
-
ORD
4h 50m
1 stop
$357American Airlines
Thu, Jun 11 - Tue, Jun 16
American Airlines Logo
9:41 am - 2:37 pm
STL
-
GRK
4h 56m
1 stop
American Airlines Logo
7:21 pm - 11:58 pm
GRK
-
STL
4h 37m
1 stop
$357American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
7:00 am - 2:37 pm
STL
-
GRK
7h 37m
2 stops
American Airlines Logo
7:21 pm - 11:58 pm
GRK
-
STL
4h 37m
1 stop
$362American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
3:02 pm - 7:22 pm
ORD
-
GRK
4h 20m
1 stop
American Airlines Logo
7:21 pm - 12:45 am
GRK
-
ORD
5h 24m
1 stop
$364American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
7:02 am - 2:37 pm
ORD
-
GRK
7h 35m
1 stop
American Airlines Logo
7:21 pm - 12:45 am
GRK
-
ORD
5h 24m
1 stop
$365American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
5:00 am - 9:34 am
ORD
-
GRK
4h 34m
1 stop
American Airlines Logo
7:21 pm - 12:39 am
GRK
-
ORD
5h 18m
1 stop
$369American Airlines
Fri, Jun 12 - Mon, Jun 15
American Airlines Logo
5:00 am - 9:34 am
ORD
-
GRK
4h 34m
1 stop
American Airlines Logo
7:21 pm - 12:39 am
GRK
-
ORD
5h 18m
1 stop
$380American Airlines
Fri, Jun 12 - Mon, Jun 15

American Airlines flights from Illinois to Killeen

Our best American Airlines deals on Illinois to Killeen flight tickets
American Airlines
Jun 4
STL5:29 amLambert-St Louis
4h 05m
1 stop
GRK9:34 amKilleen Fort Hood Regional
Jun 7
GRK7:21 pmKilleen Fort Hood Regional
4h 38m
1 stop
STL11:59 pmLambert-St Louis
$289
American Airlines
Jun 4
STL5:29 amLambert-St Louis
6h 55m
1 stop
GRK12:24 pmKilleen Fort Hood Regional
Jun 7
GRK7:21 pmKilleen Fort Hood Regional
4h 38m
1 stop
STL11:59 pmLambert-St Louis
$323
American Airlines
Jun 13
ORD5:00 amChicago O'Hare Intl
4h 34m
1 stop
GRK9:34 amKilleen Fort Hood Regional
Jun 16
GRK3:07 pmKilleen Fort Hood Regional
5h 04m
1 stop
ORD8:11 pmChicago O'Hare Intl
$327

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Killeen 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 May 16, 2026.
Use the filters below to find and compare flights from Illinois to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Thu 6/4

5:29 am-9:34 am

1 stop4h 05m

Killeen Fort Hood Regional

Sun 6/7

7:21 pm-11:59 pm

1 stop4h 38m

$289

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Thu 6/4

5:29 am-12:24 pm

1 stop6h 55m

Killeen Fort Hood Regional

Sun 6/7

7:21 pm-11:59 pm

1 stop4h 38m

$323

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Sat 6/13

5:00 am-9:34 am

1 stop4h 34m

Killeen Fort Hood Regional

Tue 6/16

3:07 pm-8:11 pm

1 stop5h 04m

$327

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Thu 6/11

5:00 am-9:34 am

1 stop4h 34m

Killeen Fort Hood Regional

Tue 6/16

5:00 am-9:50 am

1 stop4h 50m

$357

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Wed 5/27

9:41 am-2:37 pm

1 stop4h 56m

Killeen Fort Hood Regional

Sun 5/31

7:21 pm-11:58 pm

1 stop4h 37m

$357

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Wed 5/27

7:00 am-2:37 pm

2 stops7h 37m

Killeen Fort Hood Regional

Sun 5/31

7:21 pm-11:58 pm

1 stop4h 37m

$362

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Wed 5/27

3:02 pm-7:22 pm

1 stop4h 20m

Killeen Fort Hood Regional

Sun 5/31

7:21 pm-12:45 am

1 stop5h 24m

$364

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Wed 5/27

7:02 am-2:37 pm

1 stop7h 35m

Killeen Fort Hood Regional

Sun 5/31

7:21 pm-12:45 am

1 stop5h 24m

$365

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Fri 6/12

5:00 am-9:34 am

1 stop4h 34m

Killeen Fort Hood Regional

Mon 6/15

7:21 pm-12:39 am

1 stop5h 18m

$369

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Fri 6/12

5:00 am-9:34 am

1 stop4h 34m

Killeen Fort Hood Regional

Mon 6/15

7:21 pm-12:39 am

1 stop5h 18m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Killeen from

How to get the cheapest flight ticket from Illinois to Killeen

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 Illinois to Killeen Fort Hood Regional?

American Airlines and Qatar Airways are the most popular carriers operating from Illinois to Killeen Fort Hood Regional

What airlines fly to Killeen?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Killeen from Illinois according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Killeen. Keep in mind that there are 6 different airlines that fly to Killeen on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Killeen flight deals and tips

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

Fastest flight time

3h 41m

Direct flights

None
The fastest flight from Illinois to Killeen takes 3h 41m
There are no direct flights from Illinois to Killeen. There are no popular flight routes from Illinois to Killeen.
Search flight deals

Frequently asked questions about flying from Illinois to Killeen

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

    Prices for flights from Illinois to Killeen Fort Hood Regional Airport are updated daily.

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

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

    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 Illinois to Killeen Fort Hood Regional Airport.

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

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

Best airlines flying from Illinois to Killeen

Compare and see reviews for airlines that fly from Illinois to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $234Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Copperas Cove
Salado
Fort Hood

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Killeen. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Killeen 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 Illinois to Killeen?

Once all potential Illinois to Killeen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Killeen from Illinois. 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.

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