Cheap flights from St. Louis to Killeen from $197

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Killeen departing on 3/10. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:46 am - 6:03 pm
STL
-
GRK
6h 17m
1 stop
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$197American Airlines
Tue, Mar 10 - Wed, May 6
American Airlines Logo
6:18 pm - 10:36 pm
STL
-
GRK
4h 18m
1 stop
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$201American Airlines
Wed, Mar 4 - Sat, May 9
American Airlines Logo
10:37 am - 10:36 pm
STL
-
GRK
11h 59m
2 stops
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$206American Airlines
Wed, Mar 4 - Sat, May 9
American Airlines Logo
7:00 am - 11:31 am
STL
-
GRK
4h 31m
1 stop
American Airlines Logo
1:08 pm - 7:30 pm
GRK
-
STL
6h 22m
1 stop
$330American Airlines
Tue, Feb 24 - Sat, May 2
American Airlines Logo
9:59 am - 6:03 pm
STL
-
GRK
8h 04m
2 stops
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$331American Airlines
Tue, Mar 10 - Wed, May 6
American Airlines Logo
4:13 pm - 10:36 pm
STL
-
GRK
6h 23m
1 stop
American Airlines Logo
1:08 pm - 10:17 pm
GRK
-
STL
9h 09m
2 stops
$335American Airlines
Tue, Feb 24 - Sat, May 2
American Airlines Logo
10:37 am - 10:36 pm
STL
-
GRK
11h 59m
2 stops
American Airlines Logo
5:00 am - 11:45 am
GRK
-
STL
6h 45m
2 stops
$341American Airlines
Wed, Mar 4 - Sat, May 9
American Airlines Logo
5:12 am - 9:45 am
STL
-
GRK
4h 33m
1 stop
American Airlines Logo
1:08 pm - 5:21 pm
GRK
-
STL
4h 13m
1 stop
$455American Airlines
Fri, Feb 20 - Sat, May 2
American Airlines Logo
5:12 am - 9:45 am
STL
-
GRK
4h 33m
1 stop
American Airlines Logo
1:08 pm - 10:17 pm
GRK
-
STL
9h 09m
2 stops
$460American Airlines
Fri, Feb 20 - Sat, May 2
American Airlines Logo
9:23 am - 6:03 pm
STL
-
GRK
8h 40m
2 stops
American Airlines Logo
1:08 pm - 10:17 pm
GRK
-
STL
9h 09m
2 stops
$465American Airlines
Tue, Feb 24 - Sat, May 2

American Airlines flights from St. Louis to Killeen

Our best American Airlines deals on St. Louis to Killeen flight tickets
American Airlines
Mar 10
STL11:46 amLambert-St Louis
6h 17m
1 stop
GRK6:03 pmKilleen Fort Hood Regional
May 6
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$197
American Airlines
Mar 4
STL6:18 pmLambert-St Louis
4h 18m
1 stop
GRK10:36 pmKilleen Fort Hood Regional
May 9
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$201
American Airlines
Mar 4
STL10:37 amLambert-St Louis
11h 59m
2 stops
GRK10:36 pmKilleen Fort Hood Regional
May 9
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$206

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 February 9, 2026.
Use the filters below to find and compare flights from St. Louis to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Tue 3/10

11:46 am-6:03 pm

1 stop6h 17m

Killeen Fort Hood Regional

Wed 5/6

7:09 pm-10:59 pm

1 stop3h 50m

$197

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Wed 3/4

6:18 pm-10:36 pm

1 stop4h 18m

Killeen Fort Hood Regional

Sat 5/9

7:09 pm-10:59 pm

1 stop3h 50m

$201

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Wed 3/4

10:37 am-10:36 pm

2 stops11h 59m

Killeen Fort Hood Regional

Sat 5/9

7:09 pm-10:59 pm

1 stop3h 50m

$206

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Tue 2/24

7:00 am-11:31 am

1 stop4h 31m

Killeen Fort Hood Regional

Sat 5/2

1:08 pm-7:30 pm

1 stop6h 22m

$330

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Tue 3/10

9:59 am-6:03 pm

2 stops8h 04m

Killeen Fort Hood Regional

Wed 5/6

7:09 pm-10:59 pm

1 stop3h 50m

$331

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Tue 2/24

4:13 pm-10:36 pm

1 stop6h 23m

Killeen Fort Hood Regional

Sat 5/2

1:08 pm-10:17 pm

2 stops9h 09m

$335

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Wed 3/4

10:37 am-10:36 pm

2 stops11h 59m

Killeen Fort Hood Regional

Sat 5/9

5:00 am-11:45 am

2 stops6h 45m

$341

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 2/20

5:12 am-9:45 am

1 stop4h 33m

Killeen Fort Hood Regional

Sat 5/2

1:08 pm-5:21 pm

1 stop4h 13m

$455

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 2/20

5:12 am-9:45 am

1 stop4h 33m

Killeen Fort Hood Regional

Sat 5/2

1:08 pm-10:17 pm

2 stops9h 09m

$460

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Tue 2/24

9:23 am-6:03 pm

2 stops8h 40m

Killeen Fort Hood Regional

Sat 5/2

1:08 pm-10:17 pm

2 stops9h 09m

$465

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Killeen from

How to get the cheapest flight ticket from St. Louis 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 Lambert-St Louis to Killeen Fort Hood Regional?

American Airlines is the most popular carrier operating from Lambert-St Louis to Killeen Fort Hood Regional

What airlines fly to Killeen?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Killeen from St. Louis according to our data. Southwest is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Killeen. Keep in mind that there are 4 different airlines that fly to Killeen on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Killeen

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Killeen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Killeen (STL to GRK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Killeen

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from St. Louis to Killeen takes 4h 15m
There are no direct flights from St. Louis to Killeen. There are no popular flight routes from St. Louis to Killeen.
  • How far is Lambert-St Louis to Killeen Fort Hood Regional by plane?

    Killeen Fort Hood Regional is 670.9 mi away from Lambert-St Louis. Flights usually cover this in 4h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Killeen Fort Hood Regional Airport?

    Prices for flights from Lambert-St Louis Airport to Killeen Fort Hood Regional Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Killeen Fort Hood Regional Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport 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 Lambert-St Louis Airport to Killeen Fort Hood Regional Airport.

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

    The necessary travel and health documents for your Killeen Fort Hood Regional 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 St. Louis to Killeen?

Best airlines flying from St. Louis to Killeen

Compare and see reviews for airlines that fly from St. Louis to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,254 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 St. Louis to Killeen?

Finding the right flight to Killeen from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Killeen quick and easy, saving you time and money.

Can I find flights from St. Louis to Killeen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Killeen from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Killeen?

momondo helps you find the best flight between St. Louis and Killeen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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1 adult
Wed 3/11
Wed 3/18

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