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Cheap flights from St. Louis to Killeen from $357

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 4/10. 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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Find the cheapest flights from St. Louis to Killeen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:20 am - 9:35 am
STL
-
GRK
4h 15m
1 stop
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$357American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
2:33 pm - 11:46 pm
STL
-
GRK
9h 13m
2 stops
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$362American Airlines
Sat, Apr 11 - Sun, Apr 12
American Airlines Logo
12:27 pm - 9:52 pm
STL
-
GRK
9h 25m
2 stops
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$488American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
8:25 am - 2:36 pm
STL
-
GRK
6h 11m
1 stop
American Airlines Logo
3:07 pm - 9:39 pm
GRK
-
STL
6h 32m
1 stop
$609American Airlines
Fri, Jul 10 - Mon, Jul 13
American Airlines Logo
12:27 pm - 9:52 pm
STL
-
GRK
9h 25m
2 stops
American Airlines Logo
7:09 pm - 10:59 pm
GRK
-
STL
3h 50m
1 stop
$622American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
5:18 pm - 10:44 pm
STL
-
GRK
5h 26m
1 stop
American Airlines Logo
3:07 pm - 11:56 pm
GRK
-
STL
8h 49m
2 stops
$696American Airlines
Fri, Jul 10 - Mon, Jul 13
American Airlines Logo
12:27 pm - 9:52 pm
STL
-
GRK
9h 25m
2 stops
American Airlines Logo
3:54 pm - 11:46 pm
GRK
-
STL
7h 52m
2 stops
$727American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
2:33 pm - 11:46 pm
STL
-
GRK
9h 13m
2 stops
American Airlines Logo
5:00 am - 11:47 am
GRK
-
STL
6h 47m
2 stops
$750American Airlines
Sat, Apr 11 - Sun, Apr 12

American Airlines flights from St. Louis to Killeen

Our best American Airlines deals on St. Louis to Killeen flight tickets
American Airlines
Apr 10
STL5:20 amLambert-St Louis
4h 15m
1 stop
GRK9:35 amKilleen Fort Hood Regional
Apr 13
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$357
American Airlines
Apr 11
STL2:33 pmLambert-St Louis
9h 13m
2 stops
GRK11:46 pmKilleen Fort Hood Regional
Apr 12
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$362
American Airlines
Apr 10
STL12:27 pmLambert-St Louis
9h 25m
2 stops
GRK9:52 pmKilleen Fort Hood Regional
Apr 13
GRK7:09 pmKilleen Fort Hood Regional
3h 50m
1 stop
STL10:59 pmLambert-St Louis
$488

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 March 29, 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

Cheapest round-trip
Quickest round-trip

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/10

5:20 am-9:35 am

1 stop4h 15m

Killeen Fort Hood Regional

Mon 4/13

7:09 pm-10:59 pm

1 stop3h 50m

$357

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Sat 4/11

2:33 pm-11:46 pm

2 stops9h 13m

Killeen Fort Hood Regional

Sun 4/12

7:09 pm-10:59 pm

1 stop3h 50m

$362

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/10

12:27 pm-9:52 pm

2 stops9h 25m

Killeen Fort Hood Regional

Mon 4/13

7:09 pm-10:59 pm

1 stop3h 50m

$488

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 7/10

8:25 am-2:36 pm

1 stop6h 11m

Killeen Fort Hood Regional

Mon 7/13

3:07 pm-9:39 pm

1 stop6h 32m

$609

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/10

12:27 pm-9:52 pm

2 stops9h 25m

Killeen Fort Hood Regional

Mon 4/13

7:09 pm-10:59 pm

1 stop3h 50m

$622

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 7/10

5:18 pm-10:44 pm

1 stop5h 26m

Killeen Fort Hood Regional

Mon 7/13

3:07 pm-11:56 pm

2 stops8h 49m

$696

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/10

12:27 pm-9:52 pm

2 stops9h 25m

Killeen Fort Hood Regional

Mon 4/13

3:54 pm-11:46 pm

2 stops7h 52m

$727

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Sat 4/11

2:33 pm-11:46 pm

2 stops9h 13m

Killeen Fort Hood Regional

Sun 4/12

5:00 am-11:47 am

2 stops6h 47m

$750
Cheapest one-way
Quickest one-way

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/3

4:13 pm-10:03 pm

1 stop5h 50m

$510

St. LouisKilleen

STL - GRK

STLGRK

Lambert-St Louis

Fri 4/3

8:00 am-6:03 pm

2 stops10h 03m

$515

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 75% 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.
Search flight deals

  • 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 $196Free CancellationRating
7.1
11,521 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.

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

Of course. momondo tracks the price of St. Louis to Killeen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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