GRK - STL

$434 Find Cheap Flights from Killeen to St. Louis

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Killeen to St. Louis departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Killeen to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Killeen to St. Louis, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$434
American Airlines
Tue 3/31Sat 4/4
GRK - STL • 1 stop
Cheapest one-way
$510
American Airlines
Sun 3/29
GRK - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Killeen and St. Louis. You'll need at least 1 connection.
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Killeen to St. Louis (GRK-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Killeen to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Killeen to St. Louis

Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
7:00 am - 10:59 am
GRK
-
STL
3h 59m
1 stop
American Airlines Logo
4:13 pm - 10:03 pm
STL
-
GRK
5h 50m
1 stop
$434American Airlines
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
7:00 am - 10:59 am
GRK
-
STL
3h 59m
1 stop
American Airlines Logo
2:25 pm - 10:03 pm
STL
-
GRK
7h 38m
2 stops
$516American Airlines
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
12:01 pm - 9:11 pm
GRK
-
STL
9h 10m
2 stops
American Airlines Logo
10:33 am - 10:03 pm
STL
-
GRK
11h 30m
2 stops
$803American Airlines
Booking Insights

Good to know

Cheapest flight$434
Flight from Killeen to St. Louis

When to book flights from Killeen to St. Louis

Are your dates flexible? Find out the best times to travel from Killeen to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Killeen to St. Louis

  • What is the cheapest flight from Killeen to St. Louis?

    In the last 3 days, the lowest price for a flight from Killeen to St. Louis was $510 for a one-way ticket and $434 for a round-trip.

  • Do I need a passport to fly between Killeen and St. Louis?

    A passport is not required to fly from Killeen to St. Louis.

  • Which airports will I be using when flying from Killeen to St. Louis?

    Killeen airport is called Killeen Fort Hood Regional and the only airport in St. Louis is Lambert-St Louis.

  • Which aircraft models fly most regularly from Killeen to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Killeen to St. Louis?

    oneworld is the only airline alliance operating flights between Killeen and St. Louis.

  • How does KAYAK find such low prices on flights from Killeen to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Killeen to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Killeen to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Killeen is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Killeen to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Killeen with another airline. Booking your flights between Killeen and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Killeen to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Killeen up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Killeen to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Killeen to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Killeen to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11473 reviews
7.9Crew
7.5Boarding
6.4Food
7.2Comfort
6.9Entertainment
Airline reviews

I rated the experience "mediocre" because of the 2 hour delay in take off. This is the 4th flight from DFW on AA where there was a delay and in one of the instances (after 13 delays), the flight was cancelled. I understand weather but for the March 18th flight, there was no weather issue in Dallas or Detroit. I called Concierge Key and they were wonderful, booking me on a later flight in case my flight was cancelled. I have flown with American for many years and never has there been this consistent pattern of delays. Very disappointing.

4.0 OkayMichele, Mar 2026
DFW - DTW
Read more American Airlines reviews

I rated the experience "mediocre" because of the 2 hour delay in take off. This is the 4th flight from DFW on AA where there was a delay and in one of the instances (after 13 delays), the flight was cancelled. I understand weather but for the March 18th flight, there was no weather issue in Dallas or Detroit. I called Concierge Key and they were wonderful, booking me on a later flight in case my flight was cancelled. I have flown with American for many years and never has there been this consistent pattern of delays. Very disappointing.

As a first class customer, there was no power the entire flight which limited my ability to work. I find this unacceptable. The first 11 rows on the left side of the plan were out. I was only offered the option to charge my phone which was not the issue because my laptop was out of power. I asked if there was anything that can be done for me, and the answer was, "no". I was not offered any type of compensation for this AA problem which caused me unnecessary stress due to inability to address business issues on an already challenging travel day. Flight attendants tried to reset the power once but that was the extent of their support. Very disappointing for the lack of expected services on a flight. Please contact me with customer focused response to this complaint.

Easy boarding. Rows are smaller but that may be an older and bigger me now :)

Check in was rough because the check in crew did not know how to manage my international visa documents. Required a long process and 4 people to finally be able to proceed to security. They told us incorrect information several times before acknowledging we did indeed have everything we needed from the start.

Poor communication ahead of time about flight delays and old planes/other equipment.

Mechanical issue delayed us 2hrs and then once we landed sat on tarmac for 30mins because someone left a vehicle in front of the gaye

The crew was excellent and overall the flight was good. No complaints.

Like all of the flights I took to get down to Dallas. They were delayed

Forced to check bags. Crew uninterested in collecting trash. Unclean seats.

Flight pulled out on time but sat on runway for 30 mins. It was extremely cold in the aircraft despite wearing a winter coat. Surprisingly they had a vegetarian meal but could have some better snack choices for a 8 hour flight.

Everything you need to know for your flight from Killeen to St. Louis

Information on your arrival and departure airports

Killeen (GRK)
St. Louis (STL)