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$319+ Cheap flights from Killeen to St. Louis (GRK - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — STL
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
1 adult, Economy
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Cheap flight deals from Killeen to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$319
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Lambert-St Louis flights.
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From Killeen Fort Hood Regional to Lambert-St Louis
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Find flight deals from Killeen to St. Louis

Best flights from Killeen to St. Louis
Discover carefully curated flight deals from Killeen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/217:00 amGRK - STL
1 stop4h 00mAmerican Airlines
mar. 2/245:14 amSTL - GRK
1 stop6h 17mAmerican Airlines
Deal found 11/9$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 12, 2025.
Use the filters below to find and compare flights from Killeen to St. Louis that are best for you.

Fly from

Killeen

Fly to

St. Louis

Route

Depart

Return

Price

KilleenSt. Louis

GRK - STL

GRKSTL

Killeen Fort Hood Regional

sáb. 2/21

7:00 am-11:00 am

1 stop4h 00m

Lambert-St Louis

mar. 2/24

5:14 am-11:31 am

1 stop6h 17m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Compare providers for flights from Killeen to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to St. Louis in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Killeen-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Killeen-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Killeen to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Killeen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Killeen to St. Louis?

Currently, October is the cheapest month in which you can book a flight from Killeen to St. Louis (average of $148). Flying from Killeen to St. Louis in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated noviembre 12, 2025.
Read reviews from past customers who have flown American Airlines from Killeen to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,049 reviews

Overall

7.2

Comfort

7.2

Entertainment

6.9

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Overall

7.2

Comfort

7.2

Entertainment

6.9

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Killeen to St. Louis?

    Departing from Killeen to St. Louis will take you 4h. There are 678 mi between Killeen and St. Louis.

  • What is the cheapest airline to fly from Killeen to St. Louis round-trip?

    Currently priced at $290, American Airlines will fly you from Killeen to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Killeen to St. Louis that include hotel bookings?

    Yes. In addition to deals on Killeen to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to St. Louis.

  • Can I find deals for business class flights from Killeen to St. Louis?

    Yes. Cheapflights offers flight deals from Killeen to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, October is the cheapest month in which you can book a flight from Killeen to St. Louis (average of $148). Flying from Killeen to St. Louis in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Killeen to St. Louis

Discover the top airline that operate flights from Killeen to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$442FlexibilityNo cancel feeOn-time71%

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