$69 Cheap flight deals from Killeen (ILE) to St. Louis (STL)

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This Weekend's Flight Deals from Killeen to St. Louis

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 19 - Mon, Sep 22
AUS
Austin-Bergstrom Intl.
STL
Lambert-St. Louis Intl.
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Sep 19 from Austin-Bergstrom Intl. to Lambert-St. Louis Intl., returning Mon, Sep 22, priced at $316 found 1 day ago
Sat, Sep 20 - Thu, Sep 25
GRK
Killeen-Fort Hood Regional
STL
Lambert-St. Louis Intl.
$454 Roundtrip, found 6 days ago
$454
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 20 from Killeen-Fort Hood Regional to Lambert-St. Louis Intl., returning Thu, Sep 25, priced at $454 found 6 days ago

Airfares from $69 One Way, $139 Round Trip from Killeen to St. Louis

Prices starting at $139 for return flights and $69 for one-way flights to St. Louis were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Tue, Oct 14
AUS
Austin
STL
St. Louis
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Austin to St. Louis, returning Tue, Oct 14, priced at $139 found 2 days ago
Tue, Oct 7 - Tue, Oct 14
AUS
Austin
STL
St. Louis
$146 Roundtrip, found 2 days ago
$146
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Austin to St. Louis, returning Tue, Oct 14, priced at $146 found 2 days ago
Tue, Oct 7 - Tue, Oct 14
AUS
Austin
STL
St. Louis
$149 Roundtrip, found 2 days ago
$149
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Austin to St. Louis, returning Tue, Oct 14, priced at $149 found 2 days ago
Tue, Oct 7 - Tue, Oct 14
AUS
Austin
STL
St. Louis
$150 Roundtrip, found 2 days ago
$150
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 7 from Austin to St. Louis, returning Tue, Oct 14, priced at $150 found 2 days ago
Tue, Oct 7 - Tue, Oct 14
AUS
Austin
STL
St. Louis
$153 Roundtrip, found 2 days ago
$153
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Austin to St. Louis, returning Tue, Oct 14, priced at $153 found 2 days ago

St. Louis economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hampton Inn By Hilton St Louis Airport
2.5-star property

Hampton Inn By Hilton St Louis Airport

8.6/10 Excellent! (54 reviews)

Oct 24 - Oct 27

3 night stay

Austin (AUS) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Price was $465, price is now $390 per person
$390
per person
just found
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

8.4/10 Very Good! (1,003 reviews)

Oct 24 - Oct 27

3 night stay

Austin (AUS) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Price was $645, price is now $540 per person
$540
per person
just found
Check in was fast and friendly. The casino was exciting and I won $200!! Get your car to the North parking lot is kinda of a hassle.

Reviewed on Sep 2, 2025

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
4.0-star property

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

8.8/10 Excellent! (1,017 reviews)

Oct 24 - Oct 27

3 night stay

Austin (AUS) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Price was $574, price is now $481 per person
$481
per person
just found
This is a very unique, colorful & artistically interesting property! I would highly recommend and would definitely stay here again!

Reviewed on Sep 9, 2024

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More About Flying To St. Louis from Killeen

Route Information for Flights from Killeen to St. Louis

Origin Airport IATA Code
ILE
Destination Airport IATA Code
STL
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Killeen to St. Louis

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Frequently asked questions

Are there non-stop flights from Killeen to St. Louis?
Get set to pack your suitcase, because there are two airlines that operate direct flights from Austin-Bergstrom Intl. Airport (AUS) to STL. You can book a seat with Southwest Airlines and American Airlines.
What is the shortest flight from Killeen to St. Louis?
If conditions are good and there are no delays, you could be touching down at STL from Killeen-Fort Hood Regional Airport in only 2 hours and 40 minutes. With such a quick flight time, think about taking just carry-on luggage.
What airlines fly from Killeen to St. Louis most frequently?
The airlines that fly frequently between Austin-Bergstrom Intl. Airport (AUS) and Lambert-St. Louis Intl. Airport (STL) include Southwest Airlines (WN). This popular option offers 60 flights on the route each month. Alternatively, book your favorite seat with American Airlines (AA). You'll have 34 monthly flights between Killeen and St. Louis to select from with this company.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.