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$500+ Cheap flights from Waco to St. Louis (ACT - 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ACT — STL
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
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Cheap flight deals from Waco to St. Louis

Cheapest flights from Waco to St. Louis
Explore the most affordable flight options available from Waco to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.

This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sat 7/255:10 am
ACT
-
STL
1 stop3h 36m
American Airlines
Wed 7/295:32 am
STL
-
ACT
1 stop5h 08m
American Airlines
Deal found 7/10$500
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sat 7/256:12 pm
ACT
-
STL
1 stop5h 46m
American Airlines
Fri 7/317:22 pm
STL
-
ACT
1 stop4h 11m
American Airlines
Deal found 7/10$599
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 7/176:13 pm
ACT
-
STL
1 stop3h 35m
American Airlines
Sun 7/197:22 pm
STL
-
ACT
1 stop4h 11m
American Airlines
Deal found 7/10$618
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 7/276:13 pm
ACT
-
STL
1 stop5h 45m
American Airlines
Fri 7/317:22 pm
STL
-
ACT
1 stop15h 18m
American Airlines
Deal found 7/12$953

Find flight deals from Waco to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Waco (ACT) 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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$500
(American Airlines)
Provider with most accurate pricing for Waco-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waco-Lambert-St Louis flights.
Search Deals
From Waco to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Waco 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 July 14, 2026.
Use the filters below to find and compare flights from Waco to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Tue 7/28

6:13 pm-11:58 pm

1 stop5h 45m

Lambert-St Louis

Sat 8/1

5:33 am-10:40 am

1 stop5h 07m

$500
Quickest round-trip

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Sat 7/25

5:10 am-8:46 am

1 stop3h 36m

Lambert-St Louis

Wed 7/29

5:32 am-10:40 am

1 stop5h 08m

$500

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Sat 7/25

5:10 am-2:05 pm

2 stops8h 55m

Lambert-St Louis

Fri 7/31

1:27 pm-11:33 pm

2 stops10h 06m

$777

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Mon 7/27

6:13 pm-11:58 pm

1 stop5h 45m

Lambert-St Louis

Fri 7/31

7:22 pm-10:40 am

1 stop15h 18m

$953
Cheapest one-way
Quickest one-way

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Sun 10/25

6:05 pm-9:59 pm

1 stop3h 54m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first

Compare providers for flights from Waco 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 Waco to St. Louis in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 Waco-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waco-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waco-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waco-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub 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 Waco-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 Waco to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Waco 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.

Related info for your journey

Find useful and relevant information for your journey from Waco 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 Waco to St. Louis?

    Departing from Waco to St. Louis will take you 5h 45m. The distance from Waco to St. Louis is about 626 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Waco 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.

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
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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