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$378+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ACT — STL
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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Find 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 October 26, 2025.

This American Airlines deal was found by Cheapflights users on 10/23. 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 10/246:06 pmACT - STL
1 stop5h 12mAmerican Airlines
Sun 10/265:11 amSTL - ACT
1 stop4h 43mAmerican Airlines
Deal found 10/23$518

Cheap 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 October 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$378
(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
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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 October 26, 2025.
Use the filters below to find and compare flights from Waco to St. Louis that are best for you.

Fly from

Waco

Fly to

St. Louis

Route

Depart

Return

Price

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Wed 4/1

6:47 pm-10:24 pm

1 stop3h 37m

Lambert-St Louis

Sat 4/4

5:59 pm-11:32 pm

1 stop5h 33m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

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 October.
ProviderPrice AccuracyTrust Score*
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 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 Expedia the most. Expedia 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.

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from Waco to St. Louis (average of $87). Flying from Waco to St. Louis in March is currently the most expensive (average of $197). 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 October 26, 2025.
Read reviews from past customers who have flown American Airlines from Waco 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
11,035 reviews

Food

6.4

Boarding

7.5

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

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
11,035 reviews
American Airlines
7.2
Good
11,035 reviews

Food

6.4

Boarding

7.5

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

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 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 3h 37m. The distance from Waco to St. Louis is about 626 mi.

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

    American Airlines, at $186, was found to be the cheapest airline from Waco to St. Louis..

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Waco to St. Louis (average of $87). Flying from Waco to St. Louis in March is currently the most expensive (average of $197). 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 Waco to St. Louis

Discover the top airline that operate flights from Waco 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 October 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$186Average$423FlexibilityNo cancel feeOn-time71%

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