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$402+ Cheap flights from St. Louis to Waco (STL - ACT)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from St. Louis to Waco

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Waco (ACT). 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 August 14, 2025.

Round-trip from

$402
(American Airlines)
From Lambert-St Louis to Waco
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Find flight deals from St. Louis to Waco

Cheapest flights from St. Louis to Waco
Explore the most affordable flight options available from St. Louis to Waco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 10/245:20 amSTL - ACT
1 stop4h 30mAmerican Airlines
Sun 10/266:46 pmACT - STL
1 stop5h 03mAmerican Airlines
Deal found 8/13$402
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/185:15 amSTL - ACT
1 stop4h 24mAmerican Airlines
Sun 8/245:09 amACT - STL
1 stop3h 51mAmerican Airlines
Deal found 8/13$498

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Waco 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 August 14, 2025.
Use the filters below to find and compare flights from St. Louis to Waco that are best for you.

Fly from

St. Louis

Fly to

Waco

Route

Depart

Return

Price

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

5:20 am-9:50 am

1 stop4h 30m

Waco

Sun 10/26

6:46 pm-11:49 pm

1 stop5h 03m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

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

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Waco (average of $319). Flying from St. Louis to Waco in December is currently the most expensive (average of $486). 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.

What is the cheapest time of day to fly from STL to ACT?

Find hourly flight availability from St. Louis to Waco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from St. Louis to Waco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

Reviews of airlines servicing Waco

Get insights into the airlines that provide service to Waco. 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 Waco. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with American Airlines from St. Louis to Waco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

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

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

    Flying on American Airlines is currently your cheapest option to Waco, with prices starting at $206.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Waco 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 St. Louis to Waco?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Waco (average of $319). Flying from St. Louis to Waco in December is currently the most expensive (average of $486). 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.

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Top airline flying from St. Louis to Waco

Discover the top airline that operate flights from St. Louis to Waco. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$206Average$419FlexibilityNo cancel feeOn-time71%

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