$334+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ACT — STL
Apr 23 — Apr 301
Round-trip
1 adult, Economy
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Find cheap flights from Waco to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Waco to St. Louis
Cheapest
Best
Last-minute
Cheapest flights from Waco to St. LouisExplore 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 March 24, 2026.
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 March 24, 2026.
This American Airlines deal was found by Cheapflights users on 3/23. 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 5/85:58 pm
ACT
- STL
1 stop5h 01m
American Airlines
Sun 5/105:20 am
STL
- ACT
1 stop4h 48m
American Airlines
Deal found 3/23![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 4/155:05 am
ACT
- STL
1 stop6h 32m
American Airlines
Fri 4/175:20 am
STL
- ACT
1 stop4h 48m
American Airlines
Deal found 3/21![American Airlines logo]()
$388
Best flights from Waco to St. LouisDiscover carefully curated flight deals from Waco to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
Discover carefully curated flight deals from Waco to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 4/155:05 am
ACT
- STL
1 stop6h 32m
American Airlines
Fri 4/175:20 am
STL
- ACT
1 stop4h 48m
American Airlines
Deal found 3/21![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 3/23. 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 5/85:05 am
ACT
- STL
2 stops8h 58m
American Airlines
Sun 5/105:20 am
STL
- ACT
1 stop4h 48m
American Airlines
Deal found 3/23![American Airlines logo]()
$459
Last-minute flights from Waco to St. LouisDiscover last-minute flight deals from Waco to St. Louis. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Waco to St. Louis. Data last updated March 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 4/155:05 am
ACT
- STL
1 stop6h 32m
American Airlines
Fri 4/175:20 am
STL
- ACT
1 stop4h 48m
American Airlines
Deal found 3/21![American Airlines logo]()
$388
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 March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (American Airlines) |
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 March 24, 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
Cheapest round-trip
Quickest round-trip
WacoSt. Louis
ACT - STL
ACTSTL
Waco
Wed 4/15
5:05 am-11:37 am
1 stop6h 32m
Lambert-St Louis
Fri 4/17
5:20 am-10:08 am
1 stop4h 48m
$388
WacoSt. Louis
ACT - STL
ACTSTL
Waco
Fri 5/8
5:05 am-2:03 pm
2 stops8h 58m
Lambert-St Louis
Sun 5/10
5:20 am-10:08 am
1 stop4h 48m
$459
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ACT-STL
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
Related info for your journey
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Traveling to a place near St. Louis?
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