$202 Cheap Flights from St. Louis (STL) to Waco (ACT)

View $202 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Waco, TX (ACT-Waco Regional)

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Cheap Flights from St. Louis to Waco (STL-ACT)

Prices were available within the past 7 days and start at $202 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 22 - Thu, Dec 4
STL
St. Louis
ACT
Waco
$308 Roundtrip, found 3 hours ago
$308
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Nov 22 from St. Louis to Waco, returning Thu, Dec 4, priced at $308 found 3 hours ago
American Airlines
Wed, Oct 22 - Sat, Oct 25
STL
St. Louis
ACT
Waco
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 22 from St. Louis to Waco, returning Sat, Oct 25, priced at $348 found 1 day ago
American Airlines
Mon, Dec 15 - Mon, Dec 22
STL
St. Louis
ACT
Waco
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 15 from St. Louis to Waco, returning Mon, Dec 22, priced at $356 found 1 day ago
American Airlines
Sat, Nov 22 - Thu, Dec 4
STL
St. Louis
ACT
Waco
$378 Roundtrip, found 3 hours ago
$378
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Nov 22 from St. Louis to Waco, returning Thu, Dec 4, priced at $378 found 3 hours ago
American Airlines
Wed, Oct 29 - Tue, Nov 4
STL
St. Louis
ACT
Waco
$380 Roundtrip, found 5 days ago
$380
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 29 from St. Louis to Waco, returning Tue, Nov 4, priced at $380 found 5 days ago
American Airlines
Mon, Nov 3 - Tue, Nov 11
STL
St. Louis
ACT
Waco
$381 Roundtrip, found 6 days ago
$381
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 3 from St. Louis to Waco, returning Tue, Nov 11, priced at $381 found 6 days ago
American Airlines
Thu, Nov 20 - Thu, Nov 27
STL
St. Louis
ACT
Waco
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Nov 20 from St. Louis to Waco, returning Thu, Nov 27, priced at $382 found 5 days ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
STL
St. Louis
ACT
Waco
$398 Roundtrip, found 1 day ago
$398
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 24 from St. Louis to Waco, returning Tue, Oct 28, priced at $398 found 1 day ago
American Airlines
Sat, Oct 18 - Tue, Oct 21
STL
St. Louis
ACT
Waco
$400 Roundtrip, found 6 days ago
$400
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from St. Louis to Waco, returning Tue, Oct 21, priced at $400 found 6 days ago
American Airlines
Sat, Nov 22 - Thu, Dec 4
STL
St. Louis
ACT
Waco
$401 Roundtrip, found 2 days ago
$401
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Nov 22 from St. Louis to Waco, returning Thu, Dec 4, priced at $401 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Waco (ACT)

April is typically the cheapest month to fly

From $206 - $568 per traveler.

Alternative airports near Waco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Waco Regional ACT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $460
ACT
Waco Regional
CheapestClosest
Average driving time to city center11 min
Flights from $460

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT) cost?
Grab a cheap one-way flight from $202 or cheap return flight from $308 from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT)?
November is the least expensive month to fly from STL to ACT. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to ACT flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT)?
You'll have to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STL to ACT?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT) last-minute?
Booking your plane ticket from STL to ACT just before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to ACT flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to ACT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Waco Regional Airport (ACT)?
Typically, you can cancel or reschedule your STL to ACT flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Waco Regional
Airlines serving
American Airlines
Roundtrip price
$308
Distance
626 mi

Book with confidence

Book with confidence

St. Louis to Waco Flights

The cheapest times to fly from St. Louis to Waco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Waco are during the month of November. You can find some of the cheapest flights from St. Louis to Waco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Waco

Sunday is one of the best days to book for cheap flights from St. Louis to Waco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Waco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Waco in 2025. You can also book with separate airlines for your outbound and return journeys, from $202 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Waco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Waco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Waco Flights

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Explore a world of travel with Expedia

*Available to One Key members.