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

American Airlines, at $360, was found to be the cheapest airline from Waco to St. Louis..

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

When flying from Waco to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 3% versus a flight at noon.

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.

$360+ Flights from Waco to St. Louis

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Cheap flight deals from Waco to St. Louis

Round-trip from	$360 (American Airlines)

From Waco to Lambert-St Louis

Search Deals

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 July 3, 2025.

Sun 8/36:15 pmACT - STL

1 stop4h 42mAmerican Airlines

Sun 8/107:41 pmSTL - ACT

1 stop3h 37mAmerican Airlines

Deal found 6/30

$360

Best flights from Waco to St. Louis
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 July 3, 2025.

Sun 8/36:15 pmACT - STL

1 stop4h 42mAmerican Airlines

Sun 8/107:41 pmSTL - ACT

1 stop3h 37mAmerican Airlines

Deal found 6/30

$360

Last-minute flights from Waco to St. Louis
Discover last-minute flight deals from Waco to St. Louis. Data last updated July 3, 2025 and is based on user searches.

Sun 8/36:15 pmACT - STL

1 stop4h 42mAmerican Airlines

Sun 8/107:41 pmSTL - ACT

1 stop3h 37mAmerican Airlines

Deal found 6/30

$360

Cheapflights Fare Finder

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

WacoSt. Louis

ACT - STL

ACTSTL

Waco

Sun 8/3

6:15 pm-10:57 pm

1 stop4h 42m

Lambert-St Louis

Sun 8/10

7:41 pm-11:18 pm

1 stop3h 37m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $311). Flying from Waco to St. Louis in March is currently the most expensive (average of $356). 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

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

10,000 reviews

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

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

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

What is the cheapest airline to fly from Waco to St. Louis round-trip?
American Airlines, at $360, 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 $311). Flying from Waco to St. Louis in March is currently the most expensive (average of $356). 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

O'Fallon

Maryland Heights

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Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Waco to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$186	Average$601	FlexibilityNo cancel fee	On-time71%

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$360+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Waco to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Waco to St. Louis

Round-trip from

Find flight deals from Waco to St. Louis

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 July 3, 2025.

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 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Waco to St. Louis that are best for you.

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.

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?

Reviews of airlines servicing St. Louis

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.

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.

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

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

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

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

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

Traveling to a place near Waco?

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Alternative routes for Waco to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Waco to St. Louis

100% Free

Book with Flexibility

Travel Smart

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 3, 2025.