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Cheap flights from St. Louis to Waco from $440

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Waco departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Waco

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:11 pm - 8:48 pm
STL
-
ACT
3h 37m
1 stop
American Airlines Logo
7:45 am - 12:15 pm
ACT
-
STL
4h 30m
1 stop
$440American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
11:35 am - 5:43 pm
STL
-
ACT
6h 08m
1 stop
American Airlines Logo
5:42 pm - 10:56 pm
ACT
-
STL
5h 14m
1 stop
$481American Airlines
Tue, Dec 15 - Sun, Dec 20
American Airlines Logo
5:42 am - 10:40 am
STL
-
ACT
4h 58m
1 stop
American Airlines Logo
11:10 am - 6:05 pm
ACT
-
STL
6h 55m
1 stop
$522American Airlines
Sun, Aug 16 - Sun, Aug 23
American Airlines Logo
6:45 pm - 11:44 pm
STL
-
ACT
4h 59m
1 stop
American Airlines Logo
11:10 am - 6:05 pm
ACT
-
STL
6h 55m
1 stop
$599American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
11:31 am - 11:47 pm
STL
-
ACT
12h 16m
2 stops
American Airlines Logo
10:27 am - 5:10 pm
ACT
-
STL
6h 43m
1 stop
$608American Airlines
Tue, Dec 15 - Sun, Dec 20
American Airlines Logo
9:31 am - 5:30 pm
STL
-
ACT
7h 59m
2 stops
American Airlines Logo
11:10 am - 6:05 pm
ACT
-
STL
6h 55m
1 stop
$628American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
9:32 am - 8:48 pm
STL
-
ACT
11h 16m
2 stops
American Airlines Logo
5:10 am - 9:24 am
ACT
-
STL
4h 14m
1 stop
$660American Airlines
Fri, Aug 28 - Mon, Sep 7
American Airlines Logo
6:45 pm - 11:44 pm
STL
-
ACT
4h 59m
1 stop
American Airlines Logo
11:10 am - 12:14 am
ACT
-
STL
13h 04m
2 stops
$677American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
12:45 pm - 5:30 pm
STL
-
ACT
4h 45m
1 stop
American Airlines Logo
5:10 am - 12:54 pm
ACT
-
STL
7h 44m
2 stops
$678American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
6:45 pm - 11:44 pm
STL
-
ACT
4h 59m
1 stop
American Airlines Logo
11:10 am - 7:28 pm
ACT
-
STL
8h 18m
2 stops
$710American Airlines
Sun, Aug 16 - Sun, Aug 23

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American Airlines flights from St. Louis to Waco

Our best American Airlines deals on St. Louis to Waco flight tickets
American Airlines
Sep 5
STL5:11 pmLambert-St Louis
3h 37m
1 stop
ACT8:48 pmWaco
Sep 6
ACT7:45 amWaco
4h 30m
1 stop
STL12:15 pmLambert-St Louis
$440
American Airlines
Dec 15
STL11:35 amLambert-St Louis
6h 08m
1 stop
ACT5:43 pmWaco
Dec 20
ACT5:42 pmWaco
5h 14m
1 stop
STL10:56 pmLambert-St Louis
$481
American Airlines
Aug 16
STL5:42 amLambert-St Louis
4h 58m
1 stop
ACT10:40 amWaco
Aug 23
ACT11:10 amWaco
6h 55m
1 stop
STL6:05 pmLambert-St Louis
$522

momondo 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, momondo users made 832,500 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from St. Louis to Waco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Sat 9/5

5:11 pm-8:48 pm

1 stop3h 37m

Waco

Sun 9/6

7:45 am-12:15 pm

1 stop4h 30m

$440

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Tue 12/15

11:35 am-5:43 pm

1 stop6h 08m

Waco

Sun 12/20

5:42 pm-10:56 pm

1 stop5h 14m

$481

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Sun 8/16

5:42 am-10:40 am

1 stop4h 58m

Waco

Sun 8/23

11:10 am-6:05 pm

1 stop6h 55m

$522

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

6:45 pm-11:44 pm

1 stop4h 59m

Waco

Tue 8/11

11:10 am-6:05 pm

1 stop6h 55m

$599

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Tue 12/15

11:31 am-11:47 pm

2 stops12h 16m

Waco

Sun 12/20

10:27 am-5:10 pm

1 stop6h 43m

$608

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Sat 9/5

9:31 am-5:30 pm

2 stops7h 59m

Waco

Sun 9/6

11:10 am-6:05 pm

1 stop6h 55m

$628

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 8/28

9:32 am-8:48 pm

2 stops11h 16m

Waco

Mon 9/7

5:10 am-9:24 am

1 stop4h 14m

$660

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

6:45 pm-11:44 pm

1 stop4h 59m

Waco

Tue 8/11

11:10 am-12:14 am

2 stops13h 04m

$677

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

12:45 pm-5:30 pm

1 stop4h 45m

Waco

Tue 8/11

5:10 am-12:54 pm

2 stops7h 44m

$678

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Sun 8/16

6:45 pm-11:44 pm

1 stop4h 59m

Waco

Sun 8/23

11:10 am-7:28 pm

2 stops8h 18m

$710

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Waco from

How to get the cheapest flight ticket from St. Louis to Waco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Waco?

Southwest, American Airlines and Frontier are the top three most popular airlines that fly to Waco from St. Louis according to our data. Southwest is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Waco. Keep in mind that there are 6 different airlines that fly to Waco on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Waco

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Waco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Waco (STL to ACT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Waco

Fastest flight time

4h 58m

Direct flights

None
The fastest flight from St. Louis to Waco takes 4h 58m
There are no direct flights from St. Louis to Waco. There are no popular flight routes from St. Louis to Waco.
Search flight deals

Frequently asked questions about flying from St. Louis to Waco

  • How far is Lambert-St Louis to Waco by plane?

    The distance between Lambert-St Louis and Waco is about 626.4 mi. Flights usually cover this in 4h 58m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Waco Airport?

    Prices for flights from Lambert-St Louis Airport to Waco Airport refresh daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Waco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Waco Airport.

  • What documentation or ID do you need to fly to Waco Airport?

    The required travel and health documents for your Waco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Waco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Waco?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Waco. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Waco with flexible booking policies on momondo?

momondo does allow users to show only those flights to Waco from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Waco?

momondo helps you find the best flight between St. Louis and Waco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Waco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Waco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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