Cheap flights from St. Louis to Waco from $354

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 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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American Airlines Logo
5:20 am - 10:08 am
STL
-
ACT
4h 48m
1 stop
American Airlines Logo
5:05 am - 8:54 am
ACT
-
STL
3h 49m
1 stop
$354American Airlines
Fri, May 1 - Fri, May 8
American Airlines Logo
6:51 pm - 11:35 pm
STL
-
ACT
4h 44m
1 stop
American Airlines Logo
5:59 pm - 10:00 pm
ACT
-
STL
4h 01m
1 stop
$426American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
5:20 am - 10:08 am
STL
-
ACT
4h 48m
1 stop
American Airlines Logo
5:05 am - 8:54 am
ACT
-
STL
3h 49m
1 stop
$468American Airlines
Mon, Apr 20 - Fri, Apr 24
American Airlines Logo
12:27 pm - 11:45 pm
STL
-
ACT
11h 18m
2 stops
American Airlines Logo
5:58 pm - 10:59 pm
ACT
-
STL
5h 01m
1 stop
$474American Airlines
Mon, Apr 20 - Fri, Apr 24
American Airlines Logo
5:20 am - 10:08 am
STL
-
ACT
4h 48m
1 stop
American Airlines Logo
5:05 am - 11:47 am
ACT
-
STL
6h 42m
2 stops
$479American Airlines
Fri, May 1 - Fri, May 8
American Airlines Logo
7:26 pm - 11:33 pm
STL
-
ACT
4h 07m
1 stop
American Airlines Logo
6:06 pm - 11:56 pm
ACT
-
STL
5h 50m
1 stop
$558American Airlines
Thu, Jul 16 - Mon, Jul 20
American Airlines Logo
5:40 am - 10:44 am
STL
-
ACT
5h 04m
1 stop
American Airlines Logo
11:10 am - 8:19 pm
ACT
-
STL
9h 09m
2 stops
$582American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
7:23 am - 5:33 pm
STL
-
ACT
10h 10m
2 stops
American Airlines Logo
5:59 pm - 10:00 pm
ACT
-
STL
4h 01m
1 stop
$585American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
7:23 am - 5:33 pm
STL
-
ACT
10h 10m
2 stops
American Airlines Logo
5:59 pm - 11:41 pm
ACT
-
STL
5h 42m
1 stop
$590American Airlines
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
7:23 am - 5:33 pm
STL
-
ACT
10h 10m
2 stops
American Airlines Logo
11:10 am - 8:19 pm
ACT
-
STL
9h 09m
2 stops
$648American Airlines
Thu, Aug 6 - Tue, Aug 11

American Airlines flights from St. Louis to Waco

Our best American Airlines deals on St. Louis to Waco flight tickets
American Airlines
May 1
STL5:20 amLambert-St Louis
4h 48m
1 stop
ACT10:08 amWaco
May 8
ACT5:05 amWaco
3h 49m
1 stop
STL8:54 amLambert-St Louis
$354
American Airlines
Aug 6
STL6:51 pmLambert-St Louis
4h 44m
1 stop
ACT11:35 pmWaco
Aug 11
ACT5:59 pmWaco
4h 01m
1 stop
STL10:00 pmLambert-St Louis
$426
American Airlines
Apr 20
STL5:20 amLambert-St Louis
4h 48m
1 stop
ACT10:08 amWaco
Apr 24
ACT5:05 amWaco
3h 49m
1 stop
STL8:54 amLambert-St Louis
$468

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 April 5, 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

Fri 5/1

5:20 am-10:08 am

1 stop4h 48m

Waco

Fri 5/8

5:05 am-8:54 am

1 stop3h 49m

$354

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

6:51 pm-11:35 pm

1 stop4h 44m

Waco

Tue 8/11

5:59 pm-10:00 pm

1 stop4h 01m

$426

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Mon 4/20

5:20 am-10:08 am

1 stop4h 48m

Waco

Fri 4/24

5:05 am-8:54 am

1 stop3h 49m

$468

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Mon 4/20

12:27 pm-11:45 pm

2 stops11h 18m

Waco

Fri 4/24

5:58 pm-10:59 pm

1 stop5h 01m

$474

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 5/1

5:20 am-10:08 am

1 stop4h 48m

Waco

Fri 5/8

5:05 am-11:47 am

2 stops6h 42m

$479

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 7/16

7:26 pm-11:33 pm

1 stop4h 07m

Waco

Mon 7/20

6:06 pm-11:56 pm

1 stop5h 50m

$558

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

5:40 am-10:44 am

1 stop5h 04m

Waco

Tue 8/11

11:10 am-8:19 pm

2 stops9h 09m

$582

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

7:23 am-5:33 pm

2 stops10h 10m

Waco

Tue 8/11

5:59 pm-10:00 pm

1 stop4h 01m

$585

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

7:23 am-5:33 pm

2 stops10h 10m

Waco

Tue 8/11

5:59 pm-11:41 pm

1 stop5h 42m

$590

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 8/6

7:23 am-5:33 pm

2 stops10h 10m

Waco

Tue 8/11

11:10 am-8:19 pm

2 stops9h 09m

$648

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 07m

Direct flights

None
The fastest flight from St. Louis to Waco takes 4h 07m
There are no direct flights from St. Louis to Waco. There are no popular flight routes from St. Louis to Waco.

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 07m, 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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1 adult
Tue 5/5
Tue 5/12

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