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Cheap flights from St. Louis to Waco from $362

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 9/18. 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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Find the cheapest flights from St. Louis to Waco (STL-ACT)

Cheap round-trip flights

American Airlines Logo
5:18 am - 9:47 amSTL-ACT
4h 29m1 stop
American Airlines Logo
6:51 pm - 10:23 pmACT-STL
3h 32m1 stop
$362American Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
American Airlines Logo
3:59 pm - 10:10 pmSTL-ACT
6h 11m1 stop
American Airlines Logo
5:29 am - 9:12 amACT-STL
3h 43m1 stop
$416American Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
7:23 am - 5:59 pmSTL-ACT
10h 36m2 stops
American Airlines Logo
5:29 am - 11:52 amACT-STL
6h 23m1 stop
$422American Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
5:20 am - 9:50 amSTL-ACT
4h 30m1 stop
American Airlines Logo
6:46 pm - 11:49 pmACT-STL
5h 03m1 stop
$436American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
5:18 am - 9:47 amSTL-ACT
4h 29m1 stop
American Airlines Logo
5:29 am - 1:23 pmACT-STL
7h 54m2 stops
$442American Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
American Airlines Logo
9:56 am - 5:59 pmSTL-ACT
8h 03m2 stops
American Airlines Logo
5:29 am - 1:23 pmACT-STL
7h 54m2 stops
$466American Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
American Airlines Logo
5:20 am - 9:50 amSTL-ACT
4h 30m1 stop
American Airlines Logo
5:09 am - 9:20 amACT-STL
4h 11m1 stop
$531American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
5:20 am - 9:50 amSTL-ACT
4h 30m1 stop
American Airlines Logo
5:09 am - 1:44 pmACT-STL
8h 35m2 stops
$565American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
2:15 pm - 10:35 pmSTL-ACT
8h 20m2 stops
American Airlines Logo
6:46 pm - 8:09 amACT-STL
13h 23m2 stops
$668American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
2:15 pm - 10:35 pmSTL-ACT
8h 20m2 stops
American Airlines Logo
5:09 am - 1:44 pmACT-STL
8h 35m2 stops
$697American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26

American Airlines flights from St. Louis to Waco

Our best American Airlines deals on St. Louis to Waco flight tickets
American Airlines
Sep 18
STL5:18 amLambert-St Louis
4h 29m
1 stop
ACT9:47 amWaco
Sep 25
ACT6:51 pmWaco
3h 32m
1 stop
STL10:23 pmLambert-St Louis
$362
Find similar
American Airlines
Sep 3
STL3:59 pmLambert-St Louis
6h 11m
1 stop
ACT10:10 pmWaco
Sep 7
ACT5:29 amWaco
3h 43m
1 stop
STL9:12 amLambert-St Louis
$416
Find similar
American Airlines
Sep 3
STL7:23 amLambert-St Louis
10h 36m
2 stops
ACT5:59 pmWaco
Sep 7
ACT5:29 amWaco
6h 23m
1 stop
STL11:52 amLambert-St Louis
$422
Find similar

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 August 21, 2025.
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

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 9/18

5:18 am-9:47 am

1 stop4h 29m

Waco

Thu 9/25

6:51 pm-10:23 pm

1 stop3h 32m

$362

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Wed 9/3

3:59 pm-10:10 pm

1 stop6h 11m

Waco

Sun 9/7

5:29 am-9:12 am

1 stop3h 43m

$416

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Wed 9/3

7:23 am-5:59 pm

2 stops10h 36m

Waco

Sun 9/7

5:29 am-11:52 am

1 stop6h 23m

$422

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

5:20 am-9:50 am

1 stop4h 30m

Waco

Sun 10/26

6:46 pm-11:49 pm

1 stop5h 03m

$436

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 9/18

5:18 am-9:47 am

1 stop4h 29m

Waco

Thu 9/25

5:29 am-1:23 pm

2 stops7h 54m

$442

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Wed 9/3

9:56 am-5:59 pm

2 stops8h 03m

Waco

Sun 9/7

5:29 am-1:23 pm

2 stops7h 54m

$466

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

5:20 am-9:50 am

1 stop4h 30m

Waco

Sun 10/26

5:09 am-9:20 am

1 stop4h 11m

$531

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

5:20 am-9:50 am

1 stop4h 30m

Waco

Sun 10/26

5:09 am-1:44 pm

2 stops8h 35m

$565

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

2:15 pm-10:35 pm

2 stops8h 20m

Waco

Sun 10/26

6:46 pm-8:09 am

2 stops13h 23m

$668

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

2:15 pm-10:35 pm

2 stops8h 20m

Waco

Sun 10/26

5:09 am-1:44 pm

2 stops8h 35m

$697

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 is the cheapest day to depart on your flight to Waco?

According to our data, Monday is the cheapest day to fly to Waco from St. Louis. The lowest ticket price found for a Monday departure recently was $342. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Waco on a Friday will generally be more expensive and average around $425. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Waco?

Flying to Waco from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $373 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Waco is in the afternoon when prices are around $407.

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

Direct flights

None
There are no direct flights from St. Louis to Waco. There are no popular flight routes from St. Louis to Waco.
Search flight deals

  • 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 29m, 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 many operators does momondo search for flights from Lambert-St Louis Airport to Waco Airport?

  • 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.

  • What is the most popular airline from St. Louis to Waco?

Best airlines flying from St. Louis to Waco

Compare and see reviews for airlines that fly from St. Louis to Waco with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $206Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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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.

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