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Cheap flights from Wausau to St. Louis from $409

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Wausau to St. Louis departing on 8/9. 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 Wausau to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:01 am - 10:23 am
CWA
-
STL
3h 22m
1 stop
Delta Logo
5:34 pm - 9:19 pm
STL
-
CWA
3h 45m
1 stop
$409Delta
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
6:00 am - 12:54 pm
CWA
-
STL
6h 54m
1 stop
American Airlines Logo
8:07 pm - 11:56 pm
STL
-
CWA
3h 49m
1 stop
$490American Airlines
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
9:54 am - 4:24 pm
CWA
-
STL
6h 30m
1 stop
American Airlines Logo
9:32 am - 4:10 pm
STL
-
CWA
6h 38m
1 stop
$517American Airlines
Tue, Aug 25 - Fri, Aug 28
Delta Logo
7:01 am - 10:23 am
CWA
-
STL
3h 22m
1 stop
Delta Logo
6:30 am - 3:42 pm
STL
-
CWA
9h 12m
2 stops
$534Delta
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
8:10 am - 12:06 pm
CWA
-
STL
3h 56m
1 stop
United Airlines Logo
1:08 pm - 10:42 pm
STL
-
CWA
9h 34m
1 stop
$541United Airlines
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
6:51 pm - 12:16 am
CWA
-
STL
5h 25m
1 stop
American Airlines Logo
7:56 pm - 12:19 am
STL
-
CWA
4h 23m
1 stop
$545American Airlines
Mon, Jul 27 - Fri, Jul 31
American Airlines Logo
9:54 am - 10:55 pm
CWA
-
STL
13h 01m
2 stops
American Airlines Logo
8:07 pm - 11:56 pm
STL
-
CWA
3h 49m
1 stop
$611American Airlines
Tue, Aug 25 - Fri, Aug 28
American Airlines Logo
9:54 am - 4:24 pm
CWA
-
STL
6h 30m
1 stop
American Airlines Logo
12:45 pm - 11:56 pm
STL
-
CWA
11h 11m
2 stops
$616American Airlines
Sun, Aug 30 - Mon, Aug 31
American Airlines Logo
6:00 am - 12:54 pm
CWA
-
STL
6h 54m
1 stop
American Airlines Logo
5:23 am - 4:10 pm
STL
-
CWA
10h 47m
2 stops
$626American Airlines
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
6:51 pm - 12:16 am
CWA
-
STL
5h 25m
1 stop
American Airlines Logo
12:35 pm - 12:19 am
STL
-
CWA
11h 44m
2 stops
$630American Airlines
Mon, Jul 27 - Fri, Jul 31

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Delta flights from Wausau to St. Louis

Our best Delta deals on Wausau to St. Louis flight tickets
Delta
Jul 17
CWA7:00 amWausau Central Wisconsin
3h 28m
1 stop
STL10:28 amLambert-St Louis
Jul 20
STL3:57 pmLambert-St Louis
5h 18m
1 stop
CWA9:15 pmWausau Central Wisconsin
$374
Delta
Jul 18
CWA7:00 amWausau Central Wisconsin
10h 24m
2 stops
STL5:24 pmLambert-St Louis
Jul 21
STL5:36 pmLambert-St Louis
3h 39m
1 stop
CWA9:15 pmWausau Central Wisconsin
$400
Delta
Aug 9
CWA7:01 amWausau Central Wisconsin
3h 22m
1 stop
STL10:23 amLambert-St Louis
Aug 16
STL5:34 pmLambert-St Louis
3h 45m
1 stop
CWA9:19 pmWausau Central Wisconsin
$409

American Airlines flights from Wausau to St. Louis

Our best American Airlines deals on Wausau to St. Louis flight tickets
American Airlines
Jul 23
CWA6:51 pmWausau Central Wisconsin
5h 25m
1 stop
STL12:16 amLambert-St Louis
Jul 30
STL7:56 pmLambert-St Louis
4h 23m
1 stop
CWA12:19 amWausau Central Wisconsin
$339
American Airlines
Jul 17
CWA6:51 pmWausau Central Wisconsin
5h 25m
1 stop
STL12:16 amLambert-St Louis
Jul 20
STL7:56 pmLambert-St Louis
4h 23m
1 stop
CWA12:19 amWausau Central Wisconsin
$389
American Airlines
Jul 17
CWA6:51 pmWausau Central Wisconsin
5h 25m
1 stop
STL12:16 amLambert-St Louis
Jul 19
STL7:55 pmLambert-St Louis
4h 24m
1 stop
CWA12:19 amWausau Central Wisconsin
$429

momondo Fare Finder

 
Customize your flight search to find flights from Wausau to St. Louis 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 15, 2026.
Use the filters below to find and compare flights from Wausau to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 8/9

7:01 am-10:23 am

1 stop3h 22m

Lambert-St Louis

Sun 8/16

5:34 pm-9:19 pm

1 stop3h 45m

$409

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 8/9

6:00 am-12:54 pm

1 stop6h 54m

Lambert-St Louis

Sun 8/16

8:07 pm-11:56 pm

1 stop3h 49m

$490

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Tue 8/25

9:54 am-4:24 pm

1 stop6h 30m

Lambert-St Louis

Fri 8/28

9:32 am-4:10 pm

1 stop6h 38m

$517

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 8/9

7:01 am-10:23 am

1 stop3h 22m

Lambert-St Louis

Sun 8/16

6:30 am-3:42 pm

2 stops9h 12m

$534

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 12/12

8:10 am-12:06 pm

1 stop3h 56m

Lambert-St Louis

Wed 12/16

1:08 pm-10:42 pm

1 stop9h 34m

$541

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Mon 7/27

6:51 pm-12:16 am

1 stop5h 25m

Lambert-St Louis

Fri 7/31

7:56 pm-12:19 am

1 stop4h 23m

$545

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Tue 8/25

9:54 am-10:55 pm

2 stops13h 01m

Lambert-St Louis

Fri 8/28

8:07 pm-11:56 pm

1 stop3h 49m

$611

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 8/30

9:54 am-4:24 pm

1 stop6h 30m

Lambert-St Louis

Mon 8/31

12:45 pm-11:56 pm

2 stops11h 11m

$616

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 8/9

6:00 am-12:54 pm

1 stop6h 54m

Lambert-St Louis

Sun 8/16

5:23 am-4:10 pm

2 stops10h 47m

$626

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Mon 7/27

6:51 pm-12:16 am

1 stop5h 25m

Lambert-St Louis

Fri 7/31

12:35 pm-12:19 am

2 stops11h 44m

$630

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 St. Louis?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to St. Louis from Wausau according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When to book flights from Wausau to St. Louis

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

Cheap Wausau to St. Louis (CWA to STL) flight deals and tips

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

Fastest flight time

3h 22m

Direct flights

None
The fastest flight from Wausau to St. Louis takes 3h 22m
There are no direct flights from Wausau to St. Louis. There are no popular flight routes from Wausau to St. Louis.
Search flight deals

Frequently asked questions about flying from Wausau to St. Louis

  • How far is Wausau Central Wisconsin to Lambert-St Louis by plane?

    The distance between Wausau Central Wisconsin and Lambert-St Louis is about 438.2 mi. Flights usually cover this in 3h 22m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Wausau Central Wisconsin Airport to Lambert-St Louis Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wausau Central Wisconsin Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

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

It is quick and easy to find Wausau to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. All flights to St. Louis from Wausau on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Wausau to St. Louis.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Wausau and alert you when they change.

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