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Cheap flights from St. Louis to Wausau from $549

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 Wausau departing on 7/22. 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 Wausau

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 10:20 am
STL
-
CWA
4h 20m
1 stop
United Airlines Logo
10:55 am - 5:23 pm
CWA
-
STL
6h 28m
1 stop
$549United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
6:00 am - 10:20 am
STL
-
CWA
4h 20m
1 stop
United Airlines Logo
10:55 am - 12:11 pm
CWA
-
STL
25h 16m
1 stop
$557United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
5:10 am - 10:10 am
STL
-
CWA
53h 00m
2 stops
United Airlines Logo
2:35 pm - 9:16 pm
CWA
-
STL
6h 41m
1 stop
$675United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
6:00 am - 10:10 am
STL
-
CWA
52h 10m
2 stops
United Airlines Logo
10:45 am - 3:46 pm
CWA
-
STL
5h 01m
1 stop
$684United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
1:13 pm - 2:00 pm
STL
-
CWA
24h 47m
1 stop
United Airlines Logo
10:55 am - 3:46 pm
CWA
-
STL
4h 51m
1 stop
$800United Airlines
Thu, Jul 23 - Mon, Jul 27
United Airlines Logo
8:35 pm - 10:20 am
STL
-
CWA
13h 45m
1 stop
United Airlines Logo
10:55 am - 8:41 am
CWA
-
STL
21h 46m
1 stop
$819United Airlines
Thu, Jul 23 - Sun, Jul 26
United Airlines Logo
6:00 am - 10:20 am
STL
-
CWA
4h 20m
1 stop
United Airlines Logo
2:35 pm - 6:13 pm
CWA
-
STL
3h 38m
1 stop
$903United Airlines
Wed, Jul 22 - Wed, Jul 22
United Airlines Logo
6:00 am - 10:20 am
STL
-
CWA
4h 20m
1 stop
United Airlines Logo
2:35 pm - 5:42 pm
CWA
-
STL
27h 07m
2 stops
$1,233United Airlines
Wed, Jul 22 - Wed, Jul 22
United Airlines Logo
7:23 pm - 10:10 am
STL
-
CWA
38h 47m
2 stops
United Airlines Logo
6:30 am - 4:07 pm
CWA
-
STL
9h 37m
2 stops
$1,240United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
7:23 pm - 10:10 am
STL
-
CWA
38h 47m
2 stops
United Airlines Logo
10:45 am - 8:43 pm
CWA
-
STL
9h 58m
2 stops
$1,259United Airlines
Sat, May 30 - Wed, Jun 3

United Airlines flights from St. Louis to Wausau

Our best United Airlines deals on St. Louis to Wausau flight tickets
United Airlines
Jul 22
STL6:00 amLambert-St Louis
4h 20m
1 stop
CWA10:20 amWausau Central Wisconsin
Jul 26
CWA10:55 amWausau Central Wisconsin
6h 28m
1 stop
STL5:23 pmLambert-St Louis
$549
United Airlines
Jul 22
STL6:00 amLambert-St Louis
4h 20m
1 stop
CWA10:20 amWausau Central Wisconsin
Jul 26
CWA10:55 amWausau Central Wisconsin
25h 16m
1 stop
STL12:11 pmLambert-St Louis
$557
United Airlines
May 30
STL5:10 amLambert-St Louis
53h 00m
2 stops
CWA10:10 amWausau Central Wisconsin
Jun 3
CWA2:35 pmWausau Central Wisconsin
6h 41m
1 stop
STL9:16 pmLambert-St Louis
$675

Delta flights from St. Louis to Wausau

Our best Delta deals on St. Louis to Wausau flight tickets
Delta
Oct 17
STL5:30 pmLambert-St Louis
3h 42m
1 stop
CWA9:12 pmWausau Central Wisconsin
Oct 24
CWA7:00 amWausau Central Wisconsin
4h 50m
1 stop
STL11:50 amLambert-St Louis
$309
Delta
Oct 17
STL5:30 pmLambert-St Louis
3h 42m
1 stop
CWA9:12 pmWausau Central Wisconsin
Oct 24
CWA4:15 pmWausau Central Wisconsin
7h 24m
2 stops
STL11:39 pmLambert-St Louis
$314
Delta
Oct 10
STL6:45 amLambert-St Louis
9h 03m
2 stops
CWA3:48 pmWausau Central Wisconsin
Oct 17
CWA4:15 pmWausau Central Wisconsin
7h 24m
2 stops
STL11:39 pmLambert-St Louis
$319

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Wausau 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 26, 2026.
Use the filters below to find and compare flights from St. Louis to Wausau that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Wed 7/22

6:00 am-10:20 am

1 stop4h 20m

Wausau Central Wisconsin

Sun 7/26

10:55 am-5:23 pm

1 stop6h 28m

$549

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Wed 7/22

6:00 am-10:20 am

1 stop4h 20m

Wausau Central Wisconsin

Sun 7/26

10:55 am-12:11 pm

1 stop25h 16m

$557

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 5/30

5:10 am-10:10 am

2 stops53h 00m

Wausau Central Wisconsin

Wed 6/3

2:35 pm-9:16 pm

1 stop6h 41m

$675

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 5/30

6:00 am-10:10 am

2 stops52h 10m

Wausau Central Wisconsin

Wed 6/3

10:45 am-3:46 pm

1 stop5h 01m

$684

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 7/23

1:13 pm-2:00 pm

1 stop24h 47m

Wausau Central Wisconsin

Mon 7/27

10:55 am-3:46 pm

1 stop4h 51m

$800

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 7/23

8:35 pm-10:20 am

1 stop13h 45m

Wausau Central Wisconsin

Sun 7/26

10:55 am-8:41 am

1 stop21h 46m

$819
Quickest round-trip

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Wed 7/22

6:00 am-10:20 am

1 stop4h 20m

Wausau Central Wisconsin

Wed 7/22

2:35 pm-6:13 pm

1 stop3h 38m

$903

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Wed 7/22

6:00 am-10:20 am

1 stop4h 20m

Wausau Central Wisconsin

Wed 7/22

2:35 pm-5:42 pm

2 stops27h 07m

$1,233

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 5/30

7:23 pm-10:10 am

2 stops38h 47m

Wausau Central Wisconsin

Wed 6/3

6:30 am-4:07 pm

2 stops9h 37m

$1,240

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 5/30

7:23 pm-10:10 am

2 stops38h 47m

Wausau Central Wisconsin

Wed 6/3

10:45 am-8:43 pm

2 stops9h 58m

$1,259

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Wausau from

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

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 Wausau?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Wausau from St. Louis according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Wausau. Keep in mind that there are 3 different airlines that fly to Wausau on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Wausau

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

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

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

Fastest flight time

3h 42m

Direct flights

None
The fastest flight from St. Louis to Wausau takes 3h 42m
There are no direct flights from St. Louis to Wausau. There are no popular flight routes from St. Louis to Wausau.
Search flight deals

Frequently asked questions about flying from St. Louis to Wausau

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

    Lambert-St Louis and Wausau Central Wisconsin are 438.2 mi apart from one another. In terms of flight time, this usually takes a little over 3h 42m.

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

    Prices for flights from Lambert-St Louis Airport to Wausau Central Wisconsin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Wausau Central Wisconsin Airport?

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

  • What documentation or ID do you need to fly to Wausau Central Wisconsin Airport?

    The travel and health documents required for your trip to Wausau Central Wisconsin 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 Wausau Central Wisconsin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from St. Louis to Wausau

Compare and see reviews for airlines that fly from St. Louis to Wausau with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $287Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights

Traveling to a place near Wausau?

Book flights to Wausau if you plan to visit one of these locations
Stevens Point
Marshfield
Wisconsin Rapids
Abbotsford
Mosinee

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Wausau from St. Louis.

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

momondo does allow users to show only those flights to Wausau 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 Wausau?

Once you have performed a search for St. Louis to Wausau flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to Wausau now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Wausau and let you know when they change.

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