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Cheap flights from Wausau to St. Louis from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wausau to St. Louis departing on 7/29. 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

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Find the cheapest flights from Wausau to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 11:30 am
CWA
-
STL
4h 30m
1 stop
Delta Logo
8:50 am - 3:24 pm
STL
-
CWA
6h 34m
1 stop
$294Delta
Sun, Sep 6 - Sun, Sep 13
Delta Logo
7:00 am - 11:30 am
CWA
-
STL
4h 30m
1 stop
Delta Logo
3:50 pm - 9:04 pm
STL
-
CWA
5h 14m
1 stop
$308Delta
Sun, Sep 6 - Mon, Sep 14
American Airlines Logo
6:25 pm - 11:51 pm
CWA
-
STL
5h 26m
1 stop
American Airlines Logo
6:06 am - 9:10 am
STL
-
CWA
3h 04m
1 stop
$374American Airlines
Fri, Sep 4 - Sat, Sep 12
American Airlines Logo
6:25 pm - 11:51 pm
CWA
-
STL
5h 26m
1 stop
American Airlines Logo
7:32 am - 5:45 pm
STL
-
CWA
10h 13m
2 stops
$379American Airlines
Fri, Sep 4 - Wed, Sep 9
Delta Logo
7:00 am - 11:30 am
CWA
-
STL
4h 30m
1 stop
Delta Logo
12:10 pm - 3:24 pm
STL
-
CWA
3h 14m
1 stop
$383Delta
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
9:49 am - 8:23 pm
CWA
-
STL
10h 34m
2 stops
American Airlines Logo
7:32 am - 5:45 pm
STL
-
CWA
10h 13m
2 stops
$385American Airlines
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
9:49 am - 3:48 pm
CWA
-
STL
5h 59m
1 stop
American Airlines Logo
6:06 am - 9:10 am
STL
-
CWA
3h 04m
1 stop
$394American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
6:28 pm - 11:56 pm
CWA
-
STL
5h 28m
1 stop
American Airlines Logo
8:06 pm - 11:58 pm
STL
-
CWA
3h 52m
1 stop
$398American Airlines
Mon, Jul 13 - Sat, Jul 18
American Airlines Logo
9:49 am - 3:48 pm
CWA
-
STL
5h 59m
1 stop
American Airlines Logo
7:32 am - 5:45 pm
STL
-
CWA
10h 13m
2 stops
$400American Airlines
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
9:49 am - 8:23 pm
CWA
-
STL
10h 34m
2 stops
American Airlines Logo
8:00 pm - 11:19 pm
STL
-
CWA
3h 19m
1 stop
$404American Airlines
Sat, Sep 5 - Tue, Sep 8

Delta flights from Wausau to St. Louis

Our best Delta deals on Wausau to St. Louis flight tickets
Delta
Sep 6
CWA7:00 amWausau Central Wisconsin
4h 30m
1 stop
STL11:30 amLambert-St Louis
Sep 13
STL8:50 amLambert-St Louis
6h 34m
1 stop
CWA3:24 pmWausau Central Wisconsin
$294
Delta
Sep 6
CWA7:00 amWausau Central Wisconsin
4h 30m
1 stop
STL11:30 amLambert-St Louis
Sep 14
STL3:50 pmLambert-St Louis
5h 14m
1 stop
CWA9:04 pmWausau Central Wisconsin
$308
Delta
Sep 5
CWA7:00 amWausau Central Wisconsin
4h 30m
1 stop
STL11:30 amLambert-St Louis
Sep 8
STL12:10 pmLambert-St Louis
3h 14m
1 stop
CWA3:24 pmWausau Central Wisconsin
$383

American Airlines flights from Wausau to St. Louis

Our best American Airlines deals on Wausau to St. Louis flight tickets
American Airlines
Sep 4
CWA6:25 pmWausau Central Wisconsin
5h 26m
1 stop
STL11:51 pmLambert-St Louis
Sep 12
STL6:06 amLambert-St Louis
3h 04m
1 stop
CWA9:10 amWausau Central Wisconsin
$374
American Airlines
Sep 4
CWA6:25 pmWausau Central Wisconsin
5h 26m
1 stop
STL11:51 pmLambert-St Louis
Sep 12
STL7:32 amLambert-St Louis
10h 13m
2 stops
CWA5:45 pmWausau Central Wisconsin
$379
American Airlines
Sep 5
CWA9:49 amWausau Central Wisconsin
10h 34m
2 stops
STL8:23 pmLambert-St Louis
Sep 9
STL7:32 amLambert-St Louis
10h 13m
2 stops
CWA5:45 pmWausau Central Wisconsin
$385

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 March 12, 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

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 9/6

7:00 am-11:30 am

1 stop4h 30m

Lambert-St Louis

Sun 9/13

8:50 am-3:24 pm

1 stop6h 34m

$294

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sun 9/6

7:00 am-11:30 am

1 stop4h 30m

Lambert-St Louis

Mon 9/14

3:50 pm-9:04 pm

1 stop5h 14m

$308

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Fri 9/4

6:25 pm-11:51 pm

1 stop5h 26m

Lambert-St Louis

Sat 9/12

6:06 am-9:10 am

1 stop3h 04m

$374

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Fri 9/4

6:25 pm-11:51 pm

1 stop5h 26m

Lambert-St Louis

Wed 9/9

7:32 am-5:45 pm

2 stops10h 13m

$379
Quickest round-trip

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 9/5

7:00 am-11:30 am

1 stop4h 30m

Lambert-St Louis

Tue 9/8

12:10 pm-3:24 pm

1 stop3h 14m

$383

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 9/5

9:49 am-8:23 pm

2 stops10h 34m

Lambert-St Louis

Wed 9/9

7:32 am-5:45 pm

2 stops10h 13m

$385

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 9/5

9:49 am-3:48 pm

1 stop5h 59m

Lambert-St Louis

Sat 9/12

6:06 am-9:10 am

1 stop3h 04m

$394

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Mon 7/13

6:28 pm-11:56 pm

1 stop5h 28m

Lambert-St Louis

Sat 7/18

8:06 pm-11:58 pm

1 stop3h 52m

$398

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 9/5

9:49 am-3:48 pm

1 stop5h 59m

Lambert-St Louis

Wed 9/9

7:32 am-5:45 pm

2 stops10h 13m

$400

WausauSt. Louis

CWA - STL

CWASTL

Wausau Central Wisconsin

Sat 9/5

9:49 am-8:23 pm

2 stops10h 34m

Lambert-St Louis

Tue 9/8

8:00 pm-11:19 pm

1 stop3h 19m

$404

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 is the cheapest airline that flies from Wausau Central Wisconsin to Lambert-St Louis?

Delta is the most popular carrier operating from Wausau Central Wisconsin to Lambert-St Louis

What airlines fly to St. Louis?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to St. Louis from Wausau according to our data. American Airlines is the first choice among our users, with 41% 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 34m

Direct flights

None
The fastest flight from Wausau to St. Louis takes 3h 34m
There are no direct flights from Wausau to St. Louis. There are no popular flight routes from Wausau to St. Louis.
Search flight deals

  • 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 34m, 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Fenton
Alton
Wentzville
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
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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