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Cheap flights from St. Louis to Wausau from $259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Wausau departing on 8/25. 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

American Airlines Logo
6:10 am - 9:21 amSTL-CWA
3h 11m1 stop
American Airlines Logo
6:15 pm - 11:54 pmCWA-STL
5h 39m1 stop
$297American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
9:57 am - 5:46 pmSTL-CWA
7h 49m2 stops
American Airlines Logo
6:15 pm - 11:54 pmCWA-STL
5h 39m1 stop
$302American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
Delta Logo
3:30 pm - 8:56 pmSTL-CWA
5h 26m1 stop
Delta Logo
7:00 am - 10:49 amCWA-STL
3h 49m1 stop
$314Delta
Find Deal
Sat, Aug 16 - Sat, Aug 23
Delta Logo
6:40 am - 3:43 pmSTL-CWA
9h 03m2 stops
Delta Logo
7:00 am - 10:49 amCWA-STL
3h 49m1 stop
$319Delta
Find Deal
Sat, Aug 16 - Sat, Aug 23
American Airlines Logo
8:23 am - 5:46 pmSTL-CWA
9h 23m2 stops
American Airlines Logo
6:15 pm - 11:54 pmCWA-STL
5h 39m1 stop
$323American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
6:00 am - 9:13 amSTL-CWA
3h 13m1 stop
American Airlines Logo
6:24 pm - 11:51 pmCWA-STL
5h 27m1 stop
$374American Airlines
Find Deal
Fri, Aug 15 - Mon, Aug 25
American Airlines Logo
6:00 am - 9:13 amSTL-CWA
3h 13m1 stop
American Airlines Logo
6:00 am - 6:30 pmCWA-STL
12h 30m2 stops
$379American Airlines
Find Deal
Fri, Aug 15 - Sat, Aug 23
American Airlines Logo
8:23 am - 5:46 pmSTL-CWA
9h 23m2 stops
American Airlines Logo
9:57 am - 8:53 pmCWA-STL
10h 56m2 stops
$383American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
1:01 pm - 9:56 pmSTL-CWA
8h 55m2 stops
American Airlines Logo
6:00 am - 3:42 pmCWA-STL
9h 42m2 stops
$384American Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
American Airlines Logo
1:01 pm - 9:56 pmSTL-CWA
8h 55m2 stops
American Airlines Logo
6:00 am - 3:42 pmCWA-STL
9h 42m2 stops
$389American Airlines
Find Deal
Sat, Aug 16 - Sun, Aug 24

American Airlines flights from St. Louis to Wausau

Our best American Airlines deals on St. Louis to Wausau flight tickets
American Airlines
Oct 3
STL6:10 amLambert-St Louis
3h 11m
1 stop
CWA9:21 amWausau Central Wisconsin
Oct 8
CWA6:15 pmWausau Central Wisconsin
5h 39m
1 stop
STL11:54 pmLambert-St Louis
$297
Find similar
American Airlines
Oct 3
STL9:57 amLambert-St Louis
7h 49m
2 stops
CWA5:46 pmWausau Central Wisconsin
Oct 8
CWA6:15 pmWausau Central Wisconsin
5h 39m
1 stop
STL11:54 pmLambert-St Louis
$302
Find similar
American Airlines
Oct 3
STL8:23 amLambert-St Louis
9h 23m
2 stops
CWA5:46 pmWausau Central Wisconsin
Oct 8
CWA6:15 pmWausau Central Wisconsin
5h 39m
1 stop
STL11:54 pmLambert-St Louis
$323
Find similar

Delta flights from St. Louis to Wausau

Our best Delta deals on St. Louis to Wausau flight tickets
Delta
Aug 16
STL3:30 pmLambert-St Louis
5h 26m
1 stop
CWA8:56 pmWausau Central Wisconsin
Aug 23
CWA7:00 amWausau Central Wisconsin
3h 49m
1 stop
STL10:49 amLambert-St Louis
$314
Find similar
Delta
Aug 16
STL6:40 amLambert-St Louis
9h 03m
2 stops
CWA3:43 pmWausau Central Wisconsin
Aug 23
CWA7:00 amWausau Central Wisconsin
3h 49m
1 stop
STL10:49 amLambert-St Louis
$319
Find similar
Delta
Nov 6
STL6:00 amLambert-St Louis
9h 28m
2 stops
CWA3:28 pmWausau Central Wisconsin
Nov 9
CWA7:00 amWausau Central Wisconsin
4h 32m
1 stop
STL11:32 amLambert-St Louis
$429
Find similar

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 July 30, 2025.
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

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 10/3

6:10 am-9:21 am

1 stop3h 11m

Wausau Central Wisconsin

Wed 10/8

6:15 pm-11:54 pm

1 stop5h 39m

$297

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 10/3

9:57 am-5:46 pm

2 stops7h 49m

Wausau Central Wisconsin

Wed 10/8

6:15 pm-11:54 pm

1 stop5h 39m

$302

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 8/16

3:30 pm-8:56 pm

1 stop5h 26m

Wausau Central Wisconsin

Sat 8/23

7:00 am-10:49 am

1 stop3h 49m

$314

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 8/16

6:40 am-3:43 pm

2 stops9h 03m

Wausau Central Wisconsin

Sat 8/23

7:00 am-10:49 am

1 stop3h 49m

$319

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 10/3

8:23 am-5:46 pm

2 stops9h 23m

Wausau Central Wisconsin

Wed 10/8

6:15 pm-11:54 pm

1 stop5h 39m

$323

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 8/15

6:00 am-9:13 am

1 stop3h 13m

Wausau Central Wisconsin

Mon 8/25

6:24 pm-11:51 pm

1 stop5h 27m

$374

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 8/15

6:00 am-9:13 am

1 stop3h 13m

Wausau Central Wisconsin

Sat 8/23

6:00 am-6:30 pm

2 stops12h 30m

$379

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 10/3

8:23 am-5:46 pm

2 stops9h 23m

Wausau Central Wisconsin

Wed 10/8

9:57 am-8:53 pm

2 stops10h 56m

$383

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 8/16

1:01 pm-9:56 pm

2 stops8h 55m

Wausau Central Wisconsin

Sat 8/23

6:00 am-3:42 pm

2 stops9h 42m

$384

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Sat 8/16

1:01 pm-9:56 pm

2 stops8h 55m

Wausau Central Wisconsin

Sun 8/24

6:00 am-3:42 pm

2 stops9h 42m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 is the cheapest day to depart on your flight to Wausau?

Our data shows that Friday is the least expensive day to fly to Wausau. Tickets to fly out on this day can be as low as $364. The most expensive day to fly to Wausau is Tuesday, with ticket prices averaging around $488.

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

According to our data, the cheapest time of day to fly to Wausau is in the afternoon. momondo users have found flights departing from St. Louis to Wausau in the afternoon for as low as $387. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $488 on average. Flights to Wausau from St. Louis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$259

Fastest flight time

3h 11m

Direct flights

None

Airports in Wausau

1 airport
The best one-way flight to Wausau from St. Louis in the past 72 hours is $259. The best round-trip flight deal from St. Louis to Wausau found on momondo in the last 72 hours is $297.
The fastest flight from St. Louis to Wausau takes 3h 11m
There are no direct flights from St. Louis to Wausau. Popular non-direct route for this connection is Lambert-St Louis Airport - Wausau Central Wisconsin Airport.
There is 1 airport near Wausau: Wausau Central Wisconsin (CWA)
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  • 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 11m.

  • 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 $308Free CancellationRating
7.2
10,000 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
Mosinee
Abbotsford

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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