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Wausau

$259+ Cheap flights from St. Louis to Wausau (STL - CWA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CWA
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Cheap flight deals from St. Louis to Wausau

Cheapest flights from St. Louis to Wausau
Explore the most affordable flight options available from St. Louis to Wausau. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.

This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:30 pm
STL
-
CWA
1 stop3h 42m
Delta
Sat 10/247:00 am
CWA
-
STL
1 stop4h 40m
Delta
Deal found 3/12$289
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:06 am
STL
-
CWA
1 stop3h 04m
American Airlines
Sat 9/269:42 am
CWA
-
STL
2 stops8h 39m
American Airlines
Deal found 3/11$294
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:30 pm
STL
-
CWA
1 stop3h 34m
Delta
Sat 10/107:00 am
CWA
-
STL
1 stop4h 40m
Delta
Deal found 3/15$309
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:02 am
STL
-
CWA
1 stop3h 10m
American Airlines
Tue 10/206:15 pm
CWA
-
STL
1 stop5h 10m
American Airlines
Deal found 3/13$324
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:47 pm
STL
-
CWA
2 stops6h 26m
American Airlines
Sat 10/109:44 am
CWA
-
STL
1 stop6h 31m
American Airlines
Deal found 3/13$329
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:50 pm
STL
-
CWA
1 stop5h 22m
Delta
Sat 10/177:00 am
CWA
-
STL
1 stop4h 40m
Delta
Deal found 3/15$334
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:02 am
STL
-
CWA
1 stop3h 10m
American Airlines
Thu 10/299:44 am
CWA
-
STL
1 stop3h 19m
American Airlines
Deal found 3/14$359
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:02 am
STL
-
CWA
1 stop3h 10m
American Airlines
Fri 10/239:44 am
CWA
-
STL
1 stop3h 19m
American Airlines
Deal found 3/14$368

Find flight deals from St. Louis to Wausau

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Wausau (CWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$435
(American Airlines)

One-way from

$259
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Wausau Central Wisconsin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Wausau Central Wisconsin flights.
Search Deals
From Lambert-St Louis to Wausau Central Wisconsin
Search Deals
One-way flight from Lambert-St Louis to Wausau Central Wisconsin
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 16, 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

Sat 3/28

6:33 pm-11:35 pm

1 stop5h 02m

Wausau Central Wisconsin

Wed 4/1

11:31 am-7:30 pm

2 stops7h 59m

$435
Quickest round-trip

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Mon 4/6

6:00 am-11:01 am

1 stop5h 01m

Wausau Central Wisconsin

Tue 4/7

6:32 pm-10:19 pm

1 stop3h 47m

$517
Cheapest one-way
Quickest one-way

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 6/19

5:30 pm-9:04 pm

1 stop3h 34m

$259

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 6/19

12:39 pm-11:55 pm

2 stops11h 16m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Sorted by cheapest first

Compare providers for flights from St. Louis to Wausau

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Wausau in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Wausau flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Wausau flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Wausau flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Wausau flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Wausau flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Wausau

Have a flexible travel schedule? Discover the best time to fly to Wausau from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Wausau

What is the cheapest month to book a flight from St. Louis to Wausau?

Currently, May is the cheapest month in which you can book a flight from St. Louis to Wausau (average of $169). Flying from St. Louis to Wausau in April is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Wausau

Get insights into the airlines that provide service to Wausau. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wausau. Reviews last updated March 16, 2026.
See what other customers who have flown with American Airlines from St. Louis to Wausau have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,467 reviews

Boarding

7.5

Crew

7.9

Food

6.4

Overall

7.1

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,467 reviews
American Airlines
7.1
Good
11,467 reviews

Boarding

7.5

Crew

7.9

Food

6.4

Overall

7.1

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Wausau. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Wausau?

    American Airlines can get you from St. Louis to Wausau in just under 5h 02m. Your travel time can differ by up to . Airlines will cover a distance of 418 mi.

  • What is the cheapest airline to fly from St. Louis to Wausau round-trip?

    Flying on American Airlines is currently your cheapest option to Wausau, with prices starting at $287.

  • Can I find deals for flights from St. Louis to Wausau that include hotel bookings?

    Yes. In addition to deals on St. Louis to Wausau flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Wausau?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Wausau.

  • Can I find deals for business class flights from St. Louis to Wausau?

    Yes. Cheapflights offers flight deals from St. Louis to Wausau by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Wausau?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Wausau (average of $169). Flying from St. Louis to Wausau in April is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Wausau

Discover the top airline that operate flights from St. Louis to Wausau. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$287Average$409FlexibilityNo cancel feeOn-time71%

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