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Wausau

$309+ Cheap flights from St. Louis to Wausau (STL - CWA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CWA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$309
(American Airlines)
From Lambert-St Louis to Wausau Central Wisconsin
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:10 amSTL - CWA
1 stop3h 11mAmerican Airlines
Wed 10/86:15 pmCWA - STL
1 stop5h 39mAmerican Airlines
Deal found 9/10$309
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/206:00 amSTL - CWA
1 stop4h 58mAmerican Airlines
Sun 11/2311:29 amCWA - STL
2 stops8h 00mAmerican Airlines
Deal found 9/11$314
This American Airlines deal was found by Cheapflights users on 9/10. 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 12/261:55 pmSTL - CWA
1 stop5h 30mAmerican Airlines
Wed 12/317:55 pmCWA - STL
1 stop4h 04mAmerican Airlines
Deal found 9/10$368

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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Wausau that are best for you.

Fly from

St. Louis

Fly to

Wausau

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

$309

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 11/20

6:00 am-10:58 am

1 stop4h 58m

Wausau Central Wisconsin

Sun 11/23

11:29 am-3:12 pm

1 stop3h 43m

$309

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Fri 12/26

1:55 pm-7:25 pm

1 stop5h 30m

Wausau Central Wisconsin

Wed 12/31

7:55 pm-11:59 pm

1 stop4h 04m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, March is the cheapest month in which you can book a flight from St. Louis to Wausau (average of $411). Flying from St. Louis to Wausau in December is currently the most expensive (average of $571). 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 September 11, 2025.
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
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 3h 11m. 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, March is the cheapest month in which you can book a flight from St. Louis to Wausau (average of $411). Flying from St. Louis to Wausau in December is currently the most expensive (average of $571). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$287Average$409FlexibilityNo cancel feeOn-time71%

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