Cheap Flights from St. Louis (STL) to Wausau (AUW)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Wausau, WI (AUW-Wausau Downtown)

Alternative airports near Wausau

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Central Wisconsin CWA. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $577
CWA
Central Wisconsin
Cheapest
Average driving time to city center18 min
Flights from $577

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW)?
is the most affordable month to fly from STL to AUW. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW)?
To find the cheapest airline flying from STL to AUW, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to AUW?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW)?
To reach Wausau Downtown Airport (AUW) on schedule, choose a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW) last-minute?
Waiting until just before your departure to book your flight from STL to AUW often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a STL to AUW flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to AUW flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Wausau Downtown Airport (AUW)?
In most instances, you can cancel or reschedule your STL to AUW flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Wausau Downtown
Distance
429 mi

Book with confidence

Book with confidence

St. Louis to Wausau Flights

The cheapest times to fly from St. Louis to Wausau

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Wausau are during the month of . You can find some of the cheapest flights from St. Louis to Wausau with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Wausau

Sunday is one of the best days to book for cheap flights from St. Louis to Wausau: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Wausau

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Wausau in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Wausau flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Wausau airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Wausau Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.