$249 Cheap Flights from St. Louis (STL) to Mosinee (CWA)

View $249 flight on Thu, Jun 11, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Mosinee, WI (CWA-Central Wisconsin)

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Cheap Flights from St. Louis to Mosinee (STL-CWA)

Prices were available within the past 7 days and start at $249 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Thu, Nov 27
STL
St. Louis
CWA
Mosinee
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 24 from St. Louis to Mosinee, returning Thu, Nov 27, priced at $307 found 2 days ago
Delta
Sun, Nov 23 - Thu, Nov 27
STL
St. Louis
CWA
Mosinee
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Mosinee, returning Thu, Nov 27, priced at $308 found 2 days ago
Delta
Sun, Nov 23 - Fri, Nov 28
STL
St. Louis
CWA
Mosinee
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Mosinee, returning Fri, Nov 28, priced at $309 found 2 days ago
Delta
Tue, Nov 18 - Thu, Nov 27
STL
St. Louis
CWA
Mosinee
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 18 from St. Louis to Mosinee, returning Thu, Nov 27, priced at $312 found 2 days ago
Delta
Tue, Nov 18 - Sun, Nov 23
STL
St. Louis
CWA
Mosinee
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 18 from St. Louis to Mosinee, returning Sun, Nov 23, priced at $313 found 2 days ago
Delta
Sun, Nov 23 - Sat, Dec 13
STL
St. Louis
CWA
Mosinee
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Mosinee, returning Sat, Dec 13, priced at $314 found 3 days ago
Delta
Thu, Nov 27 - Sat, Dec 13
STL
St. Louis
CWA
Mosinee
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from St. Louis to Mosinee, returning Sat, Dec 13, priced at $318 found 3 days ago
American Airlines
Fri, Oct 17 - Wed, Oct 22
STL
St. Louis
CWA
Mosinee
$319 Roundtrip, just found
$319
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 17 from St. Louis to Mosinee, returning Wed, Oct 22, priced at $319 just found
American Airlines
Fri, Oct 17 - Sat, Oct 18
STL
St. Louis
CWA
Mosinee
$324 Roundtrip, found 1 hour ago
$324
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Oct 17 from St. Louis to Mosinee, returning Sat, Oct 18, priced at $324 found 1 hour ago
Delta
Wed, Oct 8 - Tue, Oct 28
STL
St. Louis
CWA
Mosinee
$328 Roundtrip, found 5 days ago
$328
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 8 from St. Louis to Mosinee, returning Tue, Oct 28, priced at $328 found 5 days ago

Alternative airports near Mosinee

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

Select flight to Central Wisconsin CWA. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $373
CWA
Central Wisconsin
CheapestClosest
Average driving time to city center4 min
Flights from $373

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA) cost?
Snag a cheap one-way flight from $249 or cheap return flight from $307 from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA)?
The cheapest month to fly from STL to CWA is November, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA)?
To find the cheapest airline flying from STL to CWA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA)?
You'll need to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from STL to CWA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, such as the time of year and carrier.*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 Central Wisconsin Airport (CWA)?
To land at Central Wisconsin Airport (CWA) on time, select a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Central Wisconsin Airport (CWA) last-minute?
Booking your flight from STL to CWA just before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to CWA flight and hotel package?
Booking a STL to CWA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Central Wisconsin Airport (CWA)?
Usually, it's possible to cancel or reschedule your STL to CWA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Central Wisconsin
Airlines serving
American Airlines, Delta
Roundtrip price
$306
Distance
418 mi

Book with confidence

Book with confidence

St. Louis to Mosinee Flights

The cheapest times to fly from St. Louis to Mosinee

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 Mosinee are during the month of November. You can find some of the cheapest flights from St. Louis to Mosinee with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Mosinee: 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 Mosinee

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 Mosinee in 2025. You can also book with separate airlines for your outbound and return journeys, from $249 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 Mosinee 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 Mosinee 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 Mosinee Flights

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*Available to One Key members.