HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wausau

$217+ Cheap flights from Illinois to Wausau (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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Wausau with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Wausau

Cheapest flights from Illinois to Wausau
Explore the most affordable flight options available from Illinois to Wausau. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 3/179:43 am
ORD
-
CWA
Nonstop1h 18m
American Airlines
Mon 3/2311:31 am
CWA
-
ORD
Nonstop1h 26m
American Airlines
Deal found 1/28$373
This Delta deal was found by Cheapflights users on 1/28. 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.
Tue 3/173:59 pm
ORD
-
CWA
1 stop5h 08m
Delta
Mon 3/234:19 pm
CWA
-
ORD
1 stop5h 07m
Delta
Deal found 1/28$393
This Delta deal was found by Cheapflights users on 1/28. 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.
Tue 3/179:30 am
MDW
-
CWA
1 stop6h 06m
Delta
Mon 3/237:00 am
CWA
-
MDW
1 stop6h 25m
Delta
Deal found 1/28$393
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/129:43 am
ORD
-
CWA
Nonstop1h 18m
American Airlines
Mon 2/161:43 pm
CWA
-
ORD
Nonstop1h 26m
American Airlines
Deal found 1/28$475
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 2/129:50 am
MDW
-
CWA
1 stop5h 52m
Delta
Mon 2/166:49 am
CWA
-
MDW
1 stop6h 16m
Delta
Deal found 1/28$577
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 2/28:56 pm
ORD
-
CWA
Nonstop1h 13m
American Airlines
Wed 2/45:12 pm
CWA
-
ORD
Nonstop1h 36m
American Airlines
Deal found 1/28$752
This Delta deal was found by Cheapflights users on 1/28. 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.
Tue 2/33:31 pm
STL
-
CWA
1 stop5h 44m
Delta
Thu 2/57:00 am
CWA
-
STL
1 stop3h 43m
Delta
Deal found 1/28$775
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 2/37:15 am
STL
-
CWA
2 stops9h 25m
American Airlines
Thu 2/56:00 am
CWA
-
STL
2 stops10h 14m
American Airlines
Deal found 1/28$785
This Delta deal was found by Cheapflights users on 1/28. 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.
Sun 2/13:59 pm
ORD
-
CWA
1 stop5h 16m
Delta
Tue 2/34:23 pm
CWA
-
ORD
1 stop5h 07m
Delta
Deal found 1/28$802
This Delta deal was found by Cheapflights users on 1/28. 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.
Mon 2/96:50 am
ORD
-
CWA
2 stops8h 48m
Delta
Tue 2/107:00 am
CWA
-
ORD
2 stops6h 13m
Delta
Deal found 1/28$813
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/13:25 pm
ORD
-
CWA
Nonstop1h 15m
American Airlines
Tue 2/35:12 pm
CWA
-
ORD
Nonstop1h 36m
American Airlines
Deal found 1/28$842
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 2/126:30 am
ORD
-
CWA
2 stops9h 12m
Delta
Mon 2/164:22 pm
CWA
-
ORD
1 stop5h 08m
Delta
Deal found 1/28$844

Find flight deals from Illinois to Wausau

Keep the following information in mind while searching for Illinois to Wausau flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$373
(American Airlines)

One-way from

$217
(American Airlines)
Provider with most accurate pricing for Chicago (CHI)-Wausau Central Wisconsin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Wausau Central Wisconsin flights.
Search Deals
From Illinois to Wausau Central Wisconsin
Search Deals
One-way flight from Illinois to Wausau Central Wisconsin
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 January 29, 2026.
Use the filters below to find and compare flights from Illinois to Wausau that are best for you.

Fly from

Illinois

Fly to

Wausau

Route

Depart

Return

Price

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 3/17

9:43 am-11:01 am

Nonstop1h 18m

Wausau Central Wisconsin

Mon 3/23

11:31 am-12:57 pm

Nonstop1h 26m

$373

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 3/17

3:59 pm-9:07 pm

1 stop5h 08m

Wausau Central Wisconsin

Mon 3/23

4:19 pm-9:26 pm

1 stop5h 07m

$393

ChicagoWausau

MDW - CWA

MDWCWA

Chicago Midway

Tue 3/17

9:30 am-3:36 pm

1 stop6h 06m

Wausau Central Wisconsin

Mon 3/23

7:00 am-1:25 pm

1 stop6h 25m

$393

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Thu 2/12

9:43 am-11:01 am

Nonstop1h 18m

Wausau Central Wisconsin

Mon 2/16

1:43 pm-3:09 pm

Nonstop1h 26m

$475

ChicagoWausau

MDW - CWA

MDWCWA

Chicago Midway

Thu 2/12

9:50 am-3:42 pm

1 stop5h 52m

Wausau Central Wisconsin

Mon 2/16

6:49 am-1:05 pm

1 stop6h 16m

$577

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 2/9

3:25 pm-4:40 pm

Nonstop1h 15m

Wausau Central Wisconsin

Tue 2/10

5:12 pm-6:48 pm

Nonstop1h 36m

$752

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 2/9

8:50 am-3:38 pm

1 stop6h 48m

Wausau Central Wisconsin

Tue 2/10

4:20 pm-9:30 pm

1 stop5h 10m

$802

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Thu 2/12

6:30 am-3:42 pm

2 stops9h 12m

Wausau Central Wisconsin

Mon 2/16

4:22 pm-9:30 pm

1 stop5h 08m

$844

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sun 3/22

9:43 am-11:01 am

Nonstop1h 18m

$217

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 3/3

8:50 am-3:42 pm

1 stop6h 52m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Illinois to Wausau

Have a flexible travel schedule? Discover the best time to fly to Wausau from Illinois 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 Illinois to Wausau

What is the cheapest month to book a flight from Illinois to Wausau?

Currently, January is the cheapest month in which you can book a flight from Illinois to Wausau (average of $179). Flying from Illinois to Wausau in April is currently the most expensive (average of $304). 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.

What is the cheapest time of day to fly from IL to CWA?

Find hourly flight availability from Illinois to Wausau. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

It’s typically best to fly out from Illinois to Wausau at noon. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Illinois to Wausau

Explore weekly flight availability from Illinois to Wausau. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from USIL to CWA are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Wausau from Illinois?

    Wausau Central Wisconsin (CWA), located 12.6 mi from the city center, is the airport you fly into when you book flights from Illinois to Wausau.

  • How long is the flight from Illinois to Wausau?

    American Airlines and Delta can get you from Illinois to Wausau in just under 1h 18m. Your travel time can differ by up to 3h 50m. There are 212 mi between Illinois and Wausau. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Wausau?

    The most popular route from Illinois to Wausau is Lambert-St Louis - Wausau Central Wisconsin. You may also consider Chicago O'Hare Intl - Wausau Central Wisconsin or Chicago Midway - Wausau Central Wisconsin.

  • What are the most reliable airlines from Illinois to Wausau?

    No one likes to see their flight delayed. When booking a flight from Illinois to Wausau consider choosing Qatar Airways (68%), American Airlines (64%) or Envoy Air (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Wausau?

    Looking at all options, your cheapest flight can be booked for $349. While the most popular route (Lambert-St Louis - Wausau Central Wisconsin) can be booked for $269 on average, our data indicates $349 when flying from Illinois to Wausau.

  • Can I find deals for flights from Illinois to Wausau that include hotel bookings?

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

  • How can I find direct flights from Illinois to Wausau?

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

  • Can I find deals for business class flights from Illinois to Wausau?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Wausau?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Wausau (average of $179). Flying from Illinois to Wausau in April is currently the most expensive (average of $304). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Wausau

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
Newark to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Seattle to O'Hare Intl flights
Boston to O'Hare Intl flights
Denver to O'Hare Intl flights
Sky Harbor Intl to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
Austin to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Ontario to O'Hare Intl flights
Charlotte to O'Hare Intl flights
Raleigh to O'Hare Intl flights
Seattle to Minneapolis flights
Sky Harbor Intl to Minneapolis flights
Denver to Minneapolis flights
Atlanta to Minneapolis flights
San Diego to O'Hare Intl flights
Orlando to O'Hare Intl flights
Los Angeles to Minneapolis flights
George Bush Intcntl to O'Hare Intl flights
Dallas/Fort Worth to Minneapolis flights
Hartford to O'Hare Intl flights
O'Hare Intl to Minneapolis flights
Hobby to O'Hare Intl flights
Tampa to O'Hare Intl flights
John F Kennedy Intl to Minneapolis flights
Love Field to O'Hare Intl flights
Sacramento to O'Hare Intl flights
Kansas City to O'Hare Intl flights
Boston to Minneapolis flights
Orlando to Minneapolis flights
LaGuardia to Minneapolis flights
San Francisco to Minneapolis flights
Newark to Minneapolis flights
Miami to O'Hare Intl flights
Cleveland to O'Hare Intl flights
Portland to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
Detroit to O'Hare Intl flights
Newark to Madison flights
San Jose to O'Hare Intl flights

Top airline flying from Illinois to Wausau

Discover the top airline that operate flights from Illinois 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$434FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.