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Wausau

$204+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/319:18 amSTL - CWA
1 stop3h 42mAmerican Airlines
Sun 1/47:50 pmCWA - STL
1 stop3h 54mAmerican Airlines
Deal found 12/16$324
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/236:00 pmORD - CWA
Nonstop1h 20mAmerican Airlines
Tue 12/306:20 amCWA - ORD
Nonstop1h 42mAmerican Airlines
Deal found 12/16$379
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3111:51 amORD - CWA
Nonstop1h 09mAmerican Airlines
Sun 1/47:50 pmCWA - ORD
Nonstop1h 34mAmerican Airlines
Deal found 12/16$417
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2110:11 pmORD - CWA
Nonstop1h 15mAmerican Airlines
Sat 12/276:20 amCWA - ORD
Nonstop1h 42mAmerican Airlines
Deal found 12/16$447
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2110:11 pmORD - CWA
Nonstop1h 15mAmerican Airlines
Tue 12/237:50 pmCWA - ORD
Nonstop1h 34mAmerican Airlines
Deal found 12/16$732
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:05 amORD - CWA
1 stop5h 39mDelta
Sun 1/44:24 pmCWA - ORD
1 stop5h 10mDelta
Deal found 12/16$849
This Delta deal was found by Cheapflights users on 12/16. 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 12/2110:05 amORD - CWA
1 stop5h 39mDelta
Sat 12/276:55 amCWA - ORD
1 stop4h 55mDelta
Deal found 12/16$949
This Delta deal was found by Cheapflights users on 12/16. 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 12/2111:48 amMDW - CWA
1 stop3h 56mDelta
Sat 12/276:55 amCWA - MDW
1 stop4h 11mDelta
Deal found 12/16$989
This Delta deal was found by Cheapflights users on 12/16. 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 12/2311:48 amMDW - CWA
1 stop3h 56mDelta
Tue 12/306:55 amCWA - MDW
1 stop4h 11mDelta
Deal found 12/16$1,179
This Delta deal was found by Cheapflights users on 12/16. 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 12/2310:05 amORD - CWA
1 stop5h 39mDelta
Tue 12/304:24 pmCWA - ORD
1 stop5h 10mDelta
Deal found 12/16$1,179

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(American Airlines)

One-way from

$204
(United 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 December 18, 2025.
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

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Wed 12/31

9:18 am-1:00 pm

1 stop3h 42m

Wausau Central Wisconsin

Sun 1/4

7:50 pm-11:44 pm

1 stop3h 54m

$324

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 12/31

11:51 am-1:00 pm

Nonstop1h 09m

Wausau Central Wisconsin

Sun 1/4

7:50 pm-9:24 pm

Nonstop1h 34m

$417

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 12/31

10:05 am-3:44 pm

1 stop5h 39m

Wausau Central Wisconsin

Sun 1/4

4:24 pm-9:34 pm

1 stop5h 10m

$849

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 1/16

7:30 pm-3:38 pm

2 stops20h 08m

$205

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 6/13

9:05 pm-10:18 pm

Nonstop1h 13m

$229

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 6/12

8:45 am-10:01 am

Nonstop1h 16m

$229

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sun 6/14

9:05 pm-10:18 pm

Nonstop1h 13m

$229

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 6/15

12:45 pm-2:07 pm

Nonstop1h 22m

$229

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 2/17

6:51 pm-3:42 pm

1 stop20h 51m

$235

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Tue 1/20

12:30 pm-9:15 pm

1 stop8h 45m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 15 results
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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 February is currently the most expensive (average of $362). 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 December 18, 2025.

It’s typically best to fly out from Illinois to Wausau in the morning. Doing so could potentially save you 48% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 3h 42m. Your travel time can differ by up to 1h 57m. There are 418 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 Chicago O'Hare Intl - Wausau Central Wisconsin. You may also consider Chicago Midway - Wausau Central Wisconsin or Lambert-St Louis - 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 American Airlines (63%), Envoy Air (63%) or Qatar Airways (59%) as they are the most reliable in getting you off to your destination on time.

  • 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 February is currently the most expensive (average of $362). 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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Alternative routes for Illinois to Wausau

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$301FlexibilityNo cancel feeOn-time71%

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