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Wausau

$124+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Wausau

Keep the following information in mind while searching for Illinois to Wausau flight deals. Data was last updated September 15, 2025.

Round-trip from

$301
(American Airlines)

One-way from

$124
(American Airlines)
From Illinois to Wausau Central Wisconsin
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One-way flight from Illinois to Wausau Central Wisconsin
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 11/269:40 amORD - CWA
Nonstop1h 18mAmerican Airlines
Fri 11/286:00 amCWA - ORD
Nonstop1h 30mAmerican Airlines
Deal found 9/14$301
This American Airlines deal was found by Cheapflights users on 9/13. 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
1 stop4h 47mAmerican Airlines
Deal found 9/13$309
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/89:57 amCWA - STL
1 stop3h 47mAmerican Airlines
Deal found 9/14$314
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/109:40 amORD - CWA
Nonstop1h 18mAmerican Airlines
Mon 11/175:01 pmCWA - ORD
Nonstop1h 31mAmerican Airlines
Deal found 9/14$321
This Delta deal was found by Cheapflights users on 9/14. 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 11/2611:03 amORD - CWA
1 stop4h 40mDelta
Fri 11/287:00 amCWA - ORD
2 stops7h 05mDelta
Deal found 9/14$326
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/118:15 amORD - CWA
Nonstop1h 12mAmerican Airlines
Mon 10/136:15 pmCWA - ORD
Nonstop1h 35mAmerican Airlines
Deal found 9/13$361
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/138:06 amORD - CWA
Nonstop1h 15mAmerican Airlines
Sat 9/206:00 amCWA - ORD
Nonstop1h 27mAmerican Airlines
Deal found 9/12$401
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/108:15 amORD - CWA
Nonstop1h 12mAmerican Airlines
Mon 10/136:15 pmCWA - ORD
Nonstop1h 35mAmerican Airlines
Deal found 9/13$434
This Delta deal was found by Cheapflights users on 9/14. 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 11/105:42 pmORD - CWA
1 stop3h 25mDelta
Mon 11/174:23 pmCWA - ORD
1 stop3h 27mDelta
Deal found 9/14$479
This Delta deal was found by Cheapflights users on 9/14. 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 10/135:40 pmORD - CWA
1 stop3h 16mDelta
Mon 10/204:08 pmCWA - ORD
1 stop3h 35mDelta
Deal found 9/14$483
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/188:11 amORD - CWA
Nonstop1h 15mAmerican Airlines
Sun 9/216:00 amCWA - ORD
Nonstop1h 27mAmerican Airlines
Deal found 9/13$487
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/1111:05 amORD - CWA
1 stop4h 23mDelta
Mon 10/134:08 pmCWA - ORD
1 stop3h 35mDelta
Deal found 9/13$490

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 September 15, 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

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 11/26

9:40 am-10:58 am

Nonstop1h 18m

Wausau Central Wisconsin

Fri 11/28

6:00 am-7:30 am

Nonstop1h 30m

$301

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-4:16 pm

1 stop4h 47m

$309

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

$314

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Wed 11/26

3:52 pm-9:07 pm

1 stop5h 15m

Wausau Central Wisconsin

Fri 11/28

7:00 am-11:39 am

1 stop4h 39m

$321

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 11/10

9:40 am-10:58 am

Nonstop1h 18m

Wausau Central Wisconsin

Mon 11/17

5:01 pm-6:32 pm

Nonstop1h 31m

$321

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 3/7

8:20 pm-9:37 pm

Nonstop1h 17m

Wausau Central Wisconsin

Wed 3/11

2:49 pm-4:10 pm

Nonstop1h 21m

$341

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 10/11

8:15 am-9:27 am

Nonstop1h 12m

Wausau Central Wisconsin

Mon 10/13

6:15 pm-7:50 pm

Nonstop1h 35m

$361

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Sat 3/7

9:30 am-3:29 pm

1 stop5h 59m

Wausau Central Wisconsin

Wed 3/11

7:00 am-2:56 pm

1 stop7h 56m

$366

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 10/13

8:15 am-9:27 am

Nonstop1h 12m

Wausau Central Wisconsin

Mon 10/20

6:03 am-7:30 am

Nonstop1h 27m

$434

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Fri 10/10

8:15 am-9:27 am

Nonstop1h 12m

Wausau Central Wisconsin

Mon 10/13

6:15 pm-7:50 pm

Nonstop1h 35m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 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, March is the cheapest month in which you can book a flight from Illinois to Wausau (average of $411). Flying from Illinois 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.

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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Wausau as you normally would.

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 September 15, 2025.

The most flights from USIL to CWA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 57m. 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 (74%), American Airlines (70%) or Envoy Air (70%) 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 $514 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, March is the cheapest month in which you can book a flight from Illinois to Wausau (average of $411). Flying from Illinois 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.

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Alternative routes for Illinois to Wausau

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$321FlexibilityNo cancel feeOn-time71%

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