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Cheap flights from Illinois to Wausau from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Wausau departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Wausau

Cheap round-trip flights

American Airlines Logo
8:01 pm - 11:30 pmSTL-CWA
3h 29m1 stop
American Airlines Logo
5:50 am - 11:08 amCWA-STL
5h 18m1 stop
$278American Airlines
Find Deal
Thu, Jan 1 - Sun, Jan 11
American Airlines Logo
5:00 am - 1:00 pmSTL-CWA
8h 00m2 stops
American Airlines Logo
5:50 am - 11:08 amCWA-STL
5h 18m1 stop
$283American Airlines
Find Deal
Thu, Jan 1 - Sun, Jan 11
American Airlines Logo
11:51 am - 1:00 pmORD-CWA
1h 09mnonstop
American Airlines Logo
5:50 am - 7:30 amCWA-ORD
1h 40mnonstop
$301American Airlines
Find Deal
Mon, Jan 5 - Wed, Jan 14
American Airlines Logo
6:00 am - 10:58 amSTL-CWA
4h 58m1 stop
American Airlines Logo
11:29 am - 3:12 pmCWA-STL
3h 43m1 stop
$309American Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
American Airlines Logo
9:12 am - 4:43 pmSTL-CWA
7h 31m2 stops
American Airlines Logo
11:29 am - 4:16 pmCWA-STL
4h 47m1 stop
$314American Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
American Airlines Logo
5:00 am - 1:00 pmSTL-CWA
8h 00m2 stops
American Airlines Logo
5:50 am - 5:18 pmCWA-STL
11h 28m2 stops
$318American Airlines
Find Deal
Thu, Jan 1 - Sun, Jan 11
Delta Logo
12:15 pm - 3:29 pmORD-CWA
3h 14m1 stop
Delta Logo
7:00 am - 11:33 amCWA-ORD
4h 33m1 stop
$321Delta
Find Deal
Mon, Jan 5 - Wed, Jan 14
American Airlines Logo
6:10 am - 9:21 amSTL-CWA
3h 11m1 stop
American Airlines Logo
6:15 pm - 11:54 pmCWA-STL
5h 39m1 stop
$334American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
8:01 pm - 11:30 pmSTL-CWA
3h 29m1 stop
American Airlines Logo
7:55 pm - 11:59 pmCWA-STL
4h 04m1 stop
$338American Airlines
Find Deal
Thu, Jan 1 - Sun, Jan 4
Delta Logo
12:15 pm - 3:29 pmORD-CWA
3h 14m1 stop
Delta Logo
7:00 am - 12:41 pmCWA-ORD
5h 41m2 stops
$346Delta
Find Deal
Mon, Jan 5 - Wed, Jan 14

American Airlines flights from Illinois to Wausau

Our best American Airlines deals on Illinois to Wausau flight tickets
American Airlines
Jan 1
STL8:01 pmLambert-St Louis
3h 29m
1 stop
CWA11:30 pmWausau Central Wisconsin
Jan 11
CWA5:50 amWausau Central Wisconsin
5h 18m
1 stop
STL11:08 amLambert-St Louis
$278
Find similar
American Airlines
Jan 1
STL5:00 amLambert-St Louis
8h 00m
2 stops
CWA1:00 pmWausau Central Wisconsin
Jan 11
CWA5:50 amWausau Central Wisconsin
5h 18m
1 stop
STL11:08 amLambert-St Louis
$283
Find similar
American Airlines
Jan 5
ORD11:51 amChicago O'Hare Intl
1h 09m
CWA1:00 pmWausau Central Wisconsin
Jan 14
CWA5:50 amWausau Central Wisconsin
1h 40m
ORD7:30 amChicago O'Hare Intl
$301
Find similar

Delta flights from Illinois to Wausau

Our best Delta deals on Illinois to Wausau flight tickets
Delta
Jan 5
ORD12:15 pmChicago O'Hare Intl
3h 14m
1 stop
CWA3:29 pmWausau Central Wisconsin
Jan 14
CWA7:00 amWausau Central Wisconsin
4h 33m
1 stop
ORD11:33 amChicago O'Hare Intl
$321
Find similar
Delta
Jan 5
ORD12:15 pmChicago O'Hare Intl
3h 14m
1 stop
CWA3:29 pmWausau Central Wisconsin
Jan 14
CWA7:00 amWausau Central Wisconsin
5h 41m
2 stops
ORD12:41 pmChicago O'Hare Intl
$346
Find similar
Delta
Jan 5
ORD7:00 amChicago O'Hare Intl
8h 29m
2 stops
CWA3:29 pmWausau Central Wisconsin
Jan 14
CWA7:00 amWausau Central Wisconsin
5h 41m
2 stops
ORD12:41 pmChicago O'Hare Intl
$599
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 23, 2025.
Use the filters below to find and compare flights from Illinois to Wausau that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 1/1

8:01 pm-11:30 pm

1 stop3h 29m

Wausau Central Wisconsin

Sun 1/11

5:50 am-11:08 am

1 stop5h 18m

$278

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 1/1

5:00 am-1:00 pm

2 stops8h 00m

Wausau Central Wisconsin

Sun 1/11

5:50 am-11:08 am

1 stop5h 18m

$283

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 1/5

11:51 am-1:00 pm

Nonstop1h 09m

Wausau Central Wisconsin

Wed 1/14

5:50 am-7:30 am

Nonstop1h 40m

$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-3:12 pm

1 stop3h 43m

$309

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 11/20

9:12 am-4:43 pm

2 stops7h 31m

Wausau Central Wisconsin

Sun 11/23

11:29 am-4:16 pm

1 stop4h 47m

$314

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 1/1

5:00 am-1:00 pm

2 stops8h 00m

Wausau Central Wisconsin

Sun 1/11

5:50 am-5:18 pm

2 stops11h 28m

$318

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 1/5

12:15 pm-3:29 pm

1 stop3h 14m

Wausau Central Wisconsin

Wed 1/14

7:00 am-11:33 am

1 stop4h 33m

$321

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

$334

St. LouisWausau

STL - CWA

STLCWA

Lambert-St Louis

Thu 1/1

8:01 pm-11:30 pm

1 stop3h 29m

Wausau Central Wisconsin

Sun 1/4

7:55 pm-11:59 pm

1 stop4h 04m

$338

ChicagoWausau

ORD - CWA

ORDCWA

Chicago O'Hare Intl

Mon 1/5

12:15 pm-3:29 pm

1 stop3h 14m

Wausau Central Wisconsin

Wed 1/14

7:00 am-12:41 pm

2 stops5h 41m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Wausau from

How to get the cheapest flight ticket from Illinois to Wausau

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Wausau?

Our data shows that Monday is the least expensive day to fly to Wausau. Tickets to fly out on this day can be as low as $301. The most expensive day to fly to Wausau is Friday, with ticket prices averaging around $477.

What is the cheapest time of day to depart on your flight to Wausau?

According to our data, the cheapest time of day to fly to Wausau is in the evening. momondo users have found flights departing from Illinois to Wausau in the evening for as low as $319. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $546 on average. Flights to Wausau from Illinois at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Wausau Central Wisconsin flight route?

Fly from Chicago O'Hare Intl to Wausau Central Wisconsin for the best Illinois - Wausau Central Wisconsin flight prices

What cabin class options are available on Illinois to Wausau Central Wisconsin flights?

There are 2 cabin classes available to choose from on Illinois to Wausau Central Wisconsin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Wausau flights?

You could potentially save up to 34% on your flight if you consider stops on a Illinois to Wausau flight.

Cheap Illinois to Wausau flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Wausau

Fastest flight time

1h 09m

Direct flights

Mon, Tue, Wed, Sat and Sun

Airports in Wausau

1 airport
The fastest flight from Illinois to Wausau takes 1h 09m
Direct flights go from Illinois to Wausau on Monday, Tuesday, Wednesday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
There is 1 airport near Wausau: Wausau Central Wisconsin (CWA)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Wausau Central Wisconsin Airport?

    Prices for flights from Illinois to Wausau Central Wisconsin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Wausau Central Wisconsin Airport?

  • How old do you have to be to fly from Illinois to Wausau Central Wisconsin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Wausau Central Wisconsin Airport.

  • What documentation or ID do you need to fly to Wausau Central Wisconsin Airport?

    The travel and health documents you'll need for your trip to Wausau Central Wisconsin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wausau Central Wisconsin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Wausau?

Best airlines flying from Illinois to Wausau

Compare and see reviews for airlines that fly from Illinois to Wausau with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Wausau?

Book flights to Wausau if you plan to visit one of these locations
Stevens Point
Marshfield
Wisconsin Rapids
Mosinee
Abbotsford

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Wausau?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Wausau. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Wausau with flexible booking policies on momondo?

All flight searches from Illinois to Wausau on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Wausau?

momondo provides multiple filters to help you find the best flight to Wausau from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Wausau right now. Can momondo alert me if prices change?

Price alerts on flights to Wausau from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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