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Eau Claire

$180+ Cheap flights from Illinois to Eau Claire (EAU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAU
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap flight deals from Illinois to Eau Claire

Cheapest flights from Illinois to Eau Claire
Explore the most affordable flight options available from Illinois to Eau Claire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:40 pm
ORD
-
EAU
Nonstop1h 26m
United Airlines
Sun 4/192:43 pm
EAU
-
ORD
Nonstop1h 26m
United Airlines
Deal found 2/2$180
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:50 pm
ORD
-
EAU
Nonstop1h 24m
United Airlines
Sat 5/22:43 pm
EAU
-
ORD
Nonstop1h 26m
United Airlines
Deal found 1/31$200
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:50 pm
ORD
-
EAU
Nonstop1h 25m
United Airlines
Thu 2/192:41 pm
EAU
-
ORD
Nonstop1h 26m
United Airlines
Deal found 1/31$280
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/89:46 pm
ORD
-
EAU
Nonstop1h 29m
United Airlines
Sun 2/155:00 am
EAU
-
ORD
Nonstop1h 30m
United Airlines
Deal found 1/31$330
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:46 pm
ORD
-
EAU
Nonstop1h 29m
United Airlines
Sat 2/145:00 am
EAU
-
ORD
Nonstop1h 30m
United Airlines
Deal found 2/1$380
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:30 pm
ORD
-
EAU
Nonstop1h 22m
United Airlines
Mon 7/135:30 am
EAU
-
ORD
Nonstop1h 35m
United Airlines
Deal found 2/1$480
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:30 pm
ORD
-
EAU
Nonstop1h 22m
United Airlines
Mon 8/32:45 pm
EAU
-
ORD
Nonstop1h 33m
United Airlines
Deal found 1/31$580

Find flight deals from Illinois to Eau Claire

Keep the following information in mind while searching for Illinois to Eau Claire flight deals. Data was last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(United Airlines)

Popular in

November

Cheapest in

May

Average price

$199
Provider with most accurate pricing for Chicago (CHI)-Eau Claire flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Eau Claire flights.
Search Deals
From Illinois to Eau Claire
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Eau Claire 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 February 2, 2026.
Use the filters below to find and compare flights from Illinois to Eau Claire that are best for you.

Fly from

Illinois

Fly to

Eau Claire

Route

Depart

Return

Price

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Fri 4/17

12:40 pm-2:06 pm

Nonstop1h 26m

Eau Claire

Sun 4/19

2:43 pm-4:09 pm

Nonstop1h 26m

$180

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Fri 5/1

9:50 pm-11:14 pm

Nonstop1h 24m

Eau Claire

Sun 5/3

5:00 am-6:26 am

Nonstop1h 26m

$180

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Tue 4/28

9:50 pm-11:14 pm

Nonstop1h 24m

Eau Claire

Sat 5/2

2:43 pm-4:09 pm

Nonstop1h 26m

$200

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Sun 2/15

9:50 pm-11:15 pm

Nonstop1h 25m

Eau Claire

Thu 2/19

2:41 pm-4:07 pm

Nonstop1h 26m

$280

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Tue 2/17

9:50 pm-11:15 pm

Nonstop1h 25m

Eau Claire

Sat 2/21

5:00 am-6:30 am

Nonstop1h 30m

$330

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Sun 2/8

9:46 pm-11:15 pm

Nonstop1h 29m

Eau Claire

Sun 2/15

5:00 am-6:30 am

Nonstop1h 30m

$330

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Wed 2/11

9:46 pm-11:15 pm

Nonstop1h 29m

Eau Claire

Sat 2/14

5:00 am-6:30 am

Nonstop1h 30m

$380

ChicagoEau Claire

ORD - EAU

ORDEAU

Chicago O'Hare Intl

Fri 2/13

9:50 pm-11:15 pm

Nonstop1h 25m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Best time to book a flight from Illinois to Eau Claire

Have a flexible travel schedule? Discover the best time to fly to Eau Claire 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 Eau Claire

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Eau Claire (average of $46). Flying from Illinois to Eau Claire in January is currently the most expensive (average of $120). 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 EAU?

Find hourly flight availability from Illinois to Eau Claire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 2, 2026.

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

Weekly flight availability from Illinois to Eau Claire

Explore weekly flight availability from Illinois to Eau Claire. 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 February 2, 2026.

The most flights from USIL to EAU are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Eau Claire. 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 Eau Claire from Illinois?

    If you book a flight to Eau Claire from Illinois, you will be flying to Eau Claire, which is the city’s only airport. Eau Claire (EAU) is located 3.8 mi from the center of Eau Claire.

  • How long is the flight from Illinois to Eau Claire?

    Airlines like United Airlines fly from Illinois to Eau Claire in about 1h 26m. The time it takes to get you to your destination is usually consistent. The distance between Illinois and Eau Claire is about 268 mi. All flights are typically nonstop.

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

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

  • How can I find direct flights from Illinois to Eau Claire?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Eau Claire 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 Eau Claire?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Eau Claire (average of $46). Flying from Illinois to Eau Claire in January is currently the most expensive (average of $120). 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 Eau Claire

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Top airline flying from Illinois to Eau Claire

Discover the top airline that operate flights from Illinois to Eau Claire. 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$200FlexibilityNo cancel feeOn-time69%

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