$472+ Cheap flights from Waco (ACT) to Illinois
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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ACT — ORD
Feb 10 — Feb 171
1 adult, Economy
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Find cheap flights from Waco to Illinois 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
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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 Waco to Illinois
Keep the following information in mind while searching for Waco to Illinois flight deals. Data was last updated January 11, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $472 (American Airlines) |
Find flight deals from Waco to Illinois
Cheapest flights from Waco to IllinoisExplore the most affordable flight options available from Waco to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.
Explore the most affordable flight options available from Waco to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.
This American Airlines deal was found by Cheapflights users on 1/9. 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 1/245:08 amACT - ORD
1 stop6h 47mAmerican Airlines
Wed 1/2810:19 amORD - ACT
1 stop7h 29mAmerican Airlines
Deal found 1/9![American Airlines logo]()
$472
Cheapflights Fare Finder
Customize your flight search to find flights from Waco to Illinois 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 11, 2026.
Use the filters below to find and compare flights from Waco to Illinois that are best for you.
Fly from
Waco
Fly to
Illinois
Route
Depart
Return
Price
WacoChicago
ACT - ORD
ACTORD
Waco
Sat 1/24
5:08 am-11:55 am
1 stop6h 47m
Chicago O'Hare Intl
Wed 1/28
10:19 am-5:48 pm
1 stop7h 29m
$472
WacoChicago
ACT - ORD
ACTORD
Waco
Sun 1/18
5:08 am-10:54 am
1 stop5h 46m
$480
WacoChicago
ACT - ORD
ACTORD
Waco
Sun 1/18
10:52 am-2:49 pm
3 stops51h 57m
$1,391
Best time to book a flight from Waco to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Waco 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 Waco to Illinois
What is the cheapest month to book a flight from Waco to Illinois?
Currently, March is the cheapest month in which you can book a flight from Waco to Illinois (average of $46). Flying from Waco to Illinois in August is currently the most expensive (average of $111). 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.