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Waco

$390+ Cheap flights from Illinois to Waco (ACT)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ACT
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
1 adult, Economy
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Cheap flight deals from Illinois to Waco

Keep the following information in mind while searching for Illinois to Waco flight deals. Data was last updated September 5, 2025.

Round-trip from

$390
(American Airlines)
From Illinois to Waco
Search Deals

Find flight deals from Illinois to Waco

Cheapest flights from Illinois to Waco
Explore the most affordable flight options available from Illinois to Waco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This American Airlines deal was found by Cheapflights users on 9/3. 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 10/15:18 amSTL - ACT
1 stop4h 30mAmerican Airlines
Wed 10/85:09 amACT - STL
1 stop3h 44mAmerican Airlines
Deal found 9/3$390
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/25:18 amSTL - ACT
1 stop4h 29mAmerican Airlines
Mon 10/66:46 pmACT - STL
1 stop5h 03mAmerican Airlines
Deal found 9/4$393
This American Airlines deal was found by Cheapflights users on 9/4. 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 11/83:14 pmORD - ACT
1 stop7h 24mAmerican Airlines
Mon 11/105:08 amACT - ORD
1 stop5h 29mAmerican Airlines
Deal found 9/4$422
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/195:18 amSTL - ACT
1 stop4h 30mAmerican Airlines
Tue 9/236:31 pmACT - STL
1 stop4h 19mAmerican Airlines
Deal found 9/4$426
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/53:59 pmSTL - ACT
1 stop6h 11mAmerican Airlines
Fri 9/126:31 pmACT - STL
1 stop4h 19mAmerican Airlines
Deal found 9/3$439
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:58 pmPIA - ACT
1 stop5h 12mAmerican Airlines
Wed 9/106:31 pmACT - PIA
1 stop4h 52mAmerican Airlines
Deal found 9/2$501
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/64:10 pmORD - ACT
1 stop7h 10mAmerican Airlines
Thu 10/96:46 pmACT - ORD
1 stop4h 27mAmerican Airlines
Deal found 9/4$532
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:20 amSTL - ACT
1 stop4h 34mAmerican Airlines
Sun 11/26:13 pmACT - STL
1 stop4h 16mAmerican Airlines
Deal found 9/2$540
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:20 amSTL - ACT
1 stop4h 30mAmerican Airlines
Sun 10/265:09 amACT - STL
1 stop4h 11mAmerican Airlines
Deal found 9/2$541
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/191:20 pmORD - ACT
1 stop4h 39mAmerican Airlines
Tue 9/2310:23 amACT - ORD
1 stop6h 55mAmerican Airlines
Deal found 9/3$644
This American Airlines deal was found by Cheapflights users on 9/3. 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 12/194:53 pmORD - ACT
2 stops6h 56mAmerican Airlines
Sun 12/215:42 pmACT - ORD
1 stop4h 37mAmerican Airlines
Deal found 9/3$822

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Waco 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 5, 2025.
Use the filters below to find and compare flights from Illinois to Waco that are best for you.

Fly from

Illinois

Fly to

Waco

Route

Depart

Return

Price

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Wed 10/1

5:18 am-9:48 am

1 stop4h 30m

Waco

Wed 10/8

5:09 am-8:53 am

1 stop3h 44m

$390

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Thu 10/2

5:18 am-9:47 am

1 stop4h 29m

Waco

Mon 10/6

6:46 pm-11:49 pm

1 stop5h 03m

$393

ChicagoWaco

ORD - ACT

ORDACT

Chicago O'Hare Intl

Sat 11/8

3:14 pm-10:38 pm

1 stop7h 24m

Waco

Mon 11/10

5:08 am-10:37 am

1 stop5h 29m

$422

ChicagoWaco

ORD - ACT

ORDACT

Chicago O'Hare Intl

Fri 1/9

1:12 pm-5:39 pm

1 stop4h 27m

Waco

Sun 1/11

10:23 am-5:38 pm

1 stop7h 15m

$426

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 9/19

5:18 am-9:48 am

1 stop4h 30m

Waco

Tue 9/23

6:31 pm-10:50 pm

1 stop4h 19m

$426

MolineWaco

MLI - ACT

MLIACT

Moline Quad-City

Sat 1/31

3:47 pm-9:46 pm

1 stop5h 59m

Waco

Tue 2/3

5:08 am-10:50 am

1 stop5h 42m

$450

ChicagoWaco

ORD - ACT

ORDACT

Chicago O'Hare Intl

Mon 10/6

4:10 pm-11:20 pm

1 stop7h 10m

Waco

Thu 10/9

6:46 pm-11:13 pm

1 stop4h 27m

$532

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Wed 10/29

5:20 am-9:54 am

1 stop4h 34m

Waco

Sun 11/2

6:13 pm-10:29 pm

1 stop4h 16m

$540

St. LouisWaco

STL - ACT

STLACT

Lambert-St Louis

Fri 10/24

5:20 am-9:50 am

1 stop4h 30m

Waco

Sun 10/26

5:09 am-9:20 am

1 stop4h 11m

$541

ChicagoWaco

ORD - ACT

ORDACT

Chicago O'Hare Intl

Fri 12/19

10:29 am-5:12 pm

1 stop6h 43m

Waco

Sun 12/21

5:42 pm-10:19 pm

1 stop4h 37m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 12 results
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Best time to book a flight from Illinois to Waco

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

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Waco (average of $319). Flying from Illinois to Waco in December is currently the most expensive (average of $486). 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.

Related info for your journey

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

    If you book a flight to Waco from Illinois, you will be flying to Waco, which is the city’s only airport. Waco (ACT) is located 6.2 mi from the center of Waco.

  • How long is the flight from Illinois to Waco?

    A quick flight from Illinois to Waco can take about 4h 30m. American Airlines provides one of the quickest options available for as low as $390. Airlines will cover a distance of 626 mi.

  • What are the most popular routes from Illinois to Waco?

    The most popular route from Illinois to Waco is Lambert-St Louis - Waco. You may also consider Chicago O'Hare Intl - Waco or Dubuque - Waco.

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

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

  • How can I find direct flights from Illinois to Waco?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Waco 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 Waco?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Waco (average of $319). Flying from Illinois to Waco in December is currently the most expensive (average of $486). 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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