HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Columbia

$164+ Cheap flights from Illinois to Columbia, MO (COU)

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COU
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Columbia 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Illinois to Columbia

Cheapest flights from Illinois to Columbia
Explore the most affordable flight options available from Illinois to Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.

This American Airlines deal was found by Cheapflights users on 6/4. 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 6/268:30 am
ORD
-
COU
Nonstop1h 36m
American Airlines
Sun 6/286:47 pm
COU
-
ORD
Nonstop1h 47m
American Airlines
Deal found 6/4$239
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/210:00 pm
ORD
-
COU
Nonstop1h 33m
United Airlines
Mon 7/610:49 am
COU
-
ORD
Nonstop1h 41m
United Airlines
Deal found 6/7$249
This American Airlines deal was found by Cheapflights users on 6/4. 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 9/258:24 am
ORD
-
COU
Nonstop1h 32m
American Airlines
Sun 9/275:44 am
COU
-
ORD
Nonstop1h 46m
American Airlines
Deal found 6/4$254
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 8/208:40 am
ORD
-
COU
Nonstop1h 36m
United Airlines
Sun 8/236:15 am
COU
-
ORD
Nonstop1h 39m
United Airlines
Deal found 6/5$259
This American Airlines deal was found by Cheapflights users on 6/8. 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 6/247:50 pm
ORD
-
COU
Nonstop1h 34m
American Airlines
Sun 6/2810:36 am
COU
-
ORD
Nonstop1h 32m
American Airlines
Deal found 6/8$264
This American Airlines deal was found by Cheapflights users on 6/3. 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 10/94:40 pm
ORD
-
COU
Nonstop1h 26m
American Airlines
Sun 10/118:00 pm
COU
-
ORD
Nonstop1h 30m
American Airlines
Deal found 6/3$269
This American Airlines deal was found by Cheapflights users on 6/5. 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 6/184:44 pm
ORD
-
COU
Nonstop1h 33m
American Airlines
Sat 6/276:00 am
COU
-
ORD
Nonstop1h 38m
American Airlines
Deal found 6/5$284
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 6/178:30 am
ORD
-
COU
Nonstop1h 36m
American Airlines
Mon 6/226:47 pm
COU
-
ORD
Nonstop1h 47m
American Airlines
Deal found 6/4$299
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:40 am
ORD
-
COU
Nonstop1h 33m
United Airlines
Tue 7/78:00 am
COU
-
ORD
Nonstop1h 40m
United Airlines
Deal found 6/3$309
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 6/254:44 pm
ORD
-
COU
Nonstop1h 33m
American Airlines
Fri 7/106:20 am
COU
-
ORD
Nonstop1h 41m
American Airlines
Deal found 6/3$310
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/149:00 am
ORD
-
COU
Nonstop1h 37m
United Airlines
Sat 10/1711:19 am
COU
-
ORD
Nonstop1h 41m
United Airlines
Deal found 6/7$319

Find flight deals from Illinois to Columbia

Keep the following information in mind while searching for Illinois to Columbia flight deals. Data was last updated June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$164
(United Airlines)

Popular in

August

Cheapest in

December

Average price

$268

Good round-trip deal

$326 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Chicago (CHI)-Columbia Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Columbia Regional flights.
Search Deals
From Illinois to Columbia Regional
Search Deals
One-way flight from Illinois to Columbia Regional
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Columbia Regional.
Search Deals
Price to beat on a one-way flight from Illinois to Columbia Regional.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Columbia 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 June 8, 2026.
Use the filters below to find and compare flights from Illinois to Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Thu 7/2

10:00 pm-11:33 pm

Nonstop1h 33m

Columbia Regional

Mon 7/6

8:00 am-9:40 am

Nonstop1h 40m

$249

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Sat 8/1

10:00 pm-11:33 pm

Nonstop1h 33m

Columbia Regional

Wed 8/5

3:25 pm-5:05 pm

Nonstop1h 40m

$249

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Thu 8/20

8:40 am-10:16 am

Nonstop1h 36m

Columbia Regional

Sun 8/23

6:15 am-7:54 am

Nonstop1h 39m

$259

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Mon 6/22

8:40 am-10:13 am

Nonstop1h 33m

Columbia Regional

Tue 6/30

3:25 pm-5:05 pm

Nonstop1h 40m

$264

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Fri 6/26

10:00 pm-11:33 pm

Nonstop1h 33m

Columbia Regional

Tue 6/30

3:25 pm-5:05 pm

Nonstop1h 40m

$319

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Mon 7/6

8:40 am-10:13 am

Nonstop1h 33m

Columbia Regional

Sat 7/25

3:25 pm-5:05 pm

Nonstop1h 40m

$319

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Sat 7/11

10:00 pm-11:33 pm

Nonstop1h 33m

Columbia Regional

Tue 7/28

3:25 pm-5:05 pm

Nonstop1h 40m

$319

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Sun 7/12

8:40 am-10:13 am

Nonstop1h 33m

Columbia Regional

Tue 7/28

10:49 am-12:30 pm

Nonstop1h 41m

$319

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Sat 7/11

10:00 pm-11:33 pm

Nonstop1h 33m

Columbia Regional

Mon 7/27

10:49 am-12:30 pm

Nonstop1h 41m

$319

ChicagoColumbia

ORD - COU

ORDCOU

Chicago O'Hare Intl

Sat 7/11

8:40 am-10:13 am

Nonstop1h 33m

Columbia Regional

Sat 7/25

10:49 am-12:30 pm

Nonstop1h 41m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Illinois to Columbia

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

What is the cheapest month to book a flight from Illinois to Columbia, Missouri?

Currently, July is the cheapest month in which you can book a flight from Illinois to Columbia, Missouri (average of $159). Flying from Illinois to Columbia, Missouri in June is currently the most expensive (average of $218). 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 COU?

Find hourly flight availability from Illinois to Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 8, 2026.

When flying from Illinois to Columbia, Missouri, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 16% versus a flight at noon.

Weekly flight availability from Illinois to Columbia, Missouri

Explore weekly flight availability from Illinois to Columbia. 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 June 8, 2026.

The most flights from USIL to COU are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Illinois to Columbia, Missouri?

What is the cheapest day to fly from Illinois to Columbia, Missouri?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Columbia. Price data was last updated on May 30, 2026.

Travelers seeking maximum savings on their Illinois to Columbia, Missouri flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

    Located just 11.1 mi from the city center, Columbia Regional (COU) is the airport most travelers will use when flying to Columbia from Illinois.

  • How long is the flight from Illinois to Columbia, Missouri?

    Departing from Illinois to Columbia, Missouri will take you 1h 33m. The distance from Illinois to Columbia, Missouri is about 315 mi. All flights are typically nonstop.

  • What are the most reliable airlines from Illinois to Columbia, Missouri?

    Consider American Airlines (81%), Envoy Air (81%) or Qatar Airways (75%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Columbia, Missouri.

  • What are the cheapest flights from Illinois to Columbia, Missouri?

    Looking at all options, your cheapest flight can be booked for $163. While the most popular route (Chicago O'Hare Intl - Columbia Regional) can be booked for $239 on average, our data indicates $316 when flying from Illinois to Columbia, Missouri.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Columbia 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 Columbia, Missouri?

    Currently, July is the cheapest month in which you can book a flight from Illinois to Columbia, Missouri (average of $159). Flying from Illinois to Columbia, Missouri in June is currently the most expensive (average of $218). 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

Traveling to a place near Columbia?

Book flights to Columbia if you plan to visit one of these locations
Jefferson City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Kansas City flights
John F Kennedy Intl to Kansas City flights
LaGuardia to Kansas City flights
LaGuardia to St. Louis flights
Los Angeles to Kansas City flights
Dulles Intl to Kansas City flights
Newark to St. Louis flights
O'Hare Intl to Kansas City flights
Dulles Intl to St. Louis flights
Seattle to Kansas City flights
Denver to Kansas City flights
Baltimore to Kansas City flights
Denver to St. Louis flights
Dallas/Fort Worth to Kansas City flights
Los Angeles to St. Louis flights
Hobby to Kansas City flights
Reagan-National to Kansas City flights
Miami to Kansas City flights
John F Kennedy Intl to St. Louis flights
Dallas/Fort Worth to St. Louis flights
Seattle to St. Louis flights
Orlando to Kansas City flights
Sky Harbor Intl to Kansas City flights
San Francisco to Kansas City flights
Boston to Kansas City flights
Fort Lauderdale to Kansas City flights
Hobby to St. Louis flights
Baltimore to St. Louis flights
George Bush Intcntl to Kansas City flights
Boston to St. Louis flights
San Francisco to St. Louis flights
George Bush Intcntl to St. Louis flights
Orlando to St. Louis flights
Philadelphia to St. Louis flights
Philadelphia to Kansas City flights
Reagan-National to St. Louis flights
Atlanta to St. Louis flights
Ontario to Kansas City flights
Midway to Kansas City flights
Minneapolis to St. Louis flights
Denver to Springfield flights
Minneapolis to Kansas City flights
Atlanta to Kansas City flights
Raleigh to St. Louis flights
San Diego to St. Louis flights
Charlotte to Kansas City flights
Tampa to St. Louis flights
O'Hare Intl to St. Louis flights
Tampa to Kansas City flights
San Diego to Kansas City flights

Top 2 airlines flying from Illinois to Columbia

Discover the top 2 airlines that operate flights from Illinois to Columbia. 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$178Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$178Average$299FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.