$211+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COU
Oct 3 — Oct 101
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Illinois to ColumbiaExplore 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 September 3, 2026.
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 September 3, 2026.
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.
Thu 9/248:24 am -
Nonstop1h 32m
Sun 9/276:32 pm -
Nonstop1h 58m
Deal found 9/3![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:13 pm -
Nonstop1h 33m
Mon 10/56:00 am -
Nonstop1h 38m
Deal found 9/1![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:31 pm -
Nonstop1h 31m
Tue 9/2210:38 am -
Nonstop1h 33m
Deal found 8/31![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/189:20 pm -
Nonstop1h 35m
Sun 9/206:15 am -
Nonstop1h 39m
Deal found 9/1![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/117:13 pm -
Nonstop1h 33m
Sun 9/135:44 am -
Nonstop1h 46m
Deal found 8/30![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/109:20 pm -
Nonstop1h 35m
Sun 10/116:15 am -
Nonstop1h 38m
Deal found 8/30![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:18 pm -
Nonstop1h 37m
Sun 10/116:00 am -
Nonstop1h 38m
Deal found 9/1![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 11/219:04 am -
Nonstop1h 40m
Sat 12/53:04 pm -
Nonstop1h 33m
Deal found 9/1![United Airlines logo]()
$339
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 11/68:14 am -
Nonstop1h 34m
Sun 11/86:13 am -
Nonstop1h 45m
Deal found 9/2![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 10/99:00 am -
Nonstop1h 39m
Sun 10/116:15 am -
Nonstop1h 38m
Deal found 8/31![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 9/1912:50 pm -
Nonstop1h 40m
Wed 9/233:12 pm -
Nonstop1h 48m
Deal found 9/1![United Airlines logo]()
$354
This deal was found by Cheapflights users on 9/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:50 pm -
Nonstop1h 40m
Sun 9/206:15 am -
Nonstop1h 39m
Deal found 9/1![United Airlines logo]()
$369
Best flights from Illinois to ColumbiaDiscover carefully curated flight deals from Illinois to Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Illinois to Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/109:20 pm -
Nonstop1h 35m
Sun 10/116:15 am -
Nonstop1h 38m
Deal found 8/30![United Airlines logo]()
$328
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 10/97:18 pm -
Nonstop1h 37m
Sun 10/117:12 am -
1 stop7h 18m
Deal found 9/2![American Airlines logo]()
$497
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:00 am -
Nonstop1h 39m
Mon 10/53:19 pm -
Nonstop1h 40m
Deal found 9/2![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/249:00 am -
Nonstop1h 39m
Sun 9/2711:15 am -
Nonstop1h 43m
Deal found 8/30![United Airlines logo]()
$372
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 10/27:13 pm -
Nonstop1h 33m
Mon 10/512:01 pm -
1 stop7h 15m
Deal found 9/2![American Airlines logo]()
$497
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:00 am -
Nonstop1h 39m
Tue 9/299:00 am -
2 stops22h 43m
Deal found 9/2![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/30. 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 11/134:40 pm -
2 stops28h 01m
Mon 11/163:00 pm -
Nonstop1h 47m
Deal found 8/30![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/198:50 am -
2 stops11h 49m
Wed 9/2311:20 am -
Nonstop1h 43m
Deal found 8/29![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/204:40 pm -
2 stops28h 01m
Sun 11/228:00 am -
Nonstop1h 45m
Deal found 8/29![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 9/259:20 pm -
Nonstop1h 35m
Sat 9/269:00 am -
2 stops24h 45m
Deal found 8/31![United Airlines logo]()
$501
Last-minute flights from Illinois to ColumbiaDiscover last-minute flight deals from Illinois to Columbia. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Columbia. Data last updated September 3, 2026 and is based on user searches.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:50 pm -
Nonstop1h 40m
Sat 9/1211:17 am -
Nonstop1h 43m
Deal found 9/2![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/117:13 pm -
Nonstop1h 33m
Sun 9/135:44 am -
Nonstop1h 46m
Deal found 8/30![American Airlines logo]()
$324
This deal was found by Cheapflights users on 9/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:50 pm -
Nonstop1h 40m
Sun 9/206:15 am -
Nonstop1h 39m
Deal found 9/1![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:31 pm -
Nonstop1h 31m
Tue 9/2210:38 am -
Nonstop1h 33m
Deal found 8/31![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/189:20 pm -
Nonstop1h 35m
Sun 9/206:15 am -
Nonstop1h 39m
Deal found 9/1![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/198:59 am -
Nonstop1h 39m
Wed 9/2311:20 am -
Nonstop1h 43m
Deal found 8/29![United Airlines logo]()
$339
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.
Thu 9/248:24 am -
Nonstop1h 32m
Sun 9/276:32 pm -
Nonstop1h 58m
Deal found 9/3![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:13 pm -
Nonstop1h 33m
Mon 10/56:00 am -
Nonstop1h 38m
Deal found 9/1![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:18 pm -
Nonstop1h 37m
Sun 10/116:00 am -
Nonstop1h 38m
Deal found 9/1![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 10/99:00 am -
Nonstop1h 39m
Sun 10/116:15 am -
Nonstop1h 38m
Deal found 8/31![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/109:20 pm -
Nonstop1h 35m
Sun 10/116:15 am -
Nonstop1h 38m
Deal found 8/30![United Airlines logo]()
$328
One-way flights from Illinois to ColumbiaSearch for one-way flight options from Illinois to Columbia. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Illinois to Columbia. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 am -
2 stops31h 32m
Deal found 8/30![Multiple Airlines logo]()
$211
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 am -
2 stops35h 02m
Deal found 9/2![Multiple Airlines logo]()
$219
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:15 pm -
2 stops18h 53m
Deal found 9/2![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
2 stops31h 32m
Deal found 8/29![Multiple Airlines logo]()
$241
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:51 am -
3 stops53h 11m
Deal found 9/2![Multiple Airlines logo]()
$242
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:28 pm -
3 stops44h 42m
Deal found 9/2![Multiple Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 9/301:00 pm -
Nonstop1h 38m
Deal found 8/31![United Airlines logo]()
$254
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:20 pm -
Nonstop1h 35m
Deal found 9/1![United Airlines logo]()
$255
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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (American Airlines) |
One-way from | $211 (Kiwi.com) |
Popular in | September |
Cheapest in | December |
Average price | $484 |
Good round-trip deal | $248 or less |
Good one-way deal | $243 or less |
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 7,457,451 searches. Data last updated September 3, 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
Cheapest round-trip
Quickest round-trip
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 10/10
9:20 pm-10:55 pm
Nonstop1h 35m
Columbia Regional
Sun 10/11
6:15 am-7:53 am
Nonstop1h 38m
$328
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 10/3
9:00 am-10:39 am
Nonstop1h 39m
Columbia Regional
Mon 10/5
3:19 pm-4:59 pm
Nonstop1h 40m
$339
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Thu 9/24
9:00 am-10:39 am
Nonstop1h 39m
Columbia Regional
Sun 9/27
11:15 am-12:58 pm
Nonstop1h 43m
$372
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Thu 9/24
9:00 am-10:39 am
Nonstop1h 39m
Columbia Regional
Tue 9/29
9:00 am-7:43 am
2 stops22h 43m
$436
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 11/13
4:40 pm-8:41 pm
2 stops28h 01m
Columbia Regional
Mon 11/16
3:00 pm-4:47 pm
Nonstop1h 47m
$492
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 9/19
8:50 am-8:39 pm
2 stops11h 49m
Columbia Regional
Wed 9/23
11:20 am-1:03 pm
Nonstop1h 43m
$492
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 11/20
4:40 pm-8:41 pm
2 stops28h 01m
Columbia Regional
Sun 11/22
8:00 am-9:45 am
Nonstop1h 45m
$492
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 10/9
7:18 pm-8:55 pm
Nonstop1h 37m
Columbia Regional
Sun 10/11
7:12 am-2:30 pm
1 stop7h 18m
$497
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 10/2
7:13 pm-8:46 pm
Nonstop1h 33m
Columbia Regional
Mon 10/5
12:01 pm-7:16 pm
1 stop7h 15m
$497
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 9/25
9:20 pm-10:55 pm
Nonstop1h 35m
Columbia Regional
Sat 9/26
9:00 am-9:45 am
2 stops24h 45m
$501
Showing 1-10 of 17 resultsSorted by cheapest first
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.
ORD-COU
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
USIL-COU
ORD-COU
What is the cheapest month to book a flight from Illinois to Columbia, Missouri?
Currently, February is the cheapest month in which you can book a flight from Illinois to Columbia, Missouri (average of $238). Flying from Illinois to Columbia, Missouri in September is currently the most expensive (average of $484). 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 September 3, 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 afternoon, which can drop the price by up to 13% 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 September 3, 2026.
The most flights from USIL to COU are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, 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?
Airfare is below average for this route at the moment.
Illinois to Columbia, Missouri flights typically cost between $289 and $576 in September.The cheapest round-trip price found within the last 5 days was $268 on American Airlines (Sep 24-Sep 27).
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 August 29, 2026.
Travelers seeking maximum savings on their Illinois to Columbia, Missouri flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings 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.
Traveling to a place near Columbia?
Book flights to Columbia if you plan to visit one of these locationsJefferson 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
Columbia flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Illinois to Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Columbia
Explore flights to Columbia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Complete your trip
Complete your trip to Columbia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Columbia by cabin class
Find flights from Illinois to Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Columbia flights
Browse other Illinois and Columbia flight options. Last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Columbia flights
Consider these flights traveling from Illinois to Columbia.
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 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$298 | FlexibilityNo cancel fee | On-time71% |