$167+ Cheap flights from Illinois to Columbia, MO (COU)
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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COU
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Columbia with Cheapflights
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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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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 October 20, 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 October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/138:14 am -
Nonstop1h 34m
Mon 11/166:26 pm -
Nonstop1h 47m
Deal found 10/16![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/128:14 am -
Nonstop1h 34m
Sun 11/156:13 am -
Nonstop1h 47m
Deal found 10/18![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/38:40 pm -
Nonstop1h 35m
Sat 11/710:24 am -
Nonstop1h 36m
Deal found 10/19![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/254:22 pm -
Nonstop1h 36m
Sat 1/26:39 pm -
Nonstop1h 46m
Deal found 10/16![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/249:25 pm -
Nonstop1h 33m
Sun 11/298:00 am -
Nonstop1h 45m
Deal found 10/16![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3012:45 pm -
Nonstop1h 33m
Mon 11/23:00 pm -
Nonstop1h 47m
Deal found 10/16![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/108:14 am -
Nonstop1h 34m
Tue 11/1712:05 pm -
1 stop7h 55m
Deal found 10/16![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 12/225:00 am -
1 stop5h 39m
Tue 12/296:00 am -
Nonstop1h 45m
Deal found 10/18![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/51:04 pm -
2 stops23h 04m
Mon 11/911:33 am -
1 stop29h 34m
Deal found 10/20![Multiple Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/98:14 am -
Nonstop1h 34m
Mon 11/96:26 pm -
Nonstop1h 47m
Deal found 10/15![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/227:18 pm -
Nonstop1h 37m
Sun 10/2510:40 am -
Nonstop1h 34m
Deal found 10/15![American Airlines logo]()
$399
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 October 20, 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 October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/108:40 pm -
Nonstop1h 35m
Tue 11/176:15 am -
Nonstop1h 45m
Deal found 10/16![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/249:25 pm -
Nonstop1h 33m
Sun 11/298:00 am -
Nonstop1h 45m
Deal found 10/16![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/259:25 pm -
Nonstop1h 33m
Sun 11/298:00 am -
Nonstop1h 45m
Deal found 10/19![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/1112:02 pm -
1 stop7h 16m
Wed 11/188:12 am -
1 stop7h 58m
Deal found 10/19![American Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/2912:40 pm -
2 stops31h 50m
Sun 1/3111:36 am -
Nonstop1h 34m
Deal found 10/19![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/136:06 pm -
2 stops26h 35m
Mon 11/168:00 am -
Nonstop1h 45m
Deal found 10/16![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/62:09 pm -
2 stops30h 32m
Mon 11/93:00 pm -
Nonstop1h 47m
Deal found 10/16![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/18:05 pm -
2 stops25h 34m
Tue 12/88:00 am -
Nonstop1h 45m
Deal found 10/17![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/129:02 am -
2 stops11h 39m
Sun 11/158:00 am -
Nonstop1h 45m
Deal found 10/19![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/63:40 pm -
2 stops29h 01m
Thu 11/128:00 am -
Nonstop1h 45m
Deal found 10/17![United Airlines logo]()
$602
Last-minute flights from Illinois to ColumbiaDiscover last-minute flight deals from Illinois to Columbia. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Columbia. Data last updated October 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/227:18 pm -
Nonstop1h 37m
Sun 10/2510:40 am -
Nonstop1h 34m
Deal found 10/15![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3012:45 pm -
Nonstop1h 33m
Mon 11/23:00 pm -
Nonstop1h 47m
Deal found 10/16![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 11/38:40 pm -
Nonstop1h 35m
Sat 11/710:24 am -
Nonstop1h 36m
Deal found 10/19![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/98:14 am -
Nonstop1h 34m
Mon 11/96:26 pm -
Nonstop1h 47m
Deal found 10/15![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/108:14 am -
Nonstop1h 34m
Tue 11/1712:05 pm -
1 stop7h 55m
Deal found 10/16![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/128:14 am -
Nonstop1h 34m
Sun 11/156:13 am -
Nonstop1h 47m
Deal found 10/18![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/138:14 am -
Nonstop1h 34m
Mon 11/166:26 pm -
Nonstop1h 47m
Deal found 10/16![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/249:25 pm -
Nonstop1h 33m
Sun 11/298:00 am -
Nonstop1h 45m
Deal found 10/16![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/254:22 pm -
Nonstop1h 36m
Sat 1/26:39 pm -
Nonstop1h 46m
Deal found 10/16![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/259:25 pm -
Nonstop1h 33m
Sun 11/298:00 am -
Nonstop1h 45m
Deal found 10/19![United Airlines logo]()
$403
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 October 20, 2026.
Search for one-way flight options from Illinois to Columbia. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 2/66:00 am -
2 stops34h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/59:49 am -
1 stop26h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Allegiant Air logo]()
$186
This United Airlines deal was found by Cheapflights users on 10/18. 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 12/239:30 pm -
Nonstop1h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 2/75:32 pm -
2 stops23h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$216
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/412:55 pm -
Nonstop1h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/18:39 am -
1 stop26h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Allegiant Air logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/147:35 pm -
3 stops44h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/18:50 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/248:29 am -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 10/3111:29 am -
3 stops51h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Allegiant Air logo]()
$308
This American Airlines deal was found by Cheapflights users on 10/17. 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 10/3111:21 am -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/257:53 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![American Airlines logo]()
$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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (American Airlines) |
One-way from | $167 (Kiwi.com) |
Popular in | September |
Cheapest in | December |
Average price | $349 |
Good round-trip deal | $439 or less |
Good one-way deal | $301 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 October 20, 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
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Wed 12/23
9:30 pm-11:27 pm
Nonstop1h 57m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
Quickest round-trip
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Fri 12/4
12:55 pm-2:28 pm
Nonstop1h 33m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sun 2/7
5:16 pm-4:58 pm
1 stop23h 42m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$245
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sun 11/15
8:14 am-9:48 am
Nonstop1h 34m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Tue 11/24
8:29 am-10:04 am
Nonstop1h 35m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 11/7
7:45 pm-9:23 pm
Nonstop1h 38m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 11/14
9:05 am-10:45 am
Nonstop1h 40m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 11/28
9:25 pm-10:58 pm
Nonstop1h 33m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Sat 11/21
7:45 pm-9:23 pm
Nonstop1h 38m
Columbia Regional
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ChicagoColumbia
ORD Chicago O'Hare Intl - COU Columbia Regional
ORDCOU
Chicago O'Hare Intl
Tue 11/10
8:40 pm-10:15 pm
Nonstop1h 35m
Columbia Regional
Tue 11/17
6:15 am-8:00 am
Nonstop1h 45m
$309
Showing 1-10 of 25 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
MLI-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
MLI-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 $488). 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 October 20, 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 18% versus a flight in the morning.
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 October 20, 2026.
The most flights from USIL to COU are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Illinois to Columbia, Missouri?
Airfare is typical for this route at the moment.
Illinois to Columbia, Missouri flights typically cost between $302 and $460 in November.The cheapest round-trip price found within the last 5 days was $309 on American Airlines (Nov 13-Nov 16).
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 October 17, 2026.
Travelers seeking maximum savings on their Illinois to Columbia, Missouri flight should consider departing on Saturday at noon 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
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Book flights to Columbia if you plan to visit one of these locationsJefferson City
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Top 2 airlines flying from Illinois to Columbia
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$312 | FlexibilityNo cancel fee | On-time71% |