$129+ Cheap flights from Columbia, MO (COU) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
COU — ORD
Nov 20 — Nov 271
Round-trip
1 adult, Economy
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Find cheap flights from Columbia to Illinois 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 Columbia to IllinoisExplore the most affordable flight options available from Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
Explore the most affordable flight options available from Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
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.
Wed 11/253:15 pm -
1 stop24h 37m
Wed 12/28:15 am -
2 stops31h 57m
Deal found 10/20![Multiple Airlines logo]()
$287
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.
Mon 11/238:04 pm -
1 stop19h 48m
Wed 12/28:15 am -
2 stops31h 57m
Deal found 10/20![Multiple Airlines logo]()
$288
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.
Mon 11/238:04 pm -
1 stop19h 48m
Fri 12/48:49 pm -
2 stops43h 43m
Deal found 10/20![Multiple Airlines logo]()
$299
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:28 pm -
Nonstop1h 46m
Mon 11/237:53 pm -
Nonstop1h 36m
Deal found 10/20![American Airlines logo]()
$309
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.
Thu 11/56:13 am -
Nonstop1h 45m
Sun 11/88:14 am -
Nonstop1h 34m
Deal found 10/17![American Airlines logo]()
$324
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.
Mon 11/238:04 pm -
1 stop19h 48m
Thu 12/38:49 pm -
2 stops20h 53m
Deal found 10/20![Multiple Airlines logo]()
$326
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.
Sun 11/224:47 pm -
2 stops30h 47m
Thu 12/35:24 pm -
1 stop24h 18m
Deal found 10/20![Multiple Airlines logo]()
$330
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.
Thu 11/268:00 am -
Nonstop1h 45m
Sat 11/289:05 am -
Nonstop1h 40m
Deal found 10/17![United Airlines logo]()
$331
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 am -
Nonstop1h 45m
Sat 11/289:05 am -
Nonstop1h 40m
Deal found 10/19![United Airlines logo]()
$335
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.
Sat 12/263:10 pm -
Nonstop1h 44m
Sun 12/279:30 pm -
Nonstop1h 57m
Deal found 10/17![United Airlines logo]()
$337
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.
Mon 10/196:15 am -
1 stop3h 51m
Wed 10/2110:43 am -
1 stop4h 25m
Deal found 10/18![United Airlines logo]()
$766
Best flights from Columbia to IllinoisDiscover carefully curated flight deals from Columbia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
Discover carefully curated flight deals from Columbia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
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.
Sat 12/511:25 am -
Nonstop1h 39m
Tue 12/812:55 pm -
Nonstop1h 33m
Deal found 10/17![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/215:08 pm -
1 stop6h 00m
Sun 11/228:29 am -
Nonstop1h 35m
Deal found 10/21![American Airlines logo]()
$405
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.
Sat 12/53:04 pm -
Nonstop1h 37m
Mon 12/77:45 pm -
Nonstop1h 38m
Deal found 10/17![United Airlines logo]()
$309
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.
Sat 1/3011:36 am -
Nonstop1h 34m
Fri 2/58:55 am -
Nonstop1h 51m
Deal found 10/18![United Airlines logo]()
$309
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:25 am -
Nonstop1h 37m
Sun 12/137:45 pm -
Nonstop1h 38m
Deal found 10/20![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/257:45 am -
Nonstop1h 49m
Tue 12/2912:50 pm -
Nonstop1h 38m
Deal found 10/21![United Airlines logo]()
$414
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/158:00 am -
Nonstop1h 33m
Sun 4/189:00 am -
Nonstop1h 29m
Deal found 10/20![United Airlines logo]()
$443
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.
Tue 3/168:00 am -
Nonstop1h 33m
Sun 4/49:00 am -
Nonstop1h 29m
Deal found 10/19![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/48:00 am -
Nonstop1h 45m
Sun 12/69:55 pm -
2 stops23h 44m
Deal found 10/21![United Airlines logo]()
$537
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:15 am -
Nonstop1h 45m
Mon 12/1412:55 pm -
Nonstop1h 33m
Deal found 10/20![United Airlines logo]()
$539
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 am -
Nonstop1h 45m
Mon 11/99:35 pm -
2 stops23h 06m
Deal found 10/20![United Airlines logo]()
$572
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 am -
Nonstop1h 45m
Fri 11/202:09 pm -
2 stops30h 32m
Deal found 10/20![United Airlines logo]()
$573
Last-minute flights from Columbia to IllinoisDiscover last-minute flight deals from Columbia to Illinois. Data last updated October 21, 2026 and is based on user searches.
Discover last-minute flight deals from Columbia to Illinois. Data last updated October 21, 2026 and is based on user searches.
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.
Thu 11/56:13 am -
Nonstop1h 45m
Sun 11/88:14 am -
Nonstop1h 34m
Deal found 10/17![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/510:24 am -
Nonstop1h 36m
Mon 11/98:14 am -
Nonstop1h 34m
Deal found 10/21![American Airlines logo]()
$340
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:28 pm -
Nonstop1h 46m
Sun 11/228:29 am -
Nonstop1h 35m
Deal found 10/20![American Airlines logo]()
$309
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.
Sun 11/224:47 pm -
2 stops30h 47m
Thu 12/35:24 pm -
1 stop24h 18m
Deal found 10/20![Multiple Airlines logo]()
$330
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.
Mon 11/238:04 pm -
1 stop19h 48m
Wed 12/28:15 am -
2 stops31h 57m
Deal found 10/20![Multiple Airlines logo]()
$288
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.
Mon 11/238:04 pm -
1 stop19h 48m
Fri 12/48:49 pm -
2 stops43h 43m
Deal found 10/20![Multiple Airlines logo]()
$299
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.
Mon 11/238:04 pm -
1 stop19h 48m
Thu 12/38:49 pm -
2 stops20h 53m
Deal found 10/20![Multiple Airlines logo]()
$326
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.
Wed 11/253:15 pm -
1 stop24h 37m
Wed 12/28:15 am -
2 stops31h 57m
Deal found 10/20![Multiple Airlines logo]()
$287
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 am -
Nonstop1h 45m
Sat 11/289:05 am -
Nonstop1h 40m
Deal found 10/19![United Airlines logo]()
$335
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.
Thu 11/268:00 am -
Nonstop1h 45m
Sat 11/289:05 am -
Nonstop1h 40m
Deal found 10/17![United Airlines logo]()
$331
One-way flights from Columbia to IllinoisSearch for one-way flight options from Columbia to Illinois. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
Search for one-way flight options from Columbia to Illinois. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
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.
Mon 11/1611:33 am -
2 stops30h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$129
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.
Fri 11/1312:58 pm -
2 stops46h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 10/21. 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 1/137:17 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 10/21. 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 1/147:17 pm -
Nonstop1h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$199
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.
Thu 12/175:43 pm -
2 stops49h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$208
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.
Thu 12/176:44 pm -
Nonstop1h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$225
Find flight deals from Columbia to Illinois
Keep the following information in mind while searching for Columbia to Illinois flight deals. Data was last updated October 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Kiwi.com) |
One-way from | $129 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $353 |
Good round-trip deal | $377 or less |
Good one-way deal | $294 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Columbia 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 7,457,451 searches. Data last updated October 21, 2026.
Use the filters below to find and compare flights from Columbia to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Sat 12/26
3:10 pm-4:54 pm
Nonstop1h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Wed 1/13
7:17 pm-9:05 pm
Nonstop1h 48m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Thu 1/14
7:17 pm-9:05 pm
Nonstop1h 48m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Fri 11/13
3:00 pm-4:47 pm
Nonstop1h 47m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Mon 11/30
3:00 pm-4:47 pm
Nonstop1h 47m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Sat 12/5
11:25 am-1:04 pm
Nonstop1h 39m
Chicago O'Hare Intl
Tue 12/8
12:55 pm-2:28 pm
Nonstop1h 33m
$309
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Sat 12/5
3:04 pm-4:41 pm
Nonstop1h 37m
Chicago O'Hare Intl
Mon 12/7
7:45 pm-9:23 pm
Nonstop1h 38m
$309
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Sat 1/30
11:36 am-1:10 pm
Nonstop1h 34m
Chicago O'Hare Intl
Fri 2/5
8:55 am-10:46 am
Nonstop1h 51m
$309
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Wed 12/9
11:25 am-1:02 pm
Nonstop1h 37m
Chicago O'Hare Intl
Sun 12/13
7:45 pm-9:23 pm
Nonstop1h 38m
$399
ColumbiaChicago
COU Columbia Regional - ORD Chicago O'Hare Intl
COUORD
Columbia Regional
Thu 12/3
6:47 am-8:49 pm
2 stops14h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$405
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Columbia to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Columbia with our price prediction graph.
COU-ORD
COU-PIA
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 Columbia to Illinois
COU-USIL
COU-ORD
COU-PIA
What is the cheapest month to book a flight from Columbia, Missouri to Illinois?
Currently, January is the cheapest month in which you can book a flight from Columbia, Missouri to Illinois (average of $254). Flying from Columbia, Missouri to Illinois in April is currently the most expensive (average of $365). 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 COU to IL?
Find hourly flight availability from Columbia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 21, 2026.
It’s typically best to fly out from Columbia, Missouri to Illinois in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Columbia, Missouri to Illinois
Explore weekly flight availability from Columbia to Illinois. 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 21, 2026.
The most flights from COU to USIL are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Columbia, Missouri to Illinois?
Airfare is typical for this route at the moment.
Columbia, Missouri to Illinois flights typically cost between $258 and $377 in November.The cheapest round-trip price found within the last 5 days was $287 on Multiple Airlines (Nov 25-Dec 2).
How far ahead should I book a flight from Columbia, Missouri to Illinois?
The best time to book flights from Columbia, Missouri to Illinois is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Columbia, Missouri to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Columbia to Illinois. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Columbia, Missouri to Illinois flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 21, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Columbia to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Columbia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 2 airlines flying from Columbia to Illinois
Discover the top 2 airlines that operate flights from Columbia to Illinois. 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 October 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$318 | FlexibilityNo cancel fee | On-time69% |