$330+ Cheap flights from Cali (CLO) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
CLO — ORD
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Cali to Illinois 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
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Cheapest flights from Cali to IllinoisExplore the most affordable flight options available from Cali to Illinois. 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 Cali to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:50 pm -
2 stops20h 15m
Fri 11/139:51 am -
2 stops21h 19m
Deal found 10/16![LATAM Airlines logo]()
$527
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.
Fri 12/187:30 am -
1 stop14h 45m
Fri 1/16:59 am -
1 stop13h 38m
Deal found 10/19![American Airlines logo]()
$539
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.
Mon 12/213:27 pm -
1 stop17h 11m
Sun 1/248:59 pm -
2 stops16h 33m
Deal found 10/18![American Airlines logo]()
$543
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:18 pm -
1 stop22h 28m
Tue 11/32:13 pm -
1 stop26h 19m
Deal found 10/19![Copa Airlines logo]()
$569
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:00 am -
1 stop19h 57m
Fri 10/233:20 pm -
1 stop19h 46m
Deal found 10/15![Copa Airlines logo]()
$574
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 12/237:30 am -
1 stop17h 07m
Fri 1/16:05 am -
1 stop14h 32m
Deal found 10/19![American Airlines logo]()
$581
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.
Sun 10/182:15 pm -
1 stop20h 55m
Wed 10/217:29 pm -
1 stop17h 46m
Deal found 10/17![American Airlines logo]()
$585
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:38 am -
1 stop20h 33m
Fri 11/132:13 pm -
1 stop22h 53m
Deal found 10/19![Copa Airlines logo]()
$591
Best flights from Cali to IllinoisDiscover carefully curated flight deals from Cali to Illinois 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 Cali to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:05 pm -
1 stop13h 06m
Mon 11/162:13 pm -
1 stop19h 44m
Deal found 10/15![Copa Airlines logo]()
$569
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.
Wed 2/243:33 pm -
1 stop17h 43m
Wed 3/34:50 pm -
1 stop20h 42m
Deal found 10/15![American Airlines logo]()
$583
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.
Mon 12/2112:02 pm -
2 stops13h 42m
Sun 1/249:18 am -
2 stops13h 16m
Deal found 10/19![United Airlines logo]()
$615
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/711:58 am -
1 stop12h 46m
Wed 4/143:13 pm -
1 stop23h 01m
Deal found 10/19![Copa Airlines logo]()
$569
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.
Mon 12/2112:02 pm -
2 stops13h 42m
Tue 12/298:12 pm -
2 stops20h 21m
Deal found 10/16![United Airlines logo]()
$618
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:02 pm -
1 stop13h 09m
Sun 1/242:13 pm -
1 stop19h 47m
Deal found 10/19![Copa Airlines logo]()
$569
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:05 pm -
1 stop13h 06m
Wed 1/132:13 pm -
1 stop22h 56m
Deal found 10/15![Copa Airlines logo]()
$569
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:42 am -
1 stop16h 29m
Mon 11/232:13 pm -
1 stop22h 53m
Deal found 10/18![Copa Airlines logo]()
$569
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/138:39 am -
1 stop16h 32m
Mon 2/227:35 am -
1 stop26h 23m
Deal found 10/16![Copa Airlines logo]()
$570
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:38 am -
1 stop20h 33m
Fri 11/132:13 pm -
1 stop22h 53m
Deal found 10/19![Copa Airlines logo]()
$591
This Copa Airlines deal was found by Cheapflights users on 10/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:02 pm -
1 stop13h 09m
Sat 1/162:13 pm -
1 stop22h 56m
Deal found 10/14![Copa Airlines logo]()
$600
Last-minute flights from Cali to IllinoisDiscover last-minute flight deals from Cali to Illinois. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Cali to Illinois. Data last updated October 20, 2026 and is based on user searches.
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:10 pm -
1 stop9h 47m
Sun 10/253:13 pm -
1 stop19h 49m
Deal found 10/17![Copa Airlines logo]()
$574
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:10 am -
1 stop10h 10m
Wed 11/410:30 pm -
1 stop12h 35m
Deal found 10/16![Avianca logo]()
$593
This Avianca deal was found by Cheapflights users on 10/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 am -
1 stop11h 35m
Sat 10/2411:30 pm -
1 stop17h 30m
Deal found 10/14![Avianca logo]()
$595
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.
Wed 10/2112:06 pm -
2 stops23h 10m
Sun 10/259:35 pm -
2 stops26h 02m
Deal found 10/17![United Airlines logo]()
$605
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:09 pm -
1 stop12h 56m
Sat 11/72:13 pm -
1 stop22h 53m
Deal found 10/15![Copa Airlines logo]()
$600
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:18 pm -
1 stop22h 28m
Tue 11/32:13 pm -
1 stop26h 19m
Deal found 10/19![Copa Airlines logo]()
$569
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:38 am -
1 stop20h 33m
Fri 11/132:13 pm -
1 stop22h 53m
Deal found 10/19![Copa Airlines logo]()
$591
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:50 pm -
2 stops20h 15m
Fri 11/139:51 am -
2 stops21h 19m
Deal found 10/16![LATAM Airlines logo]()
$527
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:50 pm -
1 stop23h 40m
Fri 11/1310:30 pm -
1 stop24h 05m
Deal found 10/16![Avianca logo]()
$611
One-way flights from Cali to IllinoisSearch for one-way flight options from Cali to Illinois. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Cali to Illinois. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
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 11/43:20 pm -
1 stop10h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$330
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:42 am -
2 stops31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$333
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:48 pm -
2 stops43h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$348
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1310:53 pm -
2 stops24h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$350
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/213:12 pm -
1 stop9h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Copa Airlines logo]()
$364
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.
Mon 12/217:30 am -
2 stops15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$377
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.
Sun 12/204:38 am -
2 stops21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$392
Find flight deals from Cali to Illinois
Keep the following information in mind while searching for Cali to Illinois flight deals. Data was last updated October 20, 2026.
Round-trip from | $527 (LATAM Airlines) |
|---|---|
One-way from | $330 (American Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $714 |
Cheapflights Fare Finder
Customize your flight search to find flights from Cali 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 20, 2026.
Use the filters below to find and compare flights from Cali to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Wed 11/4
3:20 pm-9:00 am
2 stops18h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$340
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Mon 11/30
4:48 pm-11:13 am
2 stops43h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$348
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Mon 12/21
3:12 pm-12:46 pm
1 stop22h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$364
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Mon 11/30
12:05 pm-12:46 pm
1 stop25h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$364
Quickest round-trip
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Sun 11/15
12:05 pm-12:11 am
1 stop13h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$364
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Mon 12/21
7:30 am-9:31 pm
2 stops15h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$377
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Sun 12/20
4:38 am-12:44 am
2 stops21h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$392
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Sat 12/26
7:30 am-11:37 pm
1 stop17h 07m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$392
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Thu 11/12
12:05 pm-12:11 am
1 stop13h 06m
Chicago O'Hare Intl
Mon 11/16
2:13 pm-10:57 am
1 stop19h 44m
$569
CaliChicago
CLO Cali Alfonso B. Aragon Intl - ORD Chicago O'Hare Intl
CLOORD
Cali Alfonso B. Aragon Intl
Wed 4/7
11:58 am-12:44 am
1 stop12h 46m
Chicago O'Hare Intl
Wed 4/14
3:13 pm-2:14 pm
1 stop23h 01m
$569
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Cali to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Cali with our price prediction graph.
CLO-ORD
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 Cali to Illinois
CLO-USIL
CLO-ORD
What is the cheapest month to book a flight from Cali to Illinois?
Currently, February is the cheapest month in which you can book a flight from Cali to Illinois (average of $416). Flying from Cali to Illinois in October is currently the most expensive (average of $681). 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.
How much does it cost to fly round-trip from Cali to Illinois?
Airfare is typical for this route at the moment.
Cali to Illinois flights typically cost between $522 and $650 in November.The cheapest round-trip price found within the last 5 days was $527 on LATAM Airlines (Nov 8-Nov 13).
How far ahead should I book a flight from Cali to Illinois?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cali to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 20, 2026.
Read reviews from past customers who have flown Copa Airlines,American Airlines, andAvianca from Cali to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.1
Entertainment
6.9
Overall
7.6
Boarding
7.8
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
PEI - PTY
Food
7.0
Crew
8.1
Entertainment
6.9
Overall
7.6
Boarding
7.8
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
PEI - PTY
Food
7.0
Crew
8.1
Entertainment
6.9
Overall
7.6
Boarding
7.8
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
PEI - PTY
Food
7.0
Crew
8.1
Entertainment
6.9
Overall
7.6
Boarding
7.8
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
PEI - PTY
Related info for your journey
Find useful and relevant information for your journey from Cali 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Cali to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Cali to Illinois by cabin class
Find flights from Cali to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Cali and Illinois flights
Browse other Cali and Illinois flight options. Last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Cali to Illinois flights
Consider these flights traveling from Cali to Illinois.
Top 2 airlines flying from Cali to Illinois
Discover the top 2 airlines that operate flights from Cali 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$465 | Average$598 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$471 | Average$539 | FlexibilityNo cancel fee | On-time70% |