$190+ Cheap flights from Illinois to Cali (CLO)
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLO
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Cali 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 Cali
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Best
Last-minute
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Cheapest flights from Illinois to CaliExplore the most affordable flight options available from Illinois to Cali. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Illinois to Cali. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
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.
Thu 11/59:35 pm -
2 stops18h 57m
Wed 11/118:42 am -
2 stops17h 03m
Deal found 8/31![United Airlines logo]()
$431
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:27 am -
2 stops16h 18m
Wed 11/115:20 am -
2 stops19h 34m
Deal found 8/31![Delta logo]()
$436
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.
Tue 9/155:45 pm -
2 stops29h 48m
Sat 10/2412:06 pm -
2 stops21h 04m
Deal found 9/1![United Airlines logo]()
$438
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:05 pm -
2 stops28h 40m
Mon 11/912:15 pm -
2 stops22h 07m
Deal found 8/31![Delta logo]()
$443
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 9/118:40 am -
2 stops32h 53m
Sun 9/2012:08 pm -
2 stops12h 51m
Deal found 9/1![United Airlines logo]()
$444
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:27 am -
2 stops14h 48m
Thu 11/126:50 am -
2 stops26h 51m
Deal found 8/31![LATAM Airlines logo]()
$449
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:00 am -
2 stops32h 52m
Wed 10/2112:06 pm -
2 stops12h 17m
Deal found 9/3![United Airlines logo]()
$451
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:08 pm -
2 stops26h 07m
Thu 11/126:50 am -
2 stops26h 51m
Deal found 8/31![LATAM Airlines logo]()
$456
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:35 pm -
2 stops26h 02m
Thu 10/223:10 pm -
2 stops31h 18m
Deal found 9/3![United Airlines logo]()
$458
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:40 pm -
2 stops16h 15m
Mon 11/1612:05 pm -
2 stops13h 40m
Deal found 9/1![Multiple Airlines logo]()
$461
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.
Sat 11/75:30 am -
2 stops11h 02m
Tue 11/108:42 am -
2 stops17h 04m
Deal found 8/31![United Airlines logo]()
$464
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:13 pm -
1 stop22h 53m
Mon 11/1612:05 pm -
1 stop25h 41m
Deal found 9/2![Copa Airlines logo]()
$470
Best flights from Illinois to CaliDiscover carefully curated flight deals from Illinois to Cali that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Illinois to Cali that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
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 11/147:55 pm -
2 stops20h 37m
Sat 11/2112:05 pm -
2 stops22h 05m
Deal found 9/2![United Airlines logo]()
$431
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:40 pm -
2 stops16h 15m
Mon 11/1612:05 pm -
2 stops13h 40m
Deal found 9/1![Multiple Airlines logo]()
$461
This Copa Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:13 pm -
1 stop22h 53m
Mon 11/1612:05 pm -
1 stop25h 41m
Deal found 9/4![Copa Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 pm -
2 stops22h 02m
Tue 11/108:42 am -
2 stops17h 04m
Deal found 9/4![United Airlines logo]()
$451
This Copa Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:13 pm -
1 stop19h 44m
Thu 11/56:08 pm -
1 stop19h 38m
Deal found 9/4![Copa Airlines logo]()
$470
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:00 am -
2 stops32h 52m
Wed 10/2112:06 pm -
2 stops12h 17m
Deal found 9/3![United Airlines logo]()
$451
This Copa Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:13 pm -
1 stop22h 53m
Wed 11/118:42 am -
1 stop16h 29m
Deal found 9/4![Copa Airlines logo]()
$470
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.
Fri 11/138:40 pm -
2 stops25h 52m
Sat 11/2112:05 pm -
2 stops23h 06m
Deal found 9/2![United Airlines logo]()
$458
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:20 pm -
1 stop22h 50m
Wed 10/2812:09 pm -
1 stop12h 56m
Deal found 9/1![Copa Airlines logo]()
$470
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:13 pm -
1 stop26h 19m
Sat 11/712:05 pm -
1 stop13h 06m
Deal found 9/2![Copa Airlines logo]()
$470
Last-minute flights from Illinois to CaliDiscover last-minute flight deals from Illinois to Cali. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Cali. Data last updated September 4, 2026 and is based on user searches.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm -
2 stops25h 58m
Fri 9/1812:08 pm -
2 stops12h 51m
Deal found 9/3![United Airlines logo]()
$472
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 9/118:40 am -
2 stops32h 53m
Sun 9/2012:08 pm -
2 stops12h 51m
Deal found 9/1![United Airlines logo]()
$444
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.
Mon 9/149:35 pm -
2 stops25h 58m
Sat 10/2412:06 pm -
2 stops12h 17m
Deal found 9/1![United Airlines logo]()
$464
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.
Mon 9/149:35 pm -
2 stops25h 58m
Thu 9/1712:08 pm -
2 stops19h 47m
Deal found 8/31![United Airlines logo]()
$473
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.
Tue 9/155:45 pm -
2 stops29h 48m
Sat 10/2412:06 pm -
2 stops21h 04m
Deal found 9/1![United Airlines logo]()
$438
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.
Wed 9/168:40 am -
2 stops14h 53m
Sat 10/248:46 am -
2 stops23h 06m
Deal found 9/1![United Airlines logo]()
$431
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:20 pm -
1 stop19h 48m
Sat 10/2412:06 pm -
1 stop12h 51m
Deal found 9/1![Copa Airlines logo]()
$490
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:00 am -
2 stops32h 52m
Wed 10/2112:06 pm -
2 stops12h 17m
Deal found 9/3![United Airlines logo]()
$451
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:35 pm -
2 stops26h 02m
Thu 10/223:10 pm -
2 stops31h 18m
Deal found 9/3![United Airlines logo]()
$458
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:35 pm -
2 stops26h 02m
Tue 10/2012:06 pm -
2 stops12h 17m
Deal found 9/3![United Airlines logo]()
$492
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:20 pm -
1 stop22h 50m
Wed 10/2812:09 pm -
1 stop12h 56m
Deal found 9/2![Copa Airlines logo]()
$470
One-way flights from Illinois to CaliSearch for one-way flight options from Illinois to Cali. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Illinois to Cali. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
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.
Tue 9/228:50 am -
2 stops32h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$190
This Viajes Falabella 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 Viajes Falabella is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 am -
2 stops14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![LATAM Airlines logo]()
$195
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 am -
2 stops14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$196
This Viajes Falabella 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 Viajes Falabella is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 am -
2 stops14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![LATAM Airlines logo]()
$197
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:25 pm -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$201
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 11/188:40 pm -
2 stops25h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$203
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:25 am -
2 stops31h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$213
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:53 pm -
2 stops13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$214
This Viajes Falabella 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 Viajes Falabella is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:15 pm -
2 stops26h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![LATAM Airlines logo]()
$216
This United deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:25 pm -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$219
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.
Thu 11/195:55 am -
2 stops16h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$223
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 pm -
2 stops29h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$226
Find flight deals from Illinois to Cali
Keep the following information in mind while searching for Illinois to Cali flight deals. Data was last updated September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $431 (United Airlines) |
One-way from | $190 (United Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $446 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Cali 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 4, 2026.
Use the filters below to find and compare flights from Illinois to Cali that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Tue 9/22
8:50 am-5:33 pm
2 stops32h 43m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
Quickest round-trip
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Tue 11/17
5:30 am-5:32 pm
2 stops11h 02m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Fri 11/6
5:30 am-5:32 pm
2 stops11h 02m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Wed 11/18
10:32 am-7:15 am
2 stops19h 43m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Tue 10/6
7:30 am-10:15 pm
2 stops14h 45m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Wed 9/23
6:25 pm-10:20 am
2 stops15h 55m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$201
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Wed 11/18
8:40 pm-11:32 pm
2 stops25h 52m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$203
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Fri 9/11
10:25 am-5:33 pm
2 stops31h 08m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$213
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Tue 9/15
6:25 pm-10:20 am
2 stops15h 55m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$219
ChicagoCali
ORD Chicago O'Hare Intl - CLO Cali Alfonso B. Aragon Intl
ORDCLO
Chicago O'Hare Intl
Thu 9/10
6:10 pm-11:33 pm
2 stops29h 23m
Cali Alfonso B. Aragon Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$226
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Illinois to Cali
Have a flexible travel schedule? Discover the best time to fly to Cali from Illinois with our price prediction graph.
ORD-CLO
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 Cali
USIL-CLO
ORD-CLO
What is the cheapest month to book a flight from Illinois to Cali?
Currently, February is the cheapest month in which you can book a flight from Illinois to Cali (average of $307). Flying from Illinois to Cali in December is currently the most expensive (average of $872). 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 Illinois to Cali?
Airfare is typical for this route at the moment.
Illinois to Cali flights typically cost between $350 and $525 in November.The cheapest round-trip price found within the last 5 days was $431 on United Airlines (Nov 5-Nov 12).
How far ahead should I book a flight from Illinois to Cali?
The best time to book flights from Illinois to Cali is 45 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Cali. 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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Alternative routes for Illinois to Cali
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Other flights to Cali
Explore flights to Cali departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
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Top 3 airlines flying from Illinois to Cali
Discover the top 3 airlines that operate flights from Illinois to Cali. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$281 | Average$445 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$348 | Average$671 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$375 | Average$525 | FlexibilityNo cancel fee | On-time71% |