$98+ Cheap flights from Los Angeles (LAX) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Los Angeles 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 Los Angeles to IllinoisExplore the most affordable flight options available from Los Angeles to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Los Angeles to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Thu 5/78:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/17![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2310:53 pm
LAX
- ORD
1 stop16h 07m
Multiple Airlines
Mon 4/275:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/211:59 pm
LAX
- ORD
Nonstop4h 21m
Multiple Airlines
Thu 5/76:05 pm
ORD
- LAX
1 stop6h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$179
This Frontier deal was found by Cheapflights users on 3/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Thu 4/305:20 am
ORD
- LAX
1 stop9h 10m
Frontier
Deal found 3/13![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2310:53 pm
LAX
- MDW
1 stop20h 57m
Frontier
Sun 4/266:20 am
MDW
- LAX
1 stop17h 44m
Frontier
Deal found 3/13![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1311:25 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Mon 4/205:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$181
This Frontier deal was found by Cheapflights users on 3/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Wed 5/68:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/13![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/235:25 pm
LAX
- ORD
1 stop10h 00m
Multiple Airlines
Fri 4/247:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1610:53 pm
LAX
- ORD
1 stop16h 07m
Frontier
Wed 4/2211:07 am
ORD
- LAX
1 stop12h 38m
Frontier
Deal found 3/13![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:25 pm
LAX
- ORD
1 stop10h 00m
Spirit Airlines
Sun 5/105:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$185
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:25 pm
LAX
- ORD
1 stop20h 48m
Multiple Airlines
Sun 4/195:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 5/1412:31 am
LAX
- ORD
Nonstop4h 08m
Multiple Airlines
Sun 5/172:39 pm
ORD
- LAX
Nonstop4h 27m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$187
Best flights from Los Angeles to IllinoisDiscover carefully curated flight deals from Los Angeles to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Los Angeles to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:00 am
LAX
- MDW
1 stop6h 30m
Southwest
Tue 5/58:55 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/13![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 4/1511:59 pm
LAX
- ORD
Nonstop4h 06m
United Airlines
Wed 4/229:35 pm
ORD
- LAX
Nonstop4h 39m
United Airlines
Deal found 3/16![United Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/14:07 pm
LAX
- MLI
1 stop17h 20m
Multiple Airlines
Sun 4/512:22 pm
MLI
- LAX
1 stop20h 59m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:54 pm
LAX
- ORD
1 stop9h 05m
Alaska Airlines
Tue 5/58:00 am
ORD
- LAX
1 stop9h 48m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:35 pm
LAX
- ORD
1 stop8h 26m
Delta
Wed 4/227:15 am
ORD
- LAX
1 stop9h 11m
Delta
Deal found 3/17![Delta logo]()
$297
This Spirit deal was found by Cheapflights users on 3/12. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:01 pm
LAX
- ORD
1 stop9h 24m
Spirit Airlines
Mon 6/156:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/12![Spirit Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 3/13. 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 5/612:40 am
LAX
- PIA
1 stop9h 02m
American Airlines
Tue 5/1212:12 pm
PIA
- LAX
1 stop9h 02m
American Airlines
Deal found 3/13![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:40 am
LAX
- MDW
Nonstop4h 00m
Southwest
Wed 5/64:45 pm
MDW
- LAX
1 stop5h 50m
Southwest
Deal found 3/15![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Fri 4/249:45 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/12![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/301:25 pm
LAX
- RFD
2 stops18h 29m
Multiple Airlines
Mon 5/48:35 pm
RFD
- LAX
1 stop26h 50m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:40 am
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 4/256:00 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/17![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/510:53 pm
LAX
- ORD
Nonstop4h 13m
United Airlines
Wed 5/68:40 am
ORD
- LAX
Nonstop4h 43m
United Airlines
Deal found 3/13![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Fri 4/179:45 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/13![Southwest logo]()
$257
This American Airlines deal was found by Cheapflights users on 3/13. 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 5/1912:50 pm
LAX
- PIA
2 stops8h 23m
American Airlines
Wed 5/2712:24 pm
PIA
- LAX
1 stop7h 20m
American Airlines
Deal found 3/13![American Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 6/119:49 pm
LAX
- RFD
1 stop20h 31m
Multiple Airlines
Mon 6/159:10 pm
RFD
- LAX
1 stop12h 22m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$344
This Spirit deal was found by Cheapflights users on 3/17. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 pm
LAX
- ORD
1 stop15h 45m
Spirit Airlines
Tue 4/214:03 pm
ORD
- LAX
1 stop8h 57m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:05 am
LAX
- ORD
2 stops9h 50m
Southwest
Tue 5/57:45 am
ORD
- LAX
1 stop7h 15m
Southwest
Deal found 3/13![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/111:50 pm
LAX
- MLI
1 stop8h 14m
United Airlines
Sat 5/302:31 pm
MLI
- LAX
1 stop6h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:03 pm
LAX
- STL
1 stop7h 56m
Alaska Airlines
Wed 4/157:00 am
STL
- LAX
1 stop16h 43m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:55 pm
LAX
- BMI
1 stop9h 25m
Delta
Tue 4/1412:02 pm
BMI
- LAX
1 stop7h 38m
Delta
Deal found 3/15![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:35 am
LAX
- ORD
2 stops10h 15m
Southwest
Wed 5/610:30 am
ORD
- LAX
1 stop7h 50m
Southwest
Deal found 3/14![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/129:49 pm
LAX
- RFD
1 stop12h 25m
Multiple Airlines
Fri 6/199:10 pm
RFD
- LAX
1 stop12h 22m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 4/811:59 pm
LAX
- PIA
1 stop8h 03m
United Airlines
Sat 4/117:43 pm
PIA
- LAX
1 stop6h 31m
United Airlines
Deal found 3/16![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/16. 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 4/291:38 pm
LAX
- EVV
1 stop7h 32m
American Airlines
Wed 5/64:03 pm
EVV
- LAX
1 stop8h 45m
American Airlines
Deal found 3/16![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:35 am
LAX
- ORD
1 stop6h 25m
Southwest
Sat 4/252:05 pm
ORD
- LAX
2 stops9h 25m
Southwest
Deal found 3/12![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:33 pm
LAX
- PIA
1 stop7h 24m
United Airlines
Sat 4/258:50 am
PIA
- LAX
1 stop8h 09m
United Airlines
Deal found 3/14![United Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/129:49 pm
LAX
- RFD
1 stop12h 25m
Multiple Airlines
Sun 6/141:13 pm
RFD
- LAX
1 stop8h 39m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:45 pm
LAX
- MDW
1 stop6h 00m
Southwest
Thu 4/238:35 am
MDW
- LAX
1 stop6h 00m
Southwest
Deal found 3/12![Southwest logo]()
$272
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:59 pm
LAX
- EVV
2 stops17h 07m
Breeze Airways
Wed 5/64:29 pm
EVV
- LAX
2 stops31h 21m
Breeze Airways
Deal found 3/14![Breeze Airways logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:13 am
LAX
- PIA
1 stop7h 57m
United Airlines
Sun 5/318:20 pm
PIA
- LAX
1 stop7h 10m
United Airlines
Deal found 3/15![United Airlines logo]()
$369
Last-minute flights from Los Angeles to IllinoisDiscover last-minute flight deals from Los Angeles to Illinois. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Illinois. Data last updated March 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1311:25 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Mon 4/205:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$181
This Priceline deal was found by Cheapflights users on 3/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Fri 4/177:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/15![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:35 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Wed 4/224:03 pm
ORD
- LAX
1 stop8h 57m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1611:35 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Mon 4/206:31 pm
ORD
- LAX
1 stop7h 53m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$182
This lastminute.com deal was found by Cheapflights users on 3/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:35 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Wed 4/227:30 am
ORD
- LAX
Nonstop4h 26m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$184
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:25 pm
LAX
- ORD
1 stop20h 48m
Multiple Airlines
Sun 4/195:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$186
This Frontier deal was found by Cheapflights users on 3/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Thu 4/305:20 am
ORD
- LAX
1 stop9h 10m
Frontier
Deal found 3/13![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Tue 4/215:30 am
LAX
- ORD
1 stop9h 41m
Multiple Airlines
Tue 4/217:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2310:53 pm
LAX
- ORD
1 stop16h 07m
Multiple Airlines
Mon 4/275:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2310:53 pm
LAX
- MDW
1 stop20h 57m
Frontier
Sun 4/266:20 am
MDW
- LAX
1 stop17h 44m
Frontier
Deal found 3/13![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/235:25 pm
LAX
- ORD
1 stop10h 00m
Multiple Airlines
Fri 4/247:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$183
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Thu 5/78:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/17![Frontier logo]()
$177
One-way flights from Los Angeles to IllinoisSearch for one-way flight options from Los Angeles to Illinois. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Los Angeles to Illinois. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Deal found 3/16![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:51 pm
LAX
- ORD
1 stop22h 45m
Frontier
Deal found 3/17![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/249:27 am
LAX
- MDW
1 stop10h 23m
Frontier
Deal found 3/13![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:30 am
LAX
- ORD
1 stop12h 07m
Frontier
Deal found 3/15![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:30 pm
LAX
- ORD
1 stop15h 45m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$101
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:45 am
LAX
- MDW
1 stop6h 27m
Frontier
Deal found 3/17![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 3/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:20 pm
LAX
- MDW
1 stop9h 49m
Frontier
Deal found 3/13![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:21 am
LAX
- ORD
1 stop16h 04m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$106
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:45 am
LAX
- MDW
1 stop6h 27m
Frontier
Deal found 3/14![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:25 pm
LAX
- ORD
1 stop10h 00m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$107
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:25 pm
LAX
- ORD
1 stop10h 00m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$108
This eDestinos deal was found by Cheapflights users on 3/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:15 am
LAX
- ORD
1 stop16h 23m
Frontier
Deal found 3/12![Frontier logo]()
$110
Find flight deals from Los Angeles to Illinois
Keep the following information in mind while searching for Los Angeles to Illinois flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Frontier) |
One-way from | $98 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $351 |
Good round-trip deal | $295 or less |
Good one-way deal | $181 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles 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 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Los Angeles to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Tue 4/28
5:00 am-1:30 pm
1 stop6h 30m
Chicago Midway
Tue 5/5
8:55 pm-11:20 pm
Nonstop4h 25m
$247
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Sat 5/2
5:40 am-11:40 am
Nonstop4h 00m
Chicago Midway
Wed 5/6
4:45 pm-8:35 pm
1 stop5h 50m
$247
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Wed 4/15
11:59 pm-6:05 am
Nonstop4h 06m
Chicago O'Hare Intl
Wed 4/22
9:35 pm-12:14 am
Nonstop4h 39m
$257
Quickest round-trip
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Tue 4/21
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Fri 4/24
9:45 pm-12:10 am
Nonstop4h 25m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Sat 4/18
5:40 am-11:40 am
Nonstop4h 00m
Chicago Midway
Sat 4/25
6:00 pm-8:25 pm
Nonstop4h 25m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Tue 4/14
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Fri 4/17
9:45 pm-12:10 am
Nonstop4h 25m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Tue 4/28
11:05 am-10:55 pm
2 stops9h 50m
Chicago O'Hare Intl
Tue 5/5
7:45 am-1:00 pm
1 stop7h 15m
$262
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Wed 4/29
6:35 am-6:50 pm
2 stops10h 15m
Chicago O'Hare Intl
Wed 5/6
10:30 am-4:20 pm
1 stop7h 50m
$262
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Tue 4/14
6:35 am-3:00 pm
1 stop6h 25m
Chicago O'Hare Intl
Sat 4/25
2:05 pm-9:30 pm
2 stops9h 25m
$262
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Wed 4/22
1:45 pm-9:45 pm
1 stop6h 00m
Chicago Midway
Thu 4/23
8:35 am-12:35 pm
1 stop6h 00m
$272
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Los Angeles to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Los Angeles with our price prediction graph.
LAX-MDW
LAX-RFD
LAX-ORD
LAX-CMI
LAX-STL
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 Los Angeles to Illinois
LAX-USIL
LAX-MDW
LAX-RFD
LAX-ORD
LAX-CMI
What is the cheapest month to book a flight from Los Angeles to Illinois?
Currently, May is the cheapest month in which you can book a flight from Los Angeles to Illinois (average of $109). Flying from Los Angeles to Illinois in February is currently the most expensive (average of $198). 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 LAX to IL?
Find hourly flight availability from Los Angeles 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 March 17, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from Los Angeles to Illinois by exploring options for tickets in the morning.
What is the cheapest day to fly from Los Angeles to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Illinois. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Los Angeles to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Los Angeles to Illinois
Explore weekly flight availability from Los Angeles 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 March 17, 2026.
The most flights from LAX to USIL are scheduled on a Friday (109 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (72 on average).
How much does it cost to fly round-trip from Los Angeles to Illinois?
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 March 17, 2026.
Read through reviews of airlines operating flights from Los Angeles to Illinois, such as Southwest,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Los Angeles 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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Alternative routes for Los Angeles 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 Los Angeles to Illinois by cabin class
Find flights from Los Angeles to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Los Angeles and Illinois flights
Browse other Los Angeles and Illinois flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Los Angeles to Illinois flights
Consider these flights traveling from Los Angeles to Illinois.
Top 8 airlines flying from Los Angeles to Illinois
Discover the top 8 airlines that operate flights from Los Angeles 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 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$106 | Average$206 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$363 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$195 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$202 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$426 | FlexibilityNo cancel fee | On-time75% |