$59+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Jun 1 — Jun 81
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 May 2, 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 May 2, 2026.
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:59 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Mon 6/89:04 pm
ORD
- LAX
Nonstop4h 40m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3112:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Fri 6/127:20 am
ORD
- LAX
1 stop9h 47m
Frontier
Deal found 5/1![Frontier logo]()
$188
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sat 5/236:30 am
LAX
- ORD
1 stop12h 02m
Frontier
Fri 5/298:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/29![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2612:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 6/39:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/30![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1812:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Sat 5/238:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/28![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/28. 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 5/1812:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Sun 5/248:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/28![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sat 5/3012:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 6/39:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/27![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Tue 6/237:20 am
ORD
- LAX
1 stop13h 40m
Frontier
Deal found 5/2![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1912:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 5/279:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/30![Frontier logo]()
$197
This Expedia deal was found by Cheapflights users on 4/28. 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.
Tue 5/125:45 am
LAX
- MDW
1 stop6h 27m
Frontier
Wed 5/133:07 pm
MDW
- LAX
1 stop7h 59m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Mon 5/1111:20 pm
LAX
- MDW
1 stop9h 49m
Frontier
Wed 5/133:07 pm
MDW
- LAX
1 stop7h 59m
Frontier
Deal found 4/27![Frontier logo]()
$208
This Southwest deal was found by Cheapflights users on 4/27. 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 8/198:15 am
LAX
- MDW
1 stop5h 10m
Southwest
Tue 8/2510:15 am
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 4/27![Southwest logo]()
$209
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 May 2, 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 May 2, 2026.
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:30 am
LAX
- ORD
1 stop7h 50m
Delta
Tue 6/96:30 pm
ORD
- LAX
Nonstop4h 45m
Delta
Deal found 5/1![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/1811:50 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Wed 5/208:45 am
ORD
- LAX
Nonstop4h 40m
United Airlines
Deal found 4/27![United Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/2110:05 pm
LAX
- RFD
1 stop20h 18m
Multiple Airlines
Sat 5/231:01 pm
RFD
- LAX
1 stop10h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Tue 6/26:10 am
MDW
- LAX
1 stop5h 50m
Southwest
Deal found 5/1![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/2912:56 am
LAX
- PIA
1 stop6h 27m
American Airlines
Mon 6/14:46 pm
PIA
- LAX
1 stop7h 30m
American Airlines
Deal found 4/30![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:16 pm
LAX
- ORD
1 stop6h 34m
Delta
Tue 6/26:20 pm
ORD
- LAX
1 stop7h 35m
Delta
Deal found 5/1![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/28. 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 6/1711:48 am
LAX
- ORD
1 stop8h 09m
Delta
Sat 7/49:48 am
ORD
- LAX
1 stop8h 28m
Delta
Deal found 4/28![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/1910:05 pm
LAX
- RFD
1 stop20h 00m
Multiple Airlines
Sat 5/301:01 pm
RFD
- LAX
1 stop10h 09m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/1711:30 pm
LAX
- ORD
Nonstop4h 16m
United Airlines
Sun 6/216:10 pm
ORD
- LAX
Nonstop4h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 5/2312:10 pm
LAX
- MDW
1 stop6h 59m
Delta
Sat 5/301:22 pm
MDW
- LAX
1 stop6h 43m
Delta
Deal found 4/27![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 4/30. 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 8/256:45 am
LAX
- MDW
2 stops7h 15m
Southwest
Mon 8/314:00 pm
MDW
- LAX
1 stop6h 50m
Southwest
Deal found 4/30![Southwest logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:05 pm
LAX
- RFD
1 stop20h 15m
Multiple Airlines
Mon 6/89:10 pm
RFD
- LAX
1 stop17h 55m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/305:00 pm
LAX
- ORD
Nonstop4h 15m
United Airlines
Tue 6/26:00 am
ORD
- LAX
Nonstop4h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/296:00 am
LAX
- CMI
1 stop6h 15m
American Airlines
Mon 6/16:43 pm
CMI
- LAX
1 stop6h 38m
American Airlines
Deal found 4/29![American Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/410:05 pm
LAX
- RFD
1 stop20h 15m
Multiple Airlines
Sun 6/141:13 pm
RFD
- LAX
1 stop11h 23m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/210:35 pm
LAX
- ORD
Nonstop4h 16m
United Airlines
Sat 6/66:10 pm
ORD
- LAX
Nonstop4h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
LAX
- CMI
1 stop6h 15m
American Airlines
Thu 6/46:43 pm
CMI
- LAX
1 stop8h 16m
American Airlines
Deal found 4/28![American Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 4/27. 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.
Sun 5/247:35 am
LAX
- MDW
2 stops7h 20m
Southwest
Sat 5/306:00 am
MDW
- LAX
2 stops8h 10m
Southwest
Deal found 4/27![Southwest logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/2110:05 pm
LAX
- RFD
1 stop20h 18m
Multiple Airlines
Mon 5/259:13 pm
RFD
- LAX
1 stop25h 57m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/271:58 pm
LAX
- CMI
1 stop6h 03m
American Airlines
Wed 6/36:39 pm
CMI
- LAX
1 stop8h 17m
American Airlines
Deal found 4/27![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/292:41 pm
LAX
- ORD
Nonstop4h 09m
United Airlines
Sun 5/313:47 pm
ORD
- LAX
Nonstop4h 33m
United Airlines
Deal found 5/1![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 4/29. 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 9/299:50 am
LAX
- ORD
1 stop6h 11m
Delta
Sat 10/103:50 pm
ORD
- LAX
1 stop6h 15m
Delta
Deal found 4/29![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 4/28. 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.
Thu 5/2811:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Sun 5/316:55 am
MDW
- LAX
1 stop6h 30m
Southwest
Deal found 4/28![Southwest logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:21 pm
LAX
- RFD
1 stop32h 00m
Multiple Airlines
Fri 6/199:10 pm
RFD
- LAX
1 stop17h 55m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/212:13 am
LAX
- PIA
1 stop7h 57m
United Airlines
Wed 6/105:33 pm
PIA
- LAX
1 stop7h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/30. 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 6/31:45 pm
LAX
- STL
1 stop5h 30m
Southwest
Mon 6/89:55 pm
STL
- LAX
Nonstop3h 50m
Southwest
Deal found 4/30![Southwest logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1210:05 pm
LAX
- RFD
1 stop13h 56m
Multiple Airlines
Fri 5/158:35 pm
RFD
- LAX
1 stop26h 35m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/36:00 am
LAX
- EVV
1 stop8h 10m
American Airlines
Sat 7/47:03 am
EVV
- LAX
1 stop9h 18m
American Airlines
Deal found 4/27![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/2512:13 am
LAX
- PIA
1 stop7h 57m
United Airlines
Tue 6/22:39 pm
PIA
- LAX
1 stop6h 37m
United Airlines
Deal found 4/28![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/29. 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 5/196:00 am
LAX
- MLI
1 stop8h 37m
Delta
Sat 5/305:17 pm
MLI
- LAX
1 stop9h 24m
Delta
Deal found 4/29![Delta logo]()
$384
Last-minute flights from Los Angeles to IllinoisDiscover last-minute flight deals from Los Angeles to Illinois. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Illinois. Data last updated May 2, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Mon 5/1111:20 pm
LAX
- MDW
1 stop9h 49m
Frontier
Wed 5/133:07 pm
MDW
- LAX
1 stop7h 59m
Frontier
Deal found 4/27![Frontier logo]()
$208
This Expedia deal was found by Cheapflights users on 4/28. 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.
Tue 5/125:45 am
LAX
- MDW
1 stop6h 27m
Frontier
Wed 5/133:07 pm
MDW
- LAX
1 stop7h 59m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Super.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1812:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Sat 5/238:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/28![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/28. 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 5/1812:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Sun 5/248:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/28![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1912:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 5/279:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/30![Frontier logo]()
$197
This Kissandfly.com deal was found by Cheapflights users on 4/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:50 pm
LAX
- ORD
Nonstop4h 09m
Frontier
Fri 5/298:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/29![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Tue 6/237:20 am
ORD
- LAX
1 stop13h 40m
Frontier
Deal found 5/2![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2612:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 6/39:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/30![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sat 5/3012:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 6/39:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/27![Frontier logo]()
$195
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:59 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Mon 6/89:04 pm
ORD
- LAX
Nonstop4h 40m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3112:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Fri 6/127:20 am
ORD
- LAX
1 stop9h 47m
Frontier
Deal found 5/1![Frontier logo]()
$188
This Southwest deal was found by Cheapflights users on 4/29. 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 6/35:15 am
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 6/96:40 pm
MDW
- LAX
1 stop6h 20m
Southwest
Deal found 4/29![Southwest logo]()
$209
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 May 2, 2026.
Search for one-way flight options from Los Angeles to Illinois. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/276:30 am
LAX
- STL
1 stop10h 53m
Frontier
Deal found 4/29![Frontier logo]()
$59
This Trip.com deal was found by Cheapflights users on 4/29. 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 6/239:43 am
LAX
- STL
1 stop7h 40m
Frontier
Deal found 4/29![Frontier logo]()
$60
This Super.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/245:45 am
LAX
- STL
1 stop6h 46m
Frontier
Deal found 4/30![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 4/28. 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 5/1912:08 pm
LAX
- STL
1 stop27h 58m
Frontier
Deal found 4/28![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Sat 5/234:31 pm
LAX
- STL
1 stop24h 52m
Frontier
Deal found 4/28![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/269:40 am
LAX
- STL
1 stop7h 43m
Frontier
Deal found 4/30![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 4/28. 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.
Sun 5/1712:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Deal found 4/28![Frontier logo]()
$99
This Southwest deal was found by Cheapflights users on 4/27. 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 6/175:00 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Deal found 4/27![Southwest logo]()
$100
This American Airlines deal was found by Cheapflights users on 4/30. 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 8/2611:20 am
LAX
- ORD
Nonstop4h 27m
American Airlines
Deal found 4/30![American Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/1411:59 pm
LAX
- ORD
Nonstop4h 20m
Frontier
Deal found 4/28![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Sat 7/1111:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 4/28![Frontier logo]()
$102
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Wed 6/36:30 am
LAX
- STL
1 stop10h 53m
Frontier
Deal found 4/30![Frontier logo]()
$102
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 May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Gotogate) |
One-way from | $59 (Trip.com) |
Popular in | February |
Cheapest in | September |
Average price | $279 |
Good round-trip deal | $322 or less |
Good one-way deal | $176 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 May 2, 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 - ORD
LAXORD
Los Angeles
Wed 6/3
11:30 am-9:20 pm
1 stop7h 50m
Chicago O'Hare Intl
Tue 6/9
6:30 pm-9:15 pm
Nonstop4h 45m
$227
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sun 5/24
1:16 pm-9:50 pm
1 stop6h 34m
Chicago O'Hare Intl
Tue 6/2
6:20 pm-11:55 pm
1 stop7h 35m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 6/17
11:48 am-9:57 pm
1 stop8h 09m
Chicago O'Hare Intl
Sat 7/4
9:48 am-4:16 pm
1 stop8h 28m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 5/23
12:10 pm-9:09 pm
1 stop6h 59m
Chicago Midway
Sat 5/30
1:22 pm-6:05 pm
1 stop6h 43m
$261
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 5/18
11:50 pm-6:00 am
Nonstop4h 10m
Chicago O'Hare Intl
Wed 5/20
8:45 am-11:25 am
Nonstop4h 40m
$270
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 5/21
10:05 pm-8:23 pm
1 stop20h 18m
Chicago Greater Rockford
Sat 5/23
1:01 pm-9:10 pm
1 stop10h 09m
$289
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 5/25
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Tue 6/2
6:10 am-10:00 am
1 stop5h 50m
$296
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Tue 5/19
10:05 pm-8:05 pm
1 stop20h 00m
Chicago Greater Rockford
Sat 5/30
1:01 pm-9:10 pm
1 stop10h 09m
$300
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 6/17
11:30 pm-5:46 am
Nonstop4h 16m
Chicago O'Hare Intl
Sun 6/21
6:10 pm-8:40 pm
Nonstop4h 30m
$308
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 6/4
10:05 pm-8:20 pm
1 stop20h 15m
Chicago Greater Rockford
Mon 6/8
9:10 pm-1:05 pm
1 stop17h 55m
$316
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-ORD
LAX-MDW
LAX-PIA
LAX-RFD
LAX-EVV
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-ORD
LAX-MDW
LAX-PIA
LAX-RFD
How far ahead should I book a flight from Los Angeles to Illinois?
The price you pay for your flight from Los Angeles to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Los Angeles to Illinois?
Currently, September is the cheapest month in which you can book a flight from Los Angeles to Illinois (average of $272). Flying from Los Angeles to Illinois in January is currently the most expensive (average of $526). 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 May 2, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 18% 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 April 25, 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 May 2, 2026.
The most flights from LAX to USIL are scheduled on a Friday (122 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (80 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 May 2, 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
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
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 May 2, 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 May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$207 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$361 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$201 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$426 | FlexibilityNo cancel fee | On-time75% |