$123+ Cheap flights from Irvine, CA to Chicago (CHI)
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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to Chicago 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.Cheapflights Tip: The best prices from Irvine to Chicago are usually found in September or August, booked 75 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Irvine to Chicago
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Best
Last-minute
One-way
Cheapest flights from Irvine to ChicagoExplore the most affordable flight options available from Irvine to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
Explore the most affordable flight options available from Irvine to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
This Super.com deal was found by Cheapflights users on 6/25. 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 8/911:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 8/129:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/25![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/2112:07 pm
LAX
- ORD
1 stop15h 30m
Frontier
Sat 8/19:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/27![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Mon 8/179:57 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 6/24![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 8/129:57 pm
ORD
- LAX
1 stop12h 33m
Frontier
Deal found 6/25![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/2310:27 pm
LAX
- RFD
1 stop20h 12m
Multiple Airlines
Wed 9/302:07 pm
RFD
- LAX
1 stop27h 08m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$234
This Frontier deal was found by Cheapflights users on 6/25. 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 8/411:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/69:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/25![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 6/27. 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.
Fri 8/711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/159:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/27![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/1811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 7/219:57 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 6/24![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/159:50 am
LAX
- ORD
1 stop9h 02m
Frontier
Wed 7/229:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/156:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Sat 7/189:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 6/27. 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 8/811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 8/119:20 am
ORD
- LAX
1 stop10h 10m
Frontier
Deal found 6/27![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 6/24. 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 9/1211:50 pm
LAX
- MDW
1 stop9h 08m
Frontier
Wed 9/167:25 am
MDW
- LAX
1 stop12h 17m
Frontier
Deal found 6/24![Frontier logo]()
$240
Best flights from Irvine to ChicagoDiscover carefully curated flight deals from Irvine to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
Discover carefully curated flight deals from Irvine to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 7/2912:07 pm
LAX
- RFD
1 stop22h 17m
Multiple Airlines
Mon 8/39:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 9/1612:45 pm
LAX
- ORD
Nonstop4h 20m
United Airlines
Wed 9/237:50 pm
ORD
- LAX
Nonstop4h 35m
United Airlines
Deal found 6/27![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 6/26. 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 8/2411:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 8/298:45 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 6/26![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 6/24. 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 8/85:46 pm
LAX
- ORD
Nonstop4h 02m
Delta
Sat 8/155:18 pm
ORD
- LAX
1 stop6h 57m
Delta
Deal found 6/24![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 8/156:27 pm
LAX
- ORD
1 stop8h 33m
Alaska Airlines
Wed 8/196:00 am
ORD
- LAX
1 stop10h 37m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$359
This KAYAK deal was found by Cheapflights users on 6/26. 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.
Fri 7/1711:48 pm
LAX
- ORD
1 stop6h 51m
American Airlines
Mon 7/2710:30 pm
ORD
- LAX
Nonstop4h 22m
American Airlines
Deal found 6/26![American Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/2310:27 pm
LAX
- RFD
1 stop20h 12m
Multiple Airlines
Sun 9/279:29 pm
RFD
- LAX
1 stop22h 30m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 6/26. 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 8/2611:55 am
LAX
- MDW
1 stop6h 15m
Southwest
Sat 8/2910:15 am
MDW
- LAX
1 stop7h 40m
Southwest
Deal found 6/26![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 6/23. 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 9/95:25 pm
LAX
- ORD
Nonstop4h 06m
Delta
Tue 9/152:05 pm
ORD
- LAX
1 stop6h 07m
Delta
Deal found 6/23![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 11/51:20 pm
LAX
- RFD
1 stop19h 13m
Multiple Airlines
Sun 11/88:37 pm
RFD
- LAX
1 stop13h 43m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 9/1112:45 pm
LAX
- ORD
Nonstop4h 20m
United Airlines
Mon 9/143:00 pm
ORD
- LAX
Nonstop4h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 6/25. 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 8/811:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 8/158:45 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 6/25![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 9/103:20 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Sun 9/133:00 pm
ORD
- LAX
Nonstop4h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/2912:07 pm
LAX
- RFD
1 stop22h 17m
Multiple Airlines
Sun 8/21:14 pm
RFD
- LAX
1 stop22h 11m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 6/23. 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 8/1911:29 am
LAX
- ORD
Nonstop4h 11m
Delta
Fri 8/212:00 pm
ORD
- LAX
1 stop6h 12m
Delta
Deal found 6/23![Delta logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 8/86:27 pm
LAX
- ORD
1 stop8h 33m
Alaska Airlines
Sat 8/158:02 am
ORD
- LAX
2 stops12h 04m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 6/27. 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.
Fri 10/911:55 pm
LAX
- MDW
Nonstop4h 05m
Southwest
Wed 10/144:45 pm
MDW
- LAX
1 stop5h 35m
Southwest
Deal found 6/27![Southwest logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/276:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/309:35 pm
RFD
- LAX
1 stop27h 04m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/26. 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 7/1312:30 am
LAX
- MDW
1 stop6h 07m
Delta
Wed 7/226:00 am
MDW
- LAX
1 stop7h 55m
Delta
Deal found 6/26![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 6/25. 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 8/34:55 pm
LAX
- MDW
1 stop5h 40m
Southwest
Tue 8/48:00 am
MDW
- LAX
1 stop7h 05m
Southwest
Deal found 6/25![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/107:00 am
LAX
- ORD
1 stop20h 00m
Alaska Airlines
Thu 8/206:01 am
ORD
- LAX
2 stops13h 21m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/2211:20 pm
LAX
- RFD
2 stops13h 49m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 6/25. 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 9/178:40 pm
LAX
- MDW
1 stop7h 00m
Southwest
Tue 9/226:40 am
MDW
- LAX
2 stops7h 55m
Southwest
Deal found 6/25![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 6/25. 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 8/305:46 pm
LAX
- ORD
Nonstop4h 02m
Delta
Mon 9/77:29 am
ORD
- LAX
Nonstop4h 26m
Delta
Deal found 6/25![Delta logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 10/111:47 am
LAX
- RFD
1 stop6h 26m
Multiple Airlines
Sun 10/49:36 pm
RFD
- LAX
1 stop12h 44m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 6/23. 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 8/412:10 pm
LAX
- MDW
1 stop6h 35m
Southwest
Sun 8/168:45 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 6/23![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 6/27. 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 7/299:15 am
LAX
- MDW
1 stop7h 00m
Southwest
Mon 8/37:50 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 6/27![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 6/24. 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.
Fri 7/2411:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Fri 7/316:00 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 6/24![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 6/27. 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.
Sat 7/258:30 pm
LAX
- MDW
1 stop6h 30m
Southwest
Sat 8/15:25 am
MDW
- LAX
2 stops7h 50m
Southwest
Deal found 6/27![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 6/25. 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 7/1811:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 7/258:35 pm
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 6/25![Southwest logo]()
$413
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated June 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/159:50 am
LAX
- ORD
1 stop9h 02m
Frontier
Wed 7/229:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/156:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Sat 7/189:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/1811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 7/219:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$235
This eDestinos deal was found by Cheapflights users on 6/23. 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 7/186:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Sat 7/259:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/23![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/2112:07 pm
LAX
- ORD
1 stop15h 30m
Frontier
Sat 8/19:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/27![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/2112:07 pm
LAX
- ORD
1 stop15h 30m
Frontier
Wed 7/299:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/24![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 7/2212:07 pm
LAX
- ORD
1 stop15h 30m
Frontier
Wed 7/299:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/27![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sat 7/2511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 7/297:15 am
ORD
- LAX
1 stop14h 48m
Frontier
Deal found 6/27![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/2611:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/19:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/26![Frontier logo]()
$232
This Super.com deal was found by Cheapflights users on 6/24. 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 7/2611:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 7/299:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/24![Frontier logo]()
$242
This Super.com deal was found by Cheapflights users on 6/24. 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 7/2811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Fri 7/319:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/24![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 6/26. 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.
Wed 7/2911:34 pm
LAX
- MDW
1 stop9h 33m
Frontier
Tue 8/46:05 am
MDW
- LAX
1 stop12h 49m
Frontier
Deal found 6/26![Frontier logo]()
$252
One-way flights from Irvine to ChicagoSearch for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/611:34 pm
LAX
- MDW
1 stop8h 17m
Frontier
Deal found 6/25![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 6/26. 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/26![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 6/24. 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 9/2311:50 pm
LAX
- MDW
1 stop9h 08m
Frontier
Deal found 6/24![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 6/27. 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.
Wed 8/56:30 am
LAX
- ORD
1 stop21h 07m
Frontier
Deal found 6/27![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:34 pm
LAX
- MDW
1 stop8h 17m
Frontier
Deal found 6/27![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/87:15 am
LAX
- RFD
2 stops28h 04m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$125
This Priceline deal was found by Cheapflights users on 6/25. 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.
Mon 8/3111:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/25![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/24. 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.
Sun 8/2311:34 pm
LAX
- MDW
1 stop9h 21m
Frontier
Deal found 6/24![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/2912:07 pm
LAX
- RFD
1 stop22h 17m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/2711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/25![Frontier logo]()
$127
This Kissandfly.com deal was found by Cheapflights users on 6/24. 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.
Tue 8/1111:34 pm
LAX
- MDW
1 stop8h 17m
Frontier
Deal found 6/24![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/249:09 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 6/24![Frontier logo]()
$128
Find flight deals from Irvine to Chicago
Keep the following information in mind while searching for Irvine to Chicago flight deals. Data was last updated June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Super.com) |
One-way from | $123 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $419 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to Chicago 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 June 28, 2026.
Use the filters below to find and compare flights from Irvine to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles Los Angeles
Wed 7/29
12:07 pm-12:24 pm
1 stop22h 17m
Chicago Greater Rockford
Mon 8/3
9:13 pm-1:01 pm
1 stop17h 48m
$256
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Wed 9/16
12:45 pm-7:05 pm
Nonstop4h 20m
Chicago O'Hare Intl
Wed 9/23
7:50 pm-10:25 pm
Nonstop4h 35m
$277
Quickest round-trip
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Mon 8/24
11:55 pm-5:55 am
Nonstop4h 00m
Chicago Midway
Sat 8/29
8:45 pm-11:05 pm
Nonstop4h 20m
$279
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles Los Angeles
Wed 9/23
10:27 pm-8:39 pm
1 stop20h 12m
Chicago Greater Rockford
Sun 9/27
9:29 pm-5:59 pm
1 stop22h 30m
$283
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles Los Angeles
Thu 11/5
1:20 pm-10:33 am
1 stop19h 13m
Chicago Greater Rockford
Sun 11/8
8:37 pm-8:20 am
1 stop13h 43m
$290
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Wed 8/26
11:55 am-8:10 pm
1 stop6h 15m
Chicago Midway
Sat 8/29
10:15 am-3:55 pm
1 stop7h 40m
$297
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Sat 8/8
5:46 pm-11:48 pm
Nonstop4h 02m
Chicago O'Hare Intl
Sat 8/15
5:18 pm-10:15 pm
1 stop6h 57m
$303
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Wed 9/9
5:25 pm-11:31 pm
Nonstop4h 06m
Chicago O'Hare Intl
Tue 9/15
2:05 pm-6:12 pm
1 stop6h 07m
$305
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles Los Angeles
Wed 7/29
12:07 pm-12:24 pm
1 stop22h 17m
Chicago Greater Rockford
Sun 8/2
1:14 pm-9:25 am
1 stop22h 11m
$310
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Sat 8/8
11:55 pm-5:55 am
Nonstop4h 00m
Chicago Midway
Sat 8/15
8:45 pm-11:05 pm
Nonstop4h 20m
$316
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Irvine to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Irvine with our price prediction graph.
LAX-MDW
LAX-ORD
LAX-RFD
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 Irvine to Chicago
IR9-CHI
LAX-MDW
LAX-ORD
LAX-RFD
What is the cheapest time of day to fly from IR9 to CHI?
Find hourly flight availability from Irvine to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 28, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Irvine to Chicago by exploring options for tickets in the afternoon.
Weekly flight availability from Irvine to Chicago
Explore weekly flight availability from Irvine to Chicago. 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 June 28, 2026.
The most flights from IR9 to CHI are scheduled on a Friday (129 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (43 on average).
How much does it cost to fly round-trip from Irvine to Chicago?
What is the cheapest day to fly from Irvine to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Chicago. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their Irvine to Chicago flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 28, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Irvine to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Irvine to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Hammond
Lansing
Merrillville
Valparaiso
Porter
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Irvine to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 28, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Chicago by cabin class
Find flights from Irvine to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Chicago flights
Browse other Irvine and Chicago flight options. Last updated on June 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Irvine to Chicago flights
Consider these flights traveling from Irvine to Chicago.
Top 7 airlines flying from Irvine to Chicago
Discover the top 7 airlines that operate flights from Irvine to Chicago. 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 June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$421 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$203 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$484 | FlexibilityNo cancel fee | On-time75% |