$136+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Aug 30 — Sep 61
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 42 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Irvine to Chicago
Cheapest
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 July 31, 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 July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 8/2511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Fri 8/282:41 pm
ORD
- LAX
1 stop19h 49m
Frontier
Deal found 7/26![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:34 pm
LAX
- MDW
1 stop9h 21m
Frontier
Mon 8/319:26 pm
MDW
- LAX
2 stops26h 28m
Frontier
Deal found 7/31![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/1811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/207:05 am
ORD
- LAX
2 stops19h 06m
Frontier
Deal found 7/30![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:55 am
LAX
- ORD
1 stop10h 07m
Frontier
Mon 8/249:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/27![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:49 am
LAX
- MDW
1 stop8h 42m
Frontier
Wed 9/26:05 am
MDW
- LAX
1 stop12h 49m
Frontier
Deal found 7/31![Frontier logo]()
$233
This Kissandfly.com deal was found by Cheapflights users on 7/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:14 pm
LAX
- ORD
Nonstop4h 15m
Frontier
Tue 9/89:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/26![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 7/27. 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 8/2811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/29:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/27![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/276:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/309:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$235
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:59 am
LAX
- MDW
1 stop9h 00m
Frontier
Tue 9/156:25 am
MDW
- LAX
1 stop13h 17m
Frontier
Deal found 7/31![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/206:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/179:09 pm
LAX
- ORD
2 stops14h 27m
Frontier
Thu 8/202:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/27![Frontier logo]()
$236
This Super.com deal was found by Cheapflights users on 7/30. 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.
Mon 8/1711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/229:20 am
ORD
- LAX
1 stop10h 10m
Frontier
Deal found 7/30![Frontier logo]()
$237
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 July 31, 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 July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/98:15 am
LAX
- ORD
Nonstop4h 21m
United Airlines
Mon 9/141:58 pm
ORD
- LAX
Nonstop4h 32m
United Airlines
Deal found 7/28![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 10/167:35 am
LAX
- ORD
Nonstop4h 03m
Delta
Tue 10/202:45 pm
ORD
- LAX
Nonstop4h 31m
Delta
Deal found 7/29![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sat 9/511:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 9/156:00 pm
MDW
- LAX
1 stop6h 25m
Southwest
Deal found 7/28![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:45 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Wed 10/72:00 pm
ORD
- LAX
Nonstop4h 32m
United Airlines
Deal found 7/26![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 9/185:25 pm
LAX
- ORD
Nonstop4h 06m
Delta
Sun 9/207:07 am
ORD
- LAX
Nonstop4h 28m
Delta
Deal found 7/29![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/30. 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 9/111:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 9/58:45 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 7/30![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/2411:30 am
LAX
- RFD
1 stop7h 09m
Multiple Airlines
Mon 9/288:44 pm
RFD
- LAX
2 stops21h 39m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 9/215:25 pm
LAX
- ORD
Nonstop4h 06m
Delta
Wed 9/235:10 pm
ORD
- LAX
1 stop7h 00m
Delta
Deal found 7/29![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/2411:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Wed 9/28:45 pm
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 7/28![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/2411:30 am
LAX
- RFD
1 stop7h 09m
Multiple Airlines
Sun 9/279:29 pm
RFD
- LAX
2 stops26h 53m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:25 pm
LAX
- ORD
Nonstop4h 06m
Delta
Mon 9/215:10 pm
ORD
- LAX
1 stop7h 00m
Delta
Deal found 7/31![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/29. 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.
Tue 10/1311:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Sat 10/177:45 pm
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 7/29![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 7/26. 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 10/511:15 am
LAX
- ORD
Nonstop4h 08m
Delta
Thu 10/85:29 pm
ORD
- LAX
1 stop7h 05m
Delta
Deal found 7/26![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 9/2411:30 am
LAX
- RFD
1 stop7h 09m
Multiple Airlines
Thu 10/19:03 pm
RFD
- LAX
1 stop12h 44m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Wed 9/210:15 am
MDW
- LAX
Nonstop4h 20m
Southwest
Deal found 7/31![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 7/28. 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 9/167:40 am
LAX
- ORD
Nonstop4h 04m
Delta
Fri 10/27:40 pm
ORD
- LAX
1 stop6h 15m
Delta
Deal found 7/28![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:30 am
LAX
- RFD
1 stop7h 09m
Multiple Airlines
Sun 9/209:29 pm
RFD
- LAX
1 stop12h 18m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 7/27. 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 10/310:45 pm
LAX
- ORD
1 stop7h 11m
Delta
Tue 10/62:45 pm
ORD
- LAX
Nonstop4h 31m
Delta
Deal found 7/27![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/26. 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.
Thu 8/2711:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Mon 8/315:50 pm
MDW
- LAX
1 stop7h 10m
Southwest
Deal found 7/26![Southwest logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/111:30 am
LAX
- RFD
1 stop6h 43m
Multiple Airlines
Sun 10/49:36 pm
RFD
- LAX
1 stop12h 11m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 7/27. 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.
Tue 10/278:20 pm
LAX
- MDW
1 stop6h 40m
Southwest
Sat 10/315:30 am
MDW
- LAX
2 stops8h 15m
Southwest
Deal found 7/27![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 9/1110:55 pm
LAX
- ORD
1 stop8h 30m
Delta
Mon 9/145:44 pm
ORD
- LAX
1 stop8h 40m
Delta
Deal found 7/28![Delta logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/1911:20 pm
LAX
- RFD
2 stops13h 49m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sun 9/1311:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Mon 9/147:00 am
MDW
- LAX
Nonstop4h 15m
Southwest
Deal found 7/30![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 8/245:46 pm
LAX
- ORD
Nonstop4h 02m
Delta
Wed 9/26:25 pm
ORD
- LAX
1 stop8h 16m
Delta
Deal found 7/27![Delta logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/276:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/309:35 pm
RFD
- LAX
2 stops12h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 7/26. 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 8/198:25 am
LAX
- MDW
2 stops6h 45m
Southwest
Sat 8/225:40 am
MDW
- LAX
1 stop7h 50m
Southwest
Deal found 7/26![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/2110:27 pm
LAX
- RFD
1 stop19h 03m
Multiple Airlines
Sun 10/258:53 pm
RFD
- LAX
1 stop13h 27m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/2712:07 pm
LAX
- RFD
1 stop6h 38m
Multiple Airlines
Thu 9/39:29 pm
RFD
- LAX
1 stop14h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$318
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated July 31, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/30. 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.
Mon 8/1711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Fri 8/219:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/30![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/179:09 pm
LAX
- ORD
2 stops14h 27m
Frontier
Thu 8/202:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/27![Frontier logo]()
$236
This Super.com deal was found by Cheapflights users on 7/30. 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.
Mon 8/1711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/229:20 am
ORD
- LAX
1 stop10h 10m
Frontier
Deal found 7/30![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/1811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/207:05 am
ORD
- LAX
2 stops19h 06m
Frontier
Deal found 7/30![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:55 am
LAX
- ORD
1 stop10h 07m
Frontier
Mon 8/249:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/27![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/206:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$236
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:49 am
LAX
- MDW
1 stop8h 42m
Frontier
Wed 9/26:05 am
MDW
- LAX
1 stop12h 49m
Frontier
Deal found 7/31![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 8/2511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Fri 8/282:41 pm
ORD
- LAX
1 stop19h 49m
Frontier
Deal found 7/26![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:34 pm
LAX
- MDW
1 stop9h 21m
Frontier
Mon 8/319:26 pm
MDW
- LAX
2 stops26h 28m
Frontier
Deal found 7/31![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/276:55 am
LAX
- RFD
1 stop11h 50m
Multiple Airlines
Sun 8/309:35 pm
RFD
- LAX
1 stop13h 54m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/2711:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Mon 8/312:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/26![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 7/30. 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.
Fri 8/2811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/29:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/30![Frontier logo]()
$234
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 July 31, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:22 pm
LAX
- RFD
2 stops36h 57m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:04 pm
LAX
- MDW
2 stops17h 42m
Frontier
Deal found 7/31![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
2 stops16h 50m
Frontier
Deal found 7/31![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/2410:22 pm
LAX
- RFD
2 stops37h 01m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/179:09 pm
LAX
- ORD
2 stops14h 27m
Frontier
Deal found 7/28![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 8/299:09 pm
LAX
- RFD
2 stops37h 44m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$138
This Super.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/266:25 pm
LAX
- ORD
1 stop28h 24m
Frontier
Deal found 7/30![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 7/29. 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 8/262:05 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Deal found 7/29![Southwest logo]()
$139
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/203:20 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Deal found 7/30![United Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/206:55 am
LAX
- MDW
2 stops11h 36m
Frontier
Deal found 7/30![Frontier logo]()
$140
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 7/27![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:04 pm
LAX
- MDW
2 stops17h 47m
Frontier
Deal found 7/31![Frontier logo]()
$141
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 July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Kiwi.com) |
One-way from | $136 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $412 |
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 July 31, 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
Thu 8/20
6:55 am-8:45 pm
1 stop11h 50m
Chicago Greater Rockford
Sun 8/23
9:35 pm-9:29 am
1 stop13h 54m
$238
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 9/9
8:15 am-2:36 pm
Nonstop4h 21m
Chicago O'Hare Intl
Mon 9/14
1:58 pm-4:30 pm
Nonstop4h 32m
$247
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 10/16
7:35 am-1:38 pm
Nonstop4h 03m
Chicago O'Hare Intl
Tue 10/20
2:45 pm-5:16 pm
Nonstop4h 31m
$247
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 10/5
4:45 pm-10:55 pm
Nonstop4h 10m
Chicago O'Hare Intl
Wed 10/7
2:00 pm-4:32 pm
Nonstop4h 32m
$247
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 9/18
5:25 pm-11:31 pm
Nonstop4h 06m
Chicago O'Hare Intl
Sun 9/20
7:07 am-9:35 am
Nonstop4h 28m
$247
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 9/5
11:55 pm-5:55 am
Nonstop4h 00m
Chicago Midway
Tue 9/15
6:00 pm-10:25 pm
1 stop6h 25m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 9/21
5:25 pm-11:31 pm
Nonstop4h 06m
Chicago O'Hare Intl
Wed 9/23
5:10 pm-10:10 pm
1 stop7h 00m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 9/14
5:25 pm-11:31 pm
Nonstop4h 06m
Chicago O'Hare Intl
Mon 9/21
5:10 pm-10:10 pm
1 stop7h 00m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 10/5
11:15 am-5:23 pm
Nonstop4h 08m
Chicago O'Hare Intl
Thu 10/8
5:29 pm-10:34 pm
1 stop7h 05m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 9/16
7:40 am-1:44 pm
Nonstop4h 04m
Chicago O'Hare Intl
Fri 10/2
7:40 pm-11:55 pm
1 stop6h 15m
$257
Showing 1-10 of 60 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-ORD
LAX-MDW
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-ORD
LAX-MDW
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 July 31, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 17% 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 July 31, 2026.
The most flights from IR9 to CHI are scheduled on a Thursday (139 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (76 on average).
How much does it cost to fly round-trip from Irvine to Chicago?
Airfare is typical for this route at the moment.
Irvine to Chicago flights typically cost between $224 and $408 in August.The cheapest round-trip price found within the last 5 days was $230 on Frontier (Aug 25-Aug 28).
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 July 25, 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 mornings 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 July 31, 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.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
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
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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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 July 31, 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 July 31, 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 July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$194 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$509 | FlexibilityNo cancel fee | On-time75% |