$111+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Jul 10 — Jul 171
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 Thursday or Wednesday 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 June 10, 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 10, 2026.
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Mon 8/179:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/6![Frontier logo]()
$218
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/214:05 pm
LAX
- MDW
Nonstop3h 50m
Southwest
Sat 10/2410:25 am
MDW
- LAX
1 stop6h 40m
Southwest
Deal found 6/8![Southwest logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1111:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/259:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/8![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/2711:59 pm
LAX
- ORD
Nonstop4h 20m
Frontier
Mon 8/319:07 pm
ORD
- LAX
Nonstop4h 36m
Frontier
Deal found 6/5![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/61:56 pm
LAX
- RFD
1 stop28h 38m
Multiple Airlines
Mon 8/109:24 pm
RFD
- LAX
1 stop17h 37m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$222
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/1411:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/229:07 pm
ORD
- LAX
Nonstop4h 36m
Frontier
Deal found 6/7![Frontier logo]()
$222
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/226:45 am
LAX
- MDW
2 stops7h 15m
Southwest
Tue 10/63:30 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 6/9![Southwest logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/141:56 pm
LAX
- RFD
1 stop28h 03m
Multiple Airlines
Fri 7/179:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/97:45 am
LAX
- ORD
Nonstop4h 15m
Delta
Sat 9/125:00 pm
ORD
- LAX
1 stop6h 55m
Delta
Deal found 6/9![Delta logo]()
$223
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/245:15 pm
LAX
- MDW
Nonstop3h 50m
Southwest
Tue 9/296:40 am
MDW
- LAX
2 stops7h 55m
Southwest
Deal found 6/9![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/301:56 pm
LAX
- RFD
1 stop28h 27m
Multiple Airlines
Mon 8/39:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/2211:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/259:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/7![Frontier logo]()
$224
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/61:56 pm
LAX
- RFD
1 stop28h 38m
Multiple Airlines
Mon 8/109:24 pm
RFD
- LAX
1 stop17h 37m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/226:15 am
LAX
- ORD
1 stop8h 44m
Delta
Wed 7/296:55 am
ORD
- LAX
1 stop8h 00m
Delta
Deal found 6/5![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 12/32:10 pm
LAX
- MDW
1 stop6h 25m
Southwest
Mon 12/710:05 am
MDW
- LAX
2 stops7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/305:10 am
LAX
- ORD
Nonstop4h 17m
United Airlines
Wed 7/86:00 am
ORD
- LAX
Nonstop4h 29m
United Airlines
Deal found 6/9![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Wed 7/297:00 am
LAX
- ORD
1 stop20h 00m
Alaska Airlines
Fri 7/315:42 pm
ORD
- LAX
1 stop8h 23m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/141:56 pm
LAX
- RFD
1 stop28h 03m
Multiple Airlines
Fri 7/179:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/301:56 pm
LAX
- RFD
1 stop28h 27m
Multiple Airlines
Mon 8/39:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/77:15 am
LAX
- ORD
1 stop9h 04m
Delta
Tue 8/115:20 pm
ORD
- LAX
1 stop6h 55m
Delta
Deal found 6/9![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/47:15 am
LAX
- MDW
1 stop7h 55m
Southwest
Sat 7/115:10 am
MDW
- LAX
1 stop7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1012:30 am
LAX
- ORD
1 stop6h 05m
Delta
Wed 7/157:45 am
ORD
- LAX
1 stop6h 42m
Delta
Deal found 6/8![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/226:30 am
LAX
- RFD
1 stop27h 54m
Multiple Airlines
Mon 7/279:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/34:55 pm
LAX
- MDW
1 stop5h 40m
Southwest
Sat 7/410:20 am
MDW
- LAX
2 stops6h 55m
Southwest
Deal found 6/8![Southwest logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Fri 7/246:27 pm
LAX
- ORD
1 stop8h 33m
Alaska Airlines
Tue 7/286:00 am
ORD
- LAX
1 stop8h 56m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/711:59 pm
LAX
- ORD
1 stop6h 31m
Delta
Sat 8/155:18 pm
ORD
- LAX
1 stop6h 57m
Delta
Deal found 6/9![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/306:58 pm
LAX
- ORD
Nonstop4h 17m
United Airlines
Sat 7/46:59 am
ORD
- LAX
Nonstop4h 33m
United Airlines
Deal found 6/6![United Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 11/57:47 pm
LAX
- RFD
1 stop12h 46m
Multiple Airlines
Sun 11/88:37 pm
RFD
- LAX
1 stop13h 43m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 11/511:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Mon 11/97:25 am
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 6/5![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/281:10 pm
LAX
- ORD
1 stop6h 19m
Delta
Mon 8/107:44 pm
ORD
- LAX
1 stop6h 01m
Delta
Deal found 6/9![Delta logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/281:56 pm
LAX
- RFD
1 stop28h 03m
Multiple Airlines
Sun 8/21:14 pm
RFD
- LAX
1 stop22h 11m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/2610:40 am
LAX
- MDW
Nonstop3h 55m
Southwest
Sun 8/306:00 am
MDW
- LAX
Nonstop4h 15m
Southwest
Deal found 6/8![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/1911:59 pm
LAX
- MDW
1 stop6h 40m
Delta
Wed 8/269:24 am
MDW
- LAX
1 stop7h 10m
Delta
Deal found 6/8![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 10/157:47 pm
LAX
- RFD
1 stop13h 40m
Multiple Airlines
Mon 10/191:27 pm
RFD
- LAX
1 stop29h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/66:20 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 7/146:40 pm
MDW
- LAX
1 stop6h 25m
Southwest
Deal found 6/6![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/86:15 am
LAX
- ORD
1 stop8h 44m
Delta
Wed 7/156:55 am
ORD
- LAX
1 stop8h 00m
Delta
Deal found 6/7![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/2010:19 pm
LAX
- RFD
1 stop12h 04m
Multiple Airlines
Sun 8/239:35 pm
RFD
- LAX
1 stop13h 50m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/219:10 pm
LAX
- MDW
1 stop6h 15m
Southwest
Thu 7/235:20 am
MDW
- LAX
1 stop6h 00m
Southwest
Deal found 6/6![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/65:15 pm
LAX
- ORD
Nonstop4h 03m
Delta
Tue 7/146:35 pm
ORD
- LAX
Nonstop4h 37m
Delta
Deal found 6/6![Delta logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/231:56 pm
LAX
- RFD
1 stop28h 27m
Multiple Airlines
Sun 8/21:14 pm
RFD
- LAX
1 stop22h 11m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/221:50 pm
LAX
- MDW
1 stop7h 00m
Southwest
Fri 9/255:00 pm
MDW
- LAX
2 stops7h 25m
Southwest
Deal found 6/7![Southwest logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/131:17 pm
LAX
- RFD
1 stop28h 37m
Multiple Airlines
Sun 9/209:29 pm
RFD
- LAX
1 stop12h 51m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$323
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated June 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 7/219:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/6![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1111:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/259:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/8![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 7/219:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/4![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/141:56 pm
LAX
- RFD
1 stop28h 03m
Multiple Airlines
Fri 7/179:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/1411:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/189:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/9![Frontier logo]()
$232
This Super.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Thu 7/1611:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/189:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/6![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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
Wed 7/229:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/5![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/1811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Fri 7/249:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/7![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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
Tue 8/259:48 pm
ORD
- LAX
1 stop13h 10m
Frontier
Deal found 6/5![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/2211:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 7/259:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 6/7![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/2811:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 8/129:20 am
ORD
- LAX
1 stop10h 10m
Frontier
Deal found 6/6![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/301:56 pm
LAX
- RFD
1 stop28h 27m
Multiple Airlines
Mon 8/39:13 pm
RFD
- LAX
1 stop17h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$224
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 10, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Jettzy deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/9![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/231:56 pm
LAX
- RFD
1 stop28h 27m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$112
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/135:15 pm
LAX
- MDW
Nonstop3h 50m
Southwest
Deal found 6/9![Southwest logo]()
$115
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/153:20 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/41:56 pm
LAX
- RFD
1 stop28h 12m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$116
This Super.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Fri 8/1411:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/7![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/1111:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/7![Frontier logo]()
$119
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/210:40 am
LAX
- MDW
Nonstop3h 55m
Southwest
Deal found 6/5![Southwest logo]()
$120
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/215:00 pm
LAX
- ORD
Nonstop4h 16m
United Airlines
Deal found 6/5![United Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/1211:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 6/9![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/56:30 am
LAX
- ORD
1 stop21h 07m
Frontier
Deal found 6/9![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Fri 8/1411:34 pm
LAX
- MDW
1 stop8h 17m
Frontier
Deal found 6/9![Frontier logo]()
$124
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Frontier) |
One-way from | $111 (Jettzy) |
Popular in | February |
Cheapest in | September |
Average price | $353 |
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 10, 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 8/6
1:56 pm-8:34 pm
1 stop28h 38m
Chicago Greater Rockford
Mon 8/10
9:24 pm-1:01 pm
1 stop17h 37m
$222
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Tue 7/14
1:56 pm-7:59 pm
1 stop28h 03m
Chicago Greater Rockford
Fri 7/17
9:13 pm-1:01 pm
1 stop17h 48m
$223
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 7/30
1:56 pm-8:23 pm
1 stop28h 27m
Chicago Greater Rockford
Mon 8/3
9:13 pm-1:01 pm
1 stop17h 48m
$224
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 7/22
6:15 am-4:59 pm
1 stop8h 44m
Chicago O'Hare Intl
Wed 7/29
6:55 am-12:55 pm
1 stop8h 00m
$269
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Wed 7/22
6:30 am-12:24 pm
1 stop27h 54m
Chicago Greater Rockford
Mon 7/27
9:13 pm-1:01 pm
1 stop17h 48m
$276
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 11/5
7:47 pm-10:33 am
1 stop12h 46m
Chicago Greater Rockford
Sun 11/8
8:37 pm-8:20 am
1 stop13h 43m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 8/7
7:15 am-6:19 pm
1 stop9h 04m
Chicago O'Hare Intl
Tue 8/11
5:20 pm-10:15 pm
1 stop6h 55m
$280
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 7/10
12:30 am-8:35 am
1 stop6h 05m
Chicago O'Hare Intl
Wed 7/15
7:45 am-12:27 pm
1 stop6h 42m
$287
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Tue 7/28
1:56 pm-7:59 pm
1 stop28h 03m
Chicago Greater Rockford
Sun 8/2
1:14 pm-9:25 am
1 stop22h 11m
$293
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 10/15
7:47 pm-11:27 am
1 stop13h 40m
Chicago Greater Rockford
Mon 10/19
1:27 pm-5:08 pm
1 stop29h 41m
$294
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-RFD
LAX-ORD
LAX-MDW
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-RFD
LAX-ORD
LAX-MDW
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 10, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 22% 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 10, 2026.
The most flights from IR9 to CHI are scheduled on a Monday (136 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (94 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 8, 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 evenings 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 10, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Hammond
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 June 10, 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 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$202 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$253 | Average$484 | FlexibilityNo cancel fee | On-time75% |