$94+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
May 2 — May 91
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 29 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Irvine to Chicago
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Best
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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 April 2, 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 April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:22 pm
LAX
- ORD
Nonstop4h 05m
Multiple Airlines
Mon 4/208:58 pm
ORD
- LAX
1 stop21h 17m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$167
This Travelocity deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:18 pm
LAX
- ORD
2 stops14h 05m
Multiple Airlines
Sat 4/257:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:22 pm
LAX
- ORD
Nonstop4h 05m
Spirit Airlines
Sun 4/265:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 4/1![Spirit Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Fri 4/2411:00 pm
LAX
- ORD
1 stop10h 33m
Multiple Airlines
Sat 5/23:00 pm
ORD
- LAX
Nonstop4h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$170
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Wed 5/68:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 4/2411:36 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Sun 4/265:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$172
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pm
LAX
- ORD
1 stop10h 32m
Multiple Airlines
Wed 4/296:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Sat 5/26:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$174
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
LAX
- ORD
1 stop7h 10m
Frontier
Thu 4/308:58 pm
ORD
- LAX
1 stop13h 20m
Frontier
Deal found 3/31![Frontier logo]()
$175
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:25 pm
LAX
- ORD
2 stops14h 58m
Multiple Airlines
Tue 4/217:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$176
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:04 pm
LAX
- ORD
1 stop24h 09m
Frontier
Sat 5/98:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/28![Frontier logo]()
$177
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:00 pm
LAX
- ORD
1 stop10h 32m
Multiple Airlines
Fri 4/176:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$178
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 April 2, 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 April 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:10 am
LAX
- ORD
Nonstop4h 17m
United Airlines
Wed 6/106:00 am
ORD
- LAX
Nonstop4h 27m
United Airlines
Deal found 4/1![United Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:30 am
LAX
- ORD
1 stop8h 56m
Delta
Tue 5/195:19 pm
ORD
- LAX
1 stop7h 23m
Delta
Deal found 4/1![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 3/29. 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 4/285:15 am
LAX
- MDW
Nonstop4h 00m
Southwest
Thu 4/306:15 am
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/29![Southwest logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:08 pm
LAX
- RFD
1 stop22h 13m
Multiple Airlines
Sun 5/241:11 pm
RFD
- LAX
1 stop8h 21m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:05 am
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 5/26:45 am
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 4/1![Southwest logo]()
$241
This Delta deal was found by Cheapflights users on 3/28. 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.
Tue 5/121:16 pm
LAX
- ORD
1 stop6h 34m
Delta
Thu 5/145:41 pm
ORD
- LAX
1 stop8h 09m
Delta
Deal found 3/28![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 3/29. 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.
Sat 5/28:45 am
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 5/96:45 am
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/29![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:50 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Sun 5/39:20 pm
ORD
- LAX
Nonstop4h 39m
United Airlines
Deal found 3/31![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:20 am
LAX
- ORD
2 stops7h 40m
Southwest
Tue 4/2811:55 am
ORD
- LAX
1 stop6h 40m
Southwest
Deal found 4/2![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/18:16 am
LAX
- RFD
1 stop9h 29m
Multiple Airlines
Sun 5/312:50 pm
RFD
- LAX
1 stop24h 17m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 3/28. 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.
Thu 5/711:59 pm
LAX
- MDW
1 stop6h 43m
Delta
Fri 5/87:13 pm
MDW
- LAX
1 stop6h 37m
Delta
Deal found 3/28![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 3/28. 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 5/1110:40 am
LAX
- MDW
1 stop5h 15m
Southwest
Wed 5/1310:10 am
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 3/28![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:40 am
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 5/231:55 pm
MDW
- LAX
1 stop6h 25m
Southwest
Deal found 4/1![Southwest logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:05 pm
LAX
- RFD
1 stop20h 00m
Multiple Airlines
Sat 5/231:01 pm
RFD
- LAX
1 stop10h 09m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 3/29. 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.
Sat 5/211:50 am
LAX
- ORD
2 stops8h 30m
Southwest
Sat 5/92:05 pm
ORD
- LAX
2 stops9h 25m
Southwest
Deal found 3/29![Southwest logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:08 pm
LAX
- RFD
1 stop21h 52m
Multiple Airlines
Sun 5/1712:50 pm
RFD
- LAX
1 stop22h 13m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 3/30. 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.
Mon 5/47:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Thu 5/73:45 pm
ORD
- LAX
1 stop8h 55m
Southwest
Deal found 3/30![Southwest logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:05 pm
LAX
- RFD
1 stop13h 56m
Multiple Airlines
Sun 5/1712:50 pm
RFD
- LAX
1 stop29h 07m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:20 pm
LAX
- ORD
2 stops7h 35m
Southwest
Wed 5/273:45 pm
ORD
- LAX
1 stop7h 35m
Southwest
Deal found 3/30![Southwest logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/2110:20 pm
LAX
- RFD
1 stop20h 03m
Multiple Airlines
Sat 5/231:01 pm
RFD
- LAX
1 stop10h 09m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/84:07 pm
LAX
- RFD
1 stop17h 53m
Multiple Airlines
Fri 4/108:35 pm
RFD
- LAX
2 stops21h 41m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 3/29. 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.
Fri 5/17:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Mon 5/44:15 pm
ORD
- LAX
2 stops9h 05m
Southwest
Deal found 3/29![Southwest logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:20 pm
LAX
- RFD
1 stop13h 41m
Multiple Airlines
Thu 5/712:50 pm
RFD
- LAX
1 stop8h 42m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 3/28. 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.
Tue 5/1211:05 am
LAX
- ORD
2 stops9h 50m
Southwest
Tue 5/1911:55 am
ORD
- LAX
2 stops9h 50m
Southwest
Deal found 3/28![Southwest logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/77:10 pm
LAX
- RFD
2 stops21h 09m
Multiple Airlines
Sun 5/1012:50 pm
RFD
- LAX
1 stop8h 42m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 3/29. 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.
Fri 5/88:15 am
LAX
- ORD
1 stop8h 35m
Southwest
Sun 5/108:00 am
ORD
- LAX
1 stop6h 45m
Southwest
Deal found 3/29![Southwest logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Fri 6/1210:19 pm
LAX
- RFD
1 stop11h 55m
Multiple Airlines
Sun 6/141:13 pm
RFD
- LAX
1 stop8h 07m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Sat 5/912:08 pm
LAX
- RFD
1 stop21h 52m
Multiple Airlines
Fri 6/57:53 pm
RFD
- LAX
2 stops49h 39m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$471
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated April 2, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:00 pm
LAX
- ORD
1 stop10h 32m
Multiple Airlines
Fri 4/176:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$178
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:25 pm
LAX
- ORD
2 stops14h 58m
Multiple Airlines
Tue 4/217:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:22 pm
LAX
- ORD
Nonstop4h 05m
Multiple Airlines
Mon 4/208:58 pm
ORD
- LAX
1 stop21h 17m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$167
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
LAX
- ORD
1 stop7h 10m
Frontier
Thu 4/308:58 pm
ORD
- LAX
1 stop13h 20m
Frontier
Deal found 3/31![Frontier logo]()
$175
This Travelocity deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:18 pm
LAX
- ORD
2 stops14h 05m
Multiple Airlines
Sat 4/257:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$168
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pm
LAX
- ORD
1 stop10h 32m
Multiple Airlines
Wed 4/296:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:22 pm
LAX
- ORD
Nonstop4h 05m
Spirit Airlines
Sun 4/265:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 4/1![Spirit Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Fri 4/2411:00 pm
LAX
- ORD
1 stop10h 33m
Multiple Airlines
Sat 5/23:00 pm
ORD
- LAX
Nonstop4h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 4/2411:36 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Sun 4/265:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Sat 5/26:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$174
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Wed 5/68:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/31![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:04 pm
LAX
- ORD
1 stop24h 09m
Frontier
Sat 5/98:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 3/28![Frontier logo]()
$177
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 April 2, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Super.com deal was found by Cheapflights users on 3/30. 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 4/2011:00 pm
LAX
- ORD
1 stop8h 40m
Frontier
Deal found 3/30![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:01 am
LAX
- ORD
1 stop9h 28m
Frontier
Deal found 3/30![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 6/196:13 pm
LAX
- ORD
Nonstop3h 46m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$96
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:59 pm
LAX
- ORD
Nonstop4h 08m
Frontier
Deal found 3/31![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Wed 4/155:11 pm
LAX
- ORD
2 stops15h 12m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:04 pm
LAX
- MDW
1 stop8h 55m
Frontier
Deal found 4/1![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 3/30. 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.
Sat 4/185:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Deal found 3/30![Frontier logo]()
$99
This Southwest deal was found by Cheapflights users on 3/31. 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.
Wed 4/295:15 am
LAX
- MDW
Nonstop4h 00m
Southwest
Deal found 3/31![Southwest logo]()
$100
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:58 pm
LAX
- ORD
Nonstop4h 17m
United Airlines
Deal found 3/31![United Airlines logo]()
$100
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 3/31![Frontier logo]()
$101
This WAYA deal was found by Cheapflights users on 3/31. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
LAX
- ORD
1 stop7h 47m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$102
This Super.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Deal found 3/30![Frontier logo]()
$103
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Kiwi.com) |
One-way from | $94 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $289 |
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 April 2, 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 - ORD
LAXORD
Los Angeles Los Angeles
Mon 6/1
5:10 am-11:27 am
Nonstop4h 17m
Chicago O'Hare Intl
Wed 6/10
6:00 am-8:27 am
Nonstop4h 27m
$220
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Wed 5/13
9:30 am-8:26 pm
1 stop8h 56m
Chicago O'Hare Intl
Tue 5/19
5:19 pm-10:42 pm
1 stop7h 23m
$237
Quickest round-trip
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Tue 4/28
5:15 am-11:15 am
Nonstop4h 00m
Chicago Midway
Thu 4/30
6:15 am-8:40 am
Nonstop4h 25m
$241
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Thu 4/23
5:05 am-11:05 am
Nonstop4h 00m
Chicago Midway
Sat 5/2
6:45 am-9:10 am
Nonstop4h 25m
$241
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Sat 5/2
8:45 am-2:45 pm
Nonstop4h 00m
Chicago Midway
Sat 5/9
6:45 am-9:10 am
Nonstop4h 25m
$241
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Thu 4/23
5:20 am-3:00 pm
2 stops7h 40m
Chicago O'Hare Intl
Tue 4/28
11:55 am-4:35 pm
1 stop6h 40m
$245
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Mon 5/11
10:40 am-5:55 pm
1 stop5h 15m
Chicago Midway
Wed 5/13
10:10 am-12:40 pm
Nonstop4h 30m
$247
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles Los Angeles
Sat 5/16
5:40 am-11:40 am
Nonstop4h 00m
Chicago Midway
Sat 5/23
1:55 pm-6:20 pm
1 stop6h 25m
$251
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Tue 5/12
1:16 pm-9:50 pm
1 stop6h 34m
Chicago O'Hare Intl
Thu 5/14
5:41 pm-11:50 pm
1 stop8h 09m
$261
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles Los Angeles
Thu 4/30
11:50 pm-6:00 am
Nonstop4h 10m
Chicago O'Hare Intl
Sun 5/3
9:20 pm-11:59 pm
Nonstop4h 39m
$269
Showing 1-10 of 58 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
How far ahead should I book a flight from Irvine to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Chicago. Price data was last updated on April 2, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Chicago, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to Chicago?
Currently, April is the cheapest month in which you can book a flight from Irvine to Chicago (average of $98). Flying from Irvine to Chicago in February is currently the most expensive (average of $198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from 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 April 2, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 26% on flights from Irvine to Chicago by exploring options for tickets in the afternoon.
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 March 28, 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.
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 April 2, 2026.
The most flights from IR9 to CHI are scheduled on a Wednesday (110 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (62 on average).
How much does it cost to fly round-trip from Irvine to Chicago?
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 April 2, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from 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 locationsLansing
Merrillville
Hammond
Porter
Benton Harbor
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.
Alternative routes
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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 April 2, 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 April 2, 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 8 airlines flying from Irvine to Chicago
Discover the top 8 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$201 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$349 | FlexibilityNo cancel fee | On-timeN/A |