$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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Mar 3 — Mar 101
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 56 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from Irvine to Chicago
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Best
Last-minute
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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 February 1, 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 February 1, 2026.
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier 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
Frontier
Sun 4/267:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/1![Frontier logo]()
$178
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:50 pm
LAX
- MDW
1 stop29h 39m
Frontier
Mon 2/236:45 am
MDW
- LAX
1 stop16h 35m
Frontier
Deal found 1/31![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Fri 4/179:39 am
LAX
- ORD
Nonstop4h 03m
Spirit Airlines
Thu 4/309:20 pm
ORD
- LAX
Nonstop4h 26m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/207:47 pm
LAX
- MDW
1 stop17h 32m
Frontier
Mon 2/237:25 pm
MDW
- LAX
1 stop22h 20m
Frontier
Deal found 1/31![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Wed 3/188:05 am
ORD
- LAX
1 stop12h 56m
Frontier
Deal found 2/1![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:11 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Fri 4/37:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/1![Frontier logo]()
$181
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:50 pm
LAX
- ORD
1 stop22h 45m
Multiple Airlines
Tue 2/249:18 am
ORD
- LAX
1 stop11h 05m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/271:05 am
LAX
- MDW
1 stop12h 14m
Multiple Airlines
Mon 3/92:16 pm
MDW
- LAX
1 stop9h 14m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$183
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Tue 3/177:31 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/1![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/269:16 pm
LAX
- MDW
2 stops14h 37m
Frontier
Mon 3/23:29 pm
MDW
- LAX
1 stop26h 16m
Frontier
Deal found 1/31![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Mon 5/47:43 am
ORD
- LAX
1 stop13h 06m
Frontier
Deal found 2/1![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/210:37 pm
LAX
- ORD
2 stops16h 15m
Frontier
Fri 3/67:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 1/31![Frontier logo]()
$185
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 February 1, 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 February 1, 2026.
This Southwest deal was found by Cheapflights users on 1/31. 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 3/188:30 am
LAX
- MDW
1 stop7h 35m
Southwest
Wed 3/2510:10 am
MDW
- LAX
1 stop8h 10m
Southwest
Deal found 1/31![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
LAX
- MDW
1 stop9h 22m
Delta
Wed 3/181:10 pm
MDW
- LAX
1 stop6h 59m
Delta
Deal found 1/30![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 1/30. 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 3/2612:25 am
LAX
- ORD
Nonstop3h 55m
United Airlines
Wed 4/17:00 am
ORD
- LAX
Nonstop4h 40m
United Airlines
Deal found 1/30![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:03 pm
LAX
- ORD
1 stop7h 53m
Alaska Airlines
Fri 3/133:54 pm
ORD
- LAX
1 stop10h 05m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/209:21 pm
LAX
- RFD
1 stop11h 49m
Multiple Airlines
Sun 2/2212:41 pm
RFD
- LAX
1 stop7h 08m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/1711:59 pm
LAX
- MDW
1 stop6h 51m
Delta
Wed 3/256:34 pm
MDW
- LAX
1 stop7h 18m
Delta
Deal found 2/1![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 2/1. 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.
Wed 3/186:25 am
LAX
- MDW
1 stop6h 25m
Southwest
Tue 3/2410:55 am
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 2/1![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:00 am
LAX
- ORD
Nonstop4h 14m
United Airlines
Tue 2/249:00 am
ORD
- LAX
Nonstop4h 57m
United Airlines
Deal found 1/29![United Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:46 am
LAX
- ORD
1 stop13h 10m
Alaska Airlines
Tue 3/248:00 am
ORD
- LAX
2 stops13h 13m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 1/31. 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.
Sat 3/75:10 am
LAX
- MDW
Nonstop3h 55m
Southwest
Sat 3/149:35 pm
MDW
- LAX
Nonstop4h 35m
Southwest
Deal found 1/31![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 3/207:55 am
LAX
- MDW
1 stop7h 59m
Delta
Mon 3/239:35 am
MDW
- LAX
1 stop7h 00m
Delta
Deal found 2/1![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 3/2512:25 am
LAX
- ORD
Nonstop3h 55m
United Airlines
Sat 3/286:20 pm
ORD
- LAX
Nonstop4h 49m
United Airlines
Deal found 1/30![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 1/30. 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 3/93:50 pm
LAX
- MDW
Nonstop3h 50m
Southwest
Tue 3/177:05 am
MDW
- LAX
Nonstop4h 35m
Southwest
Deal found 1/30![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 3/267:35 am
LAX
- ORD
1 stop8h 30m
Delta
Fri 4/35:40 pm
ORD
- LAX
1 stop7h 05m
Delta
Deal found 2/1![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:45 am
LAX
- ORD
Nonstop4h 12m
United Airlines
Thu 3/57:40 pm
ORD
- LAX
Nonstop4h 44m
United Airlines
Deal found 1/29![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 3/267:35 am
LAX
- ORD
1 stop8h 30m
Delta
Sat 4/412:15 pm
ORD
- LAX
1 stop6h 42m
Delta
Deal found 2/1![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 1/31. 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.
Thu 3/195:30 am
LAX
- ORD
1 stop6h 25m
Southwest
Sun 3/227:20 pm
ORD
- LAX
1 stop7h 00m
Southwest
Deal found 1/31![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 1/31. 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.
Fri 4/106:00 am
LAX
- ORD
1 stop8h 43m
Delta
Sun 4/125:40 pm
ORD
- LAX
1 stop8h 12m
Delta
Deal found 1/31![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 2/1. 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 4/1811:50 am
LAX
- ORD
2 stops8h 30m
Southwest
Sat 4/252:05 pm
ORD
- LAX
2 stops9h 25m
Southwest
Deal found 2/1![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 4/99:40 pm
LAX
- ORD
1 stop9h 30m
Delta
Mon 4/1310:49 am
ORD
- LAX
1 stop9h 25m
Delta
Deal found 2/1![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 1/31. 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.
Thu 3/265:10 am
LAX
- MDW
Nonstop3h 55m
Southwest
Wed 4/19:20 pm
MDW
- LAX
Nonstop4h 35m
Southwest
Deal found 1/31![Southwest logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/1311:59 pm
LAX
- RFD
1 stop30h 38m
Multiple Airlines
Sun 2/1512:41 pm
RFD
- LAX
1 stop7h 08m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$516
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated February 1, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated February 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/184:07 pm
LAX
- ORD
2 stops16h 19m
Multiple Airlines
Mon 2/237:19 pm
ORD
- LAX
1 stop14h 56m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$180
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:18 pm
LAX
- ORD
1 stop10h 36m
Multiple Airlines
Sat 2/218:05 am
ORD
- LAX
1 stop15h 15m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$181
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:50 pm
LAX
- MDW
1 stop29h 39m
Frontier
Mon 2/236:45 am
MDW
- LAX
1 stop16h 35m
Frontier
Deal found 1/31![Frontier logo]()
$179
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:14 pm
LAX
- ORD
1 stop12h 24m
Frontier
Sat 2/218:05 am
ORD
- LAX
1 stop15h 15m
Frontier
Deal found 1/31![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/207:47 pm
LAX
- MDW
1 stop17h 32m
Frontier
Mon 2/237:25 pm
MDW
- LAX
1 stop22h 20m
Frontier
Deal found 1/31![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/207:18 pm
LAX
- ORD
1 stop10h 36m
Multiple Airlines
Mon 2/237:19 pm
ORD
- LAX
1 stop14h 56m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$184
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:50 pm
LAX
- ORD
1 stop22h 45m
Multiple Airlines
Tue 2/249:18 am
ORD
- LAX
1 stop11h 05m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$182
This Expedia deal was found by Cheapflights users on 1/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:45 pm
LAX
- ORD
1 stop10h 06m
Multiple Airlines
Sat 2/288:59 am
ORD
- LAX
1 stop11h 24m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/2510:45 pm
LAX
- ORD
1 stop10h 06m
Frontier
Tue 3/39:15 am
ORD
- LAX
1 stop8h 30m
Frontier
Deal found 1/31![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/269:16 pm
LAX
- MDW
2 stops14h 37m
Frontier
Mon 3/23:29 pm
MDW
- LAX
1 stop26h 16m
Frontier
Deal found 1/31![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/271:05 am
LAX
- MDW
1 stop12h 14m
Multiple Airlines
Mon 3/92:16 pm
MDW
- LAX
1 stop9h 14m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/271:05 am
LAX
- MDW
1 stop12h 14m
Multiple Airlines
Sat 3/79:16 pm
MDW
- LAX
1 stop10h 59m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$188
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 February 1, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:47 pm
LAX
- MDW
1 stop17h 32m
Frontier
Deal found 2/1![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Mon 3/166:15 am
LAX
- ORD
1 stop16h 42m
Frontier
Deal found 1/30![Frontier logo]()
$94
This Priceline deal was found by Cheapflights users on 1/31. 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.
Thu 5/148:54 pm
LAX
- MDW
1 stop9h 10m
Frontier
Deal found 1/31![Frontier logo]()
$95
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:07 pm
LAX
- ORD
1 stop11h 24m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 3/62:51 pm
LAX
- MDW
1 stop27h 30m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$96
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Deal found 1/30![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/201:05 am
LAX
- MDW
1 stop12h 14m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$97
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:20 am
LAX
- ORD
1 stop14h 20m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/252:51 pm
LAX
- MDW
1 stop28h 21m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/2411:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Deal found 2/1![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 4/237:44 pm
LAX
- MDW
1 stop17h 05m
Frontier
Deal found 1/31![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 1/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:14 pm
LAX
- ORD
1 stop12h 24m
Frontier
Deal found 1/31![Frontier logo]()
$99
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 February 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Frontier) |
One-way from | $94 (Super.com) |
Popular in | January |
Cheapest in | September |
Average price | $279 |
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 February 1, 2026.
Use the filters below to find and compare flights from Irvine to Chicago that are best for you.
Fly from
Irvine
Fly to
Chicago
Route
Depart
Return
Price
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 3/18
8:30 am-6:05 pm
1 stop7h 35m
Chicago Midway
Wed 3/25
10:10 am-4:20 pm
1 stop8h 10m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Tue 3/17
6:00 am-5:22 pm
1 stop9h 22m
Chicago Midway
Wed 3/18
1:10 pm-6:09 pm
1 stop6h 59m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 3/26
12:25 am-6:20 am
Nonstop3h 55m
Chicago O'Hare Intl
Wed 4/1
7:00 am-9:40 am
Nonstop4h 40m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Tue 3/17
11:59 pm-8:50 am
1 stop6h 51m
Chicago Midway
Wed 3/25
6:34 pm-11:52 pm
1 stop7h 18m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 3/18
6:25 am-2:50 pm
1 stop6h 25m
Chicago Midway
Tue 3/24
10:55 am-1:25 pm
Nonstop4h 30m
$267
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 3/7
5:10 am-11:05 am
Nonstop3h 55m
Chicago Midway
Sat 3/14
9:35 pm-12:10 am
Nonstop4h 35m
$287
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 3/9
3:50 pm-9:40 pm
Nonstop3h 50m
Chicago Midway
Tue 3/17
7:05 am-9:40 am
Nonstop4h 35m
$290
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 3/20
7:55 am-5:54 pm
1 stop7h 59m
Chicago Midway
Mon 3/23
9:35 am-2:35 pm
1 stop7h 00m
$297
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 3/26
7:35 am-6:05 pm
1 stop8h 30m
Chicago O'Hare Intl
Fri 4/3
5:40 pm-10:45 pm
1 stop7h 05m
$297
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 3/26
7:35 am-6:05 pm
1 stop8h 30m
Chicago O'Hare Intl
Sat 4/4
12:15 pm-4:57 pm
1 stop6h 42m
$297
Showing 1-10 of 52 results
Best time to book a flight from Irvine to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Irvine with our price prediction graph.
LAX-MDW
LAX-ORD
LAX-RFD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Irvine to Chicago
IR9-CHI
LAX-MDW
LAX-ORD
LAX-RFD
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 January 30, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Chicago, you should look to book at least 56 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, March is the cheapest month in which you can book a flight from Irvine to Chicago (average of $77). Flying from Irvine to Chicago in October is currently the most expensive (average of $147). 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 February 1, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 25% 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 January 31, 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. Saturday 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 February 1, 2026.
The most flights from IR9 to CHI are scheduled on a Friday (100 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (76 on average).
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 February 1, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Irvine to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
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
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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.
Top 9 airlines flying from Irvine to Chicago
Discover the top 9 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 February 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$86 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$323 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$166 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$407 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$445 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$203 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$365 | FlexibilityNo cancel fee | On-timeN/A |