$99+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Apr 2 — Apr 91
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 March 3, 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 March 3, 2026.
This Frontier deal was found by Cheapflights users on 3/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:57 pm
LAX
- ORD
Nonstop4h 26m
Frontier
Wed 8/263:39 pm
ORD
- LAX
1 stop9h 12m
Frontier
Deal found 3/2![Frontier logo]()
$182
This Lucky2Go deal was found by Cheapflights users on 3/2. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Sat 5/25:50 am
ORD
- LAX
2 stops19h 24m
Frontier
Deal found 3/2![Frontier logo]()
$183
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Mon 3/308:55 pm
ORD
- LAX
1 stop17h 44m
Frontier
Deal found 3/2![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Sat 4/256:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:35 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Sat 4/186:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$186
This CheapOair deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:40 pm
LAX
- ORD
Nonstop3h 55m
Multiple Airlines
Wed 8/123:39 pm
ORD
- LAX
1 stop9h 12m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$187
This Orbitz deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
LAX
- ORD
1 stop9h 41m
Multiple Airlines
Sun 4/265:50 am
ORD
- LAX
1 stop8h 46m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/157:15 am
LAX
- MDW
2 stops12h 59m
Frontier
Sun 4/196:20 am
MDW
- LAX
1 stop17h 44m
Frontier
Deal found 3/1![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 2/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:15 am
LAX
- ORD
1 stop16h 23m
Frontier
Mon 4/137:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/28![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 3/1. 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 4/1010:53 am
LAX
- MDW
1 stop10h 20m
Frontier
Mon 4/135:11 pm
MDW
- LAX
1 stop9h 18m
Frontier
Deal found 3/1![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:03 pm
LAX
- ORD
1 stop7h 49m
Frontier
Wed 5/273:39 pm
ORD
- LAX
1 stop9h 12m
Frontier
Deal found 2/27![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:04 pm
LAX
- MDW
1 stop8h 55m
Frontier
Sun 4/196:00 am
MDW
- LAX
1 stop8h 36m
Frontier
Deal found 2/25![Frontier logo]()
$191
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 March 3, 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 March 3, 2026.
This Southwest deal was found by Cheapflights users on 2/28. 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 4/1411:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Tue 4/218:55 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/28![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:05 am
LAX
- MDW
1 stop8h 04m
Delta
Fri 5/157:13 pm
MDW
- LAX
1 stop6h 43m
Delta
Deal found 2/25![Delta logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Wed 4/14:07 pm
LAX
- RFD
1 stop17h 48m
Multiple Airlines
Mon 4/68:32 pm
RFD
- LAX
1 stop19h 16m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 3/1. 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 4/165:05 am
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 4/2110:10 am
MDW
- LAX
Nonstop4h 30m
Southwest
Deal found 3/1![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:45 am
LAX
- MDW
1 stop8h 13m
Delta
Wed 4/221:24 pm
MDW
- LAX
1 stop6h 50m
Delta
Deal found 2/25![Delta logo]()
$226
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:45 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Tue 5/128:50 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/25![Southwest logo]()
$226
This Southwest deal was found by Cheapflights users on 3/1. 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 4/255:40 am
LAX
- MDW
Nonstop4h 00m
Southwest
Sat 5/23:00 pm
MDW
- LAX
1 stop6h 35m
Southwest
Deal found 3/1![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 3/1. 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 4/155:15 am
LAX
- MDW
Nonstop4h 00m
Southwest
Mon 4/206:25 pm
MDW
- LAX
1 stop6h 50m
Southwest
Deal found 3/1![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:25 pm
LAX
- ORD
1 stop6h 09m
Delta
Thu 4/25:40 pm
ORD
- LAX
1 stop8h 12m
Delta
Deal found 2/26![Delta logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:07 pm
LAX
- RFD
1 stop17h 48m
Multiple Airlines
Fri 4/38:32 pm
RFD
- LAX
1 stop25h 03m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:49 pm
LAX
- RFD
1 stop20h 34m
Multiple Airlines
Mon 5/259:13 pm
RFD
- LAX
1 stop12h 19m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
LAX
- MDW
1 stop6h 50m
Southwest
Tue 4/218:55 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/27![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 3/1. 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.
Mon 4/134:45 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Tue 4/2110:00 am
MDW
- LAX
1 stop7h 30m
Southwest
Deal found 3/1![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:46 pm
LAX
- RFD
1 stop11h 27m
Multiple Airlines
Mon 3/99:41 pm
RFD
- LAX
1 stop18h 11m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 3/1. 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.
Fri 5/17:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Mon 5/44:50 pm
ORD
- LAX
1 stop7h 10m
Southwest
Deal found 3/1![Southwest logo]()
$268
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:50 am
LAX
- ORD
1 stop10h 01m
Delta
Sun 3/157:25 am
ORD
- LAX
1 stop10h 44m
Delta
Deal found 2/26![Delta logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:03 am
LAX
- RFD
2 stops8h 35m
Multiple Airlines
Wed 3/258:20 pm
RFD
- LAX
1 stop20h 12m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 2/28. 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 4/79:35 pm
LAX
- MDW
1 stop5h 25m
Southwest
Thu 4/96:15 am
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/28![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 3/1. 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.
Mon 4/136:00 am
LAX
- ORD
1 stop7h 30m
Southwest
Tue 4/2110:30 am
ORD
- LAX
2 stops11h 15m
Southwest
Deal found 3/1![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:45 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Sun 4/193:50 pm
MDW
- LAX
1 stop6h 45m
Southwest
Deal found 2/25![Southwest logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:03 am
LAX
- RFD
2 stops8h 35m
Multiple Airlines
Sat 3/289:55 pm
RFD
- LAX
1 stop25h 35m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 3/2. 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.
Tue 4/75:15 am
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 4/78:55 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 3/2![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 3/1. 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.
Tue 5/129:35 am
LAX
- ORD
2 stops10h 20m
Southwest
Sat 5/166:15 am
ORD
- LAX
2 stops12h 05m
Southwest
Deal found 3/1![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:30 am
LAX
- ORD
1 stop5h 45m
Southwest
Mon 3/237:20 pm
ORD
- LAX
1 stop6h 55m
Southwest
Deal found 2/27![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Sun 5/106:15 pm
ORD
- LAX
2 stops7h 55m
Southwest
Deal found 2/26![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Mon 5/184:15 pm
ORD
- LAX
2 stops9h 05m
Southwest
Deal found 2/26![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:45 am
LAX
- ORD
2 stops10h 10m
Southwest
Thu 5/288:00 am
ORD
- LAX
2 stops8h 55m
Southwest
Deal found 2/26![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:10 am
LAX
- ORD
2 stops8h 20m
Southwest
Sat 4/252:05 pm
ORD
- LAX
2 stops9h 25m
Southwest
Deal found 2/27![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 2/28. 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 4/219:35 am
LAX
- ORD
2 stops10h 20m
Southwest
Thu 4/238:00 am
ORD
- LAX
2 stops8h 55m
Southwest
Deal found 2/28![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:50 am
LAX
- ORD
2 stops9h 35m
Southwest
Tue 5/266:15 am
ORD
- LAX
2 stops11h 15m
Southwest
Deal found 2/27![Southwest logo]()
$426
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated March 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 3/247:01 pm
LAX
- ORD
1 stop11h 49m
Multiple Airlines
Wed 4/13:29 pm
ORD
- LAX
1 stop10h 43m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$187
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Mon 3/308:55 pm
ORD
- LAX
1 stop17h 44m
Frontier
Deal found 3/2![Frontier logo]()
$184
This Orbitz deal was found by Cheapflights users on 3/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:53 am
LAX
- MDW
1 stop10h 20m
Frontier
Tue 4/146:10 am
MDW
- LAX
1 stop8h 26m
Frontier
Deal found 3/2![Frontier logo]()
$190
This Expedia deal was found by Cheapflights users on 2/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:15 am
LAX
- ORD
1 stop16h 23m
Frontier
Mon 4/137:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/28![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:35 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Sat 4/186:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/157:15 am
LAX
- MDW
2 stops12h 59m
Frontier
Sun 4/196:20 am
MDW
- LAX
1 stop17h 44m
Frontier
Deal found 3/1![Frontier logo]()
$189
This Booking.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:04 pm
LAX
- MDW
1 stop8h 55m
Frontier
Tue 4/212:15 pm
MDW
- LAX
1 stop9h 30m
Frontier
Deal found 2/25![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
LAX
- ORD
1 stop6h 27m
Multiple Airlines
Sun 4/198:58 pm
ORD
- LAX
1 stop13h 20m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$181
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Wed 4/223:27 pm
ORD
- LAX
1 stop8h 49m
Frontier
Deal found 2/26![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Sat 4/256:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$185
This Orbitz deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
LAX
- ORD
1 stop9h 41m
Multiple Airlines
Sun 4/265:50 am
ORD
- LAX
1 stop8h 46m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$188
This Lucky2Go deal was found by Cheapflights users on 3/2. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Sat 5/25:50 am
ORD
- LAX
2 stops19h 24m
Frontier
Deal found 3/2![Frontier logo]()
$183
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 March 3, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Southwest deal was found by Cheapflights users on 3/2. 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.
Sat 4/185:40 am
LAX
- MDW
Nonstop4h 00m
Southwest
Deal found 3/2![Southwest logo]()
$99
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:15 am
LAX
- ORD
Nonstop4h 12m
United Airlines
Deal found 3/2![United Airlines logo]()
$99
This Super.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:53 am
LAX
- MDW
1 stop11h 44m
Frontier
Deal found 2/25![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 2/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:15 am
LAX
- ORD
1 stop25h 28m
Frontier
Deal found 2/28![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:00 pm
LAX
- ORD
1 stop10h 42m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 5/72:17 pm
LAX
- MDW
2 stops51h 14m
Frontier
Deal found 2/28![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 pm
LAX
- ORD
1 stop15h 45m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:04 pm
LAX
- MDW
2 stops44h 27m
Frontier
Deal found 2/27![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 5/53:27 pm
LAX
- ORD
2 stops13h 20m
Frontier
Deal found 2/28![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
LAX
- MDW
2 stops19h 39m
Frontier
Deal found 2/27![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 pm
LAX
- ORD
2 stops14h 47m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:44 pm
LAX
- MDW
1 stop17h 05m
Frontier
Deal found 2/25![Frontier logo]()
$107
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 March 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Frontier) |
One-way from | $99 (Southwest) |
Popular in | January |
Cheapest in | September |
Average price | $320 |
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 March 3, 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
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Tue 4/14
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Tue 4/21
8:55 pm-11:20 pm
Nonstop4h 25m
$197
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Thu 4/16
5:05 am-11:05 am
Nonstop4h 00m
Chicago Midway
Tue 4/21
10:10 am-12:40 pm
Nonstop4h 30m
$217
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Tue 5/12
11:05 am-9:09 pm
1 stop8h 04m
Chicago Midway
Fri 5/15
7:13 pm-11:56 pm
1 stop6h 43m
$226
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 4/17
7:45 am-5:58 pm
1 stop8h 13m
Chicago Midway
Wed 4/22
1:24 pm-6:14 pm
1 stop6h 50m
$226
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Thu 5/7
4:45 pm-10:40 pm
Nonstop3h 55m
Chicago Midway
Tue 5/12
8:50 pm-11:15 pm
Nonstop4h 25m
$226
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 4/25
5:40 am-11:40 am
Nonstop4h 00m
Chicago Midway
Sat 5/2
3:00 pm-7:35 pm
1 stop6h 35m
$227
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 4/15
5:15 am-11:15 am
Nonstop4h 00m
Chicago Midway
Mon 4/20
6:25 pm-11:15 pm
1 stop6h 50m
$227
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 4/18
5:45 am-2:35 pm
1 stop6h 50m
Chicago Midway
Tue 4/21
8:55 pm-11:20 pm
Nonstop4h 25m
$266
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 4/13
4:45 pm-10:40 pm
Nonstop3h 55m
Chicago Midway
Tue 4/21
10:00 am-3:30 pm
1 stop7h 30m
$267
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 5/1
7:25 am-11:55 pm
2 stops14h 30m
Chicago O'Hare Intl
Mon 5/4
4:50 pm-10:00 pm
1 stop7h 10m
$268
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-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 February 27, 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 February is currently the most expensive (average of $165). 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 March 3, 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 February 21, 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 March 3, 2026.
The most flights from IR9 to CHI are scheduled on a Monday (97 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (37 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 March 3, 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.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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
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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 March 3, 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 March 3, 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 March 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$197 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$201 | Average$373 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$451 | FlexibilityNo cancel fee | On-time75% |