$101+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Mar 20 — Mar 271
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 Thursday
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 18, 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 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/1311:30 pm
LAX
- ORD
1 stop9h 47m
Multiple Airlines
Sun 4/199:18 pm
ORD
- LAX
1 stop13h 00m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$187
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/187:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/16![Frontier logo]()
$188
This deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Tue 3/104:28 pm
ORD
- LAX
1 stop8h 06m
Frontier
Deal found 2/14![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 4/158:54 pm
LAX
- MDW
1 stop9h 10m
Frontier
Tue 4/216:00 am
MDW
- LAX
1 stop8h 36m
Frontier
Deal found 2/18![Frontier logo]()
$190
This Priceline deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 5/143:03 pm
LAX
- ORD
1 stop7h 49m
Frontier
Sun 5/175:01 am
ORD
- LAX
1 stop9h 35m
Frontier
Deal found 2/17![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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
Sat 4/186:00 am
MDW
- LAX
1 stop8h 36m
Frontier
Deal found 2/17![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 5/1312:51 am
LAX
- ORD
Nonstop4h 09m
Spirit Airlines
Sun 5/178:52 pm
ORD
- LAX
1 stop13h 18m
Spirit Airlines
Deal found 2/18![Spirit Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/188:15 pm
LAX
- MDW
1 stop24h 30m
Frontier
Wed 3/2511:25 am
MDW
- LAX
1 stop13h 09m
Frontier
Deal found 2/16![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/256:00 am
LAX
- ORD
1 stop7h 15m
Multiple Airlines
Tue 4/79:45 am
ORD
- LAX
1 stop10h 21m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/712:44 pm
LAX
- MDW
1 stop7h 57m
Frontier
Mon 3/92:16 pm
MDW
- LAX
1 stop25h 36m
Frontier
Deal found 2/15![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 3/256:15 am
LAX
- ORD
1 stop25h 28m
Frontier
Wed 4/17:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/18![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Wed 4/158:54 pm
LAX
- MDW
1 stop9h 10m
Frontier
Sat 4/186:00 am
MDW
- LAX
1 stop8h 36m
Frontier
Deal found 2/16![Frontier logo]()
$194
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 18, 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 18, 2026.
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:10 pm
LAX
- MDW
1 stop6h 59m
Delta
Sat 5/239:22 am
MDW
- LAX
1 stop8h 35m
Delta
Deal found 2/14![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 4/2011:55 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Thu 4/239:45 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/16![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 5/47:11 pm
LAX
- ORD
Nonstop4h 07m
United Airlines
Thu 5/71:20 pm
ORD
- LAX
Nonstop4h 43m
United Airlines
Deal found 2/16![United Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:25 am
LAX
- ORD
2 stops13h 34m
Alaska Airlines
Thu 4/306:00 am
ORD
- LAX
1 stop9h 43m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$267
This deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:28 pm
LAX
- ORD
1 stop6h 40m
Frontier
Sat 3/147:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/14![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/59:01 pm
LAX
- RFD
1 stop19h 57m
Multiple Airlines
Sun 3/812:40 pm
RFD
- LAX
1 stop21h 40m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 5/611:20 pm
LAX
- MDW
1 stop7h 23m
Delta
Sat 5/231:22 pm
MDW
- LAX
1 stop6h 43m
Delta
Deal found 2/14![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 5/84:45 pm
LAX
- MDW
Nonstop3h 55m
Southwest
Sun 5/109:50 pm
MDW
- LAX
Nonstop4h 25m
Southwest
Deal found 2/14![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:30 am
LAX
- MDW
1 stop6h 12m
Delta
Sat 5/231:22 pm
MDW
- LAX
1 stop9h 23m
Delta
Deal found 2/14![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/111:02 pm
LAX
- ORD
Nonstop4h 13m
United Airlines
Sun 4/57:00 am
ORD
- LAX
Nonstop4h 40m
United Airlines
Deal found 2/14![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:30 pm
LAX
- ORD
1 stop7h 29m
Delta
Sat 5/235:20 pm
ORD
- LAX
1 stop7h 21m
Delta
Deal found 2/14![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/305:05 am
LAX
- MDW
Nonstop4h 00m
Southwest
Mon 5/48:35 am
MDW
- LAX
1 stop6h 00m
Southwest
Deal found 2/14![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/711:02 pm
LAX
- ORD
Nonstop4h 13m
United Airlines
Thu 4/98:03 pm
ORD
- LAX
Nonstop4h 41m
United Airlines
Deal found 2/17![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 5/1210:24 pm
LAX
- ORD
1 stop7h 34m
Delta
Sat 5/2311:07 am
ORD
- LAX
1 stop6h 50m
Delta
Deal found 2/14![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/1711:55 pm
LAX
- MDW
Nonstop4h 00m
Southwest
Tue 3/245:35 pm
MDW
- LAX
1 stop7h 50m
Southwest
Deal found 2/14![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/19:40 pm
LAX
- MDW
1 stop9h 13m
Delta
Sat 4/42:05 pm
MDW
- LAX
1 stop8h 17m
Delta
Deal found 2/15![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/2211:20 pm
LAX
- MDW
1 stop7h 27m
Delta
Thu 4/301:24 pm
MDW
- LAX
1 stop6h 50m
Delta
Deal found 2/15![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/81:25 pm
LAX
- ORD
1 stop6h 09m
Delta
Wed 4/157:10 pm
ORD
- LAX
1 stop6h 37m
Delta
Deal found 2/14![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 2/279:21 pm
LAX
- RFD
1 stop11h 49m
Multiple Airlines
Sun 3/110:37 am
RFD
- LAX
1 stop15h 13m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/19:40 pm
LAX
- ORD
1 stop9h 30m
Delta
Sat 4/42:05 pm
ORD
- LAX
1 stop9h 02m
Delta
Deal found 2/15![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 2/254:07 pm
LAX
- RFD
1 stop17h 44m
Multiple Airlines
Sun 3/110:37 am
RFD
- LAX
1 stop15h 13m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/711:30 pm
LAX
- ORD
1 stop7h 40m
Delta
Tue 4/147:10 pm
ORD
- LAX
1 stop6h 37m
Delta
Deal found 2/14![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/1210:15 pm
LAX
- RFD
1 stop19h 45m
Multiple Airlines
Sun 3/1512:45 pm
RFD
- LAX
1 stop22h 21m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/711:30 pm
LAX
- ORD
1 stop7h 40m
Delta
Sat 4/1812:14 pm
ORD
- LAX
1 stop6h 40m
Delta
Deal found 2/14![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/109:59 am
LAX
- ORD
1 stop6h 06m
Delta
Sat 3/142:05 pm
ORD
- LAX
1 stop9h 02m
Delta
Deal found 2/15![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/2511:30 pm
LAX
- MDW
1 stop7h 23m
Delta
Wed 4/16:34 pm
MDW
- LAX
1 stop7h 18m
Delta
Deal found 2/17![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/146:07 pm
LAX
- RFD
1 stop15h 48m
Multiple Airlines
Sat 3/219:28 pm
RFD
- LAX
2 stops45h 05m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/1910:03 am
LAX
- RFD
2 stops31h 57m
Multiple Airlines
Thu 3/2612:45 pm
RFD
- LAX
1 stop21h 35m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 2/226:20 am
LAX
- RFD
2 stops25h 41m
Multiple Airlines
Fri 2/277:49 pm
RFD
- LAX
1 stop15h 02m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$626
Last-minute flights from Irvine to ChicagoDiscover last-minute flight deals from Irvine to Chicago. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Chicago. Data last updated February 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 2/277:18 pm
LAX
- ORD
1 stop10h 36m
Multiple Airlines
Tue 3/108:55 pm
ORD
- LAX
1 stop13h 20m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/410:33 pm
LAX
- ORD
1 stop10h 18m
Frontier
Tue 3/107:31 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/17![Frontier logo]()
$187
This deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Tue 3/104:28 pm
ORD
- LAX
1 stop8h 06m
Frontier
Deal found 2/14![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/712:44 pm
LAX
- MDW
1 stop7h 57m
Frontier
Mon 3/92:16 pm
MDW
- LAX
1 stop25h 36m
Frontier
Deal found 2/15![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/97:00 am
LAX
- MDW
1 stop14h 20m
Frontier
Wed 3/1111:25 am
MDW
- LAX
2 stops14h 51m
Frontier
Deal found 2/17![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/99:23 pm
LAX
- ORD
1 stop6h 45m
Frontier
Fri 3/137:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/15![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 3/1011:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Sat 3/148:55 pm
ORD
- LAX
1 stop13h 25m
Frontier
Deal found 2/18![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/187:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 2/16![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/184:07 pm
LAX
- MDW
2 stops28h 38m
Multiple Airlines
Wed 3/2511:25 am
MDW
- LAX
1 stop13h 09m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/188:15 pm
LAX
- MDW
1 stop24h 30m
Frontier
Wed 3/2511:25 am
MDW
- LAX
1 stop13h 09m
Frontier
Deal found 2/16![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/258:57 pm
LAX
- ORD
1 stop10h 46m
Frontier
Sat 4/45:53 pm
ORD
- LAX
1 stop8h 19m
Frontier
Deal found 2/16![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 3/256:15 am
LAX
- ORD
1 stop25h 28m
Frontier
Wed 4/17:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 2/18![Frontier logo]()
$193
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 18, 2026.
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Booking.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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.
Tue 3/2410:43 pm
LAX
- MDW
1 stop17h 30m
Frontier
Deal found 2/14![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/186:30 pm
LAX
- ORD
1 stop9h 38m
Frontier
Deal found 2/14![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/154:17 pm
LAX
- MDW
2 stops28h 04m
Frontier
Deal found 2/17![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/98:57 pm
LAX
- MDW
2 stops35h 28m
Frontier
Deal found 2/16![Frontier logo]()
$103
This Trip.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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.
Sun 4/1210:51 pm
LAX
- ORD
1 stop22h 45m
Frontier
Deal found 2/18![Frontier logo]()
$103
This Priceline deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/1911:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Deal found 2/14![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/16![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/144:17 pm
LAX
- MDW
2 stops44h 32m
Frontier
Deal found 2/14![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/252:37 pm
LAX
- ORD
2 stops17h 06m
Frontier
Deal found 2/16![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/241:11 am
LAX
- MDW
1 stop7h 14m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$107
This Super.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/1311:25 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Deal found 2/15![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/148:18 am
LAX
- MDW
1 stop26h 42m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$108
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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Kiwi.com) |
One-way from | $101 (Booking.com) |
Popular in | January |
Cheapest in | September |
Average price | $361 |
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 18, 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
Sat 5/9
12:10 pm-9:09 pm
1 stop6h 59m
Chicago Midway
Sat 5/23
9:22 am-3:57 pm
1 stop8h 35m
$217
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 5/6
11:20 pm-8:43 am
1 stop7h 23m
Chicago Midway
Sat 5/23
1:22 pm-6:05 pm
1 stop6h 43m
$217
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 5/11
12:30 am-8:42 am
1 stop6h 12m
Chicago Midway
Sat 5/23
1:22 pm-8:45 pm
1 stop9h 23m
$217
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/9
2:30 pm-11:59 pm
1 stop7h 29m
Chicago O'Hare Intl
Sat 5/23
5:20 pm-10:41 pm
1 stop7h 21m
$217
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 5/12
10:24 pm-7:58 am
1 stop7h 34m
Chicago O'Hare Intl
Sat 5/23
11:07 am-3:57 pm
1 stop6h 50m
$217
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 4/20
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Thu 4/23
9:45 pm-12:10 am
Nonstop4h 25m
$237
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 5/4
7:11 pm-1:18 am
Nonstop4h 07m
Chicago O'Hare Intl
Thu 5/7
1:20 pm-4:03 pm
Nonstop4h 43m
$237
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 5/8
4:45 pm-10:40 pm
Nonstop3h 55m
Chicago Midway
Sun 5/10
9:50 pm-12:15 am
Nonstop4h 25m
$237
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 4/1
9:40 pm-8:53 am
1 stop9h 13m
Chicago Midway
Sat 4/4
2:05 pm-8:22 pm
1 stop8h 17m
$237
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 4/22
11:20 pm-8:47 am
1 stop7h 27m
Chicago Midway
Thu 4/30
1:24 pm-6:14 pm
1 stop6h 50m
$237
Showing 1-10 of 59 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-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 February 13, 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 February 18, 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 February 17, 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 February 18, 2026.
The most flights from IR9 to CHI are scheduled on a Monday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 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 18, 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
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
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
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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 February 18, 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 February 18, 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 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$87 | Average$236 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$294 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$166 | Average$263 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$450 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$202 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$369 | FlexibilityNo cancel fee | On-timeN/A |