$137+ Cheap flights from Irvine, CA to O'Hare Intl (ORD)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to O'Hare Intl 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 O'Hare Intl are usually found in September or August, booked 30 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Irvine to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to O'Hare IntlExplore the most affordable flight options available from Irvine to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Irvine to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/222:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/22![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 8/188:45 am
ORD
- LAX
2 stops15h 54m
Frontier
Deal found 7/22![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/178:49 pm
LAX
- ORD
2 stops17h 10m
Frontier
Thu 8/202:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/23![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/292:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/20![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/112:45 pm
LAX
- ORD
1 stop9h 14m
Multiple Airlines
Fri 9/49:20 pm
ORD
- LAX
Nonstop4h 44m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$233
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1211:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/209:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/22![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/2011:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 8/259:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/21![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1911:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/29:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/21![Frontier logo]()
$236
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/912:10 am
LAX
- ORD
Nonstop4h 10m
United Airlines
Thu 9/103:00 pm
ORD
- LAX
Nonstop4h 37m
United Airlines
Deal found 7/21![United Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/22:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/20![Frontier logo]()
$239
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/139:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/22![Frontier logo]()
$240
Best flights from Irvine to O'Hare IntlDiscover carefully curated flight deals from Irvine to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Irvine to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Sun 9/612:10 am
LAX
- ORD
Nonstop4h 10m
United Airlines
Wed 9/95:55 am
ORD
- LAX
Nonstop4h 27m
United Airlines
Deal found 7/24![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:15 pm
LAX
- ORD
Nonstop4h 06m
Delta
Tue 9/152:05 pm
ORD
- LAX
1 stop6h 07m
Delta
Deal found 7/23![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/98:20 am
LAX
- ORD
2 stops9h 01m
Alaska Airlines
Mon 9/146:00 am
ORD
- LAX
1 stop10h 44m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2211:59 pm
LAX
- ORD
1 stop7h 04m
Delta
Mon 10/266:30 pm
ORD
- LAX
Nonstop4h 46m
Delta
Deal found 7/21![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/197:02 am
LAX
- ORD
1 stop7h 57m
Delta
Mon 10/2612:50 pm
ORD
- LAX
1 stop9h 50m
Delta
Deal found 7/20![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/207:35 am
LAX
- ORD
Nonstop4h 03m
Delta
Sun 10/255:59 pm
ORD
- LAX
1 stop8h 22m
Delta
Deal found 7/23![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/192:00 pm
LAX
- ORD
1 stop7h 57m
Delta
Thu 9/242:50 pm
ORD
- LAX
Nonstop4h 25m
Delta
Deal found 7/24![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Sat 8/297:16 am
LAX
- ORD
2 stops10h 05m
Alaska Airlines
Sat 9/56:54 pm
ORD
- LAX
1 stop16h 40m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/512:37 pm
LAX
- ORD
1 stop7h 10m
Delta
Sun 9/66:00 am
ORD
- LAX
1 stop7h 12m
Delta
Deal found 7/22![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/209:50 am
LAX
- ORD
1 stop6h 29m
Delta
Mon 8/245:56 pm
ORD
- LAX
1 stop8h 36m
Delta
Deal found 7/24![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/1010:40 pm
LAX
- ORD
1 stop7h 16m
Delta
Thu 8/207:29 am
ORD
- LAX
Nonstop4h 26m
Delta
Deal found 7/20![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:07 pm
LAX
- ORD
1 stop9h 22m
Delta
Mon 8/311:59 pm
ORD
- LAX
1 stop8h 10m
Delta
Deal found 7/20![Delta logo]()
$322
Last-minute flights from Irvine to O'Hare IntlDiscover last-minute flight deals from Irvine to O'Hare Intl. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to O'Hare Intl. Data last updated July 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 8/188:45 am
ORD
- LAX
2 stops15h 54m
Frontier
Deal found 7/22![Frontier logo]()
$230
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1011:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Thu 8/139:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/22![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Sat 8/229:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/19![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Tue 8/259:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/19![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:07 pm
LAX
- ORD
1 stop15h 30m
Frontier
Thu 8/139:13 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/22![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:00 am
LAX
- ORD
1 stop8h 52m
Frontier
Thu 8/202:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/22![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1511:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/222:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/22![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1911:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/29:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/21![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/2011:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Tue 8/259:20 pm
ORD
- LAX
Nonstop4h 44m
Frontier
Deal found 7/21![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 9/1211:06 am
ORD
- LAX
1 stop14h 57m
Frontier
Deal found 7/19![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Sat 8/292:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/20![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:41 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Wed 9/22:41 pm
ORD
- LAX
1 stop11h 30m
Frontier
Deal found 7/20![Frontier logo]()
$239
One-way flights from Irvine to O'Hare IntlSearch for one-way flight options from Irvine to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Irvine to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:25 pm
LAX
- ORD
1 stop19h 34m
Frontier
Deal found 7/19![Frontier logo]()
$137
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/184:55 pm
LAX
- ORD
Nonstop4h 10m
United Airlines
Deal found 7/21![United Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
LAX
- ORD
1 stop12h 22m
Frontier
Deal found 7/19![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/411:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 7/22![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/36:55 am
LAX
- ORD
1 stop10h 07m
Frontier
Deal found 7/22![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:09 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 7/19![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/156:30 am
LAX
- ORD
1 stop21h 07m
Frontier
Deal found 7/23![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 7/2911:59 pm
LAX
- ORD
Nonstop4h 18m
Frontier
Deal found 7/23![Frontier logo]()
$147
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/187:35 am
LAX
- ORD
Nonstop4h 06m
Delta
Deal found 7/20![Delta logo]()
$148
Find flight deals from Irvine to O'Hare Intl
Keep the following information in mind while searching for Irvine to O'Hare Intl flight deals. Data was last updated July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Kiwi.com) |
One-way from | $137 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $385 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to O'Hare Intl 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 July 24, 2026.
Use the filters below to find and compare flights from Irvine to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sun 9/6
12:10 am-6:20 am
Nonstop4h 10m
Chicago O'Hare Intl
Wed 9/9
5:55 am-8:22 am
Nonstop4h 27m
$247
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 9/9
5:15 pm-11:21 pm
Nonstop4h 06m
Chicago O'Hare Intl
Tue 9/15
2:05 pm-6:12 pm
1 stop6h 07m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 10/22
11:59 pm-9:03 am
1 stop7h 04m
Chicago O'Hare Intl
Mon 10/26
6:30 pm-9:16 pm
Nonstop4h 46m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 10/19
7:02 am-4:59 pm
1 stop7h 57m
Chicago O'Hare Intl
Mon 10/26
12:50 pm-8:40 pm
1 stop9h 50m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 10/20
7:35 am-1:38 pm
Nonstop4h 03m
Chicago O'Hare Intl
Sun 10/25
5:59 pm-12:21 am
1 stop8h 22m
$267
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 9/19
2:00 pm-11:57 pm
1 stop7h 57m
Chicago O'Hare Intl
Thu 9/24
2:50 pm-5:15 pm
Nonstop4h 25m
$267
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 9/5
12:37 pm-9:47 pm
1 stop7h 10m
Chicago O'Hare Intl
Sun 9/6
6:00 am-11:12 am
1 stop7h 12m
$267
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 8/20
9:50 am-6:19 pm
1 stop6h 29m
Chicago O'Hare Intl
Mon 8/24
5:56 pm-12:32 am
1 stop8h 36m
$307
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 9/9
8:20 am-7:21 pm
2 stops9h 01m
Chicago O'Hare Intl
Mon 9/14
6:00 am-2:44 pm
1 stop10h 44m
$315
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 8/10
10:40 pm-7:56 am
1 stop7h 16m
Chicago O'Hare Intl
Thu 8/20
7:29 am-9:55 am
Nonstop4h 26m
$319
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Irvine to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Irvine with our price prediction graph.
LAX-ORD
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 O'Hare Intl Airport
IR9-ORD
LAX-ORD
What is the cheapest time of day to fly from IR9 to ORD?
Find hourly flight availability from Irvine to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 24, 2026.
It’s optimal to fly from Irvine to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Irvine to Chicago O'Hare Intl Airport
Explore weekly flight availability from Irvine to O'Hare Intl. 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 July 24, 2026.
The most flights from IR9 to ORD are scheduled on a Friday (138 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (70 on average).
How much does it cost to fly round-trip from Irvine to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Irvine to Chicago O'Hare Intl Airport flights typically cost between $250 and $434 in August.The cheapest round-trip price found within the last 5 days was $229 on Frontier (Aug 15-Aug 22).
What is the cheapest day to fly from Irvine to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Irvine to O'Hare Intl. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Irvine to Chicago O'Hare Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 24, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Irvine to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Irvine to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Irvine and O'Hare Intl flights
Browse other Irvine and O'Hare Intl flight options. Last updated on July 24, 2026.
Popular flight searches
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Irvine to O'Hare Intl flights
Consider these flights traveling from Irvine to O'Hare Intl.
Top 7 airlines flying from Irvine to O'Hare Intl
Discover the top 7 airlines that operate flights from Irvine to O'Hare Intl. 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$263 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$392 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$439 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$503 | FlexibilityNo cancel fee | On-time75% |