$94+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
May 20 — May 271
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 42 days in advance, depart on a Thursday or Friday 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 April 20, 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 April 20, 2026.
This Jettzy deal was found by Cheapflights users on 4/15. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:59 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Thu 5/149:37 pm
ORD
- LAX
1 stop28h 39m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$170
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:59 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Tue 5/265:11 pm
ORD
- LAX
1 stop27h 16m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$171
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3112:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Mon 6/84:05 pm
ORD
- LAX
1 stop17h 41m
Frontier
Deal found 4/16![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/79:46 am
LAX
- ORD
1 stop11h 15m
Frontier
Sat 5/98:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/17![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 4/16. 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.
Thu 5/2812:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Mon 6/16:55 am
ORD
- LAX
1 stop12h 17m
Frontier
Deal found 4/16![Frontier logo]()
$174
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Thu 5/149:37 pm
ORD
- LAX
1 stop28h 39m
Frontier
Deal found 4/15![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Thu 5/218:46 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/15![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:59 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Sat 5/304:50 pm
ORD
- LAX
1 stop7h 29m
Spirit Airlines
Deal found 4/16![Spirit Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/66:04 pm
LAX
- ORD
2 stops20h 12m
Frontier
Wed 5/138:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/15![Frontier logo]()
$178
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Wed 6/39:04 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/16![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Tue 5/126:30 am
LAX
- ORD
1 stop12h 02m
Multiple Airlines
Sat 5/164:50 pm
ORD
- LAX
1 stop7h 29m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$180
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:26 am
LAX
- ORD
Nonstop4h 08m
Frontier
Sun 5/319:37 pm
ORD
- LAX
1 stop12h 58m
Frontier
Deal found 4/15![Frontier logo]()
$181
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 April 20, 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 April 20, 2026.
This United Airlines deal was found by Cheapflights users on 4/14. 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 6/35:10 am
LAX
- ORD
Nonstop4h 17m
United Airlines
Mon 6/810:53 pm
ORD
- LAX
Nonstop4h 37m
United Airlines
Deal found 4/14![United Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 4/14. 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 6/176:25 am
LAX
- ORD
1 stop8h 37m
Delta
Wed 7/17:37 pm
ORD
- LAX
1 stop6h 09m
Delta
Deal found 4/14![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 4/16. 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 5/117:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Thu 5/146:15 am
ORD
- LAX
1 stop7h 15m
Southwest
Deal found 4/16![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:00 am
LAX
- ORD
2 stops11h 59m
Alaska Airlines
Tue 5/199:00 am
ORD
- LAX
2 stops12h 33m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/1612:15 pm
LAX
- ORD
1 stop9h 42m
Delta
Wed 5/205:30 am
ORD
- LAX
1 stop8h 40m
Delta
Deal found 4/15![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:05 am
LAX
- ORD
1 stop8h 48m
Delta
Mon 6/19:25 am
ORD
- LAX
1 stop8h 35m
Delta
Deal found 4/16![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/57:00 am
LAX
- ORD
Nonstop4h 15m
United Airlines
Fri 5/86:30 pm
ORD
- LAX
Nonstop4h 45m
United Airlines
Deal found 4/17![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 4/14. 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 5/215:20 am
LAX
- ORD
2 stops7h 40m
Southwest
Sun 5/246:15 am
ORD
- LAX
2 stops9h 05m
Southwest
Deal found 4/14![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 4/14. 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.
Thu 6/1111:48 am
LAX
- ORD
1 stop8h 09m
Delta
Tue 6/167:37 pm
ORD
- LAX
1 stop6h 09m
Delta
Deal found 4/14![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/510:53 pm
LAX
- ORD
Nonstop4h 13m
United Airlines
Sat 5/97:00 am
ORD
- LAX
Nonstop4h 40m
United Airlines
Deal found 4/17![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 4/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:15 am
LAX
- ORD
1 stop8h 40m
Delta
Tue 6/307:01 am
ORD
- LAX
1 stop9h 27m
Delta
Deal found 4/19![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 4/17. 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.
Fri 7/311:15 am
LAX
- ORD
1 stop8h 40m
Delta
Sun 7/56:30 am
ORD
- LAX
1 stop6h 33m
Delta
Deal found 4/17![Delta logo]()
$357
Last-minute flights from Irvine to O'Hare IntlDiscover last-minute flight deals from Irvine to O'Hare Intl. Data last updated April 20, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to O'Hare Intl. Data last updated April 20, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:04 pm
LAX
- ORD
1 stop16h 19m
Frontier
Fri 5/88:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/18![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Sat 4/255:11 pm
LAX
- ORD
1 stop10h 57m
Multiple Airlines
Sun 5/247:15 am
ORD
- LAX
Nonstop4h 26m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$209
This Orbitz deal was found by Cheapflights users on 4/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
LAX
- ORD
1 stop6h 52m
Frontier
Fri 5/16:00 am
ORD
- LAX
1 stop15h 06m
Frontier
Deal found 4/15![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Fri 6/129:13 pm
ORD
- LAX
Nonstop4h 36m
Frontier
Deal found 4/15![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Mon 6/89:04 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/15![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 4/285:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Tue 5/59:37 pm
ORD
- LAX
1 stop13h 18m
Frontier
Deal found 4/19![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Sat 6/139:13 pm
ORD
- LAX
Nonstop4h 36m
Frontier
Deal found 4/15![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Tue 4/2811:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Thu 4/305:50 am
ORD
- LAX
1 stop8h 46m
Frontier
Deal found 4/15![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 4/17. 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.
Wed 4/2911:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Tue 5/128:56 pm
ORD
- LAX
Nonstop4h 40m
Frontier
Deal found 4/17![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/2912:39 pm
LAX
- ORD
1 stop21h 34m
Frontier
Mon 5/46:09 pm
ORD
- LAX
1 stop8h 15m
Frontier
Deal found 4/16![Frontier logo]()
$218
This Super.com deal was found by Cheapflights users on 4/15. 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.
Wed 4/2912:39 pm
LAX
- ORD
1 stop21h 34m
Frontier
Sun 5/310:50 am
ORD
- LAX
1 stop22h 51m
Frontier
Deal found 4/15![Frontier logo]()
$222
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 April 20, 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 April 20, 2026.
This Super.com deal was found by Cheapflights users on 4/15. 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 5/185:45 am
LAX
- ORD
1 stop8h 31m
Frontier
Deal found 4/15![Frontier logo]()
$94
This Priceline deal was found by Cheapflights users on 4/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:45 am
LAX
- ORD
1 stop8h 31m
Frontier
Deal found 4/16![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 4/15. 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.
Sat 7/1111:59 pm
LAX
- ORD
Nonstop4h 03m
Spirit Airlines
Deal found 4/15![Spirit Airlines logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1311:59 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 4/17![Spirit Airlines logo]()
$97
This Super.com deal was found by Cheapflights users on 4/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Deal found 4/19![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 4/16![Frontier logo]()
$99
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/1112:15 am
LAX
- ORD
Nonstop4h 05m
United Airlines
Deal found 4/16![United Airlines logo]()
$100
This Frontier deal was found by Cheapflights users on 4/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 4/19![Frontier logo]()
$101
This Booking.com deal was found by Cheapflights users on 4/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:49 am
LAX
- ORD
1 stop15h 55m
Frontier
Deal found 4/19![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 4/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Deal found 4/17![Frontier logo]()
$103
This eDestinos deal was found by Cheapflights users on 4/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:45 am
LAX
- ORD
1 stop8h 21m
Frontier
Deal found 4/18![Frontier logo]()
$106
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 April 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $170 (Jettzy) |
One-way from | $94 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $336 |
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 April 20, 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
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 6/3
5:10 am-11:27 am
Nonstop4h 17m
Chicago O'Hare Intl
Mon 6/8
10:53 pm-1:30 am
Nonstop4h 37m
$220
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 6/17
6:25 am-5:02 pm
1 stop8h 37m
Chicago O'Hare Intl
Wed 7/1
7:37 pm-11:46 pm
1 stop6h 09m
$237
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/16
12:15 pm-11:57 pm
1 stop9h 42m
Chicago O'Hare Intl
Wed 5/20
5:30 am-12:10 pm
1 stop8h 40m
$249
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/30
11:05 am-9:53 pm
1 stop8h 48m
Chicago O'Hare Intl
Mon 6/1
9:25 am-4:00 pm
1 stop8h 35m
$261
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 5/11
7:25 am-11:55 pm
2 stops14h 30m
Chicago O'Hare Intl
Thu 5/14
6:15 am-11:30 am
1 stop7h 15m
$272
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 6/11
11:48 am-9:57 pm
1 stop8h 09m
Chicago O'Hare Intl
Tue 6/16
7:37 pm-11:46 pm
1 stop6h 09m
$337
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 5/5
7:00 am-1:15 pm
Nonstop4h 15m
Chicago O'Hare Intl
Fri 5/8
6:30 pm-9:15 pm
Nonstop4h 45m
$357
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 6/27
11:15 am-9:55 pm
1 stop8h 40m
Chicago O'Hare Intl
Tue 6/30
7:01 am-2:28 pm
1 stop9h 27m
$357
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 7/3
11:15 am-9:55 pm
1 stop8h 40m
Chicago O'Hare Intl
Sun 7/5
6:30 am-11:03 am
1 stop6h 33m
$357
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 5/12
10:00 am-11:59 pm
2 stops11h 59m
Chicago O'Hare Intl
Tue 5/19
9:00 am-7:33 pm
2 stops12h 33m
$371
Showing 1-10 of 23 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
How far ahead should I book a flight from Irvine to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to O'Hare Intl. Price data was last updated on April 17, 2026.
The best time to book flights from Irvine to Chicago O'Hare Intl Airport is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 April 20, 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 25% on the cost of your flight, compared to a flight at noon.
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 April 11, 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.
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 April 20, 2026.
The most flights from IR9 to ORD are scheduled on a Sunday (115 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (87 on average).
How much does it cost to fly round-trip from Irvine to Chicago O'Hare Intl Airport?
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 April 20, 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.
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
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 locationsRosemont
Schaumburg
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Irvine to O'Hare Intl
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Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to O'Hare Intl by cabin class
Find flights from Irvine to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 April 20, 2026.
Irvine and O'Hare Intl flights
Browse other Irvine and O'Hare Intl flight options. Last updated on April 20, 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 8 airlines flying from Irvine to O'Hare Intl
Discover the top 8 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 April 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$189 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$351 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$376 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$444 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$202 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$377 | FlexibilityNo cancel fee | On-timeN/A |