$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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Apr 29 — May 61
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 Thursday or Friday and return on a Friday
Cheap flight deals from Irvine to O'Hare Intl
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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 March 30, 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 March 30, 2026.
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pm
LAX
- ORD
1 stop10h 32m
Multiple Airlines
Wed 4/296:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$173
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:35 pm
LAX
- ORD
Nonstop4h 00m
Multiple Airlines
Mon 4/278:58 pm
ORD
- LAX
1 stop21h 17m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$174
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:36 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Mon 4/205:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$175
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:25 pm
LAX
- ORD
2 stops14h 58m
Multiple Airlines
Wed 4/227:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:30 am
LAX
- ORD
1 stop9h 41m
Multiple Airlines
Thu 4/235:20 am
ORD
- LAX
1 stop9h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 pm
LAX
- ORD
1 stop9h 47m
Spirit Airlines
Sun 4/195:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 3/28![Spirit Airlines logo]()
$178
This Expedia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Sun 5/310:50 am
ORD
- LAX
1 stop15h 21m
Frontier
Deal found 3/27![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:13 pm
LAX
- ORD
1 stop7h 39m
Frontier
Sun 4/197:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/26![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Thu 4/237:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/25![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Mon 5/259:42 pm
ORD
- LAX
1 stop13h 13m
Frontier
Deal found 3/27![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:30 pm
LAX
- ORD
1 stop15h 45m
Spirit Airlines
Wed 4/156:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/25![Spirit Airlines logo]()
$183
This Trip.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:19 pm
LAX
- ORD
1 stop14h 49m
Frontier
Sat 4/255:50 am
ORD
- LAX
1 stop9h 06m
Frontier
Deal found 3/28![Frontier logo]()
$184
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 March 30, 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 March 30, 2026.
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:25 am
LAX
- ORD
1 stop8h 55m
Delta
Mon 6/86:15 pm
ORD
- LAX
Nonstop4h 31m
Delta
Deal found 3/26![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:20 am
LAX
- ORD
2 stops8h 10m
Southwest
Thu 5/143:45 pm
ORD
- LAX
1 stop8h 55m
Southwest
Deal found 3/25![Southwest logo]()
$258
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:25 pm
LAX
- ORD
Nonstop4h 09m
United Airlines
Sun 5/108:40 am
ORD
- LAX
Nonstop4h 43m
United Airlines
Deal found 3/27![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:26 am
LAX
- ORD
1 stop5h 54m
Delta
Tue 6/96:15 pm
ORD
- LAX
Nonstop4h 31m
Delta
Deal found 3/29![Delta logo]()
$251
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:10 am
LAX
- ORD
2 stops8h 20m
Southwest
Thu 4/233:45 pm
ORD
- LAX
1 stop8h 55m
Southwest
Deal found 3/25![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:35 am
LAX
- ORD
1 stop8h 29m
Delta
Thu 4/302:25 pm
ORD
- LAX
1 stop8h 05m
Delta
Deal found 3/26![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:50 am
LAX
- ORD
2 stops8h 30m
Southwest
Sat 5/92:05 pm
ORD
- LAX
2 stops9h 25m
Southwest
Deal found 3/29![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:20 pm
LAX
- ORD
2 stops7h 35m
Southwest
Sun 5/108:00 am
ORD
- LAX
1 stop6h 45m
Southwest
Deal found 3/27![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Tue 4/2810:30 am
ORD
- LAX
2 stops8h 55m
Southwest
Deal found 3/25![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:25 am
LAX
- ORD
2 stops14h 30m
Southwest
Mon 5/44:15 pm
ORD
- LAX
2 stops9h 05m
Southwest
Deal found 3/29![Southwest logo]()
$305
Last-minute flights from Irvine to O'Hare IntlDiscover last-minute flight deals from Irvine to O'Hare Intl. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to O'Hare Intl. Data last updated March 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:30 pm
LAX
- ORD
1 stop15h 45m
Spirit Airlines
Wed 4/156:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/25![Spirit Airlines logo]()
$183
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:53 am
LAX
- ORD
1 stop11h 06m
Multiple Airlines
Wed 4/156:16 pm
ORD
- LAX
1 stop7h 37m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 pm
LAX
- ORD
1 stop9h 47m
Spirit Airlines
Sun 4/195:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 3/28![Spirit Airlines logo]()
$178
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Thu 4/237:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/25![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:11 pm
LAX
- ORD
1 stop10h 57m
Frontier
Sun 4/197:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Tue 4/217:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 3/30![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:25 pm
LAX
- ORD
2 stops14h 58m
Multiple Airlines
Tue 4/217:21 pm
ORD
- LAX
Nonstop4h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:30 am
LAX
- ORD
1 stop9h 41m
Multiple Airlines
Thu 4/235:20 am
ORD
- LAX
1 stop9h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$177
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:36 pm
LAX
- ORD
Nonstop4h 14m
Multiple Airlines
Mon 4/205:15 am
ORD
- LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$175
This CheapOair deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Thu 4/232:00 pm
ORD
- LAX
Nonstop4h 27m
Spirit Airlines
Deal found 3/29![Spirit Airlines logo]()
$173
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:25 pm
LAX
- ORD
1 stop10h 00m
Spirit Airlines
Sun 4/265:15 am
ORD
- LAX
Nonstop4h 20m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
LAX
- ORD
1 stop9h 41m
Spirit Airlines
Sat 5/26:16 pm
ORD
- LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$174
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 March 30, 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 March 30, 2026.
This Super.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:00 pm
LAX
- ORD
1 stop8h 40m
Frontier
Deal found 3/30![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:13 pm
LAX
- ORD
1 stop7h 39m
Frontier
Deal found 3/30![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:59 pm
LAX
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 3/27![Spirit Airlines logo]()
$96
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:13 pm
LAX
- ORD
Nonstop3h 46m
Spirit Airlines
Deal found 3/27![Spirit Airlines logo]()
$97
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:31 am
LAX
- ORD
Nonstop4h 08m
Frontier
Deal found 3/27![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:53 am
LAX
- ORD
1 stop11h 06m
Frontier
Deal found 3/27![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:31 pm
LAX
- ORD
1 stop26h 06m
Frontier
Deal found 3/27![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
LAX
- ORD
1 stop12h 07m
Frontier
Deal found 3/30![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:28 pm
LAX
- ORD
1 stop14h 27m
Frontier
Deal found 3/28![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:59 pm
LAX
- ORD
Nonstop4h 21m
Frontier
Deal found 3/27![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:11 pm
LAX
- ORD
1 stop10h 14m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$105
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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (Frontier) |
One-way from | $94 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $352 |
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 March 30, 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
Thu 6/4
8:25 am-7:20 pm
1 stop8h 55m
Chicago O'Hare Intl
Mon 6/8
6:15 pm-8:46 pm
Nonstop4h 31m
$243
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 6/4
11:26 am-7:20 pm
1 stop5h 54m
Chicago O'Hare Intl
Tue 6/9
6:15 pm-8:46 pm
Nonstop4h 31m
$251
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 4/23
7:35 am-6:04 pm
1 stop8h 29m
Chicago O'Hare Intl
Thu 4/30
2:25 pm-8:30 pm
1 stop8h 05m
$253
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 5/11
5:20 am-3:30 pm
2 stops8h 10m
Chicago O'Hare Intl
Thu 5/14
3:45 pm-10:40 pm
1 stop8h 55m
$258
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 4/16
5:10 am-3:30 pm
2 stops8h 20m
Chicago O'Hare Intl
Thu 4/23
3:45 pm-10:40 pm
1 stop8h 55m
$258
Quickest round-trip
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 5/7
6:25 pm-12:34 am
Nonstop4h 09m
Chicago O'Hare Intl
Sun 5/10
8:40 am-11:23 am
Nonstop4h 43m
$269
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/2
11:50 am-10:20 pm
2 stops8h 30m
Chicago O'Hare Intl
Sat 5/9
2:05 pm-9:30 pm
2 stops9h 25m
$271
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 5/6
2:20 pm-11:55 pm
2 stops7h 35m
Chicago O'Hare Intl
Sun 5/10
8:00 am-12:45 pm
1 stop6h 45m
$294
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 4/24
7:25 am-11:55 pm
2 stops14h 30m
Chicago O'Hare Intl
Tue 4/28
10:30 am-5:25 pm
2 stops8h 55m
$301
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 5/1
7:25 am-11:55 pm
2 stops14h 30m
Chicago O'Hare Intl
Mon 5/4
4:15 pm-11:20 pm
2 stops9h 05m
$305
Showing 1-10 of 22 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 March 13, 2026.
The best time to book flights from Irvine to Chicago O'Hare Intl Airport is 30 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 month to book a flight from Irvine to Chicago O'Hare Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $97). Flying from Irvine to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $198). 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 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 March 30, 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 24% 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 March 28, 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 March 30, 2026.
The most flights from IR9 to ORD are scheduled on a Monday (112 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (71 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 March 30, 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
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
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 locationsSchaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
South Holland
Elk Grove Village
Libertyville
Warrenville
Oak Brook
Bridgeview
Beloit
Great Lakes
Lansing
Browse thousands of different options on Cheapflights for your next trip
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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 March 30, 2026.
Irvine and O'Hare Intl flights
Browse other Irvine and O'Hare Intl flight options. Last updated on March 30, 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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$190 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$166 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$375 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$201 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$353 | FlexibilityNo cancel fee | On-timeN/A |