$77+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Jan 14 — Jan 211
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 February, booked 71 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Irvine to O'Hare Intl
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 December 15, 2025.
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 December 15, 2025.
This Expedia deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” 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.
Thu 12/259:41 amLAX - ORD
Nonstop4h 08mFrontier
Thu 1/19:33 pmORD - LAX
1 stop12h 42mFrontier
Deal found 12/13![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/2511:59 pmLAX - ORD
Nonstop4h 06mMultiple Airlines
Thu 1/19:33 pmORD - LAX
1 stop12h 42mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$159
This CheapOair deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” 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 12/253:58 pmLAX - ORD
1 stop6h 14mFrontier
Thu 1/88:35 amORD - LAX
1 stop30h 13mFrontier
Deal found 12/12![Frontier logo]()
$166
This Trip.com deal was found by Cheapflights users on 12/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmLAX - ORD
Nonstop4h 06mMultiple Airlines
Sun 1/410:49 pmORD - LAX
1 stop20h 15mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” 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 12/259:41 amLAX - ORD
Nonstop4h 08mMultiple Airlines
Sun 1/47:44 pmORD - LAX
Nonstop4h 45mMultiple Airlines
Deal found 12/13![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” 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 12/259:41 amLAX - ORD
Nonstop4h 08mFrontier
Sun 1/410:49 pmORD - LAX
1 stop23h 42mFrontier
Deal found 12/13![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:59 pmLAX - ORD
Nonstop4h 06mMultiple Airlines
Mon 1/52:57 pmORD - LAX
1 stop10h 21mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/3111:59 pmLAX - ORD
Nonstop4h 06mMultiple Airlines
Wed 1/142:18 pmORD - LAX
1 stop9h 32mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$176
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmLAX - ORD
Nonstop4h 06mSpirit Airlines
Tue 1/67:44 pmORD - LAX
Nonstop4h 45mSpirit Airlines
Deal found 12/14![Spirit Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” 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 12/3112:30 pmLAX - ORD
1 stop9h 42mFrontier
Wed 1/145:57 pmORD - LAX
2 stops31h 17mFrontier
Deal found 12/12![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:59 amLAX - ORD
1 stop8h 27mFrontier
Thu 12/256:02 pmORD - LAX
Nonstop4h 39mFrontier
Deal found 12/14![Frontier logo]()
$181
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 December 15, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $137 (Kiwi.com) |
One-way from | $77 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $369 |
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 December 15, 2025.
Use the filters below to find and compare flights from Irvine to Chicago O'Hare Intl Airport that are best for you.
Fly from
Irvine
Fly to
O'Hare Intl
Route
Depart
Return
Price
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 2/12
12:43 pm-6:55 pm
Nonstop4h 12m
Chicago O'Hare Intl
Wed 2/18
6:20 pm-9:09 pm
Nonstop4h 49m
$278
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sun 2/1
6:15 am-6:32 pm
1 stop10h 17m
Chicago O'Hare Intl
Wed 2/4
9:40 am-5:19 pm
1 stop9h 39m
$288
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 1/20
11:20 am-11:50 pm
1 stop10h 30m
Chicago O'Hare Intl
Thu 1/22
3:35 pm-11:55 pm
2 stops10h 20m
$297
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 2/14
8:35 am-10:35 pm
2 stops12h 00m
Chicago O'Hare Intl
Wed 2/18
7:15 am-4:15 pm
2 stops11h 00m
$313
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 1/14
9:55 am-9:52 pm
2 stops9h 57m
Chicago O'Hare Intl
Sun 1/18
1:55 pm-9:00 pm
1 stop9h 05m
$325
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 1/6
11:06 am-11:59 pm
2 stops10h 53m
Chicago O'Hare Intl
Tue 1/13
8:00 am-5:22 pm
2 stops11h 22m
$333
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 1/17
7:45 pm-2:38 pm
2 stops16h 53m
Chicago O'Hare Intl
Tue 1/20
6:06 pm-9:38 am
2 stops17h 32m
$333
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 1/10
5:48 pm-2:29 pm
2 stops18h 41m
Chicago O'Hare Intl
Tue 1/13
8:00 am-5:22 pm
2 stops11h 22m
$334
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 1/16
9:55 am-9:52 pm
2 stops9h 57m
Chicago O'Hare Intl
Sun 1/18
5:30 am-12:11 pm
1 stop8h 41m
$335
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 2/6
9:15 am-11:50 pm
2 stops12h 35m
Chicago O'Hare Intl
Tue 2/10
8:00 am-5:22 pm
2 stops11h 22m
$343
Showing 1-10 of 20 results
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.
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
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 December 12, 2025.
The best time to book flights from Irvine to Chicago O'Hare Intl Airport is 71 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, March is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $77). Flying from Irvine to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $147). 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 December 15, 2025.
It’s optimal to fly from Irvine to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 23% 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 December 16, 2024.
Travelers seeking maximum savings on their Irvine to Chicago O'Hare Intl Airport flight should consider departing on Wednesday evenings 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 December 15, 2025.
The most flights from IR9 to ORD are scheduled on a Monday (90 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
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 December 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines, and American 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
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
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Irvine to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 December 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$194 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$214 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$330 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$179 | Average$403 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$441 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$199 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$376 | FlexibilityNo cancel fee | On-timeN/A |