$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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Feb 28 — Mar 71
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 Wednesday 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 January 29, 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 January 29, 2026.
This Frontier deal was found by Cheapflights users on 1/27. 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.
Thu 4/3011:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Thu 5/75:11 am
ORD
- LAX
1 stop10h 57m
Frontier
Deal found 1/27![Frontier logo]()
$179
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:07 pm
LAX
- ORD
1 stop11h 24m
Spirit Airlines
Sat 4/258:53 pm
ORD
- LAX
1 stop13h 22m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$180
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:11 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Fri 4/37:45 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 1/27![Frontier logo]()
$181
This Super.com deal was found by Cheapflights users on 1/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Mon 3/165:01 am
ORD
- LAX
1 stop10h 18m
Frontier
Deal found 1/29![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 1/27. 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.
Fri 3/1311:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Tue 3/177:31 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 1/27![Frontier logo]()
$183
This Expedia deal was found by Cheapflights users on 1/27. 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.
Thu 4/1612:51 am
LAX
- ORD
Nonstop3h 55m
Spirit Airlines
Sun 4/198:53 pm
ORD
- LAX
1 stop13h 22m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:59 pm
LAX
- ORD
1 stop9h 23m
Multiple Airlines
Tue 3/39:15 am
ORD
- LAX
1 stop8h 30m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/272:51 pm
LAX
- ORD
2 stops18h 00m
Multiple Airlines
Fri 3/67:39 pm
ORD
- LAX
Nonstop4h 27m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$186
This Frontier deal was found by Cheapflights users on 1/28. 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.
Sat 5/211:36 pm
LAX
- ORD
Nonstop4h 14m
Frontier
Tue 5/127:21 pm
ORD
- LAX
Nonstop4h 45m
Frontier
Deal found 1/28![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Thu 4/234:07 pm
LAX
- ORD
1 stop11h 24m
Spirit Airlines
Tue 4/288:53 pm
ORD
- LAX
1 stop13h 22m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$188
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:07 pm
LAX
- ORD
1 stop11h 24m
Spirit Airlines
Sun 4/198:53 pm
ORD
- LAX
1 stop13h 22m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:05 am
LAX
- ORD
1 stop7h 21m
Multiple Airlines
Sun 2/2212:56 pm
ORD
- LAX
1 stop20h 10m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$190
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (Frontier) |
One-way from | $94 (Spirit) |
Popular in | January |
Cheapest in | September |
Average price | $375 |
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 January 29, 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
Irvine
Fly to
O'Hare Intl
Route
Depart
Return
Price
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 4/8
11:02 pm-5:15 am
Nonstop4h 13m
Chicago O'Hare Intl
Sun 4/12
7:00 am-9:40 am
Nonstop4h 40m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 4/1
10:55 pm-8:30 am
1 stop7h 35m
Chicago O'Hare Intl
Tue 4/7
7:25 am-4:09 pm
1 stop10h 44m
$257
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 3/12
12:25 am-6:20 am
Nonstop3h 55m
Chicago O'Hare Intl
Fri 3/13
9:15 pm-11:59 pm
Nonstop4h 44m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 3/13
7:35 am-6:05 pm
1 stop8h 30m
Chicago O'Hare Intl
Wed 3/18
8:55 am-1:25 pm
1 stop6h 30m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 3/14
6:00 am-4:18 pm
1 stop8h 18m
Chicago O'Hare Intl
Wed 3/18
5:40 pm-10:45 pm
1 stop7h 05m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 3/20
6:50 pm-12:58 am
Nonstop4h 08m
Chicago O'Hare Intl
Sat 3/21
6:20 pm-9:12 pm
Nonstop4h 52m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 3/30
11:59 pm-8:40 am
1 stop6h 41m
Chicago O'Hare Intl
Wed 4/1
7:10 pm-11:55 pm
1 stop6h 45m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 3/13
11:30 pm-9:10 am
1 stop7h 40m
Chicago O'Hare Intl
Tue 3/17
7:10 pm-11:55 pm
1 stop6h 45m
$277
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 3/11
11:59 am-7:49 pm
1 stop5h 50m
Chicago O'Hare Intl
Fri 3/20
7:10 pm-11:55 pm
1 stop6h 45m
$278
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 3/10
6:00 am-11:59 pm
2 stops15h 59m
Chicago O'Hare Intl
Tue 3/17
7:00 am-3:36 pm
1 stop10h 36m
$288
Showing 1-10 of 24 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 January 23, 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, 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 January 29, 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 in the morning.
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 January 24, 2026.
Travelers seeking maximum savings on their Irvine to Chicago O'Hare Intl Airport flight should consider departing on Saturday 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 January 29, 2026.
The most flights from IR9 to ORD are scheduled on a Thursday (89 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (67 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 January 29, 2026.
Peruse reviews from past customers who have flown with Delta, 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.
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora
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 9 airlines flying from Irvine to O'Hare Intl
Discover the top 9 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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$189 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$86 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$323 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$166 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$390 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$203 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$375 | FlexibilityNo cancel fee | On-timeN/A |