$81+ Cheap flights from Irvine, CA to Chicago (CHI)
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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Feb 7 — Feb 141
1 adult, Economy
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Find cheap flights from Irvine to Chicago 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 are usually found in September or February, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Irvine to Chicago
Keep the following information in mind while searching for Irvine to Chicago flight deals. Data was last updated January 8, 2026.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $156 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $352 |
Find flight deals from Irvine to Chicago
Cheapest flights from Irvine to ChicagoExplore the most affordable flight options available from Irvine to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.
Explore the most affordable flight options available from Irvine to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 2/129:21 pmLAX - MDW
1 stop20h 39mMultiple Airlines
Mon 2/163:24 pmMDW - LAX
2 stops18h 51mMultiple Airlines
Deal found 1/5![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 2/58:57 pmLAX - MDW
1 stop17h 01mMultiple Airlines
Mon 2/97:00 pmMDW - LAX
2 stops28h 20mMultiple Airlines
Deal found 1/5![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/56:30 amLAX - ORD
1 stop10h 01mMultiple Airlines
Thu 2/127:00 amORD - LAX
1 stop13h 23mMultiple Airlines
Deal found 1/6![Multiple Airlines logo]()
$159
This Expedia deal was found by Cheapflights users on 1/8. 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 2/211:50 pmLAX - MDW
1 stop29h 39mFrontier
Sat 3/74:46 pmMDW - LAX
1 stop27h 15mFrontier
Deal found 1/8![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 1/6. 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 3/1011:21 pmLAX - ORD
Nonstop4h 08mFrontier
Tue 4/76:12 pmORD - LAX
Nonstop4h 39mFrontier
Deal found 1/6![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 1/6. 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 3/1211:21 pmLAX - ORD
Nonstop4h 08mFrontier
Sat 3/147:39 pmORD - LAX
Nonstop4h 47mFrontier
Deal found 1/6![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/184:40 pmLAX - MDW
1 stop29h 01mMultiple Airlines
Sun 2/223:00 pmMDW - LAX
1 stop29h 23mMultiple Airlines
Deal found 1/8![Multiple Airlines logo]()
$162
This eDestinos deal was found by Cheapflights users on 1/7. 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.
Fri 1/232:48 pmLAX - ORD
1 stop24h 03mFrontier
Mon 1/265:40 amORD - LAX
1 stop9h 10mFrontier
Deal found 1/7![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/72:51 pmLAX - MDW
1 stop30h 22mMultiple Airlines
Mon 2/99:45 amMDW - LAX
1 stop8h 34mMultiple Airlines
Deal found 1/8![Multiple Airlines logo]()
$163
This Expedia deal was found by Cheapflights users on 1/7. 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 4/19:41 amLAX - ORD
Nonstop4h 17mFrontier
Tue 4/710:12 amORD - LAX
1 stop9h 51mFrontier
Deal found 1/7![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/69:58 amLAX - ORD
1 stop12h 55mFrontier
Wed 3/117:39 pmORD - LAX
Nonstop4h 27mFrontier
Deal found 1/7![Frontier logo]()
$164
This CheapOair deal was found by Cheapflights users on 1/6. 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 2/512:46 pmLAX - MDW
1 stop7h 33mFrontier
Wed 2/116:15 amMDW - LAX
1 stop8h 40mFrontier
Deal found 1/6![Frontier logo]()
$165
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to Chicago 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 8, 2026.
Use the filters below to find and compare flights from Irvine to Chicago that are best for you.
Fly from
Irvine
Fly to
Chicago
Route
Depart
Return
Price
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 4/8
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Wed 4/15
8:50 pm-11:15 pm
Nonstop4h 25m
$223
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 1/28
6:50 pm-12:58 am
Nonstop4h 08m
Chicago O'Hare Intl
Wed 2/4
6:30 pm-9:16 pm
Nonstop4h 46m
$223
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 2/18
10:55 pm-4:55 am
Nonstop4h 00m
Chicago Midway
Mon 2/23
8:35 pm-11:15 pm
Nonstop4h 40m
$223
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 1/28
12:40 pm-6:52 pm
Nonstop4h 12m
Chicago O'Hare Intl
Wed 2/18
9:00 am-11:57 am
Nonstop4h 57m
$223
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 2/5
2:15 pm-8:25 pm
Nonstop4h 10m
Chicago O'Hare Intl
Thu 2/12
9:15 pm-12:04 am
Nonstop4h 49m
$223
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 2/28
9:56 am-9:52 pm
2 stops9h 56m
Chicago O'Hare Intl
Tue 3/3
7:40 am-1:55 pm
1 stop8h 15m
$225
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Wed 2/4
4:07 pm-12:34 pm
1 stop18h 27m
Chicago Greater Rockford
Sun 2/8
1:24 pm-8:22 am
1 stop20h 58m
$230
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Wed 1/28
4:07 pm-12:34 pm
1 stop18h 27m
Chicago Greater Rockford
Wed 2/4
2:05 pm-8:51 am
1 stop20h 46m
$231
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Thu 1/29
7:00 am-4:30 pm
1 stop7h 30m
Chicago Midway
Tue 2/3
8:15 am-10:55 am
Nonstop4h 40m
$233
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 4/27
11:55 pm-5:50 am
Nonstop3h 55m
Chicago Midway
Wed 4/29
6:30 am-10:30 am
1 stop6h 00m
$233
Showing 1-10 of 60 results
Best time to book a flight from Irvine to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago 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
How far ahead should I book a flight from Irvine to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Chicago. Price data was last updated on January 2, 2026.
To ensure you get the cheapest price possible for a flight from Irvine to Chicago, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to Chicago?
Currently, March is the cheapest month in which you can book a flight from Irvine to Chicago (average of $77). Flying from Irvine to Chicago 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 CHI?
Find hourly flight availability from Irvine to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 8, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Irvine to Chicago by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Irvine to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Chicago. Price data was last updated on January 3, 2026.
Travelers seeking maximum savings on their Irvine to Chicago flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to Chicago
Explore weekly flight availability from Irvine to Chicago. 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 8, 2026.
The most flights from IR9 to CHI are scheduled on a Thursday (91 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (69 on average).
How much does it cost to fly round-trip from Irvine to Chicago?
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated January 8, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Irvine to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Irvine to Chicago. 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?
Book flights to Chicago if you plan to visit one of these locationsLansing
Merrillville
Hammond
Porter
Benton Harbor
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Alternative routes for Irvine to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Irvine to Chicago
Discover the top 8 airlines that operate flights from Irvine to Chicago. 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$199 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$330 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$179 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$441 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$201 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$364 | FlexibilityNo cancel fee | On-timeN/A |