$83+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Feb 14 — Feb 211
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 August, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Friday
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 15, 2026.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $165 (Kiwi.com) |
One-way from | $83 (Cheapflightsfares) |
Popular in | January |
Cheapest in | September |
Average price | $356 |
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 15, 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 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/129:16 pm
LAX
- MDW
2 stops14h 37m
Frontier
Mon 2/168:58 pm
MDW
- LAX
1 stop20h 47m
Frontier
Deal found 1/14![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 1/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/41:56 pm
LAX
- ORD
1 stop26h 35m
Frontier
Sat 2/76:03 am
ORD
- LAX
1 stop8h 47m
Frontier
Deal found 1/13![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 1/13. 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 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 3/167:39 pm
ORD
- LAX
Nonstop4h 27m
Frontier
Deal found 1/13![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Fri 2/1312:56 pm
LAX
- MDW
1 stop8h 45m
Frontier
Mon 2/168:58 pm
MDW
- LAX
1 stop20h 47m
Frontier
Deal found 1/14![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 1/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:18 pm
LAX
- ORD
1 stop10h 36m
Spirit Airlines
Tue 2/249:18 am
ORD
- LAX
1 stop11h 05m
Spirit Airlines
Deal found 1/14![Spirit Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Fri 2/1312:56 pm
LAX
- MDW
1 stop8h 45m
Frontier
Sun 2/223:21 pm
MDW
- LAX
1 stop17h 45m
Frontier
Deal found 1/14![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 1/13. 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.
Wed 2/257:18 pm
LAX
- ORD
1 stop10h 36m
Spirit Airlines
Sat 2/288:59 am
ORD
- LAX
1 stop11h 24m
Spirit Airlines
Deal found 1/13![Spirit Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 3/59:21 pm
LAX
- MDW
1 stop23h 20m
Frontier
Wed 3/1111:25 am
MDW
- LAX
2 stops14h 52m
Frontier
Deal found 1/15![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:01 pm
LAX
- ORD
Nonstop3h 48m
Frontier
Fri 4/105:05 am
ORD
- LAX
1 stop9h 42m
Frontier
Deal found 1/12![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/58:57 pm
LAX
- MDW
1 stop17h 01m
Frontier
Fri 2/206:48 pm
MDW
- LAX
2 stops31h 42m
Frontier
Deal found 1/15![Frontier logo]()
$170
This Expedia deal was found by Cheapflights users on 1/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:16 pm
LAX
- ORD
1 stop18h 10m
Frontier
Wed 2/188:10 am
ORD
- LAX
1 stop9h 35m
Frontier
Deal found 1/12![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Wed 2/254:40 pm
LAX
- MDW
2 stops26h 32m
Frontier
Sat 2/289:15 am
MDW
- LAX
1 stop10h 25m
Frontier
Deal found 1/14![Frontier logo]()
$171
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 15, 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 - ORD
LAXORD
Los Angeles
Thu 5/21
12:51 am-6:46 am
Nonstop3h 55m
Chicago O'Hare Intl
Mon 5/25
6:00 am-8:34 am
Nonstop4h 34m
$179
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 3/16
9:58 am-11:20 pm
1 stop11h 22m
Chicago Midway
Wed 3/18
6:00 am-1:19 pm
1 stop9h 19m
$224
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 3/11
8:05 am-3:10 pm
1 stop5h 05m
Chicago Midway
Wed 3/18
9:20 pm-11:55 pm
Nonstop4h 35m
$248
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/23
8:05 am-10:43 pm
1 stop12h 38m
Chicago O'Hare Intl
Mon 5/25
6:00 am-8:34 am
Nonstop4h 34m
$256
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 4/7
3:53 pm-6:39 am
1 stop12h 46m
Chicago O'Hare Intl
Tue 4/14
8:00 am-2:11 pm
1 stop8h 11m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 3/13
3:50 pm-9:40 pm
Nonstop3h 50m
Chicago Midway
Tue 3/17
9:20 pm-11:55 pm
Nonstop4h 35m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 3/13
3:50 pm-9:40 pm
Nonstop3h 50m
Chicago Midway
Wed 3/18
7:05 am-9:40 am
Nonstop4h 35m
$257
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Tue 3/10
11:55 pm-5:55 am
Nonstop4h 00m
Chicago Midway
Sun 3/15
6:30 am-9:05 am
Nonstop4h 35m
$258
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 3/16
9:58 am-11:20 pm
1 stop11h 22m
Chicago Midway
Thu 3/19
6:00 am-1:19 pm
1 stop9h 19m
$259
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 2/9
6:15 am-7:31 pm
1 stop11h 16m
Chicago O'Hare Intl
Tue 2/10
9:40 am-8:51 pm
1 stop13h 11m
$261
Showing 1-10 of 59 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 9, 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 15, 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 10, 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 15, 2026.
The most flights from IR9 to CHI are scheduled on a Thursday (90 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (67 on average).
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 15, 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.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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
Browse thousands of different options on Cheapflights for your next trip
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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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$197 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$85 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$323 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$179 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$441 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$201 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$363 | FlexibilityNo cancel fee | On-timeN/A |