Chicago

$104+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Jul 2 — Jul 91
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Cheapflights Tip: The best prices from Irvine to Chicago are usually found in September or August, booked 75 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Irvine to Chicago

Cheapest flights from Irvine to Chicago
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 June 2, 2026.

This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:20 pm
LAX
-
MDW
1 stop5h 30m
Southwest
Wed 7/225:30 am
MDW
-
LAX
Nonstop4h 15m
Southwest
Deal found 5/28$211
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:30 am
LAX
-
ORD
Nonstop4h 16m
United Airlines
Sat 8/227:00 am
ORD
-
LAX
Nonstop4h 35m
United Airlines
Deal found 5/30$211
This Southwest deal was found by Cheapflights users on 5/31. 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.
Tue 8/117:30 am
LAX
-
MDW
1 stop6h 40m
Southwest
Wed 8/199:25 am
MDW
-
LAX
1 stop5h 40m
Southwest
Deal found 5/31$212
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Mon 8/249:48 pm
ORD
-
LAX
1 stop13h 10m
Frontier
Deal found 5/30$212
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Sat 8/86:27 pm
LAX
-
ORD
1 stop8h 33m
Multiple Airlines
Wed 8/129:13 pm
ORD
-
LAX
Nonstop4h 44m
Multiple Airlines
Deal found 5/28$213
This Southwest deal was found by Cheapflights users on 5/31. 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 8/196:45 am
LAX
-
MDW
1 stop6h 00m
Southwest
Sat 8/228:45 pm
MDW
-
LAX
Nonstop4h 20m
Southwest
Deal found 5/31$214
This Delta deal was found by Cheapflights users on 6/1. 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.
Sat 9/129:00 am
LAX
-
ORD
1 stop5h 48m
Delta
Tue 9/157:25 am
ORD
-
LAX
Nonstop4h 28m
Delta
Deal found 6/1$214
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:10 pm
LAX
-
MDW
1 stop6h 35m
Southwest
Tue 8/112:15 pm
MDW
-
LAX
1 stop6h 35m
Southwest
Deal found 5/28$215
This Frontier deal was found by Cheapflights users on 5/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Tue 7/149:13 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 5/29$215
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:05 am
LAX
-
MDW
1 stop6h 05m
Southwest
Wed 8/199:25 am
MDW
-
LAX
1 stop5h 40m
Southwest
Deal found 5/28$216
This Frontier deal was found by Cheapflights users on 6/1. 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 7/611:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Wed 7/159:13 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 6/1$216
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 9/911:45 pm
LAX
-
MDW
1 stop6h 53m
Delta
Tue 9/157:13 pm
MDW
-
LAX
1 stop6h 39m
Delta
Deal found 6/1$217

Find flight deals from Irvine to Chicago

Keep the following information in mind while searching for Irvine to Chicago flight deals. Data was last updated June 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(Southwest)

One-way from

$104
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$353
Provider with most accurate pricing for Los Angeles-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Chicago (CHI) flights.
From Irvine to Chicago (CHI)
One-way flight from Irvine to Chicago (CHI)
Highest demand for flights based on searches. 13% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 2, 2026.
Use the filters below to find and compare flights from Irvine to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 8/4

7:35 am-1:41 pm

Nonstop4h 06m

Chicago O'Hare Intl

Mon 8/17

7:44 pm-11:43 pm

1 stop5h 59m

$235

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 7/8

5:15 pm-11:18 pm

Nonstop4h 03m

Chicago O'Hare Intl

Tue 7/28

6:30 am-11:10 am

1 stop6h 40m

$249

Los AngelesChicago

LAX - RFD

LAXRFD

Los Angeles

Wed 7/22

6:30 am-12:24 pm

1 stop27h 54m

Chicago Greater Rockford

Mon 7/27

9:13 pm-1:01 pm

1 stop17h 48m

$250

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 8/19

8:15 am-5:41 pm

1 stop7h 26m

Chicago O'Hare Intl

Wed 8/26

7:44 pm-11:43 pm

1 stop5h 59m

$259

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 8/8

5:46 pm-11:48 pm

Nonstop4h 02m

Chicago O'Hare Intl

Thu 8/13

5:57 pm-11:53 pm

1 stop7h 56m

$261

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 8/5

5:46 pm-11:48 pm

Nonstop4h 02m

Chicago O'Hare Intl

Thu 8/6

6:25 am-11:00 am

1 stop6h 35m

$265

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 8/4

6:00 am-4:24 pm

1 stop8h 24m

Chicago O'Hare Intl

Thu 8/6

7:25 am-9:50 am

Nonstop4h 25m

$265

Los AngelesChicago

LAX - RFD

LAXRFD

Los Angeles

Thu 7/30

1:56 pm-8:23 pm

1 stop28h 27m

Chicago Greater Rockford

Mon 8/3

9:13 pm-1:01 pm

1 stop17h 48m

$270

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 7/7

7:15 am-4:23 pm

1 stop7h 08m

Chicago O'Hare Intl

Sat 7/11

7:29 am-10:00 am

Nonstop4h 31m

$277

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 7/25

5:15 pm-11:18 pm

Nonstop4h 03m

Chicago O'Hare Intl

Tue 7/28

6:30 am-11:10 am

1 stop6h 40m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 June 2, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 23% on flights from Irvine to Chicago by exploring options for tickets in the afternoon.

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 June 2, 2026.

The most flights from IR9 to CHI are scheduled on a Monday (134 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (56 on average).

How much does it cost to fly round-trip from Irvine to Chicago?

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 May 30, 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.

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 June 2, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.2
Okay

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.
  • How long is the flight from Irvine to Chicago?

    Departing from Irvine to Chicago will take you 4h 06m. Irvine and Chicago are separated by a distance of 1740 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Irvine to Chicago one-way?

    The cheapest airlines for a one-way flight from Irvine to Chicago are Frontier ($53), American Airlines ($99), and United Airlines ($103).

  • What are the most popular routes from Irvine to Chicago?

  • What are the most reliable airlines from Irvine to Chicago?

    Before booking your flight to Chicago from Irvine, check out the most reliable airlines to get you to your destination on time: ITA Airways (100%), Air China (92%), Asiana Airlines( 91%).

  • What are the cheapest flights from Irvine to Chicago?

    The cheapest flight price from Irvine to Chicago is $109. On average you can expect to pay $1,070. The most popular route, (Los Angeles - Chicago O'Hare Intl), can usually be booked for $152.

  • Can I find deals for flights from Irvine to Chicago that include hotel bookings?

    Yes. In addition to deals on Irvine to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Chicago.

  • Can I find deals for business class flights from Irvine to Chicago?

    Yes. Cheapflights offers flight deals from Irvine to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Hammond
Porter

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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 7 airlines flying from Irvine to Chicago

Discover the top 7 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 June 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$261FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$166Average$344FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$179Average$417FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$182Average$437FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$375FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$203Average$409FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$288Average$487FlexibilityNo cancel feeOn-time75%

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