Chicago

$85+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Apr 6 — Apr 131
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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”

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Cheapflights Tip: The best prices from Irvine to Chicago are usually found in February or October, booked 61 days in advance, depart on a Wednesday or Tuesday 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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$155
(Booking.com)

One-way from

$85
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$298
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)
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find 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 April 1, 2025.

This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:41 amLAX - ORD
Nonstop4h 01mSpirit Airlines
Tue 5/138:37 amORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 3/30$155
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:46 pmLAX - ORD
Nonstop4h 19mMultiple Airlines
Tue 5/279:02 pmORD - LAX
1 stop14h 54mMultiple Airlines
Deal found 3/31$162
This Southwest deal was found by Cheapflights users on 3/31. 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 4/305:20 pmLAX - MDW
Nonstop4h 05mSouthwest
Wed 5/76:40 amMDW - LAX
Nonstop4h 25mSouthwest
Deal found 3/31$179
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:45 amLAX - ORD
Nonstop4h 10mAmerican Airlines
Wed 5/71:33 pmORD - LAX
Nonstop4h 38mAmerican Airlines
Deal found 3/31$179
This CheapOair deal was found by Cheapflights users on 4/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/234:46 pmLAX - ORD
Nonstop4h 19mFrontier
Wed 5/286:10 amORD - LAX
Nonstop4h 34mFrontier
Deal found 4/1$193
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:23 amLAX - RFD
1 stop8h 23mMultiple Airlines
Sun 4/279:36 pmRFD - LAX
1 stop24h 23mMultiple Airlines
Deal found 4/1$229
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2510:43 amLAX - MDW
1 stop6h 23mFrontier
Mon 5/58:03 pmMDW - LAX
1 stop6h 27mFrontier
Deal found 4/1$234
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:20 amLAX - ORD
1 stop10h 36mAlaska Airlines
Sat 5/247:59 pmORD - LAX
1 stop13h 35mAlaska Airlines
Deal found 3/31$237
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/2512:45 amLAX - ORD
1 stop7h 38mDelta
Tue 4/293:30 pmORD - LAX
1 stop8h 31mDelta
Deal found 4/1$267
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3012:50 amLAX - MDW
1 stop5h 46mDelta
Sat 6/75:25 pmMDW - LAX
1 stop7h 26mDelta
Deal found 3/30$277
This Sun Country Air deal was found by Cheapflights users on 3/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:02 amLAX - ORD
1 stop8h 07mSun Country Air
Fri 6/66:17 pmORD - LAX
1 stop6h 27mSun Country Air
Deal found 3/30$285
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:30 amLAX - RFD
2 stops30h 38mAllegiant Air
Tue 6/2411:12 amRFD - LAX
2 stops29h 40mAllegiant Air
Deal found 3/31$625

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 April 1, 2025.
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

Fri 5/9

5:30 am-11:36 am

Nonstop4h 06m

Chicago O'Hare Intl

Mon 5/12

6:59 pm-9:30 pm

Nonstop4h 31m

$155

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 5/24

4:46 pm-11:05 pm

Nonstop4h 19m

Chicago O'Hare Intl

Tue 5/27

9:02 pm-9:56 am

1 stop14h 54m

$162

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Wed 4/30

5:20 pm-11:25 pm

Nonstop4h 05m

Chicago Midway

Wed 5/7

4:40 pm-7:10 pm

Nonstop4h 30m

$179

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 4/30

7:45 am-1:55 pm

Nonstop4h 10m

Chicago O'Hare Intl

Wed 5/7

1:33 pm-4:11 pm

Nonstop4h 38m

$179

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 5/23

4:46 pm-11:05 pm

Nonstop4h 19m

Chicago O'Hare Intl

Wed 5/28

6:10 am-8:44 am

Nonstop4h 34m

$193

Los AngelesChicago

LAX - RFD

LAXRFD

Los Angeles

Thu 4/24

10:23 am-8:46 pm

1 stop8h 23m

Chicago Greater Rockford

Sun 4/27

9:36 pm-7:59 pm

1 stop24h 23m

$229

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Fri 4/25

10:43 am-7:06 pm

1 stop6h 23m

Chicago Midway

Mon 4/28

8:01 pm-12:31 am

1 stop6h 30m

$234

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 5/20

11:20 am-11:56 pm

1 stop10h 36m

Chicago O'Hare Intl

Sat 5/24

7:59 pm-7:34 am

1 stop13h 35m

$237

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 4/25

12:45 am-10:23 am

1 stop7h 38m

Chicago O'Hare Intl

Tue 4/29

3:30 pm-10:01 pm

1 stop8h 31m

$267

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Fri 5/30

12:50 am-8:36 am

1 stop5h 46m

Chicago Midway

Tue 6/3

9:20 am-3:05 pm

1 stop7h 45m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 26 results
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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

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 March 28, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Chicago, you should look to book at least 61 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, August is the cheapest month in which you can book a flight from Irvine to Chicago (average of $245). Flying from Irvine to Chicago in March is currently the most expensive (average of $323). 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 April 1, 2025.

When flying from Irvine to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 March 30, 2025.

Travelers seeking maximum savings on their Irvine to Chicago 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

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 April 1, 2025.

The most flights from IR9 to CHI are scheduled on a Monday (110 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (51 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Irvine to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
  • 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 Spirit Airlines ($85), Frontier ($87), and Southwest ($90).

  • 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: Atlas Air (100%), Spirit Airlines (96%), Fiji Airways( 95%).

  • What are the cheapest flights from Irvine to Chicago?

    The cheapest flight price from Irvine to Chicago is $88. On average you can expect to pay $1,157. The most popular route, (Los Angeles - Chicago O'Hare Intl), can usually be booked for $122.

  • 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.

  • What is the cheapest month to book a flight from Irvine to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Irvine to Chicago (average of $245). Flying from Irvine to Chicago in March is currently the most expensive (average of $323). 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.

See more FAQs

Traveling to a place near Irvine?

Book flights to Irvine if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$49Average$120FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$74Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$89Average$213FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$426FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$161Average$429FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$179Average$398FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$183Average$377FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$469FlexibilityNo cancel feeOn-timeN/A

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