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$72+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CHI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Chicago are usually found in February or May, booked 61 days in advance, depart on a Wednesday or Thursday 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 July 3, 2025.

Round-trip from

$149
(Priceline)

One-way from

$72
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$301
From Irvine to Chicago (CHI)
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One-way flight from Irvine to Chicago (CHI)
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Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:02 pmLAX - MDW
1 stop8h 15mFrontier
Sun 8/176:20 amMDW - LAX
1 stop7h 47mFrontier
Deal found 6/30$149
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Wed 7/307:20 pmLAX - ORD
1 stop16h 53mSpirit Airlines
Wed 8/66:40 amORD - LAX
Nonstop4h 28mSpirit Airlines
Deal found 7/1$149
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:12 amLAX - ORD
1 stop9h 23mMultiple Airlines
Fri 8/225:10 amORD - LAX
1 stop8h 57mMultiple Airlines
Deal found 7/3$150
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/174:24 pmLAX - ORD
Nonstop4h 22mFrontier
Mon 7/215:01 amORD - LAX
1 stop9h 16mFrontier
Deal found 7/1$152
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sat 8/1611:15 pmLAX - MDW
Nonstop3h 55mSouthwest
Sat 8/238:50 pmMDW - LAX
Nonstop4h 20mSouthwest
Deal found 7/2$197
This Mytrip deal was found by Cheapflights users on 7/2. 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 9/256:45 amLAX - RFD
1 stop11h 02mMultiple Airlines
Sun 9/288:37 pmRFD - LAX
2 stops21h 35mMultiple Airlines
Deal found 7/2$223

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 July 3, 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 - MDW

LAXMDW

Los Angeles

Thu 7/31

1:02 pm-11:17 pm

1 stop8h 15m

Chicago Midway

Sun 8/17

6:20 am-12:07 pm

1 stop7h 47m

$149

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 7/30

7:20 pm-2:13 pm

1 stop16h 53m

Chicago O'Hare Intl

Wed 8/6

6:40 am-9:08 am

Nonstop4h 28m

$149

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Mon 8/11

12:12 am-11:35 am

1 stop9h 23m

Chicago O'Hare Intl

Fri 8/22

5:10 am-12:07 pm

1 stop8h 57m

$150

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 8/29

3:30 pm-12:32 am

1 stop7h 02m

Chicago O'Hare Intl

Sun 8/31

5:10 am-12:07 pm

1 stop8h 57m

$154

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sat 8/16

11:15 pm-5:10 am

Nonstop3h 55m

Chicago Midway

Sat 8/23

8:50 pm-11:10 pm

Nonstop4h 20m

$197

Los AngelesChicago

LAX - RFD

LAXRFD

Los Angeles

Thu 9/25

6:45 am-7:47 pm

1 stop11h 02m

Chicago Greater Rockford

Sun 9/28

8:37 pm-4:12 pm

2 stops21h 35m

$223

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 8/7

7:20 pm-6:03 am

1 stop8h 43m

$72

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Tue 7/22

10:25 pm-10:40 am

1 stop10h 15m

$74

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 7/31

1:02 pm-12:22 am

1 stop9h 20m

$74

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 8/2

3:48 pm-2:13 pm

1 stop20h 25m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 19 results
1
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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 June 27, 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 $321). 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 July 3, 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 June 29, 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 July 3, 2025.

The most flights from IR9 to CHI are scheduled on a Thursday (140 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($72), Frontier ($74), and Southwest ($99).

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

    Most travelers choose Los Angeles - Chicago O'Hare Intl, Los Angeles - Chicago Midway or Los Angeles - Chicago Greater Rockford when deciding on the best route 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: Austrian Airlines (98%), Spirit Airlines (98%), Air China( 90%).

  • What are the cheapest flights from Irvine to Chicago?

    The cheapest flight price from Irvine to Chicago is $77. On average you can expect to pay $1,122. The most popular route, (Los Angeles - Chicago O'Hare Intl), can usually be booked for $113.

  • 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 $321). 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
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Top 9 airlines flying from Irvine to Chicago

Discover the top 9 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$121FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$67Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$92Average$210FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$130Average$330FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$157Average$424FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$179Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$181Average$368FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$190Average$420FlexibilityNo cancel feeOn-time75%
DeltaCheapest$231Average$433FlexibilityNo cancel feeOn-timeN/A

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