How long is the flight from Irvine to Chicago?

Departing from Irvine to Chicago will take you 4h 05m. Irvine and Chicago are separated by a distance of 1746 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 Spirit Airlines ($30), Frontier ($52), and Southwest ($98).

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.

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).

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 cheapest flights from Irvine to Chicago?

The cheapest flight price from Irvine to Chicago is $79. On average you can expect to pay $923. The most popular route, (Los Angeles - Chicago O'Hare Intl), can usually be booked for $89.

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: China Southern (82%), Lufthansa (81%), Iberia( 79%).

What are the most popular airlines that fly from Irvine to Chicago?

American Airlines, United Airlines and Spirit Airlines are the most popular airlines when flying from Irvine to Chicago.

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.

$80+ Flights from Irvine to Chicago

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

Airfare is below average for this route at the moment. Irvine to Chicago flights typically cost between $211 and $417 in January. The cheapest round-trip price found within the last 3 days was $150 on Multiple Airlines (Jan 17-Jan 24).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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 December 28, 2025.

Wed 12/319:41 amLAX - ORD

Nonstop4h 08mFrontier

Sun 1/410:49 pmORD - LAX

1 stop15h 27mFrontier

Deal found 12/26

$295

Mon 12/298:37 amLAX - ORD

1 stop11h 47mFrontier

Sat 1/109:15 amORD - LAX

1 stop10h 33mFrontier

Deal found 12/25

$300

Sat 12/279:41 amLAX - ORD

Nonstop4h 08mFrontier

Sat 1/109:15 amORD - LAX

1 stop10h 33mFrontier

Deal found 12/25

$303

Wed 12/319:41 amLAX - ORD

Nonstop4h 08mFrontier

Mon 1/57:00 amORD - LAX

1 stop19h 30mFrontier

Deal found 12/26

$311

Wed 12/319:41 amLAX - ORD

Nonstop4h 08mFrontier

Tue 1/611:59 amORD - LAX

1 stop26h 49mFrontier

Deal found 12/25

$315

Mon 12/2910:59 amLAX - ORD

1 stop8h 27mFrontier

Sat 1/318:00 amORD - LAX

1 stop8h 02mFrontier

Deal found 12/26

$334

Mon 12/298:37 amLAX - MDW

1 stop11h 35mFrontier

Sat 1/106:10 amMDW - LAX

1 stop8h 55mFrontier

Deal found 12/25

$353

Tue 12/308:37 amLAX - MDW

1 stop11h 35mFrontier

Mon 1/52:16 pmMDW - LAX

1 stop24h 32mFrontier

Deal found 12/26

$354

Sat 12/278:37 amLAX - ORD

1 stop7h 56mFrontier

Sat 1/318:00 amORD - LAX

1 stop8h 02mFrontier

Deal found 12/26

$354

Wed 12/319:41 amLAX - ORD

Nonstop4h 08mMultiple Airlines

Tue 1/67:44 pmORD - LAX

Nonstop4h 45mMultiple Airlines

Deal found 12/25

$357

Mon 12/299:20 pmLAX - RFD

1 stop12h 05mMultiple Airlines

Sat 1/312:15 pmRFD - LAX

1 stop21h 03mMultiple Airlines

Deal found 12/26

$367

Sat 12/275:50 amLAX - MDW

1 stop7h 38mFrontier

Sat 1/106:10 amMDW - LAX

1 stop8h 55mFrontier

Deal found 12/25

$373

Best flights from Irvine to Chicago
Discover carefully curated flight deals from Irvine to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Tue 3/106:30 pmLAX - ORD

1 stop9h 38mFrontier

Tue 3/177:00 amORD - LAX

1 stop8h 52mFrontier

Deal found 12/27

$174

Sat 1/175:55 amLAX - MDW

Nonstop4h 05mSouthwest

Sat 1/248:25 amMDW - LAX

Nonstop4h 45mSouthwest

Deal found 12/27

$209

Fri 1/239:17 amLAX - ORD

1 stop9h 12mMultiple Airlines

Mon 1/269:00 amORD - LAX

2 stops10h 05mMultiple Airlines

Deal found 12/27

$214

Sat 1/1712:40 pmLAX - ORD

Nonstop4h 12mUnited Airlines

Wed 2/44:10 pmORD - LAX

Nonstop4h 37mUnited Airlines

Deal found 12/27

$241

Fri 1/237:00 amLAX - ORD

1 stop10h 36mJetBlue

Fri 1/309:15 amORD - LAX

1 stop13h 43mJetBlue

Deal found 12/27

$261

Sun 1/187:00 amLAX - ORD

1 stop8h 10mAlaska Airlines

Tue 1/278:00 amORD - LAX

2 stops11h 22mAlaska Airlines

Deal found 12/26

$287

Sun 1/186:00 amLAX - MDW

1 stop9h 34mDelta

Tue 1/279:32 amMDW - LAX

1 stop7h 14mDelta

Deal found 12/27

$300

Fri 1/2312:46 pmLAX - MDW

1 stop7h 33mFrontier

Mon 1/269:45 amMDW - LAX

1 stop8h 34mFrontier

Deal found 12/27

$210

Sun 1/187:00 amLAX - MDW

1 stop7h 30mSouthwest

Tue 1/272:10 pmMDW - LAX

Nonstop4h 40mSouthwest

Deal found 12/25

$251

Fri 1/232:51 pmLAX - MDW

2 stops15h 52mMultiple Airlines

Mon 1/269:45 amMDW - LAX

1 stop8h 34mMultiple Airlines

Deal found 12/27

$266

Tue 2/38:00 amLAX - ORD

1 stop9h 36mJetBlue

Fri 2/276:04 amORD - LAX

1 stop13h 31mJetBlue

Deal found 12/25

$288

Sun 1/185:45 amLAX - ORD

1 stop5h 45mSouthwest

Tue 1/277:15 amORD - LAX

2 stops8h 35mSouthwest

Deal found 12/27

$266

Wed 3/189:56 amLAX - ORD

2 stops9h 38mDelta

Wed 3/252:20 pmORD - LAX

1 stop8h 15mDelta

Deal found 12/26

$316

Fri 1/2311:06 amLAX - ORD

2 stops10h 44mAlaska Airlines

Mon 1/268:00 amORD - LAX

2 stops11h 22mAlaska Airlines

Deal found 12/27

$333

Sat 1/179:00 amLAX - MDW

2 stops7h 30mSouthwest

Sun 1/254:40 pmMDW - LAX

Nonstop4h 40mSouthwest

Deal found 12/27

$281

Tue 1/138:00 amLAX - ORD

1 stop9h 36mJetBlue

Tue 1/279:40 amORD - LAX

1 stop13h 18mJetBlue

Deal found 12/25

$320

Tue 1/138:00 amLAX - ORD

1 stop9h 36mJetBlue

Sat 1/179:40 amORD - LAX

1 stop9h 39mJetBlue

Deal found 12/25

$320

Thu 1/81:08 pmLAX - RFD

1 stop26h 18mMultiple Airlines

Sun 1/111:24 pmRFD - LAX

1 stop7h 57mMultiple Airlines

Deal found 12/27

$356

Thu 3/262:45 pmLAX - MDW

1 stop6h 05mSouthwest

Wed 4/17:05 amMDW - LAX

Nonstop4h 35mSouthwest

Deal found 12/27

$301

Sat 1/1011:00 pmLAX - MDW

Nonstop4h 00mSouthwest

Sat 1/177:45 pmMDW - LAX

Nonstop4h 45mSouthwest

Deal found 12/27

$310

Tue 3/1011:30 amLAX - ORD

2 stops9h 25mSouthwest

Tue 3/174:50 pmORD - LAX

2 stops7h 45mSouthwest

Deal found 12/27

$335

Fri 1/23:30 pmLAX - RFD

1 stop17h 55mMultiple Airlines

Thu 1/81:24 pmRFD - LAX

1 stop8h 12mMultiple Airlines

Deal found 12/27

$527

Last-minute flights from Irvine to Chicago
Discover last-minute flight deals from Irvine to Chicago. Data last updated December 28, 2025 and is based on user searches.

Wed 1/143:32 pmLAX - ORD

1 stop27h 39mFrontier

Mon 1/269:00 amORD - LAX

1 stop10h 20mFrontier

Deal found 12/27

$152

Wed 1/143:32 pmLAX - ORD

1 stop27h 39mFrontier

Sun 1/182:30 pmORD - LAX

1 stop8h 02mFrontier

Deal found 12/27

$153

Thu 1/159:17 amLAX - ORD

1 stop9h 54mMultiple Airlines

Sun 1/182:30 pmORD - LAX

1 stop8h 02mMultiple Airlines

Deal found 12/26

$150

Thu 1/159:17 amLAX - ORD

1 stop9h 54mMultiple Airlines

Sat 1/176:02 pmORD - LAX

1 stop21h 30mMultiple Airlines

Deal found 12/27

$157

Fri 1/168:37 pmLAX - ORD

1 stop19h 47mFrontier

Mon 1/197:31 pmORD - LAX

1 stop17h 23mFrontier

Deal found 12/26

$151

Fri 1/1612:30 amLAX - ORD

Nonstop4h 00mUnited Airlines

Tue 1/201:00 pmORD - LAX

Nonstop4h 31mUnited Airlines

Deal found 12/26

$159

Sat 1/175:45 pmLAX - ORD

1 stop23h 51mMultiple Airlines

Wed 2/43:22 pmORD - LAX

1 stop22h 29mMultiple Airlines

Deal found 12/27

$154

Sat 1/176:44 pmLAX - ORD

1 stop16h 36mMultiple Airlines

Tue 1/202:18 pmORD - LAX

2 stops20h 04mMultiple Airlines

Deal found 12/26

$155

Sat 1/175:55 amLAX - MDW

Nonstop4h 05mSouthwest

Tue 1/204:10 pmMDW - LAX

1 stop7h 15mSouthwest

Deal found 12/26

$156

Sun 1/186:01 amLAX - ORD

1 stop13h 23mMultiple Airlines

Tue 1/275:53 pmORD - LAX

1 stop20h 40mMultiple Airlines

Deal found 12/27

$158

Thu 1/228:20 amLAX - ORD

1 stop12h 22mMultiple Airlines

Sat 1/248:00 amORD - LAX

1 stop8h 02mMultiple Airlines

Deal found 12/27

$156

Thu 1/2912:46 pmLAX - MDW

1 stop7h 33mFrontier

Sun 2/17:30 amMDW - LAX

1 stop11h 59mFrontier

Deal found 12/25

$155

One-way flights from Irvine to Chicago
Search for one-way flight options from Irvine to Chicago. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Wed 2/1810:55 pmLAX - MDW

Nonstop4h 00mSouthwest

Deal found 12/26

$80

Tue 2/1712:25 amLAX - ORD

Nonstop3h 55mUnited Airlines

Deal found 12/26

$80

Wed 2/41:56 pmLAX - ORD

1 stop26h 35mFrontier

Deal found 12/26

$81

Sat 1/179:00 amLAX - MDW

2 stops7h 30mSouthwest

Deal found 12/27

$82

Thu 2/267:18 pmLAX - ORD

1 stop10h 36mSpirit Airlines

Deal found 12/27

$82

Tue 1/277:07 pmLAX - ORD

1 stop25h 31mSpirit Airlines

Deal found 12/26

$83

Wed 1/281:56 pmLAX - ORD

1 stop26h 35mFrontier

Deal found 12/27

$84

Sat 2/281:50 pmLAX - MDW

1 stop29h 39mFrontier

Deal found 12/27

$85

Fri 1/169:25 pmLAX - ORD

1 stop17h 27mFrontier

Deal found 12/25

$85

Sun 2/229:21 pmLAX - MDW

1 stop24h 23mFrontier

Deal found 12/26

$86

Thu 1/89:17 amLAX - ORD

1 stop10h 15mMultiple Airlines

Deal found 12/26

$86

Fri 1/237:07 pmLAX - ORD

1 stop17h 10mSpirit Airlines

Deal found 12/26

$87

Find flight deals from Irvine to Chicago

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$150 (Trip.com)
One-way from	$80 (Southwest)
Popular in	December
Cheapest in	September
Average price	$368

Provider with most accurate pricing for Los Angeles-Chicago (CHI) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Chicago (CHI) flights.

Search Deals

From Irvine to Chicago (CHI)

Search Deals

One-way flight from Irvine to Chicago (CHI)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 3/10

6:30 pm-6:08 am

1 stop9h 38m

Chicago O'Hare Intl

Tue 3/17

7:00 am-1:52 pm

1 stop8h 52m

$174

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sat 1/17

5:55 am-12:00 pm

Nonstop4h 05m

Chicago Midway

Sat 1/24

8:25 am-11:10 am

Nonstop4h 45m

$209

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Fri 1/23

12:46 pm-10:19 pm

1 stop7h 33m

Chicago Midway

Mon 1/26

9:45 am-4:19 pm

1 stop8h 34m

$210

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 1/23

9:17 am-8:29 pm

1 stop9h 12m

Chicago O'Hare Intl

Mon 1/26

9:00 am-5:05 pm

2 stops10h 05m

$214

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 1/17

12:40 pm-6:52 pm

Nonstop4h 12m

Chicago O'Hare Intl

Wed 2/4

4:10 pm-6:47 pm

Nonstop4h 37m

$241

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sun 1/18

7:00 am-4:30 pm

1 stop7h 30m

Chicago Midway

Tue 1/27

2:10 pm-4:50 pm

Nonstop4h 40m

$251

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 1/23

7:00 am-7:36 pm

1 stop10h 36m

Chicago O'Hare Intl

Fri 1/30

9:15 am-8:58 pm

1 stop13h 43m

$261

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Fri 1/23

2:51 pm-8:43 am

2 stops15h 52m

Chicago Midway

Mon 1/26

9:45 am-4:19 pm

1 stop8h 34m

$266

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sun 1/18

5:45 am-1:30 pm

1 stop5h 45m

Chicago O'Hare Intl

Tue 1/27

7:15 am-1:50 pm

2 stops8h 35m

$266

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sat 1/17

9:00 am-6:30 pm

2 stops7h 30m

Chicago Midway

Sun 1/25

4:40 pm-7:20 pm

Nonstop4h 40m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 51 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?

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?

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Irvine to Chicago by exploring options for tickets in the evening.

What is the cheapest day to fly from Irvine to Chicago?

Travelers seeking maximum savings on their Irvine to Chicago flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to Chicago

The most flights from IR9 to CHI are scheduled on a Friday (115 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (92 on average).

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

Reviews of airlines servicing Chicago

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.

Southwest

8.0

Very good

4,256 reviews

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.

Southwest

8.0

Very good

4,256 reviews

Southwest

8.0

Very good

4,256 reviews

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.

United Airlines

7.4

Good

9,113 reviews

Southwest

8.0

Very good

4,256 reviews

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.

American Airlines

7.2

Good

11,073 reviews

Southwest

8.0

Very good

4,256 reviews

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

6.3

Okay

8,211 reviews

Southwest

8.0

Very good

4,256 reviews

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.

Frontier

5.8

Fair

3,065 reviews

Southwest

8.0

Very good

4,256 reviews

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

How long is the flight from Irvine to Chicago?
Departing from Irvine to Chicago will take you 4h 05m. Irvine and Chicago are separated by a distance of 1746 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 Spirit Airlines ($30), Frontier ($52), and Southwest ($98).
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: China Southern (82%), Lufthansa (81%), Iberia( 79%).
What are the cheapest flights from Irvine to Chicago?
The cheapest flight price from Irvine to Chicago is $79. On average you can expect to pay $923. The most popular route, (Los Angeles - Chicago O'Hare Intl), can usually be booked for $89.
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, 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.

See more FAQs

Lansing

Merrillville

Hammond

Porter

Benton Harbor

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Irvine to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$77	Average$199	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$89	Average$229	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$130	Average$330	FlexibilityNo cancel fee	On-time83%
Southwest	Cheapest$179	Average$412	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$182	Average$390	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$190	Average$441	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$200	Average$390	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$218	Average$363	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$80+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Irvine to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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 December 28, 2025.

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 December 28, 2025.

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 December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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 December 26, 2025.

What is the cheapest month to book a 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 December 28, 2025.

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 December 20, 2025.

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 December 28, 2025.

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

Reviews of airlines servicing Chicago

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.

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?

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

What are the most popular routes from Irvine to Chicago?

What are the most reliable airlines from Irvine to Chicago?

What are the cheapest flights from Irvine to Chicago?

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

How can I find direct flights from Irvine to Chicago?

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

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

Traveling to a place near Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Book with Flexibility

Travel Smart

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 December 28, 2025.