$77+ 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 5/13. 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
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 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 May 1, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $158 (Frontier) |
One-way from | $77 (Flightnetwork) |
Popular in | December |
Cheapest in | February |
Average price | $284 |
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 May 1, 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 May 1, 2025.
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/30. 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.
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 May 1, 2025.
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
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/24
12:54 pm-12:17 am
1 stop9h 23m
Chicago O'Hare Intl
Sat 5/31
6:10 am-8:44 am
Nonstop4h 34m
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 5/14
12:41 am-6:42 am
Nonstop4h 01m
Chicago O'Hare Intl
Thu 5/22
6:10 am-8:44 am
Nonstop4h 34m
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/17
5:30 am-11:36 am
Nonstop4h 06m
Chicago O'Hare Intl
Mon 5/19
4:35 pm-7:48 pm
2 stops29h 13m
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Mon 5/12
6:15 am-7:08 pm
1 stop10h 53m
Chicago Midway
Wed 5/14
2:12 pm-9:35 pm
1 stop9h 23m
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 6/4
5:20 pm-11:25 pm
Nonstop4h 05m
Chicago Midway
Wed 6/11
9:30 pm-11:55 pm
Nonstop4h 25m
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 7/24
12:50 am-7:02 am
Nonstop4h 12m
Chicago O'Hare Intl
Sat 8/23
10:05 pm-12:26 am
Nonstop4h 21m
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 5/21
1:57 pm-11:56 pm
1 stop7h 59m
Chicago O'Hare Intl
Thu 5/29
2:09 pm-7:58 pm
1 stop7h 49m
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 5/8
6:00 am-8:46 pm
1 stop12h 46m
Chicago Greater Rockford
Sun 5/11
9:36 pm-2:06 pm
1 stop18h 30m
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 9/3
12:00 pm-11:59 pm
1 stop9h 59m
Chicago O'Hare Intl
Wed 9/10
2:07 pm-8:06 pm
1 stop7h 59m
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 6/13
11:30 pm-8:44 am
1 stop7h 14m
Chicago Midway
Mon 6/16
7:21 pm-11:30 pm
1 stop6h 09m
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 April 25, 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 May 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 May 1, 2025.
The most flights from IR9 to CHI are scheduled on a Wednesday (104 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 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 May 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.
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
James,Apr 2025
LAX - SFO
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.
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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 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$120 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$74 | Average$210 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$330 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$157 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$161 | Average$428 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$179 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$181 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$433 | FlexibilityNo cancel fee | On-timeN/A |