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O'Hare Intl

$85+ Cheap flights from Irvine, CA to O'Hare Intl (ORD)

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 — ORD
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Chicago O'Hare Intl are usually found in February or September, booked 61 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Irvine to O'Hare Intl

Keep the following information in mind while searching for Irvine to O'Hare Intl 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

December

Cheapest in

February

Average price

$299
Provider with most accurate pricing for Los Angeles-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Chicago (CHI) flights.
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From Irvine to Chicago O'Hare Intl
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One-way flight from Irvine to Chicago O'Hare Intl
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Irvine to O'Hare Intl

Cheapest flights from Irvine to O'Hare Intl
Explore the most affordable flight options available from Irvine to O'Hare Intl. 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.
Tue 5/135:30 amLAX - ORD
Nonstop4h 06mSpirit Airlines
Tue 5/206:59 pmORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 3/30$154
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 Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:00 amLAX - ORD
1 stop14h 56mAlaska Airlines
Sat 5/247:59 pmORD - LAX
1 stop13h 35mAlaska Airlines
Deal found 3/30$237
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/114:46 pmLAX - ORD
Nonstop4h 22mFrontier
Mon 7/146:10 amORD - LAX
Nonstop4h 29mFrontier
Deal found 3/31$249
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 4/2512:45 amLAX - ORD
1 stop7h 38mDelta
Tue 4/291:25 pmORD - LAX
1 stop7h 01mDelta
Deal found 3/30$257
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2811:55 pmLAX - ORD
1 stop10h 31mJetBlue
Tue 5/66:15 amORD - LAX
1 stop9h 50mJetBlue
Deal found 3/30$271
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 7/306:35 amLAX - ORD
1 stop7h 50mSouthwest
Sat 8/24:20 pmORD - LAX
1 stop9h 50mSouthwest
Deal found 3/31$274
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:02 amLAX - ORD
1 stop6h 19mSun Country Air
Fri 5/236:12 pmORD - LAX
1 stop6h 37mSun Country Air
Deal found 3/30$280
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3012:30 pmLAX - ORD
Nonstop4h 34mAmerican Airlines
Wed 8/66:13 amORD - LAX
Nonstop4h 12mAmerican Airlines
Deal found 3/30$282

Cheapflights Fare Finder

Customize your flight search to find flights from Irvine to O'Hare Intl 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 O'Hare Intl Airport that are best for you.

Fly from

Irvine

Fly to

O'Hare Intl

Route

Depart

Return

Price

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 5/13

12:41 am-6:42 am

Nonstop4h 01m

Chicago O'Hare Intl

Wed 5/21

8:37 am-11:08 am

Nonstop4h 31m

$154

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 - ORD

LAXORD

Los Angeles

Tue 5/20

7:00 am-11:56 pm

1 stop14h 56m

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

Sat 5/3

6:35 am-11:15 am

1 stop6h 40m

$257

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Mon 4/28

11:59 pm-6:08 am

Nonstop4h 09m

Chicago O'Hare Intl

Thu 5/1

12:53 pm-3:34 pm

Nonstop4h 41m

$267

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 5/28

4:46 pm-11:05 pm

Nonstop4h 19m

Chicago O'Hare Intl

Sat 6/7

5:10 am-11:39 am

1 stop8h 29m

$270

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Mon 4/28

11:55 pm-12:26 pm

1 stop10h 31m

Chicago O'Hare Intl

Thu 5/1

1:13 pm-10:38 pm

1 stop11h 25m

$271

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 5/22

9:02 am-5:21 pm

1 stop6h 19m

Chicago O'Hare Intl

Fri 5/23

6:12 pm-10:49 pm

1 stop6h 37m

$280

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 4/18

12:58 am-9:27 am

1 stop6h 29m

Chicago O'Hare Intl

Sat 4/26

5:30 pm-8:01 pm

Nonstop4h 31m

$300

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 4/26

10:23 am-7:06 pm

1 stop6h 43m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 18 results
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Best time to book a flight from Irvine to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from Irvine to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to O'Hare Intl. Price data was last updated on March 28, 2025.

The best time to book flights from Irvine to Chicago O'Hare Intl Airport is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Irvine to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $245). Flying from Irvine to Chicago O'Hare Intl Airport 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 ORD?

Find hourly flight availability from Irvine to O'Hare Intl. 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 O'Hare Intl Airport, 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 O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Irvine to O'Hare Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport

Explore weekly flight availability from Irvine to O'Hare Intl. 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 ORD are scheduled on a Monday (106 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 O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Irvine to Chicago. 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
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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 O'Hare Intl. 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 O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $85 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $90 and Frontier from $99 one-way.

  • What are the most reliable airlines from Irvine to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport?

    The cheapest flight price from Irvine to Chicago O'Hare Intl Airport 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 $118.

  • Can I find deals for flights from Irvine to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Irvine to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to O'Hare Intl?

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

  • Can I find deals for business class flights from Irvine to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Irvine to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $245). Flying from Irvine to Chicago O'Hare Intl Airport 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

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Alternative routes for Irvine to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Irvine to O'Hare Intl

Discover the top 9 airlines that operate flights from Irvine to O'Hare Intl. 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$121FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$74Average$217FlexibilityNo cancel feeOn-time65%
FrontierCheapest$89Average$163FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$149Average$362FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$157Average$407FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$161Average$426FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$183Average$381FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$425FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$417FlexibilityNo cancel feeOn-timeN/A
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