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O'Hare Intl

$129+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Chicago O'Hare Intl are usually found in September or August, booked 30 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 July 9, 2026.

This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Sat 8/299:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/6$231
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Tue 8/411:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Thu 8/69:13 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/6$232
This Frontier deal was found by Cheapflights users on 7/7. 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.
Mon 8/1711:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Tue 8/259:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/7$234
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Sun 8/1611:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Sat 8/229:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/7$235
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/2211:41 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Sat 8/292:41 pm
ORD
-
LAX
1 stop11h 30m
Frontier
Deal found 7/4$236
This Super.com deal was found by Cheapflights users on 7/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Mon 8/109:13 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/4$237
This Delta deal was found by Cheapflights users on 7/8. 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 8/77:15 am
LAX
-
ORD
1 stop9h 04m
Delta
Mon 8/105:56 pm
ORD
-
LAX
1 stop8h 36m
Delta
Deal found 7/8$239
This Frontier deal was found by Cheapflights users on 7/9. 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 8/711:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Mon 8/109:13 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/9$240
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 8/66:14 pm
LAX
-
ORD
Nonstop4h 15m
American Airlines
Mon 8/106:00 am
ORD
-
LAX
Nonstop4h 19m
American Airlines
Deal found 7/8$241
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Tue 8/1811:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Tue 8/252:41 pm
ORD
-
LAX
1 stop11h 30m
Frontier
Deal found 7/4$242
This Frontier deal was found by Cheapflights users on 7/6. 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.
Tue 8/1811:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Wed 8/199:20 am
ORD
-
LAX
1 stop10h 10m
Frontier
Deal found 7/6$243
This Frontier deal was found by Cheapflights users on 7/7. 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 8/2811:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Wed 9/29:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Deal found 7/7$244

Find 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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(Super.com)

One-way from

$129
(Super.com)

Popular in

June

Cheapest in

September

Average price

$353
Provider with most accurate pricing for Los Angeles Los Angeles-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Chicago (CHI) flights.
Search Deals
From Irvine to Chicago O'Hare Intl
Search Deals
One-way flight from Irvine to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 9% 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 July 2026
Search Deals

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 July 9, 2026.
Use the filters below to find and compare flights from Irvine to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 10/7

5:34 pm-11:29 pm

Nonstop3h 55m

Chicago O'Hare Intl

Sun 10/11

7:26 am-10:00 am

Nonstop4h 34m

$284

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Thu 9/17

6:00 am-4:14 pm

1 stop8h 14m

Chicago O'Hare Intl

Sun 9/20

5:10 pm-10:23 pm

1 stop7h 13m

$304

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Tue 9/15

8:20 am-6:45 pm

1 stop8h 25m

Chicago O'Hare Intl

Tue 9/22

6:56 pm-9:31 pm

Nonstop4h 35m

$305

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 8/19

7:15 am-6:19 pm

1 stop9h 04m

Chicago O'Hare Intl

Wed 8/26

2:00 pm-6:12 pm

1 stop6h 12m

$315

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Tue 9/29

9:50 am-8:30 pm

1 stop8h 40m

Chicago O'Hare Intl

Sat 10/10

5:24 pm-10:36 pm

1 stop7h 12m

$315

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Tue 9/8

7:00 am-6:01 pm

1 stop9h 01m

Chicago O'Hare Intl

Wed 9/9

8:25 am-2:58 pm

1 stop8h 33m

$315

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Fri 10/2

5:25 pm-11:31 pm

Nonstop4h 06m

Chicago O'Hare Intl

Sun 10/4

8:25 am-1:28 pm

1 stop7h 03m

$316

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Mon 8/10

6:27 pm-5:00 am

1 stop8h 33m

Chicago O'Hare Intl

Thu 8/20

6:01 am-5:22 pm

2 stops13h 21m

$340
Cheapest one-way
Quickest one-way

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Sat 10/10

3:00 pm-9:02 pm

Nonstop4h 02m

$148

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Tue 11/24

7:35 am-5:14 pm

1 stop7h 39m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

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 July 9, 2026.

It’s optimal to fly from Irvine to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

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 July 9, 2026.

The most flights from IR9 to ORD are scheduled on a Wednesday (142 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (75 on average).

How much does it cost to fly round-trip from Irvine to Chicago O'Hare Intl Airport?

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 July 4, 2026.

Travelers seeking maximum savings on their Irvine to Chicago O'Hare Intl Airport flight should consider departing on Friday 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.

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 July 9, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Irvine to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,955 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.1
Good
11,788 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
JetBlue
7.1
Good
3,011 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Frontier
5.6
Fair
2,835 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.8

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • How long is the flight from Irvine to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Irvine to Chicago O'Hare Intl Airport in 3h 55m. Fly via Delta to get the fastest option. Irvine and Chicago O'Hare Intl Airport are separated by a distance of 1740 mi. Generally, flights for this route are nonstop.

  • 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 $51 on Frontier. Other airlines that offer cheap prices include American Airlines from $99 and United Airlines from $105 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: KLM (100%), Air China (92%), ITA Airways( 92%).

  • 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 $139. On average you can expect to pay $1,102. The most popular route, (Los Angeles Los Angeles - Chicago O'Hare Intl), can usually be booked for $138.

  • 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.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
South Holland
Libertyville
Hoffman Estates
Downers Grove
Rockford
Racine
Great Lakes
Joliet
Orland Park
Northbrook
Waukegan

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Top 7 airlines flying from Irvine to O'Hare Intl

Discover the top 7 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$97Average$261FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$166Average$356FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$179Average$378FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$182Average$437FlexibilityNo cancel feeOn-time69%
DeltaCheapest$204Average$394FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$205Average$414FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$253Average$489FlexibilityNo cancel feeOn-time75%

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