O'Hare Intl

$99+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Apr 11 — Apr 181
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Cheapflights Tip: The best prices from Irvine to Chicago O'Hare Intl are usually found in September or May, booked 30 days in advance, depart on a Thursday or Friday and return on a Friday

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 March 12, 2026.

This Super.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/2111:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Thu 4/235:20 am
ORD
-
LAX
1 stop9h 10m
Frontier
Deal found 3/11$180
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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.
Wed 5/1311:35 pm
LAX
-
ORD
Nonstop4h 00m
Spirit Airlines
Mon 5/186:05 pm
ORD
-
LAX
1 stop6h 55m
Spirit Airlines
Deal found 3/10$181
This Travelocity deal was found by Cheapflights users on 3/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:00 pm
LAX
-
ORD
Nonstop4h 04m
Spirit Airlines
Sun 5/176:16 pm
ORD
-
LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/11$182
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:11 pm
LAX
-
ORD
1 stop10h 57m
Frontier
Sun 4/195:25 am
ORD
-
LAX
1 stop9h 16m
Frontier
Deal found 3/9$183
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:22 pm
LAX
-
ORD
Nonstop4h 05m
Spirit Airlines
Mon 6/12:00 pm
ORD
-
LAX
Nonstop4h 27m
Spirit Airlines
Deal found 3/9$184
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 5/76:01 pm
LAX
-
ORD
1 stop9h 24m
Spirit Airlines
Sun 5/105:15 am
ORD
-
LAX
Nonstop4h 20m
Spirit Airlines
Deal found 3/10$185
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:36 pm
LAX
-
ORD
Nonstop4h 14m
Multiple Airlines
Thu 4/305:15 am
ORD
-
LAX
Nonstop4h 20m
Multiple Airlines
Deal found 3/8$186
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 4/305:22 pm
LAX
-
ORD
Nonstop4h 05m
Spirit Airlines
Sun 5/36:16 pm
ORD
-
LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/10$187
This Booking.com deal was found by Cheapflights users on 3/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:25 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Tue 5/57:21 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Deal found 3/8$188
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:25 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Sat 4/187:21 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Deal found 3/9$189
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pm
LAX
-
ORD
1 stop10h 32m
Frontier
Sun 4/265:50 am
ORD
-
LAX
1 stop8h 46m
Frontier
Deal found 3/8$190
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:35 pm
LAX
-
ORD
Nonstop4h 00m
Spirit Airlines
Mon 6/16:16 pm
ORD
-
LAX
1 stop7h 37m
Spirit Airlines
Deal found 3/9$191

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Frontier)

One-way from

$99
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$347
Provider with most accurate pricing for Los Angeles Los Angeles-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Chicago (CHI) flights.
From Irvine to Chicago O'Hare Intl
One-way flight from Irvine to Chicago O'Hare Intl
Highest demand for flights based on searches. 15% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 12, 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

Mon 5/4

6:25 pm-12:34 am

Nonstop4h 09m

Chicago O'Hare Intl

Sun 5/10

8:40 am-11:23 am

Nonstop4h 43m

$257

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Fri 5/22

7:25 am-11:55 pm

2 stops14h 30m

Chicago O'Hare Intl

Sat 6/6

7:45 am-5:35 pm

2 stops11h 50m

$343

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 5/20

6:15 am-4:51 pm

1 stop8h 36m

Chicago O'Hare Intl

Sun 5/24

11:07 am-6:05 pm

1 stop8h 58m

$347

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 5/6

8:45 pm-7:41 am

1 stop8h 56m

Chicago O'Hare Intl

Sat 5/9

8:31 am-5:09 pm

1 stop10h 38m

$365

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 4/15

10:45 am-10:55 pm

2 stops10h 10m

Chicago O'Hare Intl

Sun 4/19

6:15 pm-12:10 am

2 stops7h 55m

$376

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Fri 4/17

5:10 am-3:30 pm

2 stops8h 20m

Chicago O'Hare Intl

Sun 4/19

4:15 pm-12:10 am

2 stops9h 55m

$386

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Mon 6/1

5:20 am-1:55 pm

1 stop6h 35m

Chicago O'Hare Intl

Mon 6/1

4:15 pm-11:20 pm

2 stops9h 05m

$386

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 6/3

10:45 am-10:55 pm

2 stops10h 10m

Chicago O'Hare Intl

Sat 6/6

6:50 pm-11:05 pm

1 stop6h 15m

$395

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Thu 6/18

5:30 pm-11:45 pm

Nonstop4h 15m

Chicago O'Hare Intl

Sun 6/21

6:00 am-10:57 am

1 stop6h 57m

$407

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles Los Angeles

Wed 4/8

9:56 am-9:34 pm

2 stops9h 38m

Chicago O'Hare Intl

Fri 4/10

7:20 am-12:19 pm

1 stop6h 59m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 23 resultsSorted by cheapest first
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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 6, 2026.

The best time to book flights from Irvine to Chicago O'Hare Intl Airport is 30 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, April is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $93). Flying from Irvine to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $198). 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 March 12, 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 24% on the cost of your flight, compared to a flight in the morning.

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 February 21, 2026.

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 March 12, 2026.

The most flights from IR9 to ORD are scheduled on a Tuesday (108 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (60 on average).

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

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 March 12, 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.

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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 4h 09m. Fly via United Airlines, Southwest, or Delta to get the fastest option. Irvine and Chicago O'Hare Intl Airport are separated by a distance of 1740 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $54 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $59 and JetBlue from $82 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: Austrian Airlines (93%), China Southern (88%), Brussels Airlines( 87%).

  • 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 $97. On average you can expect to pay $935. The most popular route, (Los Angeles Los Angeles - Chicago O'Hare Intl), can usually be booked for $99.

  • 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, April is the cheapest month in which you can book a flight from Irvine to Chicago O'Hare Intl Airport (average of $93). Flying from Irvine to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $198). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Elk Grove Village
Skokie
Oak Brook
South Holland
Beloit
Libertyville
Waukegan
Warrenville
Bridgeview
Oakbrook Terrace

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Irvine to O'Hare Intl

Discover the top 8 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$232FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$103Average$190FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$166Average$268FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$179Average$383FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$182Average$408FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$200Average$387FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$385FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$446FlexibilityNo cancel feeOn-time75%

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