$104+ Cheap flights from Irvine, CA to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to O'Hare Intl 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 O'Hare Intl are usually found in October or November, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Irvine to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to O'Hare IntlExplore 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 September 18, 2026.
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 September 18, 2026.
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:21 am -
Nonstop4h 13m
Mon 10/196:00 am -
1 stop10h 34m
Deal found 9/14![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/1312:21 am -
Nonstop4h 13m
Wed 10/218:01 pm -
Nonstop4h 50m
Deal found 9/18![Frontier logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/1512:21 am -
Nonstop4h 13m
Mon 10/198:01 pm -
Nonstop4h 50m
Deal found 9/17![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 9/16. 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 10/75:20 pm -
1 stop9h 57m
Fri 10/98:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1112:21 am -
Nonstop4h 13m
Wed 11/42:11 pm -
1 stop11h 27m
Deal found 9/16![Frontier logo]()
$203
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/152:41 pm -
1 stop8h 18m
Wed 10/216:30 am -
2 stops16h 31m
Deal found 9/16![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/1512:21 am -
Nonstop4h 13m
Sat 10/246:30 am -
2 stops18h 16m
Deal found 9/16![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:06 pm -
1 stop7h 34m
Mon 11/210:26 am -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/2112:21 am -
Nonstop4h 13m
Sun 10/258:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:21 am -
Nonstop4h 13m
Fri 10/238:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$208
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 am -
1 stop16h 19m
Wed 10/287:15 am -
1 stop12h 38m
Deal found 9/17![Frontier logo]()
$209
Best flights from Irvine to O'Hare IntlDiscover carefully curated flight deals from Irvine to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Irvine to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 11/62:21 pm -
Nonstop4h 16m
Sun 11/87:00 am -
Nonstop4h 35m
Deal found 9/15![United Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 9/18. 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.
Mon 10/2612:00 pm -
1 stop9h 34m
Fri 10/307:14 pm -
Nonstop4h 46m
Deal found 9/18![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/37:00 am -
1 stop8h 49m
Tue 12/89:00 am -
1 stop11h 38m
Deal found 9/15![Alaska Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 9/18. 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.
Thu 10/299:54 am -
1 stop6h 16m
Tue 11/39:30 am -
Nonstop4h 28m
Deal found 9/18![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/1012:45 pm -
Nonstop4h 20m
Sun 10/116:00 am -
Nonstop4h 27m
Deal found 9/15![United Airlines logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/268:06 pm -
1 stop7h 34m
Wed 10/287:00 am -
2 stops13h 24m
Deal found 9/15![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 9/18. 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.
Sat 10/176:00 am -
1 stop8h 39m
Mon 10/193:30 pm -
1 stop7h 10m
Deal found 9/18![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/3012:09 pm -
1 stop9h 48m
Fri 10/307:29 am -
Nonstop4h 41m
Deal found 9/15![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 9/17. 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 10/25:25 pm -
Nonstop4h 06m
Mon 10/55:10 pm -
1 stop7h 00m
Deal found 9/17![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 9/15. 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 10/21:15 pm -
1 stop6h 18m
Wed 10/77:35 am -
1 stop7h 05m
Deal found 9/15![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 11/186:00 am -
1 stop8h 41m
Wed 11/252:44 pm -
1 stop7h 39m
Deal found 9/14![Delta logo]()
$311
Last-minute flights from Irvine to O'Hare IntlDiscover last-minute flight deals from Irvine to O'Hare Intl. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to O'Hare Intl. Data last updated September 18, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:21 am -
Nonstop4h 13m
Sat 10/108:01 pm -
Nonstop4h 50m
Deal found 9/14![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 9/16. 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 10/75:20 pm -
1 stop9h 57m
Fri 10/98:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1112:21 am -
Nonstop4h 13m
Thu 11/51:06 pm -
1 stop13h 41m
Deal found 9/16![Frontier logo]()
$203
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:21 am -
Nonstop4h 13m
Mon 10/196:00 am -
1 stop10h 34m
Deal found 9/14![Multiple Airlines logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/146:05 am -
1 stop16h 19m
Mon 10/193:30 pm -
1 stop26h 50m
Deal found 9/18![Frontier logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/1512:21 am -
Nonstop4h 13m
Mon 10/198:01 pm -
Nonstop4h 50m
Deal found 9/17![Frontier logo]()
$200
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/152:41 pm -
1 stop8h 18m
Wed 10/216:30 am -
2 stops16h 31m
Deal found 9/16![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/1512:21 am -
Nonstop4h 13m
Sat 10/246:30 am -
2 stops18h 16m
Deal found 9/16![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/1612:14 am -
1 stop9h 18m
Fri 10/238:01 pm -
Nonstop4h 50m
Deal found 9/17![Frontier logo]()
$209
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:21 am -
Nonstop4h 13m
Fri 10/238:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$208
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/2112:21 am -
Nonstop4h 13m
Sun 10/258:01 pm -
Nonstop4h 50m
Deal found 9/16![Frontier logo]()
$207
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:02 pm -
1 stop9h 38m
Mon 11/210:26 am -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$206
One-way flights from Irvine to O'Hare IntlSearch for one-way flight options from Irvine to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Irvine to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Frontier deal was found by Cheapflights users on 9/14. 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 10/712:21 am -
Nonstop4h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 9/17. 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.
Wed 10/75:20 pm -
1 stop9h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/243:45 pm -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$107
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/94:45 pm -
Nonstop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$108
This Delta deal was found by Cheapflights users on 9/16. 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 11/135:59 pm -
Nonstop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/182:03 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$111
This Jetabroad deal was found by Cheapflights users on 9/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:41 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 11/264:50 pm -
1 stop6h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 9/16. 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.
Sat 10/1712:21 am -
Nonstop4h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 11/2411:59 pm -
Nonstop4h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$116
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Expedia) |
One-way from | $104 (Frontier) |
Popular in | June |
Cheapest in | October |
Average price | $332 |
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 7,457,451 searches. Data last updated September 18, 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
Cheapest round-trip
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Sat 11/14
10:00 am-11:55 pm
1 stop11h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$109
Quickest round-trip
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Thu 10/29
5:52 pm-11:47 pm
Nonstop3h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$109
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Tue 11/17
5:59 pm-11:55 pm
Nonstop3h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$109
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Sat 10/24
6:00 am-4:41 pm
1 stop8h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$119
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Sun 11/1
10:05 pm-7:41 am
1 stop7h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$119
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Fri 10/16
11:38 am-10:05 pm
1 stop8h 27m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$140
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Mon 10/12
5:30 am-11:46 am
Nonstop4h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$158
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Fri 10/2
10:40 pm-9:58 am
1 stop9h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$159
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Sat 10/3
3:26 pm-9:30 pm
Nonstop4h 04m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$159
Los AngelesChicago
LAX Los Angeles - ORD Chicago O'Hare Intl
LAXORD
Los Angeles
Sat 10/17
3:37 pm-5:40 am
2 stops12h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$164
Showing 1-10 of 23 resultsSorted by cheapest first
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.
LAX-ORD
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
IR9-ORD
LAX-ORD
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 September 18, 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 19% 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 September 18, 2026.
The most flights from IR9 to ORD are scheduled on a Thursday (133 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (115 on average).
How much does it cost to fly round-trip from Irvine to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Irvine to Chicago O'Hare Intl Airport flights typically cost between $250 and $431 in October.The cheapest round-trip price found within the last 5 days was $198 on Multiple Airlines (Oct 13-Oct 19).
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 September 12, 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 September 18, 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.
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
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 locationsBenton Harbor
Rosemont
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Rockford
Hoffman Estates
Aurora
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$267 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$361 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$407 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$497 | FlexibilityNo cancel fee | On-time75% |