$145+ Cheap flights from Santa Ana, CA (SNA) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
Sep 3 — Sep 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Santa Ana 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 Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl are usually found in September or August, booked 65 days in advance, depart on a Saturday or Wednesday and return on a Tuesday
Cheap flight deals from Santa Ana to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Ana to O'Hare IntlExplore the most affordable flight options available from Santa Ana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Santa Ana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/97:30 am -
1 stop20h 08m
Wed 9/161:21 pm -
1 stop29h 54m
Deal found 8/3![Multiple Airlines logo]()
$327
This Frontier deal was found by Cheapflights users on 7/31. 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.
Thu 9/2410:45 am -
1 stop12h 00m
Mon 9/286:30 am -
1 stop6h 35m
Deal found 7/31![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 8/3. 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 10/210:45 am -
1 stop12h 00m
Sun 10/181:02 pm -
1 stop6h 33m
Deal found 8/3![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Mon 8/249:09 am -
1 stop26h 27m
Wed 9/22:41 pm -
1 stop20h 13m
Deal found 8/3![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/87:30 am -
1 stop8h 51m
Sat 9/126:30 am -
2 stops28h 15m
Deal found 8/1![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/77:53 pm -
1 stop20h 28m
Sat 9/126:30 am -
2 stops13h 10m
Deal found 8/3![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/167:30 am -
2 stops14h 53m
Tue 9/221:21 pm -
1 stop30h 19m
Deal found 7/31![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 8/3. 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.
Sun 9/612:15 pm -
1 stop9h 42m
Mon 9/147:00 am -
1 stop8h 11m
Deal found 8/3![Delta logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/811:07 am -
2 stops11h 26m
Sun 10/114:00 pm -
1 stop24h 12m
Deal found 8/1![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/137:30 am -
1 stop20h 12m
Sat 10/176:50 am -
1 stop12h 50m
Deal found 8/3![Multiple Airlines logo]()
$336
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Mon 8/177:53 pm -
1 stop7h 44m
Fri 8/219:20 am -
1 stop10h 34m
Deal found 8/3![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/237:30 am -
2 stops14h 53m
Fri 9/258:55 pm -
1 stop22h 45m
Deal found 7/31![Multiple Airlines logo]()
$338
Best flights from Santa Ana to O'Hare IntlDiscover carefully curated flight deals from Santa Ana to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Santa Ana to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Delta deal was found by Cheapflights users on 7/30. 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.
Wed 9/911:38 am -
1 stop10h 21m
Mon 9/147:00 am -
1 stop8h 11m
Deal found 7/30![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 9/162:17 pm -
Nonstop4h 14m
Sun 9/205:00 am -
1 stop6h 07m
Deal found 8/2![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
2 stops8h 41m
Wed 9/97:00 am -
1 stop8h 11m
Deal found 7/31![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 9/16:45 am -
2 stops11h 45m
Tue 9/152:05 pm -
2 stops10h 25m
Deal found 8/2![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:45 am -
Nonstop4h 22m
Sun 10/185:00 am -
1 stop6h 29m
Deal found 7/31![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:26 pm -
Nonstop4h 14m
Tue 10/204:00 pm -
Nonstop4h 41m
Deal found 8/4![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sun 8/164:14 pm -
1 stop5h 47m
Tue 8/259:00 am -
Nonstop4h 33m
Deal found 8/3![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 8/3. 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 10/102:23 pm -
1 stop7h 31m
Sun 10/117:35 am -
1 stop6h 23m
Deal found 8/3![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:14 pm -
1 stop5h 45m
Mon 9/217:55 pm -
Nonstop4h 30m
Deal found 7/31![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:22 pm -
2 stops15h 26m
Sun 9/275:00 am -
1 stop6h 29m
Deal found 7/30![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/72:10 pm -
Nonstop4h 14m
Wed 9/94:10 pm -
Nonstop4h 41m
Deal found 8/1![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/92:26 pm -
Nonstop4h 14m
Mon 10/127:55 pm -
Nonstop4h 31m
Deal found 8/2![United Airlines logo]()
$497
Last-minute flights from Santa Ana to O'Hare IntlDiscover last-minute flight deals from Santa Ana to O'Hare Intl. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Ana to O'Hare Intl. Data last updated August 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Mon 8/177:53 pm -
1 stop7h 44m
Fri 8/219:20 am -
1 stop10h 34m
Deal found 8/3![Frontier logo]()
$337
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Mon 8/249:09 am -
1 stop26h 27m
Wed 9/22:41 pm -
1 stop20h 13m
Deal found 8/3![Frontier logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/286:45 am -
Nonstop4h 22m
Sun 8/307:55 pm -
Nonstop4h 30m
Deal found 8/3![United Airlines logo]()
$339
This Priceline deal was found by Cheapflights users on 8/3. 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.
Tue 9/11:02 pm -
1 stop8h 57m
Fri 9/49:20 am -
1 stop10h 34m
Deal found 8/3![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/49:09 am -
1 stop26h 27m
Fri 9/116:30 am -
1 stop6h 35m
Deal found 8/3![Frontier logo]()
$329
This Delta deal was found by Cheapflights users on 8/3. 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.
Sun 9/612:15 pm -
1 stop9h 42m
Mon 9/147:00 am -
1 stop8h 11m
Deal found 8/3![Delta logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/77:53 pm -
1 stop20h 28m
Sat 9/126:30 am -
2 stops13h 10m
Deal found 8/3![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/87:30 am -
1 stop8h 51m
Sat 9/126:30 am -
2 stops28h 15m
Deal found 8/1![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/97:30 am -
1 stop20h 08m
Wed 9/161:21 pm -
1 stop29h 54m
Deal found 8/3![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/167:30 am -
2 stops14h 53m
Tue 9/221:21 pm -
1 stop30h 19m
Deal found 7/31![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/237:30 am -
2 stops14h 53m
Fri 9/258:55 pm -
1 stop22h 45m
Deal found 7/31![Multiple Airlines logo]()
$338
This Frontier deal was found by Cheapflights users on 7/31. 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.
Thu 9/2410:45 am -
1 stop12h 00m
Mon 9/286:30 am -
1 stop6h 35m
Deal found 7/31![Frontier logo]()
$328
One-way flights from Santa Ana to O'Hare IntlSearch for one-way flight options from Santa Ana to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Santa Ana to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/1. 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 11/268:47 am -
Nonstop4h 13m
Deal found 8/1![American Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:30 am -
2 stops42h 08m
Deal found 7/30![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 10/14:35 pm -
2 stops29h 48m
Deal found 7/31![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/297:30 am -
1 stop20h 08m
Deal found 8/1![Multiple Airlines logo]()
$149
This CheapOair deal was found by Cheapflights users on 8/1. 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.
Sun 8/307:53 pm -
1 stop21h 09m
Deal found 8/1![Frontier logo]()
$150
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:39 am -
1 stop25h 57m
Deal found 7/31![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 11/27:28 pm -
2 stops36h 33m
Deal found 7/31![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/286:00 pm -
2 stops28h 23m
Deal found 7/31![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/297:10 am -
1 stop7h 50m
Deal found 7/30![Delta logo]()
$155
Find flight deals from Santa Ana to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (Kiwi.com) |
One-way from | $145 (American Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $382 |
Good round-trip deal | $387 or less |
Good one-way deal | $274 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Ana 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 August 4, 2026.
Use the filters below to find and compare flights from Santa Ana to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Wed 9/9
11:38 am-11:59 pm
1 stop10h 21m
Chicago O'Hare Intl
Mon 9/14
7:00 am-1:11 pm
1 stop8h 11m
$344
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Wed 9/16
2:17 pm-8:31 pm
Nonstop4h 14m
Chicago O'Hare Intl
Sun 9/20
5:00 am-9:07 am
1 stop6h 07m
$345
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sat 9/5
7:00 am-5:41 pm
2 stops8h 41m
Chicago O'Hare Intl
Wed 9/9
7:00 am-1:11 pm
1 stop8h 11m
$364
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Tue 9/1
6:45 am-8:30 pm
2 stops11h 45m
Chicago O'Hare Intl
Tue 9/15
2:05 pm-10:30 pm
2 stops10h 25m
$369
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Thu 10/15
6:45 am-1:07 pm
Nonstop4h 22m
Chicago O'Hare Intl
Sun 10/18
5:00 am-9:29 am
1 stop6h 29m
$424
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Fri 10/16
2:26 pm-8:40 pm
Nonstop4h 14m
Chicago O'Hare Intl
Tue 10/20
4:00 pm-6:41 pm
Nonstop4h 41m
$439
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sun 8/16
4:14 pm-12:01 am
1 stop5h 47m
Chicago O'Hare Intl
Tue 8/25
9:00 am-11:33 am
Nonstop4h 33m
$444
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Thu 9/17
4:14 pm-11:59 pm
1 stop5h 45m
Chicago O'Hare Intl
Mon 9/21
7:55 pm-10:25 pm
Nonstop4h 30m
$449
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Fri 9/25
6:22 pm-11:48 am
2 stops15h 26m
Chicago O'Hare Intl
Sun 9/27
5:00 am-9:29 am
1 stop6h 29m
$460
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sat 10/10
2:23 pm-11:54 pm
1 stop7h 31m
Chicago O'Hare Intl
Sun 10/11
7:35 am-11:58 am
1 stop6h 23m
$477
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Santa Ana to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Ana to O'Hare Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Santa Ana, California-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Ana, California-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Ana, California-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Ana, California-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Ana, California-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Ana to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Santa Ana with our price prediction graph.
SNA-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 Santa Ana to Chicago O'Hare Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Santa Ana, California to Chicago O'Hare Intl Airport?
The price you pay for your flight from Santa Ana, California to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Santa Ana, California to Chicago O'Hare Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Santa Ana, California to Chicago O'Hare Intl Airport (average of $362). Flying from Santa Ana, California to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $512). 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 SNA to ORD?
Find hourly flight availability from Santa Ana 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 August 4, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Ana, California to Chicago O'Hare Intl Airport as you normally would.
How often are flights from Santa Ana to Chicago delayed?
About 9% of weekly flights between Santa Ana and Chicago have experienced delays in the past year, with the average delay time being 188 minutes.
What is the most punctual flight time for Santa Ana to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Santa Ana to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
The best insider tips for Santa Ana to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Santa Ana to Chicago O'Hare Intl Airport trip
Our travel experts
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 August 4, 2026.
See what other customers who have flown with Alaska Airlines,United Airlines, andJetBlue from Santa Ana to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jan 2024
SEA - ORD
Related info for your journey
Find useful and relevant information for your journey from Santa Ana 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
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from Santa Ana
Popular flights
Alternative routes for Santa Ana to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Santa Ana to O'Hare Intl by cabin class
Find flights from Santa Ana to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Santa Ana and O'Hare Intl flights
Browse other Santa Ana and O'Hare Intl flight options. Last updated on August 4, 2026.
Other flights from Santa Ana
Browse through other flights departing from Santa Ana. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Santa Ana to O'Hare Intl
Discover the top 6 airlines that operate flights from Santa Ana 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$253 | Average$562 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$258 | Average$411 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$269 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$536 | FlexibilityNo cancel fee | On-time63% |