$172+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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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 August or September, booked 65 days in advance, depart on a Wednesday or Saturday and return on a Saturday
Cheap flight deals from Santa Ana to O'Hare Intl
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Last-minute
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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 May 6, 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 May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 8/87:54 pm
SNA
- ORD
2 stops18h 14m
Frontier
Fri 8/147:15 am
ORD
- SNA
1 stop7h 21m
Frontier
Deal found 5/3![Frontier logo]()
$318
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 5/282:10 pm
SNA
- ORD
Nonstop4h 16m
United Airlines
Wed 6/36:13 am
ORD
- SNA
1 stop7h 53m
United Airlines
Deal found 5/3![United Airlines logo]()
$319
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:54 am
SNA
- ORD
1 stop8h 38m
Multiple Airlines
Tue 6/27:40 am
ORD
- SNA
1 stop9h 03m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 6/210:20 am
SNA
- ORD
1 stop6h 31m
United Airlines
Tue 6/95:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/5![United Airlines logo]()
$324
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:54 am
SNA
- ORD
1 stop8h 38m
Frontier
Sat 5/239:37 pm
ORD
- SNA
1 stop13h 32m
Frontier
Deal found 5/1![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 5/288:10 pm
SNA
- ORD
2 stops22h 22m
Multiple Airlines
Mon 6/15:11 pm
ORD
- SNA
1 stop21h 04m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:27 pm
SNA
- ORD
2 stops28h 25m
Frontier
Thu 8/67:15 am
ORD
- SNA
1 stop7h 21m
Frontier
Deal found 5/2![Frontier logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:54 pm
SNA
- ORD
1 stop7h 34m
Frontier
Wed 8/59:57 pm
ORD
- SNA
2 stops17h 45m
Frontier
Deal found 5/2![Frontier logo]()
$328
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:53 am
SNA
- ORD
1 stop6h 21m
Delta
Tue 6/27:12 am
ORD
- SNA
1 stop11h 27m
Delta
Deal found 5/1![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:33 pm
SNA
- ORD
1 stop8h 27m
American Airlines
Tue 6/3012:00 pm
ORD
- SNA
Nonstop4h 31m
American Airlines
Deal found 5/5![American Airlines logo]()
$330
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:09 am
SNA
- ORD
1 stop14h 32m
Multiple Airlines
Sun 8/239:48 pm
ORD
- SNA
1 stop12h 21m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$331
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 6/52:02 pm
SNA
- ORD
1 stop7h 53m
Delta
Tue 6/96:55 am
ORD
- SNA
1 stop11h 36m
Delta
Deal found 5/5![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 5/232:10 pm
SNA
- ORD
Nonstop4h 16m
United Airlines
Tue 6/305:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/3![United Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 5/303:08 pm
SNA
- ORD
Nonstop4h 31m
Alaska Airlines
Tue 6/28:15 am
ORD
- SNA
Nonstop4h 26m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 5/2. 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 7/282:09 pm
SNA
- ORD
1 stop7h 29m
Delta
Wed 8/57:00 am
ORD
- SNA
1 stop8h 20m
Delta
Deal found 5/2![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 7/294:00 pm
SNA
- ORD
1 stop6h 44m
United Airlines
Sat 8/15:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/4![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:00 pm
SNA
- ORD
1 stop7h 57m
Delta
Sun 5/247:12 am
ORD
- SNA
1 stop11h 29m
Delta
Deal found 5/1![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 7/243:11 pm
SNA
- ORD
Nonstop4h 39m
Alaska Airlines
Sat 7/256:44 pm
ORD
- SNA
Nonstop4h 22m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/266:45 am
SNA
- ORD
Nonstop4h 24m
United Airlines
Thu 5/285:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/1![United Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 5/5. 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 7/236:45 am
SNA
- ORD
Nonstop4h 24m
United Airlines
Fri 8/147:45 pm
ORD
- SNA
Nonstop4h 29m
United Airlines
Deal found 5/5![United Airlines logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:08 pm
SNA
- ORD
Nonstop4h 31m
Alaska Airlines
Sun 5/318:15 am
ORD
- SNA
Nonstop4h 26m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/2. 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 7/293:05 pm
SNA
- ORD
1 stop7h 40m
United Airlines
Sun 8/25:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/2![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Mon 6/14:00 pm
SNA
- ORD
1 stop6h 44m
United Airlines
Sun 6/75:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/4![United Airlines logo]()
$444
Last-minute flights from Santa Ana to O'Hare IntlDiscover last-minute flight deals from Santa Ana to O'Hare Intl. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Ana to O'Hare Intl. Data last updated May 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:54 am
SNA
- ORD
1 stop8h 38m
Frontier
Sat 5/239:37 pm
ORD
- SNA
1 stop13h 32m
Frontier
Deal found 5/1![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sat 5/239:54 am
SNA
- ORD
1 stop8h 38m
Multiple Airlines
Tue 5/266:55 am
ORD
- SNA
2 stops31h 30m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:15 pm
SNA
- ORD
1 stop5h 40m
Southwest
Thu 5/284:50 pm
ORD
- SNA
1 stop6h 20m
Southwest
Deal found 5/5![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 5/282:10 pm
SNA
- ORD
Nonstop4h 16m
United Airlines
Wed 6/36:13 am
ORD
- SNA
1 stop7h 53m
United Airlines
Deal found 5/3![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 5/288:10 pm
SNA
- ORD
2 stops22h 22m
Multiple Airlines
Mon 6/15:11 pm
ORD
- SNA
1 stop21h 04m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:53 am
SNA
- ORD
1 stop6h 21m
Delta
Tue 6/27:12 am
ORD
- SNA
1 stop11h 27m
Delta
Deal found 5/1![Delta logo]()
$329
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:54 am
SNA
- ORD
1 stop8h 38m
Multiple Airlines
Tue 6/27:40 am
ORD
- SNA
1 stop9h 03m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 6/24:12 pm
SNA
- ORD
1 stop6h 47m
United Airlines
Wed 6/35:00 am
ORD
- SNA
1 stop6h 07m
United Airlines
Deal found 5/5![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 6/22:10 pm
SNA
- ORD
Nonstop4h 16m
United Airlines
Tue 6/94:20 pm
ORD
- SNA
Nonstop4h 32m
United Airlines
Deal found 5/2![United Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:33 pm
SNA
- ORD
1 stop8h 27m
American Airlines
Tue 6/3012:00 pm
ORD
- SNA
Nonstop4h 31m
American Airlines
Deal found 5/5![American Airlines logo]()
$330
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 May 6, 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 May 6, 2026.
This Spirit deal was found by Cheapflights users on 5/2. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:33 pm
SNA
- ORD
2 stops15h 21m
Spirit Airlines
Deal found 5/2![Spirit Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 7/137:54 pm
SNA
- ORD
2 stops21h 59m
Frontier
Deal found 5/4![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sat 7/117:54 pm
SNA
- ORD
2 stops18h 14m
Frontier
Deal found 5/6![Frontier logo]()
$174
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Sat 5/306:45 am
SNA
- ORD
1 stop8h 11m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 7/92:27 pm
SNA
- ORD
2 stops37h 01m
Frontier
Deal found 5/4![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/57:54 pm
SNA
- ORD
1 stop7h 34m
Frontier
Deal found 5/5![Frontier logo]()
$177
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:54 am
SNA
- ORD
1 stop8h 38m
Frontier
Deal found 5/3![Frontier logo]()
$179
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:05 am
SNA
- ORD
2 stops9h 30m
Southwest
Deal found 5/4![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 7/312:27 pm
SNA
- ORD
2 stops32h 22m
Frontier
Deal found 5/4![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Fri 7/172:27 pm
SNA
- ORD
2 stops28h 25m
Frontier
Deal found 5/1![Frontier logo]()
$182
This Super.com deal was found by Cheapflights users on 5/6. 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.
Sat 5/169:54 am
SNA
- ORD
1 stop8h 38m
Frontier
Deal found 5/6![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Fri 6/127:45 am
SNA
- ORD
1 stop19h 22m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$184
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (United Airlines) |
One-way from | $172 (Spirit) |
Popular in | March |
Cheapest in | August |
Average price | $388 |
Good round-trip deal | $426 or less |
Good one-way deal | $301 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 May 6, 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
Fri 6/5
2:02 pm-11:55 pm
1 stop7h 53m
Chicago O'Hare Intl
Tue 6/9
6:55 am-4:31 pm
1 stop11h 36m
$339
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Tue 7/28
2:09 pm-11:38 pm
1 stop7h 29m
Chicago O'Hare Intl
Wed 8/5
7:00 am-1:20 pm
1 stop8h 20m
$349
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sat 5/23
2:10 pm-8:26 pm
Nonstop4h 16m
Chicago O'Hare Intl
Tue 6/30
5:00 am-9:07 am
1 stop6h 07m
$350
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Wed 7/29
4:00 pm-12:44 am
1 stop6h 44m
Chicago O'Hare Intl
Sat 8/1
5:00 am-9:07 am
1 stop6h 07m
$359
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Tue 5/19
2:00 pm-11:57 pm
1 stop7h 57m
Chicago O'Hare Intl
Sun 5/24
7:12 am-4:41 pm
1 stop11h 29m
$384
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Tue 5/26
6:45 am-1:09 pm
Nonstop4h 24m
Chicago O'Hare Intl
Thu 5/28
5:00 am-9:07 am
1 stop6h 07m
$402
Quickest round-trip
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Thu 7/23
6:45 am-1:09 pm
Nonstop4h 24m
Chicago O'Hare Intl
Fri 8/14
7:45 pm-10:14 pm
Nonstop4h 29m
$408
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sat 5/30
3:08 pm-9:39 pm
Nonstop4h 31m
Chicago O'Hare Intl
Tue 6/2
8:15 am-10:41 am
Nonstop4h 26m
$429
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Fri 7/24
3:11 pm-9:50 pm
Nonstop4h 39m
Chicago O'Hare Intl
Sat 7/25
6:44 pm-9:06 pm
Nonstop4h 22m
$429
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Wed 7/29
3:05 pm-12:45 am
1 stop7h 40m
Chicago O'Hare Intl
Sun 8/2
5:00 am-9:07 am
1 stop6h 07m
$444
Showing 1-10 of 24 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 May.
| 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, August is the cheapest month in which you can book a flight from Santa Ana, California to Chicago O'Hare Intl Airport (average of $359). Flying from Santa Ana, California to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $477). 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 May 6, 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 182 minutes.
What is the most punctual flight time for Santa Ana to Chicago flights?
Historically, flights departing in the evening 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 May 6, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andUnited Airlines 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.
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Food
7.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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 locationsRosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Downers Grove
Oakbrook Terrace
Benton Harbor
Hoffman Estates
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Arlington Heights
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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 May 6, 2026.
Santa Ana and O'Hare Intl flights
Browse other Santa Ana and O'Hare Intl flight options. Last updated on May 6, 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 May 6, 2026.
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Top 7 airlines flying from Santa Ana to O'Hare Intl
Discover the top 7 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$195 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$152 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$469 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$258 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$269 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$465 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$448 | FlexibilityNo cancel fee | On-time63% |