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O'Hare Intl

$124+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl are usually found in August or May, 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

Cheapest flights from Santa Ana to O'Hare Intl
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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 3/32:22 pm
SNA
-
ORD
Nonstop4h 03m
United Airlines
Mon 3/97:40 pm
ORD
-
SNA
Nonstop4h 46m
United Airlines
Deal found 2/1$269
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:23 pm
SNA
-
ORD
Nonstop4h 12m
American Airlines
Tue 3/108:10 am
ORD
-
SNA
Nonstop4h 36m
American Airlines
Deal found 2/2$270
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/196:48 pm
SNA
-
ORD
1 stop23h 29m
Multiple Airlines
Mon 2/237:35 am
ORD
-
SNA
2 stops15h 22m
Multiple Airlines
Deal found 2/3$271
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 4/13:24 pm
SNA
-
ORD
Nonstop4h 12m
American Airlines
Sat 4/47:05 am
ORD
-
SNA
1 stop11h 06m
American Airlines
Deal found 2/1$272
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/87:53 pm
SNA
-
ORD
1 stop8h 19m
Frontier
Wed 3/118:55 pm
ORD
-
SNA
1 stop23h 16m
Frontier
Deal found 2/2$273
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sun 5/38:20 pm
SNA
-
ORD
1 stop8h 27m
Frontier
Mon 5/49:03 am
ORD
-
SNA
2 stops11h 08m
Frontier
Deal found 2/1$274
This CheapOair deal was found by Cheapflights users on 2/1. 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.
Fri 4/241:20 pm
SNA
-
ORD
1 stop14h 11m
Spirit Airlines
Sun 4/267:41 am
ORD
-
SNA
2 stops10h 01m
Spirit Airlines
Deal found 2/1$275
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 5/158:20 pm
SNA
-
ORD
1 stop8h 27m
Multiple Airlines
Sun 5/178:53 pm
ORD
-
SNA
1 stop23h 18m
Multiple Airlines
Deal found 2/2$276
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 3/275:42 pm
SNA
-
ORD
2 stops18h 34m
Multiple Airlines
Mon 3/308:55 pm
ORD
-
SNA
1 stop19h 03m
Multiple Airlines
Deal found 2/2$277
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:45 am
SNA
-
ORD
2 stops21h 01m
Spirit Airlines
Sun 4/196:00 am
ORD
-
SNA
2 stops16h 57m
Spirit Airlines
Deal found 2/2$278
This United Airlines deal was found by Cheapflights users on 2/3. 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 8/2711:05 am
SNA
-
ORD
Nonstop4h 00m
United Airlines
Sat 8/296:00 am
ORD
-
SNA
1 stop7h 17m
United Airlines
Deal found 2/3$279

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$124
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$386

Good round-trip deal

$360 or less

Good one-way deal

$270 or less
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-Chicago O'Hare Intl flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl.
Search Deals

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 February 3, 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

Santa Ana

Fly to

O'Hare Intl

Route

Depart

Return

Price

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

6:45 am-12:55 pm

Nonstop4h 10m

Chicago O'Hare Intl

Tue 3/10

10:48 am-5:52 pm

1 stop9h 04m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 2/24

10:51 am-4:54 pm

Nonstop4h 03m

Chicago O'Hare Intl

Sat 2/28

4:00 pm-9:45 pm

1 stop7h 45m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 3/24

2:22 pm-8:25 pm

Nonstop4h 03m

Chicago O'Hare Intl

Mon 3/30

7:49 pm-10:30 pm

Nonstop4h 41m

$288

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 4/10

2:53 pm-2:16 pm

2 stops21h 23m

Chicago O'Hare Intl

Sun 4/12

3:21 pm-9:53 am

2 stops20h 32m

$295

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 5/14

7:30 am-6:47 am

1 stop21h 17m

Chicago O'Hare Intl

Sun 5/17

7:43 am-6:11 pm

2 stops12h 28m

$298

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 4/11

3:12 pm-9:29 pm

Nonstop4h 17m

Chicago O'Hare Intl

Sun 4/12

5:00 am-8:55 am

1 stop5h 55m

$313

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 3/6

11:15 am-11:52 pm

1 stop10h 37m

Chicago O'Hare Intl

Thu 3/12

2:20 pm-10:29 pm

1 stop10h 09m

$337

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 3/5

6:45 am-3:05 pm

1 stop6h 20m

Chicago O'Hare Intl

Sat 3/7

3:05 pm-10:15 pm

2 stops9h 10m

$342

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 4/11

2:53 pm-2:16 pm

2 stops21h 23m

Chicago O'Hare Intl

Sun 4/12

4:36 pm-9:53 am

2 stops19h 17m

$343

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 3/18

8:10 am-6:50 pm

1 stop8h 40m

Chicago O'Hare Intl

Thu 3/19

4:15 pm-9:15 pm

1 stop7h 00m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 21 results
1
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

How far ahead should I book a flight from Santa Ana, California to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to O'Hare Intl. Price data was last updated on January 30, 2026.

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 65 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, March is the cheapest month in which you can book a flight from Santa Ana, California to Chicago O'Hare Intl Airport (average of $77). Flying from Santa Ana, California to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $147). 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 February 3, 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.

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
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Scott Laird

Scott Laird

Expert on SNA

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

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 February 3, 2026.
See what other customers who have flown with Alaska Airlines, United Airlines, and American 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.
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,835 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,236 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,217 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Spirit Airlines
6.3
Okay
8,407 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,051 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • What airport do you fly from for flights from Santa Ana to Chicago O'Hare Intl?

    Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to Chicago O'Hare Intl. On average, J. Wayne/Orange Cnty has 19 outbound flights to Chicago O'Hare Intl per day from 6 airlines. Santa Ana J. Wayne/Orange Cnty is conveniently located just 4.8 mi from Santa Ana’s city center.

  • How long is the flight from Santa Ana, California to Chicago O'Hare Intl Airport?

    Airlines like United Airlines, American Airlines, and Frontier fly from Santa Ana, California to Chicago O'Hare Intl Airport in about 4h 03m. The time it takes to get you to your destination can typically vary by up to 4h 16m. Airlines will cover a distance of 1721 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Santa Ana, California to Chicago O'Hare Intl Airport round-trip?

    Spirit Airlines, at $103, was found to be the cheapest airline from Santa Ana, California to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Frontier and Alaska Airlines. Users have found that Spirit Airlines is 74% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Santa Ana, California to Chicago O'Hare Intl Airport one-way?

    The cheapest airlines for a one-way flight from Santa Ana, California to Chicago O'Hare Intl Airport are Spirit Airlines ($67), Frontier ($74), and Delta ($129).

  • What are the most reliable airlines from Santa Ana, California to Chicago O'Hare Intl Airport?

    Consider Royal Jordanian (91%), United Airlines (86%) or Emirates (85%) when booking your flight. These represent the most reliable airlines when flying from Santa Ana, California to Chicago O'Hare Intl Airport.

  • What are the cheapest flights from Santa Ana, California to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Santa Ana, California to Chicago O'Hare Intl Airport? While on average our users pay $891, our data indicates the cheapest price to be $158. The most popular route (Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl), is priced around $151.

  • Can I find deals for flights from Santa Ana to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Santa Ana to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Ana to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Ana to O'Hare Intl.

  • Can I find deals for business class flights from Santa Ana to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Santa Ana to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Ana, California to Chicago O'Hare Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Santa Ana, California to Chicago O'Hare Intl Airport (average of $77). Flying from Santa Ana, California to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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

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Alternative routes for Santa Ana to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$103Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$152Average$232FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$190Average$476FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$269Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$269Average$380FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$336Average$446FlexibilityNo cancel feeOn-time63%

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