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Cheap flights from Santa Ana, California to Chicago from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana, California to Chicago departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Santa Ana, California to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:22 pm - 8:25 pm
SNA
-
ORD
4h 03mnonstop
United Airlines Logo
7:44 pm - 10:30 pm
ORD
-
SNA
4h 46mnonstop
$269United Airlines
Sat, Feb 14 - Mon, Feb 16
Multiple Airlines Logo
1:20 pm - 2:54 pm
SNA
-
ORD
23h 34m
2 stops
Multiple Airlines Logo
8:55 pm - 5:11 pm
ORD
-
SNA
22h 16m
1 stop
$272Multiple Airlines
Wed, Mar 4 - Sat, Mar 7
Multiple Airlines Logo
7:10 pm - 5:03 pm
SNA
-
ORD
19h 53m
1 stop
Multiple Airlines Logo
7:19 pm - 12:25 pm
ORD
-
SNA
19h 06m
1 stop
$273Multiple Airlines
Mon, Feb 16 - Mon, Feb 23
Multiple Airlines Logo
12:25 pm - 11:51 am
SNA
-
ORD
21h 26m
2 stops
Multiple Airlines Logo
7:19 pm - 12:25 pm
ORD
-
SNA
19h 06m
1 stop
$274Multiple Airlines
Sat, Feb 14 - Mon, Feb 16
Multiple Airlines Logo
6:45 am - 8:17 pm
SNA
-
ORD
11h 32m
2 stops
Multiple Airlines Logo
7:19 pm - 12:25 pm
ORD
-
SNA
19h 06m
1 stop
$275Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Frontier Logo
8:58 am - 9:03 pm
SNA
-
ORD
10h 05m
1 stop
Frontier Logo
6:03 pm - 10:46 am
ORD
-
SNA
18h 43m
1 stop
$276Frontier
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
4:37 pm - 6:08 am
SNA
-
ORD
11h 31m
1 stop
Multiple Airlines Logo
1:02 pm - 11:34 am
ORD
-
SNA
24h 32m
2 stops
$277Multiple Airlines
Mon, Mar 30 - Thu, Apr 2
Multiple Airlines Logo
5:54 pm - 3:59 pm
SNA
-
ORD
20h 05m
1 stop
Multiple Airlines Logo
8:55 pm - 12:22 pm
ORD
-
SNA
17h 27m
1 stop
$278Multiple Airlines
Fri, Mar 13 - Mon, Mar 16
United Airlines Logo
12:23 pm - 10:58 pm
SNA
-
ORD
8h 35m
1 stop
United Airlines Logo
7:44 pm - 10:30 pm
ORD
-
SNA
4h 46mnonstop
$279United Airlines
Wed, Feb 11 - Mon, Feb 16
American Airlines Logo
3:24 pm - 9:36 pm
SNA
-
ORD
4h 12mnonstop
American Airlines Logo
8:10 am - 10:46 am
ORD
-
SNA
4h 36mnonstop
$280American Airlines
Wed, Apr 1 - Sat, Apr 4

United Airlines flights from Santa Ana, California to Chicago O'Hare Intl Airport

Our best United Airlines deals on Santa Ana, California to Chicago O'Hare Intl Airport flight tickets
United Airlines
Feb 14
SNA2:22 pmSanta Ana J. Wayne/Orange Cnty
4h 03m
ORD8:25 pmChicago O'Hare Intl
Feb 16
ORD7:44 pmChicago O'Hare Intl
4h 46m
SNA10:30 pmSanta Ana J. Wayne/Orange Cnty
$269
United Airlines
Apr 1
SNA2:20 pmSanta Ana J. Wayne/Orange Cnty
4h 05m
ORD8:25 pmChicago O'Hare Intl
Apr 4
ORD2:30 pmChicago O'Hare Intl
8h 18m
1 stop
SNA8:48 pmSanta Ana J. Wayne/Orange Cnty
$279
United Airlines
Apr 1
SNA2:20 pmSanta Ana J. Wayne/Orange Cnty
4h 05m
ORD8:25 pmChicago O'Hare Intl
Apr 5
ORD6:25 amChicago O'Hare Intl
7h 53m
1 stop
SNA12:18 pmSanta Ana J. Wayne/Orange Cnty
$298

Frontier flights from Santa Ana, California to Chicago O'Hare Intl Airport

Our best Frontier deals on Santa Ana, California to Chicago O'Hare Intl Airport flight tickets
Frontier
Feb 19
SNA8:58 amSanta Ana J. Wayne/Orange Cnty
10h 05m
1 stop
ORD9:03 pmChicago O'Hare Intl
Feb 22
ORD6:03 pmChicago O'Hare Intl
18h 43m
1 stop
SNA10:46 amSanta Ana J. Wayne/Orange Cnty
$276
Frontier
Mar 5
SNA8:58 amSanta Ana J. Wayne/Orange Cnty
19h 10m
1 stop
ORD6:08 amChicago O'Hare Intl
Mar 9
ORD7:00 amChicago O'Hare Intl
9h 36m
1 stop
SNA2:36 pmSanta Ana J. Wayne/Orange Cnty
$281
Frontier
Mar 13
SNA11:32 amSanta Ana J. Wayne/Orange Cnty
11h 35m
1 stop
ORD1:07 amChicago O'Hare Intl
Mar 17
ORD7:00 amChicago O'Hare Intl
27h 55m
1 stop
SNA8:55 amSanta Ana J. Wayne/Orange Cnty
$282

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana, California to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Santa Ana, California to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 2/14

2:22 pm-8:25 pm

Nonstop4h 03m

Chicago O'Hare Intl

Mon 2/16

7:44 pm-10:30 pm

Nonstop4h 46m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 3/4

1:20 pm-2:54 pm

2 stops23h 34m

Chicago O'Hare Intl

Sat 3/7

8:55 pm-5:11 pm

1 stop22h 16m

$272

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 2/16

7:10 pm-5:03 pm

1 stop19h 53m

Chicago O'Hare Intl

Mon 2/23

7:19 pm-12:25 pm

1 stop19h 06m

$273

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 2/14

12:25 pm-11:51 am

2 stops21h 26m

Chicago O'Hare Intl

Mon 2/16

7:19 pm-12:25 pm

1 stop19h 06m

$274

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 2/13

6:45 am-8:17 pm

2 stops11h 32m

Chicago O'Hare Intl

Mon 2/16

7:19 pm-12:25 pm

1 stop19h 06m

$275

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 2/19

8:58 am-9:03 pm

1 stop10h 05m

Chicago O'Hare Intl

Sun 2/22

6:03 pm-10:46 am

1 stop18h 43m

$276

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 3/30

4:37 pm-6:08 am

1 stop11h 31m

Chicago O'Hare Intl

Thu 4/2

1:02 pm-11:34 am

2 stops24h 32m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 3/13

5:54 pm-3:59 pm

1 stop20h 05m

Chicago O'Hare Intl

Mon 3/16

8:55 pm-12:22 pm

1 stop17h 27m

$278

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 2/11

12:23 pm-10:58 pm

1 stop8h 35m

Chicago O'Hare Intl

Mon 2/16

7:44 pm-10:30 pm

Nonstop4h 46m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 4/1

3:24 pm-9:36 pm

Nonstop4h 12m

Chicago O'Hare Intl

Sat 4/4

8:10 am-10:46 am

Nonstop4h 36m

$280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Santa Ana, California to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Santa Ana, California and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Santa Ana, California averaging around $375.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $352. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Santa Ana, California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $430.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Santa Ana, California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $268 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $452. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl flight route?

Fly from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl for the best Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Santa Ana, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Santa Ana, California for as low as $315 on momondo.

What cabin class options are available on Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Santa Ana, California to Chicago O'Hare Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Santa Ana, California to Chicago O'Hare Intl Airport flight.

How have Santa Ana, California to Chicago O'Hare Intl Airport flight prices changed over time?

As of January 2026, prices for Santa Ana, California to Chicago O'Hare Intl Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Santa Ana, California to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Ana, California to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santa Ana, California to Chicago O'Hare Intl Airport (SNA to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Ana, California to Chicago O'Hare Intl Airport

Best Price Found

$252

Fastest flight time

4h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Santa Ana, California in the past 72 hours is $252. The best round-trip flight deal from Santa Ana, California to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $342.
The fastest flight from Santa Ana, California to Chicago O'Hare Intl Airport takes 4h 00m
Direct flights go from Santa Ana, California to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl by plane?

    The distance between Santa Ana J. Wayne/Orange Cnty and Chicago O'Hare Intl is about 1718.9 mi. A reasonable flight in good conditions will take 4h 00m.

  • When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Santa Ana, California to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Santa Ana, California to Chicago O'Hare Intl Airport?

Best airlines flying from Santa Ana, California to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Santa Ana, California to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $103Free CancellationRating
6.3
8,350 reviews
Search Spirit Airlines flights
FrontierPriceFrom $110Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
11,760 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,179 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

  • Alaska Airlines Flights From Santa Ana, California to Chicago O'Hare Intl Airport

    Alaska Airlines operates around 20 flights from Santa Ana, California to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $476, but momondo users have found Alaska Airlines deals from Santa Ana, California to Chicago O'Hare Intl Airport from as low as $190 round-trip. Alaska Airlines has been scored 8.0/10 in 11,763 reviews.

  • United Airlines Flights From Santa Ana, California to Chicago O'Hare Intl Airport

    United Airlines is also a popular choice for this route. United Airlines flight deals for Santa Ana, California to Chicago O'Hare Intl Airport start from as low as $269 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $441. United Airlines operates 20 flights to Chicago O'Hare Intl Airport from Santa Ana, California in an average week. Users have rated it 7.4/10 across 9,186 reviews.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Santa Ana to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Santa Ana.

Can I find flights from Santa Ana to Chicago with flexible booking policies on momondo?

All flight searches from Santa Ana to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Santa Ana to Chicago?

Once all potential Santa Ana to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Santa Ana to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Santa Ana and alert you when they change.

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