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Cheap flights from Santa Ana, California to Chicago from $149

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 12/29. 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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0 bags

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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.
American Airlines Logo
11:42 am - 5:52 pm
SNA
-
ORD
4h 10mnonstop
American Airlines Logo
8:15 am - 10:49 am
ORD
-
SNA
4h 34mnonstop
$269American Airlines
Thu, Jan 8 - Tue, Jan 13
American Airlines Logo
11:42 am - 5:52 pm
SNA
-
ORD
4h 10mnonstop
American Airlines Logo
7:30 pm - 10:01 pm
ORD
-
SNA
4h 31mnonstop
$270American Airlines
Thu, Jan 8 - Wed, Jan 14
Spirit Airlines Logo
6:45 am - 11:22 am
SNA
-
ORD
26h 37m3 stops
Spirit Airlines Logo
7:20 am - 12:25 pm
ORD
-
SNA
31h 05m2 stops
$271Spirit Airlines
Wed, Jan 7 - Wed, Jan 14
Frontier Logo
10:30 am - 6:58 pm
SNA
-
ORD
6h 28m1 stop
Frontier Logo
6:15 am - 2:11 pm
ORD
-
SNA
9h 56m1 stop
$272Frontier
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
5:27 pm - 3:59 pm
SNA
-
ORD
20h 32m1 stop
Frontier Logo
7:00 am - 8:55 am
ORD
-
SNA
27h 55m1 stop
$273Frontier
Thu, Mar 12 - Tue, Mar 17
Spirit Airlines Logo
6:45 am - 2:17 pm
SNA
-
ORD
29h 32m3 stops
Spirit Airlines Logo
5:32 pm - 8:57 pm
ORD
-
SNA
29h 25m3 stops
$274Spirit Airlines
Thu, Jan 29 - Sat, Jan 31
United Airlines Logo
8:00 am - 5:06 pm
SNA
-
ORD
7h 06m1 stop
United Airlines Logo
7:48 pm - 10:24 pm
ORD
-
SNA
4h 36mnonstop
$275United Airlines
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
6:45 am - 5:10 pm
SNA
-
ORD
8h 25m1 stop
Multiple Airlines Logo
8:49 pm - 12:46 pm
ORD
-
SNA
17h 57m1 stop
$276Multiple Airlines
Wed, Jan 7 - Sun, Jan 11
Spirit Airlines Logo
1:20 pm - 11:22 am
SNA
-
ORD
20h 02m2 stops
Spirit Airlines Logo
9:18 am - 8:57 pm
ORD
-
SNA
37h 39m3 stops
$277Spirit Airlines
Mon, Feb 23 - Mon, Mar 2
Spirit Airlines Logo
4:37 pm - 11:22 am
SNA
-
ORD
16h 45m2 stops
Spirit Airlines Logo
7:20 am - 12:25 pm
ORD
-
SNA
31h 05m2 stops
$278Spirit Airlines
Tue, Jan 13 - Tue, Jan 20

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

Our best American Airlines deals on Santa Ana, California to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jan 8
SNA11:42 amSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD5:52 pmChicago O'Hare Intl
Jan 14
ORD7:30 pmChicago O'Hare Intl
4h 31m
SNA10:01 pmSanta Ana J. Wayne/Orange Cnty
$270
Find similar
American Airlines
Feb 12
SNA7:45 amSanta Ana J. Wayne/Orange Cnty
4h 03m
ORD1:48 pmChicago O'Hare Intl
Feb 18
ORD5:00 amChicago O'Hare Intl
9h 33m
1 stop
SNA12:33 pmSanta Ana J. Wayne/Orange Cnty
$294
Find similar
American Airlines
Dec 25
SNA10:22 amSanta Ana J. Wayne/Orange Cnty
4h 16m
ORD4:38 pmChicago O'Hare Intl
Jan 4
ORD6:48 pmChicago O'Hare Intl
4h 38m
SNA9:26 pmSanta Ana J. Wayne/Orange Cnty
$305
Find similar

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

Our best Spirit Airlines deals on Santa Ana, California to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
Jan 7
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
26h 37m
3 stops
ORD11:22 amChicago O'Hare Intl
Jan 14
ORD7:20 amChicago O'Hare Intl
31h 05m
2 stops
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
$271
Find similar
Spirit Airlines
Feb 23
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
20h 02m
2 stops
ORD11:22 amChicago O'Hare Intl
Mar 2
ORD9:18 amChicago O'Hare Intl
37h 39m
3 stops
SNA8:57 pmSanta Ana J. Wayne/Orange Cnty
$277
Find similar
Spirit Airlines
Jan 13
SNA4:37 pmSanta Ana J. Wayne/Orange Cnty
16h 45m
2 stops
ORD11:22 amChicago O'Hare Intl
Jan 20
ORD7:20 amChicago O'Hare Intl
31h 05m
2 stops
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
$278
Find similar

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 December 18, 2025.
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

Thu 1/8

11:42 am-5:52 pm

Nonstop4h 10m

Chicago O'Hare Intl

Tue 1/13

8:15 am-10:49 am

Nonstop4h 34m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

11:42 am-5:52 pm

Nonstop4h 10m

Chicago O'Hare Intl

Wed 1/14

7:30 pm-10:01 pm

Nonstop4h 31m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 1/7

6:45 am-11:22 am

3 stops26h 37m

Chicago O'Hare Intl

Wed 1/14

7:20 am-12:25 pm

2 stops31h 05m

$271

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 1/9

10:30 am-6:58 pm

1 stop6h 28m

Chicago O'Hare Intl

Sun 1/11

6:15 am-2:11 pm

1 stop9h 56m

$272

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 3/12

5:27 pm-3:59 pm

1 stop20h 32m

Chicago O'Hare Intl

Tue 3/17

7:00 am-8:55 am

1 stop27h 55m

$273

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/29

6:45 am-2:17 pm

3 stops29h 32m

Chicago O'Hare Intl

Sat 1/31

5:32 pm-8:57 pm

3 stops29h 25m

$274

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 1/7

8:00 am-5:06 pm

1 stop7h 06m

Chicago O'Hare Intl

Sun 1/11

7:48 pm-10:24 pm

Nonstop4h 36m

$275

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 1/7

6:45 am-5:10 pm

1 stop8h 25m

Chicago O'Hare Intl

Sun 1/11

8:49 pm-12:46 pm

1 stop17h 57m

$276

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

1:20 pm-11:22 am

2 stops20h 02m

Chicago O'Hare Intl

Mon 3/2

9:18 am-8:57 pm

3 stops37h 39m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 1/13

4:37 pm-11:22 am

2 stops16h 45m

Chicago O'Hare Intl

Tue 1/20

7:20 am-12:25 pm

2 stops31h 05m

$278

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 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 $432.

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 $266 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $453. 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 $318 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 3% 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 December 2025, prices for Santa Ana, California to Chicago O'Hare Intl Airport flights are approximately 141% more expensive 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

$211

Fastest flight time

4h 03m

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 $211. 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 $376.
The fastest flight from Santa Ana, California to Chicago O'Hare Intl Airport takes 4h 03m
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 03m.

  • 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
8,190 reviews
Search Spirit Airlines flights
FrontierPriceFrom $110Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $336Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

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

    Alaska Airlines operates around 9 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 $474, 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 11,477 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 $446. United Airlines operates 9 flights to Chicago O'Hare Intl Airport from Santa Ana, California in an average week. Users have rated it 7.4/10 across 9,091 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
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Aurora
Elgin
Benton Harbor

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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