Cheap flights from Santa Ana, California to Chicago from $134

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 10/30. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:51 am - 5:00 pmSNA-ORD
4h 09mnonstop
United Airlines Logo
7:48 pm - 10:24 pmORD-SNA
4h 36mnonstop
$269United Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
3:08 pm - 9:17 pmSNA-ORD
4h 09mnonstop
American Airlines Logo
8:05 am - 10:42 amORD-SNA
4h 37mnonstop
$270American Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 19
Spirit Airlines Logo
6:45 am - 6:25 amSNA-ORD
21h 40m2 stops
Spirit Airlines Logo
8:52 pm - 11:03 amORD-SNA
16h 11m2 stops
$271Spirit Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 4
Spirit Airlines Logo
6:45 am - 7:28 amSNA-ORD
22h 43m3 stops
Spirit Airlines Logo
9:22 pm - 12:36 pmORD-SNA
17h 14m2 stops
$272Spirit Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9
Alaska Airlines Logo
6:45 am - 4:55 pmSNA-ORD
8h 10m1 stop
Alaska Airlines Logo
2:05 pm - 8:11 pmORD-SNA
8h 06m1 stop
$274Alaska Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
United Airlines Logo
7:34 pm - 5:33 amSNA-ORD
7h 59m1 stop
United Airlines Logo
7:35 pm - 10:13 pmORD-SNA
4h 38mnonstop
$275United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Frontier Logo
12:01 pm - 3:39 pmSNA-ORD
25h 38m1 stop
Frontier Logo
7:15 am - 1:35 pmORD-SNA
8h 20m1 stop
$282Frontier
Find Deal
Mon, Nov 3 - Sat, Nov 8
Frontier Logo
1:49 pm - 12:50 amSNA-ORD
9h 01m1 stop
Frontier Logo
6:05 pm - 1:30 pmORD-SNA
21h 25m1 stop
$283Frontier
Find Deal
Sun, Nov 16 - Tue, Nov 18
American Airlines Logo
2:59 pm - 9:09 pmSNA-ORD
4h 10mnonstop
American Airlines Logo
8:05 am - 10:42 amORD-SNA
4h 37mnonstop
$295American Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
Alaska Airlines Logo
12:33 pm - 11:55 pmSNA-ORD
9h 22m1 stop
Alaska Airlines Logo
9:00 am - 6:38 pmORD-SNA
11h 38m2 stops
$301Alaska Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 13

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
Nov 13
SNA3:08 pmSanta Ana J. Wayne/Orange Cnty
4h 09m
ORD9:17 pmChicago O'Hare Intl
Nov 19
ORD8:05 amChicago O'Hare Intl
4h 37m
SNA10:42 amSanta Ana J. Wayne/Orange Cnty
American Airlines
Oct 31
SNA2:59 pmSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD9:09 pmChicago O'Hare Intl
Nov 3
ORD8:05 amChicago O'Hare Intl
4h 37m
SNA10:42 amSanta Ana J. Wayne/Orange Cnty
American Airlines
Oct 31
SNA2:59 pmSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD9:09 pmChicago O'Hare Intl
Nov 4
ORD8:05 amChicago O'Hare Intl
4h 37m
SNA10:42 amSanta Ana J. Wayne/Orange Cnty

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
Oct 29
SNA8:09 pmSanta Ana J. Wayne/Orange Cnty
14h 22m
1 stop
ORD12:31 pmChicago O'Hare Intl
Nov 5
ORD1:48 pmChicago O'Hare Intl
24h 48m
3 stops
SNA12:36 pmSanta Ana J. Wayne/Orange Cnty
Spirit Airlines
Dec 2
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
21h 40m
2 stops
ORD6:25 amChicago O'Hare Intl
Dec 4
ORD8:52 pmChicago O'Hare Intl
16h 11m
2 stops
SNA11:03 amSanta Ana J. Wayne/Orange Cnty
Spirit Airlines
Nov 5
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
22h 43m
3 stops
ORD7:28 amChicago O'Hare Intl
Nov 9
ORD9:22 pmChicago O'Hare Intl
17h 14m
2 stops
SNA12:36 pmSanta Ana J. Wayne/Orange Cnty

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 October 22, 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

10:51 am-5:00 pm

Nonstop4h 09m

Chicago O'Hare Intl

Mon 1/12

7:48 pm-10:24 pm

Nonstop4h 36m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 11/13

3:08 pm-9:17 pm

Nonstop4h 09m

Chicago O'Hare Intl

Wed 11/19

8:05 am-10:42 am

Nonstop4h 37m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 12/2

6:45 am-6:25 am

2 stops21h 40m

Chicago O'Hare Intl

Thu 12/4

8:52 pm-11:03 am

2 stops16h 11m

$271

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 11/5

6:45 am-7:28 am

3 stops22h 43m

Chicago O'Hare Intl

Sun 11/9

9:22 pm-12:36 pm

2 stops17h 14m

$272

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 12/6

6:45 am-4:55 pm

1 stop8h 10m

Chicago O'Hare Intl

Wed 12/10

2:05 pm-8:11 pm

1 stop8h 06m

$274

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 11/14

7:34 pm-5:33 am

1 stop7h 59m

Chicago O'Hare Intl

Sun 11/16

7:35 pm-10:13 pm

Nonstop4h 38m

$275

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 11/3

12:01 pm-3:39 pm

1 stop25h 38m

Chicago O'Hare Intl

Sat 11/8

7:15 am-1:35 pm

1 stop8h 20m

$282

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sun 11/16

1:49 pm-12:50 am

1 stop9h 01m

Chicago O'Hare Intl

Tue 11/18

6:05 pm-1:30 pm

1 stop21h 25m

$283

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/31

2:59 pm-9:09 pm

Nonstop4h 10m

Chicago O'Hare Intl

Mon 11/3

8:05 am-10:42 am

Nonstop4h 37m

$295

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

12:33 pm-11:55 pm

1 stop9h 22m

Chicago O'Hare Intl

Tue 1/13

9:00 am-6:38 pm

2 stops11h 38m

$301

Flights are sorted by cheapest round-trip flights 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 January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Santa Ana, California averaging around $373.

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 $355. 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 $444.

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 $276 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $445. 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 $404 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 $321 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.

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

As of October 2025, prices for Santa Ana, California to Chicago O'Hare Intl Airport flights are approximately 4% 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

$220

Fastest flight time

3h 55m

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 $220. 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 $360.
The fastest flight from Santa Ana, California to Chicago O'Hare Intl Airport takes 3h 55m
Direct flights go from Santa Ana, California to Chicago O'Hare Intl Airport every day.
  • 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
FrontierPriceFrom $110Free CancellationRating
5.8
3,129 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
11,141 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,027 reviews
Search American Airlines flights
  • Alaska Airlines Flights From Santa Ana, California to Chicago O'Hare Intl Airport

    Alaska Airlines operates around 27 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 11,141 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 $467. United Airlines operates 14 flights to Chicago O'Hare Intl Airport from Santa Ana, California in an average week. Users have rated it 7.4/10 across 8,988 reviews.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Orland Park
Hammond
Tinley Park
Janesville
Elgin
Aurora
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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Fri 11/21
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