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Cheap flights from Santa Ana to Chicago from $109

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 to Chicago departing on 9/25. 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 to Chicago (SNA-ORD)

Cheap round-trip flights

Spirit Airlines Logo
8:09 pm - 5:35 amSNA-ORD
7h 26m1 stop
Spirit Airlines Logo
6:40 am - 10:03 pmORD-SNA
17h 23m1 stop
$269Spirit Airlines
Find Deal
Fri, Oct 10 - Tue, Oct 14
American Airlines Logo
11:35 am - 5:49 pmSNA-ORD
4h 14mnonstop
American Airlines Logo
6:45 am - 9:04 amORD-SNA
4h 19mnonstop
$270American Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 28
Spirit Airlines Logo
2:15 pm - 10:42 amSNA-ORD
18h 27m2 stops
Spirit Airlines Logo
9:00 am - 10:05 pmORD-SNA
15h 05m1 stop
$272Spirit Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
United Airlines Logo
1:48 pm - 7:59 pmSNA-ORD
4h 11mnonstop
United Airlines Logo
5:01 am - 9:17 amORD-SNA
6h 16m1 stop
$275United Airlines
Find Deal
Fri, Sep 26 - Sat, Oct 4
Frontier Logo
11:52 am - 11:59 pmSNA-ORD
10h 07m1 stop
Frontier Logo
6:00 am - 11:07 amORD-SNA
7h 07m1 stop
$276Frontier
Find Deal
Mon, Sep 8 - Fri, Sep 12
Delta Logo
1:49 pm - 9:57 pmSNA-ORD
6h 08m1 stop
Delta Logo
2:10 pm - 6:08 pmORD-SNA
5h 58m1 stop
$277Delta
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Tue, Sep 16 - Tue, Oct 28
United Airlines Logo
10:30 am - 4:41 pmSNA-ORD
4h 11mnonstop
United Airlines Logo
5:00 am - 9:16 amORD-SNA
6h 16m1 stop
$279United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
Delta Logo
11:15 am - 11:55 pmSNA-ORD
10h 40m1 stop
Delta Logo
5:30 am - 12:42 pmORD-SNA
9h 12m1 stop
$283Delta
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Wed, Sep 17 - Fri, Sep 26
Frontier Logo
8:38 pm - 10:40 amSNA-ORD
12h 02m2 stops
Frontier Logo
6:00 am - 11:07 amORD-SNA
7h 07m1 stop
$284Frontier
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Mon, Sep 15 - Sun, Sep 21
American Airlines Logo
2:59 pm - 9:09 pmSNA-ORD
4h 10mnonstop
American Airlines Logo
8:20 am - 10:48 amORD-SNA
4h 28mnonstop
$307American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14

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

Our best American Airlines deals on Santa Ana to Chicago O'Hare Intl Airport flight tickets
American Airlines
Sep 5
SNA11:35 amSanta Ana J. Wayne/Orange Cnty
4h 14m
ORD5:49 pmChicago O'Hare Intl
Sep 28
ORD6:45 amChicago O'Hare Intl
4h 19m
SNA9:04 amSanta Ana J. Wayne/Orange Cnty
$270
Find similar
American Airlines
Sep 8
SNA11:35 amSanta Ana J. Wayne/Orange Cnty
4h 14m
ORD5:49 pmChicago O'Hare Intl
Sep 15
ORD6:45 amChicago O'Hare Intl
4h 19m
SNA9:04 amSanta Ana J. Wayne/Orange Cnty
$294
Find similar
American Airlines
Oct 9
SNA2:59 pmSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD9:09 pmChicago O'Hare Intl
Oct 14
ORD8:20 amChicago O'Hare Intl
4h 28m
SNA10:48 amSanta Ana J. Wayne/Orange Cnty
$307
Find similar

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

Our best Frontier deals on Santa Ana to Chicago O'Hare Intl Airport flight tickets
Frontier
Sep 8
SNA11:52 amSanta Ana J. Wayne/Orange Cnty
10h 07m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 12
ORD6:00 amChicago O'Hare Intl
7h 07m
1 stop
SNA11:07 amSanta Ana J. Wayne/Orange Cnty
$276
Find similar
Frontier
Sep 15
SNA8:38 pmSanta Ana J. Wayne/Orange Cnty
12h 02m
2 stops
ORD10:40 amChicago O'Hare Intl
Sep 21
ORD6:00 amChicago O'Hare Intl
7h 07m
1 stop
SNA11:07 amSanta Ana J. Wayne/Orange Cnty
$284
Find similar
Frontier
Sep 19
SNA10:41 amSanta Ana J. Wayne/Orange Cnty
9h 59m
1 stop
ORD10:40 pmChicago O'Hare Intl
Sep 26
ORD6:00 amChicago O'Hare Intl
7h 07m
1 stop
SNA11:07 amSanta Ana J. Wayne/Orange Cnty
$285
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 August 26, 2025.
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

Price

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/10

8:09 pm-5:35 am

1 stop7h 26m

Chicago O'Hare Intl

Tue 10/14

6:40 am-10:03 pm

1 stop17h 23m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 9/5

11:35 am-5:49 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sun 9/28

6:45 am-9:04 am

Nonstop4h 19m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 9/6

2:15 pm-10:42 am

2 stops18h 27m

Chicago O'Hare Intl

Wed 9/10

9:00 am-10:05 pm

1 stop15h 05m

$272

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 9/26

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

Sat 10/4

5:01 am-9:17 am

1 stop6h 16m

$275

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

11:52 am-11:59 pm

1 stop10h 07m

Chicago O'Hare Intl

Fri 9/12

6:00 am-11:07 am

1 stop7h 07m

$276

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 9/16

1:49 pm-9:57 pm

1 stop6h 08m

Chicago O'Hare Intl

Tue 10/28

2:10 pm-6:08 pm

1 stop5h 58m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 9/17

10:30 am-4:41 pm

Nonstop4h 11m

Chicago O'Hare Intl

Tue 9/23

5:00 am-9:16 am

1 stop6h 16m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 9/17

11:15 am-11:55 pm

1 stop10h 40m

Chicago O'Hare Intl

Fri 9/26

5:30 am-12:42 pm

1 stop9h 12m

$283

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 9/15

8:38 pm-10:40 am

2 stops12h 02m

Chicago O'Hare Intl

Sun 9/21

6:00 am-11:07 am

1 stop7h 07m

$284

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 10/9

2:59 pm-9:09 pm

Nonstop4h 10m

Chicago O'Hare Intl

Tue 10/14

8:20 am-10:48 am

Nonstop4h 28m

$307

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 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 August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Santa Ana averaging around $369.

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 Wednesday when prices can be found for as low as $357. 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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $454.

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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $279 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $441. 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $406 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 for as low as $325 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 to Chicago O'Hare Intl Airport flight prices changed over time?

As of August 2025, prices for Santa Ana to Chicago O'Hare Intl Airport flights are approximately 9% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Ana 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 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 to Chicago O'Hare Intl Airport

Best Price Found

$212

Fastest flight time

4h 03m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Santa Ana in the past 72 hours is $212. The best round-trip flight deal from Santa Ana to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $348.
The fastest flight from Santa Ana to Chicago O'Hare Intl Airport takes 4h 03m
Direct flights go from Santa Ana 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 10m.

  • 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 to Chicago O'Hare Intl Airport?

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

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

Compare and see reviews for airlines that fly from Santa Ana to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,200 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $116Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights

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

    Alaska Airlines operates around 11 flights from Santa Ana to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $442, but momondo users have found Alaska Airlines deals from Santa Ana to Chicago O'Hare Intl Airport from as low as $190 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

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

    United Airlines is also a popular choice for this route. United Airlines flight deals for Santa Ana 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 $481. United Airlines operates 13 flights to Chicago O'Hare Intl Airport from Santa Ana in an average week. Users have rated it 7.4/10 across 8,943 reviews.

Traveling to a place near Chicago?

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