What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to Illinois?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Illinois

How many flights depart from Santa Ana, California to Illinois on average per week?

As of July 2026, there are 140 flights per week flying from Santa Ana, California to Illinois. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.

How many flights depart from Santa Ana, California to Illinois on average per day?

The number of flights available between Santa Ana, California and Illinois is 20 per day as of July 2026. The most frequent departure time is 11:00AM, with 75% of daily flights leaving at noon.

What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from Santa Ana, California according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?

Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois are updated daily.

How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?

As of July 2026, there are 7 operators available to choose from for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.

How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$125 Cheap Flights from Santa Ana, California to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Santa Ana, California to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:13 pm - 6:15 pm

SNA

STL

24h 02m

1 stop

6:45 pm - 12:31 pm

STL

SNA

19h 46m

1 stop

$256Frontier

Wed, Aug 12 - Wed, Aug 19

7:53 pm - 6:05 pm

SNA

STL

20h 12m

1 stop

8:08 pm - 10:28 am

STL

SNA

16h 20m

1 stop

$266Frontier

Mon, Aug 10 - Wed, Aug 12

7:53 pm - 6:05 pm

SNA

STL

20h 12m

1 stop

8:08 pm - 3:01 pm

STL

SNA

20h 53m

2 stops

$303Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

2:27 pm - 5:42 am

SNA

ORD

13h 15m

2 stops

6:50 am - 4:15 pm

ORD

SNA

11h 25m

1 stop

$325Multiple Airlines

Mon, Sep 28 - Fri, Oct 2

2:10 pm - 8:24 pm

SNA

ORD

4h 14mnonstop

4:10 pm - 6:51 pm

ORD

SNA

4h 41mnonstop

$329United Airlines

Fri, Aug 28 - Sun, Aug 30

8:30 pm - 5:45 am

SNA

MDW

7h 15m

1 stop

7:20 am - 12:15 pm

MDW

SNA

6h 55m

1 stop

$329Southwest

Fri, Oct 30 - Fri, Nov 6

11:20 am - 5:49 pm

SNA

ORD

4h 29mnonstop

12:09 pm - 5:32 pm

ORD

SNA

7h 23m

1 stop

$330American Airlines

Sat, Sep 5 - Wed, Sep 9

7:20 am - 5:20 pm

SNA

MDW

8h 00m

2 stops

7:10 am - 10:50 am

MDW

SNA

5h 40m

1 stop

$330Southwest

Fri, Aug 28 - Mon, Aug 31

3:21 pm - 11:59 pm

SNA

BMI

6h 38m

1 stop

5:00 am - 10:30 am

BMI

SNA

7h 30m

1 stop

$349American Airlines

Tue, Aug 18 - Mon, Aug 24

2:10 pm - 11:16 pm

SNA

MLI

7h 06m

1 stop

3:44 pm - 10:25 pm

MLI

SNA

8h 41m

1 stop

$384United Airlines

Tue, Aug 4 - Fri, Aug 14

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Delta flights from Santa Ana, California to Illinois

Our best Delta deals on Santa Ana, California to Illinois flight tickets

Delta

Aug 10

SNA2:00 pmSanta Ana J. Wayne/Orange Cnty

7h 57m

1 stop

ORD11:57 pmChicago O'Hare Intl

Aug 18

ORD2:00 pmChicago O'Hare Intl

6h 22m

1 stop

SNA6:22 pmSanta Ana J. Wayne/Orange Cnty

$349

Delta

Sep 1

SNA9:52 amSanta Ana J. Wayne/Orange Cnty

9h 55m

2 stops

ORD9:47 pmChicago O'Hare Intl

Sep 10

ORD7:00 amChicago O'Hare Intl

8h 11m

1 stop

SNA1:11 pmSanta Ana J. Wayne/Orange Cnty

$354

Delta

Sep 23

SNA6:02 pmSanta Ana J. Wayne/Orange Cnty

13h 05m

2 stops

MDW9:07 amChicago Midway

Oct 3

MDW11:35 amChicago Midway

12h 29m

2 stops

SNA10:04 pmSanta Ana J. Wayne/Orange Cnty

$359

American Airlines flights from Santa Ana, California to Illinois

Our best American Airlines deals on Santa Ana, California to Illinois flight tickets

American Airlines

Sep 5

SNA11:20 amSanta Ana J. Wayne/Orange Cnty

4h 29m

ORD5:49 pmChicago O'Hare Intl

Sep 9

ORD12:09 pmChicago O'Hare Intl

7h 23m

1 stop

SNA5:32 pmSanta Ana J. Wayne/Orange Cnty

$330

American Airlines

Aug 10

SNA11:20 amSanta Ana J. Wayne/Orange Cnty

4h 29m

ORD5:49 pmChicago O'Hare Intl

Aug 18

ORD12:12 pmChicago O'Hare Intl

4h 19m

SNA2:31 pmSanta Ana J. Wayne/Orange Cnty

$344

American Airlines

Aug 18

SNA3:21 pmSanta Ana J. Wayne/Orange Cnty

6h 38m

1 stop

BMI11:59 pmBloomington-Normal

Aug 24

BMI5:00 amBloomington-Normal

7h 30m

1 stop

SNA10:30 amSanta Ana J. Wayne/Orange Cnty

$349

momondo Fare Finder

Use the filters below to find and compare flights from Santa Ana, California to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 8/12

4:13 pm-6:15 pm

1 stop24h 02m

Lambert-St Louis

Wed 8/19

6:45 pm-12:31 pm

1 stop19h 46m

$256

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 8/10

7:53 pm-6:05 pm

1 stop20h 12m

Lambert-St Louis

Wed 8/12

8:08 pm-10:28 am

1 stop16h 20m

$266

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 8/10

7:53 pm-6:05 pm

1 stop20h 12m

Lambert-St Louis

Mon 8/17

8:08 pm-3:01 pm

2 stops20h 53m

$303

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 9/28

2:27 pm-5:42 am

2 stops13h 15m

Chicago O'Hare Intl

Fri 10/2

6:50 am-4:15 pm

1 stop11h 25m

$325

Quickest round-trip

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 8/28

2:10 pm-8:24 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sun 8/30

4:10 pm-6:51 pm

Nonstop4h 41m

$329

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Fri 10/30

8:30 pm-5:45 am

1 stop7h 15m

Chicago Midway

Fri 11/6

7:20 am-12:15 pm

1 stop6h 55m

$329

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 9/5

11:20 am-5:49 pm

Nonstop4h 29m

Chicago O'Hare Intl

Wed 9/9

12:09 pm-5:32 pm

1 stop7h 23m

$330

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Fri 8/28

7:20 am-5:20 pm

2 stops8h 00m

Chicago Midway

Mon 8/31

7:10 am-10:50 am

1 stop5h 40m

$330

Santa AnaBloomington

SNA - BMI

SNABMI

Santa Ana J. Wayne/Orange Cnty

Tue 8/18

3:21 pm-11:59 pm

1 stop6h 38m

Bloomington-Normal

Mon 8/24

5:00 am-10:30 am

1 stop7h 30m

$349

Santa AnaMoline

SNA - MLI

SNAMLI

Santa Ana J. Wayne/Orange Cnty

Tue 8/4

2:10 pm-11:16 pm

1 stop7h 06m

Moline Quad-City

Fri 8/14

3:44 pm-10:25 pm

1 stop8h 41m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santa Ana, California to Illinois

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Santa Ana, California is in September. Flight prices, which tend to average around $378, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $383.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Santa Ana, California to Illinois is on a Saturday when prices can be found for as low as $456. Flights from Santa Ana, California to Illinois on a Monday will generally be more expensive and average around $648. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Santa Ana, California to Illinois during this time can be as low as $442. Flights in the morning are often more expensive with an average ticket price of $503.

What is the cheapest Santa Ana J. Wayne/Orange Cnty to Illinois flight route?

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

How far in advance should I book a flight from Santa Ana, California to Illinois?

You are more likely to see cheaper flights to Illinois from Santa Ana, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Santa Ana, California for as low as $361 on momondo.

What cabin class options are available on Santa Ana, California to Illinois flights?

There are 4 cabin classes available to choose from on Santa Ana, California to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Santa Ana, California to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Ana, California to Illinois

Best Price Found	$262
Fastest flight time	4h 00m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Santa Ana, California in the past 72 hours is $262. The best round-trip flight deal from Santa Ana, California to Illinois found on momondo in the last 72 hours is $392.

The fastest flight from Santa Ana, California to Illinois takes 4h 00m

Direct flights go from Santa Ana, California to Illinois every day.

There are 98 airports in Illinois. From Santa Ana, California there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Santa Ana, California to Illinois

When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois are updated daily.
How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
As of July 2026, there are 7 operators available to choose from for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.
How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Santa Ana, California to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Santa Ana, California to Illinois is Boeing 737 MAX 8 (38.19% of total bookings). The next most popular plane models are Airbus A321neo (17.99%), Boeing 737 (9.86%), and Airbus A320-100/200 (6.70%).

Best airlines flying from Santa Ana, California to Illinois

Compare and see reviews for airlines that fly from Santa Ana, California to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $152	Free Cancellation	Rating 5.6 2,770 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $253	Free Cancellation	Rating 7.9 12,689 reviews	Search Alaska Airlines flights
JetBlue	PriceFrom $258	Free Cancellation	Rating 7.1 3,019 reviews	Search JetBlue flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.1 11,835 reviews	Search American Airlines flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 10,019 reviews	Search United Airlines flights
Southwest	PriceFrom $288	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santa Ana to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Illinois from Santa Ana with this policy.

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

Once all potential Santa Ana to Illinois 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 Illinois right now. Can momondo alert me if prices change?

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