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Cheap flights from Santa Ana, California to Illinois from $73

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 Illinois departing on 12/16. 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 Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:37 am - 10:02 amSNA-STL
20h 25m1 stop
Frontier Logo
7:43 pm - 3:00 pmSTL-SNA
21h 17m1 stop
$129Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
4:16 pm - 10:02 amSNA-STL
15h 46m2 stops
Frontier Logo
7:43 pm - 3:00 pmSTL-SNA
21h 17m1 stop
$162Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
11:42 am - 5:52 pmSNA-ORD
4h 10mnonstop
American Airlines Logo
10:27 am - 1:04 pmORD-SNA
4h 37mnonstop
$269American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
10:22 am - 4:38 pmSNA-ORD
4h 16mnonstop
American Airlines Logo
7:00 am - 9:32 amORD-SNA
4h 32mnonstop
$270American Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Spirit Airlines Logo
7:45 am - 2:19 pmSNA-ORD
28h 34m3 stops
Spirit Airlines Logo
5:32 pm - 8:57 pmORD-SNA
29h 25m3 stops
$277Spirit Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 10
United Airlines Logo
7:00 am - 5:04 pmSNA-ORD
8h 04m1 stop
United Airlines Logo
4:05 pm - 6:41 pmORD-SNA
4h 36mnonstop
$279United Airlines
Find Deal
Thu, Jan 15 - Tue, Jan 20
Spirit Airlines Logo
4:37 pm - 2:19 pmSNA-ORD
19h 42m2 stops
Spirit Airlines Logo
5:32 pm - 8:57 pmORD-SNA
29h 25m3 stops
$280Spirit Airlines
Find Deal
Thu, Jan 15 - Tue, Jan 20
Southwest Logo
2:25 pm - 10:25 pmSNA-MDW
6h 00m1 stop
Southwest Logo
8:10 am - 4:05 pmMDW-SNA
9h 55m2 stops
$294Southwest
Find Deal
Fri, Jan 16 - Tue, Jan 20
Southwest Logo
6:45 am - 6:45 pmSNA-MDW
10h 00m2 stops
Southwest Logo
1:55 pm - 7:50 pmMDW-SNA
7h 55m2 stops
$299Southwest
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Thu, Jan 8 - Tue, Jan 13
United Airlines Logo
11:10 am - 8:56 pmSNA-PIA
7h 46m1 stop
United Airlines Logo
1:15 pm - 6:17 pmPIA-SNA
7h 02m1 stop
$359United Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10

American Airlines flights from Santa Ana, California to Illinois

Our best American Airlines deals on Santa Ana, California to Illinois flight tickets
American Airlines
Jan 16
SNA11:42 amSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD5:52 pmChicago O'Hare Intl
Jan 19
ORD10:27 amChicago O'Hare Intl
4h 37m
SNA1:04 pmSanta Ana J. Wayne/Orange Cnty
$269
Find similar
American Airlines
Dec 25
SNA10:22 amSanta Ana J. Wayne/Orange Cnty
4h 16m
ORD4:38 pmChicago O'Hare Intl
Jan 1
ORD7:00 amChicago O'Hare Intl
4h 32m
SNA9:32 amSanta Ana J. Wayne/Orange Cnty
$270
Find similar
American Airlines
Dec 31
SNA4:25 pmSanta Ana J. Wayne/Orange Cnty
11h 09m
1 stop
ORD5:34 amChicago O'Hare Intl
Jan 3
ORD7:42 amChicago O'Hare Intl
4h 37m
SNA10:19 amSanta Ana J. Wayne/Orange Cnty
$287
Find similar

Spirit Airlines flights from Santa Ana, California to Illinois

Our best Spirit Airlines deals on Santa Ana, California to Illinois flight tickets
Spirit Airlines
Jan 8
SNA7:45 amSanta Ana J. Wayne/Orange Cnty
28h 34m
3 stops
ORD2:19 pmChicago O'Hare Intl
Jan 10
ORD5:32 pmChicago O'Hare Intl
29h 25m
3 stops
SNA8:57 pmSanta Ana J. Wayne/Orange Cnty
$277
Find similar
Spirit Airlines
Jan 15
SNA4:37 pmSanta Ana J. Wayne/Orange Cnty
19h 42m
2 stops
ORD2:19 pmChicago O'Hare Intl
Jan 20
ORD5:32 pmChicago O'Hare Intl
29h 25m
3 stops
SNA8:57 pmSanta Ana J. Wayne/Orange Cnty
$280
Find similar
Spirit Airlines
Dec 15
SNA8:19 pmSanta Ana J. Wayne/Orange Cnty
25h 50m
3 stops
ORD12:09 amChicago O'Hare Intl
Dec 17
ORD1:34 pmChicago O'Hare Intl
22h 42m
2 stops
SNA10:16 amSanta Ana J. Wayne/Orange Cnty
$284
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana, California to Illinois 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 November 23, 2025.
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

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

11:37 am-10:02 am

1 stop20h 25m

Lambert-St Louis

Mon 1/12

7:43 pm-3:00 pm

1 stop21h 17m

$129

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

4:16 pm-10:02 am

2 stops15h 46m

Lambert-St Louis

Mon 1/12

7:43 pm-3:00 pm

1 stop21h 17m

$162

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 1/16

11:42 am-5:52 pm

Nonstop4h 10m

Chicago O'Hare Intl

Mon 1/19

10:27 am-1:04 pm

Nonstop4h 37m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 12/25

10:22 am-4:38 pm

Nonstop4h 16m

Chicago O'Hare Intl

Thu 1/1

7:00 am-9:32 am

Nonstop4h 32m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

7:45 am-2:19 pm

3 stops28h 34m

Chicago O'Hare Intl

Sat 1/10

5:32 pm-8:57 pm

3 stops29h 25m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/15

7:00 am-5:04 pm

1 stop8h 04m

Chicago O'Hare Intl

Tue 1/20

4:05 pm-6:41 pm

Nonstop4h 36m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 1/15

4:37 pm-2:19 pm

2 stops19h 42m

Chicago O'Hare Intl

Tue 1/20

5:32 pm-8:57 pm

3 stops29h 25m

$280

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Fri 1/16

2:25 pm-10:25 pm

1 stop6h 00m

Chicago Midway

Tue 1/20

8:10 am-4:05 pm

2 stops9h 55m

$294

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

6:45 am-6:45 pm

2 stops10h 00m

Chicago Midway

Tue 1/13

1:55 pm-7:50 pm

2 stops7h 55m

$299

Santa AnaPeoria

SNA - PIA

SNAPIA

Santa Ana J. Wayne/Orange Cnty

Sat 12/6

11:10 am-8:56 pm

1 stop7h 46m

Greater Peoria

Wed 12/10

1:15 pm-6:17 pm

1 stop7h 02m

$359

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 Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Santa Ana, California is in August. Flight prices, which tend to average around $335, 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $349.

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 Wednesday when prices can be found for as low as $413. Flights from Santa Ana, California to Illinois on a Monday will generally be more expensive and average around $552. 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 evening. Flights from Santa Ana, California to Illinois during this time can be as low as $332. Flights in the morning are often more expensive with an average ticket price of $459.

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 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 $402 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 $315 on momondo.

What cabin class options are available on Santa Ana J. Wayne/Orange Cnty to Illinois flights?

There are 4 cabin classes available to choose from on Santa Ana J. Wayne/Orange Cnty to Illinois 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 Illinois flights?

You could potentially save up to 9% on your flight if you consider stops on a Santa Ana, California to Illinois flight.

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

$204

Fastest flight time

3h 55m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Santa Ana, California in the past 72 hours is $204. The best round-trip flight deal from Santa Ana, California to Illinois found on momondo in the last 72 hours is $354.
The fastest flight from Santa Ana, California to Illinois takes 3h 55m
Direct flights go from Santa Ana, California to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • 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?

  • 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?

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
Spirit AirlinesPriceFrom $103Free CancellationRating
6.3
8,160 reviews
Search Spirit Airlines flights
FrontierPriceFrom $110Free CancellationRating
5.8
3,100 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
11,337 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,034 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,252 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.

An easier way to manage your Illinois trip

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