Cheap flights from Santa Ana to Illinois from $75

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 Illinois departing on 10/20. 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.
Frontier Logo
2:35 pm - 10:14 pmSNA-STL
5h 39m1 stop
Frontier Logo
12:38 pm - 7:08 pmSTL-SNA
8h 30m1 stop
$164Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
Frontier Logo
2:20 pm - 9:07 amSNA-STL
16h 47m1 stop
Frontier Logo
8:40 pm - 11:16 amSTL-SNA
16h 36m1 stop
$176Frontier
Find Deal
Wed, Oct 29 - Thu, Oct 30
American Airlines Logo
11:38 am - 5:54 pmSNA-ORD
4h 16mnonstop
American Airlines Logo
8:05 am - 10:42 amORD-SNA
4h 37mnonstop
$269American Airlines
Find Deal
Thu, Oct 30 - Tue, Nov 4
Spirit Airlines Logo
6:45 am - 8:03 pmSNA-ORD
11h 18m2 stops
Spirit Airlines Logo
6:35 am - 7:14 pmORD-SNA
14h 39m1 stop
$270Spirit Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Spirit Airlines Logo
6:45 am - 9:33 pmSNA-ORD
12h 48m2 stops
Spirit Airlines Logo
9:22 pm - 12:36 pmORD-SNA
17h 14m2 stops
$271Spirit Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
Alaska Airlines Logo
9:25 pm - 6:01 amSNA-ORD
30h 36m1 stop
Alaska Airlines Logo
8:05 am - 10:42 amORD-SNA
4h 37mnonstop
$277Alaska Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 3
Alaska Airlines Logo
7:55 am - 8:50 pmSNA-ORD
10h 55m1 stop
Alaska Airlines Logo
8:00 am - 4:57 pmORD-SNA
10h 57m1 stop
$278Alaska Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
United Airlines Logo
2:12 pm - 8:12 pmSNA-ORD
4h 00mnonstop
United Airlines Logo
6:15 am - 12:28 pmORD-SNA
8h 13m1 stop
$279United Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
6:45 am - 3:45 pmSNA-PIA
7h 00m1 stop
American Airlines Logo
3:55 pm - 10:56 pmPIA-SNA
9h 01m1 stop
$289American Airlines
Find Deal
Tue, Dec 16 - Mon, Jan 12
United Airlines Logo
10:39 am - 4:50 pmSNA-ORD
4h 11mnonstop
United Airlines Logo
4:10 pm - 6:47 pmORD-SNA
4h 37mnonstop
$294United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 15

American Airlines flights from Santa Ana to Illinois

Our best American Airlines deals on Santa Ana to Illinois flight tickets
American Airlines
Oct 30
SNA11:38 amSanta Ana J. Wayne/Orange Cnty
4h 16m
ORD5:54 pmChicago O'Hare Intl
Nov 4
ORD8:05 amChicago O'Hare Intl
4h 37m
SNA10:42 amSanta Ana J. Wayne/Orange Cnty
American Airlines
Nov 7
SNA3:08 pmSanta Ana J. Wayne/Orange Cnty
6h 13m
1 stop
MLI11:21 pmMoline Quad-City
Nov 11
MLI5:46 amMoline Quad-City
7h 51m
1 stop
SNA11:37 amSanta Ana J. Wayne/Orange Cnty
American Airlines
Oct 22
SNA11:38 amSanta Ana J. Wayne/Orange Cnty
4h 16m
ORD5:54 pmChicago O'Hare Intl
Oct 26
ORD7:00 amChicago O'Hare Intl
4h 28m
SNA9:28 amSanta Ana J. Wayne/Orange Cnty

Spirit Airlines flights from Santa Ana to Illinois

Our best Spirit Airlines deals on Santa Ana to Illinois flight tickets
Spirit Airlines
Oct 24
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
11h 18m
2 stops
ORD8:03 pmChicago O'Hare Intl
Oct 27
ORD6:35 amChicago O'Hare Intl
14h 39m
1 stop
SNA7:14 pmSanta Ana J. Wayne/Orange Cnty
Spirit Airlines
Oct 30
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
12h 48m
2 stops
ORD9:33 pmChicago O'Hare Intl
Nov 5
ORD9:22 pmChicago O'Hare Intl
17h 14m
2 stops
SNA12:36 pmSanta Ana J. Wayne/Orange Cnty
Spirit Airlines
Oct 27
SNA8:09 pmSanta Ana J. Wayne/Orange Cnty
16h 36m
3 stops
ORD2:45 pmChicago O'Hare Intl
Oct 29
ORD5:05 amChicago O'Hare Intl
18h 58m
3 stops
SNA10:03 pmSanta Ana J. Wayne/Orange Cnty

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 October 8, 2025.
Use the filters below to find and compare flights from Santa Ana 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

Fri 10/24

2:35 pm-10:14 pm

1 stop5h 39m

Lambert-St Louis

Mon 10/27

12:38 pm-7:08 pm

1 stop8h 30m

$164

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

2:20 pm-9:07 am

1 stop16h 47m

Lambert-St Louis

Thu 10/30

8:40 pm-11:16 am

1 stop16h 36m

$176

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 10/30

11:38 am-5:54 pm

Nonstop4h 16m

Chicago O'Hare Intl

Tue 11/4

8:05 am-10:42 am

Nonstop4h 37m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/24

6:45 am-8:03 pm

2 stops11h 18m

Chicago O'Hare Intl

Mon 10/27

6:35 am-7:14 pm

1 stop14h 39m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 10/30

6:45 am-9:33 pm

2 stops12h 48m

Chicago O'Hare Intl

Wed 11/5

9:22 pm-12:36 pm

2 stops17h 14m

$271

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 11/1

9:25 pm-6:01 am

1 stop30h 36m

Chicago O'Hare Intl

Mon 11/3

8:05 am-10:42 am

Nonstop4h 37m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 10/22

7:55 am-8:50 pm

1 stop10h 55m

Chicago O'Hare Intl

Sat 10/25

8:00 am-4:57 pm

1 stop10h 57m

$278

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 11/6

2:12 pm-8:12 pm

Nonstop4h 00m

Chicago O'Hare Intl

Sun 11/9

6:15 am-12:28 pm

1 stop8h 13m

$279

Santa AnaPeoria

SNA - PIA

SNAPIA

Santa Ana J. Wayne/Orange Cnty

Tue 12/16

6:45 am-3:45 pm

1 stop7h 00m

Greater Peoria

Mon 1/12

3:55 pm-10:56 pm

1 stop9h 01m

$289

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 10/25

10:39 am-4:50 pm

Nonstop4h 11m

Chicago O'Hare Intl

Sat 11/15

4:10 pm-6:47 pm

Nonstop4h 37m

$294

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 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 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 to Illinois is on a Wednesday when prices can be found for as low as $414. Flights from Santa Ana 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 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 $462.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $405 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 for as low as $322 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.

Cheap Santa Ana to Illinois flight deals and tips

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

Best Price Found

$219

Fastest flight time

3h 58m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Santa Ana in the past 72 hours is $219. The best round-trip flight deal from Santa Ana to Illinois found on momondo in the last 72 hours is $362.
The fastest flight from Santa Ana to Illinois takes 3h 58m
Direct flights go from Santa Ana to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
  • 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 to Illinois?

Best airlines flying from Santa Ana to Illinois

Compare and see reviews for airlines that fly from Santa Ana to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,144 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,082 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
11,043 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,236 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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1 adult
Fri 11/7
Fri 11/14

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